#!/bin/bash

####################################################################################################
#### author: SlickStack ############################################################################
#### link: https://slickstack.io ###################################################################
#### mirror: https://mirrors.slickstack.io/bash/ss-functions.txt ###################################
#### path: /var/www/ss-functions ###################################################################
#### destination: n/a (not a boilerplate) ##########################################################
#### purpose: Required functions and variables used by ss core cron jobs and bash scripts ##########
#### module version: Ubuntu 20.04 LTS ##############################################################
#### sourced by: ss core cron jobs, ss core bash scripts ###########################################
#### bash aliases: n/a #############################################################################
####################################################################################################

## SS-FUNCTIONS MUST BE INCLUDED IN ALL SS SCRIPTS IN ORDER FOR THEM TO WORK PROPERLY ##
## IT NOT ONLY DEFINES BASH FUNCTIONS AND VARIABLES BUT ALSO MIRROR/FILE PATHS ##

## SS-CONFIG SHOULD NOT BE INCLUDED IN THIS SCRIPT

####################################################################################################
#### SS-Functions: Short-Term Variables ############################################################
####################################################################################################

SS_UPDATE_BUILD="JUN2021B"
VALIDATE_SS_CONFIG=$(grep 'EOF' "$PATH_SS_CONFIG") ## change to "$SS_EOF" later

####################################################################################################
#### SS-Functions: Critical Bash Variables #########################################################
####################################################################################################

## SNIPPET: ss-functions, ss-install

## these are kind of like enviroment variables that are used within various ss scripts ##
## we keep these variables together for easy reference and better organization ##

## ss variables ##
SYSTEM_VENDOR=$(sudo dmidecode -t system | sed -n 7p | sed 's#Manufacturer: ##' | sed 's/^[[:space:]]*//g')
SYSTEM_VIRTUAL=$(systemd-detect-virt)
SYSTEM_LINUX_KERNEL=$(uname -a)
SYSTEM_OS_PRETTY_NAME=$(lsb_release -ds)
SYSTEM_CPU_CORES=$(grep -c ^processor /proc/cpuinfo 2>/dev/null || sysctl -n hw.ncpu || echo "$NUMBER_OF_PROCESSORS")
SYSTEM_DISK_TOTAL=$(df | grep '^/dev/' | awk '{s+=$2} END {print s/1048576}')
SYSTEM_DISK_FREE=$(df -kh --output=avail "$PWD" | tail -n1)
SYSTEM_NETWORK_INTERFACE=$(ip route get 1.1.1.1 | head -n1 | awk '{print $5}')
SYSTEM_IPV4_ADDRESS=$(ip addr show "$SYSTEM_NETWORK_INTERFACE" | grep "inet " | awk '{ print $2;exit }' | cut -d/ -f1)
SYSTEM_IPV6_ADDRESS=$(ip addr show "$SYSTEM_NETWORK_INTERFACE" | grep "inet6 " | awk '{ print $2;exit }' | cut -d/ -f1)
SYSTEM_HOSTNAME=$(/bin/hostname -f) ## remove -f in future

SS_EOF="SS_EOF"
SLEEP_MESSAGE_BEGIN="1s"

## https://linuxize.com/post/how-to-check-if-string-contains-substring-in-bash/
## https://stackoverflow.com/questions/2440947/how-to-build-a-conditional-assignment-in-bash
## myvar="default" && [[ <some_condition_is_true> ]]  && myvar="non-default"

SITE_DOMAIN_EXCLUDING_WWW=$(echo "${SITE_DOMAIN/www./}")

PREFIX_WWW="www."
SITE_DOMAIN_ALREADY_CONTAINS_WWW=$(grep -q "${PREFIX_WWW}" <<< "${SITE_DOMAIN}")

## SITE_DOMAIN_INCLUDING_WWW="www.${SITE_DOMAIN}" && [[ "$SITE_DOMAIN_ALREADY_CONTAINS_WWW" == "true" ]]  && SITE_DOMAIN_INCLUDING_WWW="${SITE_DOMAIN}"

if [[ "$SITE_DOMAIN_CONTAINS_WWW" == "true" ]]; then
    SITE_DOMAIN_INCLUDING_WWW="${SITE_DOMAIN}"
else 
    SITE_DOMAIN_INCLUDING_WWW="www.${SITE_DOMAIN}"
fi


## mirror links (ss core cron jobs) ##
MIRROR_00_CRONTAB="https://raw.githubusercontent.com/littlebizzy/slickstack/master/crons/00-crontab.txt"
MIRROR_01_CRON_OFTEN="https://raw.githubusercontent.com/littlebizzy/slickstack/master/crons/01-cron-often.txt"
MIRROR_02_CRON_REGULAR="https://raw.githubusercontent.com/littlebizzy/slickstack/master/crons/02-cron-regular.txt"
MIRROR_03_CRON_QUARTER_HOURLY="https://raw.githubusercontent.com/littlebizzy/slickstack/master/crons/03-cron-quarter-hourly.txt"
MIRROR_04_CRON_HALF_HOURLY="https://raw.githubusercontent.com/littlebizzy/slickstack/master/crons/04-cron-half-hourly.txt"
MIRROR_05_CRON_HOURLY="https://raw.githubusercontent.com/littlebizzy/slickstack/master/crons/05-cron-hourly.txt"
MIRROR_06_CRON_QUARTER_DAILY="https://raw.githubusercontent.com/littlebizzy/slickstack/master/crons/06-cron-quarter-daily.txt"
MIRROR_07_CRON_HALF_DAILY="https://raw.githubusercontent.com/littlebizzy/slickstack/master/crons/07-cron-half-daily.txt"
MIRROR_08_CRON_DAILY="https://raw.githubusercontent.com/littlebizzy/slickstack/master/crons/08-cron-daily.txt"
MIRROR_09_CRON_HALF_WEEKLY="https://raw.githubusercontent.com/littlebizzy/slickstack/master/crons/09-cron-half-weekly.txt"
MIRROR_10_CRON_WEEKLY="https://raw.githubusercontent.com/littlebizzy/slickstack/master/crons/10-cron-weekly.txt"
MIRROR_11_CRON_HALF_MONTHLY="https://raw.githubusercontent.com/littlebizzy/slickstack/master/crons/11-cron-half-monthly.txt"
MIRROR_12_CRON_MONTHLY="https://raw.githubusercontent.com/littlebizzy/slickstack/master/crons/12-cron-monthly.txt"
MIRROR_13_CRON_SOMETIMES="https://raw.githubusercontent.com/littlebizzy/slickstack/master/crons/13-cron-sometimes.txt"

## mirror links (ss custom cron job boilerplates) ##
MIRROR_01_CRON_OFTEN_CUSTOM="https://raw.githubusercontent.com/littlebizzy/slickstack/master/crons/custom/01-cron-often-custom.txt"
MIRROR_02_CRON_REGULAR_CUSTOM="https://raw.githubusercontent.com/littlebizzy/slickstack/master/crons/custom/02-cron-regular-custom.txt"
MIRROR_03_CRON_QUARTER_HOURLY_CUSTOM="https://raw.githubusercontent.com/littlebizzy/slickstack/master/crons/custom/03-cron-quarter-hourly-custom.txt"
MIRROR_04_CRON_HALF_HOURLY_CUSTOM="https://raw.githubusercontent.com/littlebizzy/slickstack/master/crons/custom/04-cron-half-hourly-custom.txt"
MIRROR_05_CRON_HOURLY_CUSTOM="https://raw.githubusercontent.com/littlebizzy/slickstack/master/crons/custom/05-cron-hourly-custom.txt"
MIRROR_06_CRON_QUARTER_DAILY_CUSTOM="https://raw.githubusercontent.com/littlebizzy/slickstack/master/crons/custom/06-cron-quarter-daily-custom.txt"
MIRROR_07_CRON_HALF_DAILY_CUSTOM="https://raw.githubusercontent.com/littlebizzy/slickstack/master/crons/custom/07-cron-half-daily-custom.txt"
MIRROR_08_CRON_DAILY_CUSTOM="https://raw.githubusercontent.com/littlebizzy/slickstack/master/crons/custom/08-cron-daily-custom.txt"
MIRROR_09_CRON_HALF_WEEKLY_CUSTOM="https://raw.githubusercontent.com/littlebizzy/slickstack/master/crons/custom/09-cron-half-weekly-custom.txt"
MIRROR_10_CRON_WEEKLY_CUSTOM="https://raw.githubusercontent.com/littlebizzy/slickstack/master/crons/custom/10-cron-weekly-custom.txt"
MIRROR_11_CRON_HALF_MONTHLY_CUSTOM="https://raw.githubusercontent.com/littlebizzy/slickstack/master/crons/custom/11-cron-half-monthly-custom.txt"
MIRROR_12_CRON_MONTHLY_CUSTOM="https://raw.githubusercontent.com/littlebizzy/slickstack/master/crons/custom/12-cron-monthly-custom.txt"
MIRROR_13_CRON_SOMETIMES_CUSTOM="https://raw.githubusercontent.com/littlebizzy/slickstack/master/crons/custom/13-cron-sometimes-custom.txt"

## mirror links (ss core bash scripts) ##
MIRROR_SS_CHECK="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-check.txt"
MIRROR_SS_CLEAN_DATABASE="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-clean-database.txt"
MIRROR_SS_CLEAN_FILES="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-clean-files.txt"
MIRROR_SS_CONFIG_SAMPLE="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-config-sample.txt"
MIRROR_SS_DELETE_DATABASE="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-delete-database.txt"
MIRROR_SS_DELETE_FILES="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-delete-files.txt"
MIRROR_SS_DOS2UNIX="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-optimize-files.txt" ## old 
MIRROR_SS_DOS2UNIX_FILES="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-optimize-files.txt" ## old
MIRROR_SS_DUMP_DATABASE="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-dump-database.txt"
MIRROR_SS_DUMP_FILES="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-dump-files.txt"
MIRROR_SS_EMPTY_LOGS="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-empty-logs.txt"
MIRROR_SS_ENCRYPT="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-encrypt.txt"
MIRROR_SS_ENCRYPT_CERTBOT="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-encrypt-certbot.txt"
MIRROR_SS_ENCRYPT_OPENSSL="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-encrypt-openssl.txt"
MIRROR_SS_FUNCTIONS="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-functions.txt"
MIRROR_SS_IMPORT="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-import.txt"
MIRROR_SS_IMPORT_DATABASE="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-import-database.txt"
MIRROR_SS_IMPORT_FILES="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-import-files.txt"
MIRROR_SS_INSTALL="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install.txt"
MIRROR_SS_INSTALL_ADMINER="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-adminer.txt"
MIRROR_SS_INSTALL_CLAMAV="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-clamav.txt"
MIRROR_SS_INSTALL_CRAFT_CONFIG="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-craft-config.txt"
MIRROR_SS_INSTALL_CRAFT_CORE="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-craft-core.txt"
MIRROR_SS_INSTALL_MAGENTO_CONFIG="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-magento-config.txt"
MIRROR_SS_INSTALL_MAGENTO_CORE="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-magento-core.txt"
MIRROR_SS_INSTALL_MEDIAWIKI_CONFIG="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-mediawiki-config.txt"
MIRROR_SS_INSTALL_MEDIAWIKI_CORE="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-mediawiki-core.txt"
MIRROR_SS_INSTALL_MOODLE_CONFIG="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-moodle-config.txt"
MIRROR_SS_INSTALL_MOODLE_CORE="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-moodle-core.txt"
MIRROR_SS_INSTALL_MYSQL="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-mysql.txt"
MIRROR_SS_INSTALL_MYSQL_CONFIG="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-mysql-config.txt"
MIRROR_SS_INSTALL_MYSQL_CORE="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-mysql-packages.txt"
MIRROR_SS_INSTALL_MYSQL_PACKAGES="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-mysql-packages.txt"
MIRROR_SS_INSTALL_NGINX="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-nginx.txt"
MIRROR_SS_INSTALL_NGINX_CONFIG="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-nginx-config.txt"
MIRROR_SS_INSTALL_NGINX_CORE="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-nginx-packages.txt"
MIRROR_SS_INSTALL_NGINX_LETSENCRYPT="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-nginx-letsencrypt.txt"
MIRROR_SS_INSTALL_NGINX_OPENSSL="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-nginx-openssl.txt"
MIRROR_SS_INSTALL_NGINX_PACKAGES="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-nginx-packages.txt"
MIRROR_SS_INSTALL_NGINX_SSL="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-nginx-ssl.txt"
MIRROR_SS_INSTALL_OPENCART_CONFIG="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-opencart-config.txt"
MIRROR_SS_INSTALL_OPENCART_CORE="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-opencart-core.txt"
MIRROR_SS_INSTALL_PHP="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-php.txt"
MIRROR_SS_INSTALL_PHP_CONFIG="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-php-config.txt"
MIRROR_SS_INSTALL_PHP_CORE="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-php-packages.txt"
MIRROR_SS_INSTALL_PHP_PACKAGES="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-php-packages.txt"
MIRROR_SS_INSTALL_POSTFIX="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-postfix.txt"
MIRROR_SS_INSTALL_PRESTASHOP_CONFIG="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-prestashop-config.txt"
MIRROR_SS_INSTALL_PRESTASHOP_CORE="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-prestashop-core.txt"
MIRROR_SS_INSTALL_REDIS="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-redis.txt"
MIRROR_SS_INSTALL_REDIS_CONFIG="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-redis-config.txt"
MIRROR_SS_INSTALL_REDIS_PACKAGES="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-redis-packages.txt"
MIRROR_SS_INSTALL_UBUNTU_BASH="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-ubuntu-bash.txt"
MIRROR_SS_INSTALL_UBUNTU_CRONTAB="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-ubuntu-crontab.txt"
MIRROR_SS_INSTALL_UBUNTU_KERNEL="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-ubuntu-kernel.txt"
MIRROR_SS_INSTALL_UBUNTU_SSH="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-ubuntu-ssh.txt"
MIRROR_SS_INSTALL_UBUNTU_SWAP="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-ubuntu-swapfile.txt"
MIRROR_SS_INSTALL_UBUNTU_SWAPFILE="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-ubuntu-swapfile.txt"
MIRROR_SS_INSTALL_UBUNTU_USERS="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-ubuntu-users.txt"
MIRROR_SS_INSTALL_UBUNTU_UTILS="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-ubuntu-utils.txt"
MIRROR_SS_INSTALL_UFW="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-ufw.txt"
MIRROR_SS_INSTALL_UFW_CONFIG="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-ufw-config.txt"
MIRROR_SS_INSTALL_UFW_CORE="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-ufw-packages.txt"
MIRROR_SS_INSTALL_UFW_PACKAGES="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-ufw-packages.txt"
MIRROR_SS_INSTALL_WORDPRESS_CLI="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-wordpress-cli.txt"
MIRROR_SS_INSTALL_WORDPRESS_CONFIG="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-wordpress-config.txt"
MIRROR_SS_INSTALL_WORDPRESS_CORE="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-wordpress-core.txt"
MIRROR_SS_INSTALL_WORDPRESS_MU_PLUGINS="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-install-wordpress-mu-plugins.txt"
MIRROR_SS_MAINTENANCE_DISABLE="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-maintenance-disable.txt"
MIRROR_SS_MAINTENANCE_ENABLE="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-maintenance-enable.txt"
MIRROR_SS_MONITOR="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-monitor-resources.txt" ## old
MIRROR_SS_MONITOR_RESOURCES="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-monitor-resources.txt"
MIRROR_SS_OPTIMIZE_DATABASE="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-optimize-database.txt"
MIRROR_SS_OPTIMIZE_FILES="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-optimize-files.txt"
MIRROR_SS_OVERVIEW="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-stack-overview.txt"
MIRROR_SS_PERMS="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms.txt"
MIRROR_SS_PERMS_ADMINER="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-adminer.txt"
MIRROR_SS_PERMS_CLAMAV="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-clamav.txt"
MIRROR_SS_PERMS_CRAFT_CONFIG="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-craft-config.txt"
MIRROR_SS_PERMS_CRAFT_CORE="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-craft-core.txt"
MIRROR_SS_PERMS_MAGENTO_CONFIG="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-magento-config.txt"
MIRROR_SS_PERMS_MAGENTO_CORE="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-magento-core.txt"
MIRROR_SS_PERMS_MEDIAWIKI_CONFIG="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-mediawiki-config.txt"
MIRROR_SS_PERMS_MEDIAWIKI_CORE="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-mediawiki-core.txt"
MIRROR_SS_PERMS_MOODLE_CONFIG="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-moodle-config.txt"
MIRROR_SS_PERMS_MOODLE_CORE="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-moodle-core.txt"
MIRROR_SS_PERMS_MYSQL="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-mysql.txt"
MIRROR_SS_PERMS_MYSQL_CONFIG="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-mysql-config.txt"
MIRROR_SS_PERMS_MYSQL_PACKAGES="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-mysql-packages.txt"
MIRROR_SS_PERMS_NGINX="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-nginx.txt"
MIRROR_SS_PERMS_NGINX_CONFIG="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-nginx-config.txt"
MIRROR_SS_PERMS_NGINX_CORE="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-nginx-packages.txt"
MIRROR_SS_PERMS_NGINX_PACKAGES="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-nginx-packages.txt"
MIRROR_SS_PERMS_NGINX_SSL="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-nginx-ssl.txt"
MIRROR_SS_PERMS_OPENCART_CONFIG="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-opencart-config.txt"
MIRROR_SS_PERMS_OPENCART_CORE="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-opencart-core.txt"
MIRROR_SS_PERMS_PHP="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-php.txt"
MIRROR_SS_PERMS_PHP_CONFIG="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-php-config.txt"
MIRROR_SS_PERMS_PHP_CORE="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-php-packages.txt"
MIRROR_SS_PERMS_PHP_PACKAGES="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-php-packages.txt"
MIRROR_SS_PERMS_POSTFIX="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-postfix.txt"
MIRROR_SS_PERMS_PRESTASHOP_CONFIG="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-prestashop-config.txt"
MIRROR_SS_PERMS_PRESTASHOP_CORE="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-prestashop-core.txt"
MIRROR_SS_PERMS_REDIS="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-redis.txt"
MIRROR_SS_PERMS_REDIS_CONFIG="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-redis-config.txt"
MIRROR_SS_PERMS_REDIS_PACKAGES="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-redis-packages.txt"
MIRROR_SS_PERMS_UBUNTU_BASH="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-ubuntu-bash.txt"
MIRROR_SS_PERMS_UBUNTU_CRONTAB="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-ubuntu-crontab.txt"
MIRROR_SS_PERMS_UBUNTU_KERNEL="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-ubuntu-kernel.txt"
MIRROR_SS_PERMS_UBUNTU_SSH="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-ubuntu-ssh.txt"
MIRROR_SS_PERMS_UBUNTU_SWAP="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-ubuntu-swapfile.txt"
MIRROR_SS_PERMS_UBUNTU_SWAPFILE="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-ubuntu-swapfile.txt"
MIRROR_SS_PERMS_UBUNTU_USERS="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-ubuntu-users.txt"
MIRROR_SS_PERMS_UBUNTU_UTILS="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-ubuntu-utils.txt"
MIRROR_SS_PERMS_UFW="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-ufw.txt"
MIRROR_SS_PERMS_UFW_CONFIG="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-ufw-config.txt"
MIRROR_SS_PERMS_UFW_CORE="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-ufw-packages.txt"
MIRROR_SS_PERMS_UFW_PACKAGES="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-ufw-packages.txt"
MIRROR_SS_PERMS_WORDPRESS_CLI="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-wordpress-cli.txt"
MIRROR_SS_PERMS_WORDPRESS_CONFIG="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-wordpress-config.txt"
MIRROR_SS_PERMS_WORDPRESS_CORE="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-wordpress-core.txt"
MIRROR_SS_PERMS_WORDPRESS_MU_PLUGINS="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-perms-wordpress-mu-plugins.txt"
MIRROR_SS_PURGE="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-purge.txt"
MIRROR_SS_PURGE_NGINX="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-purge-nginx.txt"
MIRROR_SS_PURGE_OPCACHE="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-purge-opcache.txt"
MIRROR_SS_PURGE_REDIS="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-purge-redis.txt"
MIRROR_SS_PURGE_TRANSIENTS="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-purge-transients.txt"
MIRROR_SS_REBOOT="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-reboot-machine.txt"
MIRROR_SS_REBOOT_MACHINE="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-reboot-machine.txt"
MIRROR_SS_REMOTE="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-remote-backup.txt"
MIRROR_SS_REMOTE_BACKUP="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-remote-backup.txt"
MIRROR_SS_RESET_LOGS="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-empty-logs.txt"
MIRROR_SS_RESET_PASSWORD_SFTP="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-reset-password-sftp.txt"
MIRROR_SS_RESTART_SERVICES="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-restart-services.txt"
MIRROR_SS_RESTART_SERVICES_MYSQL="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-restart-mysql.txt"
MIRROR_SS_RESTART_MYSQL="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-restart-mysql.txt"
MIRROR_SS_RESTART_SERVICES_NGINX="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-restart-nginx.txt"
MIRROR_SS_RESTART_NGINX="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-restart-nginx.txt"
MIRROR_SS_RESTART_SERVICES_PHP="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-restart-php.txt"
MIRROR_SS_RESTART_PHP="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-restart-php.txt"
MIRROR_SS_RESTART_SERVICES_REDIS="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-restart-redis.txt"
MIRROR_SS_RESTART_REDIS="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-restart-redis.txt"
MIRROR_SS_RESTART_UFW="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-restart-ufw.txt"
MIRROR_SS_SCAN_MALWARE="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-scan-malware.txt"
MIRROR_SS_STACK_OVERVIEW="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-stack-overview.txt"
MIRROR_SS_SYNC_STAGING="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-sync-staging.txt"
MIRROR_SS_UPDATE="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-update.txt"
MIRROR_SS_UPDATE_CONFIG="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-update-config.txt"
MIRROR_SS_UPDATE_PACKAGES="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-update-packages.txt"
MIRROR_SS_WORKER="https://raw.githubusercontent.com/littlebizzy/slickstack/master/bash/ss-worker.txt"

## mirror links (ss core module config files) ##
MIRROR_ADMINER_PHP="https://raw.githubusercontent.com/littlebizzy/slickstack/master/modules/adminer/adminer.txt"
MIRROR_MY_CNF="https://raw.githubusercontent.com/littlebizzy/slickstack/master/modules/mysql/my-cnf.txt"
MIRROR_PHP_FPM_CONF="https://raw.githubusercontent.com/littlebizzy/slickstack/master/modules/php-fpm/php-fpm-conf.txt"
MIRROR_PHP_INI="https://raw.githubusercontent.com/littlebizzy/slickstack/master/modules/php-fpm/php-ini.txt"
MIRROR_WWW_CONF="https://raw.githubusercontent.com/littlebizzy/slickstack/master/modules/php-fpm/www-conf.txt"
MIRROR_BASH_ALIASES="https://raw.githubusercontent.com/littlebizzy/slickstack/master/modules/ubuntu/bash-aliases.txt"
MIRROR_LINUX_KERNEL="https://raw.githubusercontent.com/littlebizzy/slickstack/master/modules/ubuntu/sysctl.txt"
MIRROR_SSHD_CONFIG="https://raw.githubusercontent.com/littlebizzy/slickstack/master/modules/ubuntu/sshd-config.txt"
MIRROR_SUDOERS="https://raw.githubusercontent.com/littlebizzy/slickstack/master/modules/ubuntu/sudoers.txt"
MIRROR_CUSTOM_SHELL_PROMPT="https://raw.githubusercontent.com/littlebizzy/slickstack/master/modules/ubuntu/custom-shell-prompt.txt"
MIRROR_UFW_UFW="https://raw.githubusercontent.com/littlebizzy/slickstack/master/modules/ufw-firewall/ufw.txt"
MIRROR_UFW_CONF="https://raw.githubusercontent.com/littlebizzy/slickstack/master/modules/ufw-firewall/ufw-conf.txt"
MIRROR_USER_RULES="https://raw.githubusercontent.com/littlebizzy/slickstack/master/modules/ufw-firewall/user-rules.txt"
MIRROR_USER6_RULES="https://raw.githubusercontent.com/littlebizzy/slickstack/master/modules/ufw-firewall/user6-rules.txt"

MIRROR_LETSENCRYPT_CONF="https://raw.githubusercontent.com/littlebizzy/slickstack/master/modules/nginx/letsencrypt-conf.txt"
MIRROR_MAINTENANCE_HTML="https://raw.githubusercontent.com/littlebizzy/slickstack/master/modules/nginx/maintenance.txt"
MIRROR_NGINX_CONF="https://raw.githubusercontent.com/littlebizzy/slickstack/master/modules/nginx/nginx-conf.txt"
MIRROR_OPENSSL_CONF="https://raw.githubusercontent.com/littlebizzy/slickstack/master/modules/nginx/openssl-conf.txt"

MIRROR_NGINX_BLOCK_DEVELOPMENT="https://raw.githubusercontent.com/littlebizzy/slickstack/master/modules/nginx/sites/development.txt"
MIRROR_NGINX_BLOCK_PRODUCTION="https://raw.githubusercontent.com/littlebizzy/slickstack/master/modules/nginx/sites/production.txt"
MIRROR_NGINX_BLOCK_STAGING="https://raw.githubusercontent.com/littlebizzy/slickstack/master/modules/nginx/sites/staging.txt"

MIRROR_SERVER_BLOCK_WP_MULTISITE="https://raw.githubusercontent.com/littlebizzy/slickstack/master/modules/nginx/default-multisite-subdomains.txt"

MIRROR_WP_CONFIG="https://raw.githubusercontent.com/littlebizzy/slickstack/master/modules/wordpress/wp-config.txt"
MIRROR_WP_CONFIG_PHP="https://raw.githubusercontent.com/littlebizzy/slickstack/master/modules/wordpress/wp-config.txt"
MIRROR_WP_CONFIG_STAGING="https://raw.githubusercontent.com/littlebizzy/slickstack/master/modules/wordpress/wp-config-staging.txt"
MIRROR_WP_CONFIG_DEV="https://raw.githubusercontent.com/littlebizzy/slickstack/master/modules/wordpress/wp-config-dev.txt"
MIRROR_BLACKLIST_TXT="https://raw.githubusercontent.com/littlebizzy/slickstack/master/modules/wordpress/blacklist.txt"
MIRROR_WP_CLI_PHAR="https://github.com/littlebizzy/slickstack/raw/master/modules/wordpress/wp-cli/wp-cli.phar"
MIRROR_WP_CLI_YML="https://raw.githubusercontent.com/littlebizzy/slickstack/master/modules/wordpress/wp-cli/wp-cli-yml.txt"
MIRROR_WP_COMPLETION="https://raw.githubusercontent.com/littlebizzy/slickstack/master/modules/wordpress/wp-cli/wp-completion-bash.txt"
MIRROR_WORDPRESS_ZIP="https://github.com/littlebizzy/slickstack/raw/master/modules/wordpress/wordpress.zip"
MIRROR_SS_CONSTANTS_PHP="https://raw.githubusercontent.com/littlebizzy/slickstack/master/modules/php-fpm/ss-constants.txt"

## mirror links (wordpress mu plugins) ##
MIRROR_OBJECT_CACHE_PHP="https://raw.githubusercontent.com/littlebizzy/slickstack/master/modules/wordpress/mu-plugins/object-cache.txt"
MIRROR_FUNCTIONS_PHP="https://raw.githubusercontent.com/littlebizzy/slickstack/master/modules/wordpress/mu-plugins/functions.txt"
MIRROR_AUTOLOADER_PHP="https://raw.githubusercontent.com/littlebizzy/slickstack/master/modules/wordpress/mu-plugins/autoloader.txt"
MIRROR_XXX_COMMON_PHP="https://raw.githubusercontent.com/littlebizzy/slickstack/master/modules/wordpress/mu-plugins/xxx-common.txt"
MIRROR_CLEAR_CACHES_ZIP="https://github.com/littlebizzy/slickstack/raw/master/modules/wordpress/mu-plugins/clear-caches.zip"
MIRROR_CLOUDFLARE_ZIP="https://github.com/littlebizzy/slickstack/raw/master/modules/wordpress/mu-plugins/cloudflare.zip"
MIRROR_DASHBOARD_CLEANUP_ZIP="https://github.com/littlebizzy/slickstack/raw/master/modules/wordpress/mu-plugins/dashboard-cleanup.zip"
MIRROR_DELETE_EXPIRED_TRANSIENTS_ZIP="https://github.com/littlebizzy/slickstack/raw/master/modules/wordpress/mu-plugins/delete-expired-transients.zip"
MIRROR_DISABLE_ATTACHMENT_PAGES_ZIP="https://github.com/littlebizzy/slickstack/raw/master/modules/wordpress/mu-plugins/disable-attachment-pages.zip"
MIRROR_DISABLE_EMBEDS_ZIP="https://github.com/littlebizzy/slickstack/raw/master/modules/wordpress/mu-plugins/disable-embeds.zip"
MIRROR_DISABLE_EMOJIS_ZIP="https://github.com/littlebizzy/slickstack/raw/master/modules/wordpress/mu-plugins/disable-emojis.zip"
MIRROR_DISABLE_EMPTY_TRASH_ZIP="https://github.com/littlebizzy/slickstack/raw/master/modules/wordpress/mu-plugins/disable-empty-trash.zip"
MIRROR_DISABLE_GUTENBERG_ZIP="https://github.com/littlebizzy/slickstack/raw/master/modules/wordpress/mu-plugins/disable-gutenberg.zip"
MIRROR_DISABLE_IMAGE_COMPRESSION_ZIP="https://github.com/littlebizzy/slickstack/raw/master/modules/wordpress/mu-plugins/disable-image-compression.zip"
MIRROR_DISABLE_POST_VIA_EMAIL_ZIP="https://github.com/littlebizzy/slickstack/raw/master/modules/wordpress/mu-plugins/disable-post-via-email.zip"
MIRROR_DISABLE_XML_RPC_ZIP="https://github.com/littlebizzy/slickstack/raw/master/modules/wordpress/mu-plugins/disable-xml-rpc.zip"
MIRROR_FORCE_HTTPS_ZIP="https://github.com/littlebizzy/slickstack/raw/master/modules/wordpress/mu-plugins/force-https.zip"
MIRROR_FORCE_STRONG_HASHING_ZIP="https://github.com/littlebizzy/slickstack/raw/master/modules/wordpress/mu-plugins/force-strong-hashing.zip"
MIRROR_HEADER_CLEANUP_ZIP="https://github.com/littlebizzy/slickstack/raw/master/modules/wordpress/mu-plugins/header-cleanup.zip"
MIRROR_LIMIT_HEARTBEAT_ZIP="https://github.com/littlebizzy/slickstack/raw/master/modules/wordpress/mu-plugins/limit-heartbeat.zip"
MIRROR_MINIFY_HTML_ZIP="https://github.com/littlebizzy/slickstack/raw/master/modules/wordpress/mu-plugins/minify-html.zip"
MIRROR_PLUGIN_BLACKLIST_ZIP="https://github.com/littlebizzy/slickstack/raw/master/modules/wordpress/mu-plugins/plugin-blacklist.zip"
MIRROR_VIRTUAL_ROBOTSTXT_ZIP="https://github.com/littlebizzy/slickstack/raw/master/modules/wordpress/mu-plugins/virtual-robotstxt.zip"

## mirror links (wordpress mu plugins for staging only) ##
MIRROR_DISABLE_EMAILS_ZIP="https://github.com/littlebizzy/slickstack/raw/master/modules/wordpress/mu-plugins/disable-emails.zip"
MIRROR_DISABLE_DEFAULT_RUNNER_ZIP="https://github.com/littlebizzy/slickstack/raw/master/modules/wordpress/mu-plugins/disable-default-runner.zip"

## temp paths (ss core cron jobs) ##
TMP_00_CRONTAB="/tmp/00-crontab"
TMP_01_CRON_OFTEN="/tmp/01-cron-often"
TMP_02_CRON_REGULAR="/tmp/02-cron-regular"
TMP_03_CRON_QUARTER_HOURLY="/tmp/03-cron-quarter-hourly"
TMP_04_CRON_HALF_HOURLY="/tmp/04-cron-half-hourly"
TMP_05_CRON_HOURLY="/tmp/05-cron-hourly"
TMP_06_CRON_QUARTER_DAILY="/tmp/06-cron-quarter-daily"
TMP_07_CRON_HALF_DAILY="/tmp/07-cron-half-daily"
TMP_08_CRON_DAILY="/tmp/08-cron-daily"
TMP_09_CRON_HALF_WEEKLY="/tmp/09-cron-half-weekly"
TMP_10_CRON_WEEKLY="/tmp/10-cron-weekly"
TMP_11_CRON_HALF_MONTHLY="/tmp/11-cron-half-monthly"
TMP_12_CRON_MONTHLY="/tmp/12-cron-monthly"
TMP_13_CRON_SOMETIMES="/tmp/13-cron-sometimes"

## temp paths (ss core bash scripts) ##
TMP_SS_CHECK="/tmp/ss-check"
TMP_SS_CLEAN_DATABASE="/tmp/ss-clean-database"
TMP_SS_CLEAN_FILES="/tmp/ss-clean-files"
TMP_SS_CONFIG="/tmp/ss-config"
TMP_SS_CONFIG_SAMPLE="/tmp/ss-config-sample"
TMP_SS_DELETE_DATABASE="/tmp/ss-delete-database"
TMP_SS_DELETE_FILES="/tmp/ss-delete-files"
TMP_SS_DOS2UNIX="/tmp/ss-optimize-files"
TMP_SS_DOS2UNIX_FILES="/tmp/ss-optimize-files"
TMP_SS_DUMP_DATABASE="/tmp/ss-dump-database"
TMP_SS_DUMP_FILES="/tmp/ss-dump-files"
TMP_SS_EMPTY_LOGS="/tmp/ss-empty-logs"
TMP_SS_ENCRYPT="/tmp/ss-encrypt"
TMP_SS_ENCRYPT_CERTBOT="/tmp/ss-encrypt-certbot"
TMP_SS_ENCRYPT_OPENSSL="/tmp/ss-encrypt-openssl"
TMP_SS_FUNCTIONS="/tmp/ss-functions"
TMP_SS_IMPORT="/tmp/ss-import"
TMP_SS_IMPORT_DATABASE="/tmp/ss-import-database"
TMP_SS_IMPORT_FILES="/tmp/ss-import-files"
TMP_SS_INSTALL="/tmp/ss-install"
TMP_SS_INSTALL_ADMINER="/tmp/ss-install-adminer"
TMP_SS_INSTALL_CLAMAV="/tmp/ss-install-clamav"
TMP_SS_INSTALL_CRAFT_CONFIG="/tmp/ss-install-craft-config"
TMP_SS_INSTALL_CRAFT_CORE="/tmp/ss-install-craft-core"
TMP_SS_INSTALL_MAGENTO_CONFIG="/tmp/ss-install-magento-config"
TMP_SS_INSTALL_MAGENTO_CORE="/tmp/ss-install-magento-core"
TMP_SS_INSTALL_MEDIAWIKI_CONFIG="/tmp/ss-install-mediawiki-config"
TMP_SS_INSTALL_MEDIAWIKI_CORE="/tmp/ss-install-mediawiki-core"
TMP_SS_INSTALL_MOODLE_CONFIG="/tmp/ss-install-moodle-config"
TMP_SS_INSTALL_MOODLE_CORE="/tmp/ss-install-moodle-core"
TMP_SS_INSTALL_MYSQL="/tmp/ss-install-mysql"
TMP_SS_INSTALL_MYSQL_CONFIG="/tmp/ss-install-mysql-config"
TMP_SS_INSTALL_MYSQL_CORE="/tmp/ss-install-mysql-packages"
TMP_SS_INSTALL_MYSQL_PACKAGES="/tmp/ss-install-mysql-packages"
TMP_SS_INSTALL_NGINX="/tmp/ss-install-nginx"
TMP_SS_INSTALL_NGINX_CONFIG="/tmp/ss-install-nginx-config"
TMP_SS_INSTALL_NGINX_CORE="/tmp/ss-install-nginx-packages"
TMP_SS_INSTALL_NGINX_PACKAGES="/tmp/ss-install-nginx-packages"
TMP_SS_INSTALL_NGINX_OPENSSL="/tmp/ss-install-nginx-openssl"
TMP_SS_INSTALL_NGINX_LETSENCRYPT="/tmp/ss-install-nginx-letsencrypt"
TMP_SS_INSTALL_NGINX_SSL="/tmp/ss-install-nginx-ssl"
TMP_SS_INSTALL_OPENCART_CONFIG="/tmp/ss-install-opencart-config"
TMP_SS_INSTALL_OPENCART_CORE="/tmp/ss-install-opencart-core"
TMP_SS_INSTALL_PHP="/tmp/ss-install-php"
TMP_SS_INSTALL_PHP_CONFIG="/tmp/ss-install-php-config"
TMP_SS_INSTALL_PHP_CORE="/tmp/ss-install-php-packages"
TMP_SS_INSTALL_PHP_PACKAGES="/tmp/ss-install-php-packages"
TMP_SS_INSTALL_POSTFIX="/tmp/ss-install-postfix"
TMP_SS_INSTALL_PRESTASHOP_CONFIG="/tmp/ss-install-prestashop-config"
TMP_SS_INSTALL_PRESTASHOP_CORE="/tmp/ss-install-prestashop-core"
TMP_SS_INSTALL_REDIS="/tmp/ss-install-redis"
TMP_SS_INSTALL_REDIS_CONFIG="/tmp/ss-install-redis-config"
TMP_SS_INSTALL_REDIS_PACKAGES="/tmp/ss-install-redis-packages"
TMP_SS_INSTALL_UBUNTU_BASH="/tmp/ss-install-ubuntu-bash"
TMP_SS_INSTALL_UBUNTU_CRONTAB="/tmp/ss-install-ubuntu-crontab"
TMP_SS_INSTALL_UBUNTU_KERNEL="/tmp/ss-install-ubuntu-kernel"
TMP_SS_INSTALL_UBUNTU_SSH="/tmp/ss-install-ubuntu-ssh"
TMP_SS_INSTALL_UBUNTU_SWAP="/tmp/ss-install-ubuntu-swapfile"
TMP_SS_INSTALL_UBUNTU_SWAPFILE="/tmp/ss-install-ubuntu-swapfile"
TMP_SS_INSTALL_UBUNTU_USERS="/tmp/ss-install-ubuntu-users"
TMP_SS_INSTALL_UBUNTU_UTILS="/tmp/ss-install-ubuntu-utils"
TMP_SS_INSTALL_UFW="/tmp/ss-install-ufw"
TMP_SS_INSTALL_UFW_CONFIG="/tmp/ss-install-ufw-config"
TMP_SS_INSTALL_UFW_CORE="/tmp/ss-install-ufw-packages"
TMP_SS_INSTALL_UFW_PACKAGES="/tmp/ss-install-ufw-packages"
TMP_SS_INSTALL_WORDPRESS_CLI="/tmp/ss-install-wordpress-cli"
TMP_SS_INSTALL_WORDPRESS_CONFIG="/tmp/ss-install-wordpress-config"
TMP_SS_INSTALL_WORDPRESS_CORE="/tmp/ss-install-wordpress-core"
TMP_SS_INSTALL_WORDPRESS_MU_PLUGINS="/tmp/ss-install-wordpress-mu-plugins"
TMP_SS_MAINTENANCE_DISABLE="/tmp/ss-maintenance-disable"
TMP_SS_MAINTENANCE_ENABLE="/tmp/ss-maintenance-enable"
TMP_SS_MONITOR="/tmp/ss-monitor"
TMP_SS_MONITOR_RESOURCES="/tmp/ss-monitor-resources"
TMP_SS_OPTIMIZE_DATABASE="/tmp/ss-optimize-database"
TMP_SS_OPTIMIZE_FILES="/tmp/ss-optimize-files"
TMP_SS_OVERVIEW="/tmp/ss-stack-overview"
TMP_SS_PERMS="/tmp/ss-perms"
TMP_SS_PERMS_ADMINER="/tmp/ss-perms-adminer"
TMP_SS_PERMS_CLAMAV="/tmp/ss-perms-clamav"
TMP_SS_PERMS_CRAFT_CONFIG="/tmp/ss-perms-craft-config"
TMP_SS_PERMS_CRAFT_CORE="/tmp/ss-perms-craft-core"
TMP_SS_PERMS_MAGENTO_CONFIG="/tmp/ss-perms-magento-config"
TMP_SS_PERMS_MAGENTO_CORE="/tmp/ss-perms-magento-core"
TMP_SS_PERMS_MEDIAWIKI_CONFIG="/tmp/ss-perms-mediawiki-config"
TMP_SS_PERMS_MEDIAWIKI_CORE="/tmp/ss-perms-mediawiki-core"
TMP_SS_PERMS_MOODLE_CONFIG="/tmp/ss-perms-moodle-config"
TMP_SS_PERMS_MOODLE_CORE="/tmp/ss-perms-moodle-core"
TMP_SS_PERMS_MYSQL="/tmp/ss-perms-mysql"
TMP_SS_PERMS_MYSQL_CONFIG="/tmp/ss-perms-mysql-config"
TMP_SS_PERMS_MYSQL_PACKAGES="/tmp/ss-perms-mysql-packages"
TMP_SS_PERMS_NGINX="/tmp/ss-perms-nginx"
TMP_SS_PERMS_NGINX_CONFIG="/tmp/ss-perms-nginx-config"
TMP_SS_PERMS_NGINX_CORE="/tmp/ss-perms-nginx-packages"
TMP_SS_PERMS_NGINX_PACKAGES="/tmp/ss-perms-nginx-packages"
TMP_SS_PERMS_NGINX_SSL="/tmp/ss-perms-nginx-ssl"
TMP_SS_PERMS_OPENCART_CONFIG="/tmp/ss-perms-opencart-config"
TMP_SS_PERMS_OPENCART_CORE="/tmp/ss-perms-opencart-core"
TMP_SS_PERMS_PHP="/tmp/ss-perms-php"
TMP_SS_PERMS_PHP_CONFIG="/tmp/ss-perms-php-config"
TMP_SS_PERMS_PHP_CORE="/tmp/ss-perms-php-packages"
TMP_SS_PERMS_PHP_PACKAGES="/tmp/ss-perms-php-packages"
TMP_SS_PERMS_POSTFIX="/tmp/ss-perms-postfix"
TMP_SS_PERMS_PRESTASHOP_CONFIG="/tmp/ss-perms-prestashop-config"
TMP_SS_PERMS_PRESTASHOP_CORE="/tmp/ss-perms-prestashop-core"
TMP_SS_PERMS_REDIS="/tmp/ss-perms-redis"
TMP_SS_PERMS_REDIS_CONFIG="/tmp/ss-perms-redis-config"
TMP_SS_PERMS_REDIS_PACKAGES="/tmp/ss-perms-redis-packages"
TMP_SS_PERMS_UBUNTU_BASH="/tmp/ss-perms-ubuntu-bash"
TMP_SS_PERMS_UBUNTU_CRONTAB="/tmp/ss-perms-ubuntu-crontab"
TMP_SS_PERMS_UBUNTU_KERNEL="/tmp/ss-perms-ubuntu-kernel"
TMP_SS_PERMS_UBUNTU_SSH="/tmp/ss-perms-ubuntu-ssh"
TMP_SS_PERMS_UBUNTU_SWAP="/tmp/ss-perms-ubuntu-swapfile"
TMP_SS_PERMS_UBUNTU_SWAPFILE="/tmp/ss-perms-ubuntu-swapfile"
TMP_SS_PERMS_UBUNTU_USERS="/tmp/ss-perms-ubuntu-users"
TMP_SS_PERMS_UBUNTU_UTILS="/tmp/ss-perms-ubuntu-utils"
TMP_SS_PERMS_UFW="/tmp/ss-perms-ufw"
TMP_SS_PERMS_UFW_CONFIG="/tmp/ss-perms-ufw-config"
TMP_SS_PERMS_UFW_CORE="/tmp/ss-perms-ufw-packages"
TMP_SS_PERMS_UFW_PACKAGES="/tmp/ss-perms-ufw-packages"
TMP_SS_PERMS_WORDPRESS_CLI="/tmp/ss-perms-wordpress-cli"
TMP_SS_PERMS_WORDPRESS_CONFIG="/tmp/ss-perms-wordpress-config"
TMP_SS_PERMS_WORDPRESS_CORE="/tmp/ss-perms-wordpress-core"
TMP_SS_PERMS_WORDPRESS_MU_PLUGINS="/tmp/ss-perms-wordpress-mu-plugins"
TMP_SS_PURGE="/tmp/ss-purge"
TMP_SS_PURGE_NGINX="/tmp/ss-purge-nginx"
TMP_SS_PURGE_OPCACHE="/tmp/ss-purge-opcache"
TMP_SS_PURGE_REDIS="/tmp/ss-purge-redis"
TMP_SS_PURGE_TRANSIENTS="/tmp/ss-purge-transients"
TMP_SS_REBOOT="/tmp/ss-reboot"
TMP_SS_REBOOT_MACHINE="/tmp/ss-reboot-machine"
TMP_SS_REMOTE="/tmp/ss-remote-backup"
TMP_SS_REMOTE_BACKUP="/tmp/ss-remote-backup"
TMP_SS_RESET_LOGS="/tmp/ss-empty-logs"
TMP_SS_RESET_PASSWORD_SFTP="/tmp/ss-reset-password-sftp"
TMP_SS_RESTART_SERVICES="/tmp/ss-restart-services"
TMP_SS_RESTART_SERVICES_MYSQL="/tmp/ss-restart-mysql"
TMP_SS_RESTART_MYSQL="/tmp/ss-restart-mysql"
TMP_SS_RESTART_SERVICES_NGINX="/tmp/ss-restart-nginx"
TMP_SS_RESTART_NGINX="/tmp/ss-restart-nginx"
TMP_SS_RESTART_SERVICES_PHP="/tmp/ss-restart-php"
TMP_SS_RESTART_PHP="/tmp/ss-restart-php"
TMP_SS_RESTART_SERVICES_REDIS="/tmp/ss-restart-redis"
TMP_SS_RESTART_REDIS="/tmp/ss-restart-redis"
TMP_SS_RESTART_UFW="/tmp/ss-restart-ufw"
TMP_SS_SCAN_MALWARE="/tmp/ss-scan-malware"
TMP_SS_STACK_OVERVIEW="/tmp/ss-stack-overview"
TMP_SS_SYNC_STAGING="/tmp/ss-sync-staging"
TMP_SS_UPDATE="/tmp/ss-update"
TMP_SS_UPDATE_CONFIG="/tmp/ss-update-config"
TMP_SS_UPDATE_PACKAGES="/tmp/ss-update-packages"
TMP_SS_WORKER="/tmp/ss-worker"

## temp paths (ss core module config files) ##
TMP_NGINX_BLOCK_DEVELOPMENT="/tmp/server-block-dev"
TMP_NGINX_BLOCK_PRODUCTION="/tmp/default"
TMP_NGINX_BLOCK_STAGING="/tmp/server-block-staging"
TMP_NGINX_CONF="/tmp/nginx.conf"
TMP_PHP_FPM_CONF="/tmp/php-fpm.conf"
TMP_PHP_INI="/tmp/php.ini"
TMP_WWW_CONF="/tmp/www.conf"

TMP_SS_CONSTANTS_PHP="/tmp/ss-constants.php"

TMP_WORDPRESS_CONFIG_DEV="/tmp/wp-config-dev.php"
TMP_WORDPRESS_CONFIG_PRODUCTION="/tmp/wp-config-production.php"
TMP_WORDPRESS_CONFIG_STAGING="/tmp/wp-config-staging.php"
TMP_WP_CONFIG="/tmp/wp-config-production.php"
TMP_WP_CONFIG_PHP="/tmp/wp-config-production.php"
TMP_XXX_COMMON_PHP="/tmp/xxx-common.php"

TMP_WP_CLI_PHAR="/tmp/wp-cli.phar"
TMP_WP_CLI_YML="/tmp/wp-cli.yml"
TMP_WP_COMPLETION="/tmp/wp-completion.bash"

## ss core dir paths ##
PATH_CACHE_NGINX="/var/www/cache/nginx/"
PATH_CACHE_OPCACHE="/var/www/cache/opcache/"

## file paths (ss core cron jobs) ##
PATH_00_CRONTAB="/var/www/crons/00-crontab"
PATH_01_CRON_OFTEN="/var/www/crons/01-cron-often"
PATH_02_CRON_REGULAR="/var/www/crons/02-cron-regular"
PATH_03_CRON_QUARTER_HOURLY="/var/www/crons/03-cron-quarter-hourly"
PATH_04_CRON_HALF_HOURLY="/var/www/crons/04-cron-half-hourly"
PATH_05_CRON_HOURLY="/var/www/crons/05-cron-hourly"
PATH_06_CRON_QUARTER_DAILY="/var/www/crons/06-cron-quarter-daily"
PATH_07_CRON_HALF_DAILY="/var/www/crons/07-cron-half-daily"
PATH_08_CRON_DAILY="/var/www/crons/08-cron-daily"
PATH_09_CRON_HALF_WEEKLY="/var/www/crons/09-cron-half-weekly"
PATH_10_CRON_WEEKLY="/var/www/crons/10-cron-weekly"
PATH_11_CRON_HALF_MONTHLY="/var/www/crons/11-cron-half-monthly"
PATH_12_CRON_MONTHLY="/var/www/crons/12-cron-monthly"
PATH_13_CRON_SOMETIMES="/var/www/crons/13-cron-sometimes"

## file paths (ss custom cron jobs) ##
PATH_01_CRON_OFTEN_CUSTOM="/var/www/crons/custom/01-cron-often-custom"
PATH_02_CRON_REGULAR_CUSTOM="/var/www/crons/custom/02-cron-regular-custom"
PATH_03_CRON_QUARTER_HOURLY_CUSTOM="/var/www/crons/custom/03-cron-quarter-hourly-custom"
PATH_04_CRON_HALF_HOURLY_CUSTOM="/var/www/crons/custom/04-cron-half-hourly-custom"
PATH_05_CRON_HOURLY_CUSTOM="/var/www/crons/custom/05-cron-hourly-custom"
PATH_06_CRON_QUARTER_DAILY_CUSTOM="/var/www/crons/custom/06-cron-quarter-daily-custom"
PATH_07_CRON_HALF_DAILY_CUSTOM="/var/www/crons/custom/07-cron-half-daily-custom"
PATH_08_CRON_DAILY_CUSTOM="/var/www/crons/custom/08-cron-daily-custom"
PATH_CRON_HALF_WEEKLY_CUSTOM="/var/www/crons/custom/09-cron-half-weekly-custom"
PATH_09_CRON_HALF_WEEKLY_CUSTOM="/var/www/crons/custom/09-cron-half-weekly-custom"
PATH_CRON_WEEKLY_CUSTOM="/var/www/crons/custom/10-cron-weekly-custom"
PATH_10_CRON_WEEKLY_CUSTOM="/var/www/crons/custom/10-cron-weekly-custom"
PATH_CRON_HALF_MONTHLY_CUSTOM="/var/www/crons/custom/11-cron-half-monthly-custom"
PATH_11_CRON_HALF_MONTHLY_CUSTOM="/var/www/crons/custom/11-cron-half-monthly-custom"
PATH_CRON_MONTHLY_CUSTOM="/var/www/crons/custom/12-cron-monthly-custom"
PATH_12_CRON_MONTHLY_CUSTOM="/var/www/crons/custom/12-cron-monthly-custom"
PATH_CRON_SOMETIMES_CUSTOM="/var/www/crons/custom/13-cron-sometimes-custom"
PATH_13_CRON_SOMETIMES_CUSTOM="/var/www/crons/custom/13-cron-sometimes-custom"

## file paths (ss core bash scripts) ##
PATH_SS_CHECK="/var/www/ss-check"
PATH_SS_CLEAN_DATABASE="/var/www/ss-clean-database"
PATH_SS_CLEAN_FILES="/var/www/ss-clean-files"
PATH_SS_CONFIG="/var/www/ss-config"
PATH_SS_CONFIG_SAMPLE="/var/www/ss-config-sample"
PATH_SS_DELETE_DATABASE="/var/www/ss-delete-database"
PATH_SS_DELETE_FILES="/var/www/ss-delete-files"
PATH_SS_DOS2UNIX="/var/www/ss-optimize-files"
PATH_SS_DOS2UNIX_FILES="/var/www/ss-optimize-files"
PATH_SS_DUMP_DATABASE="/var/www/ss-dump-database"
PATH_SS_DUMP_FILES="/var/www/ss-dump-files"
PATH_SS_EMPTY_LOGS="/var/www/ss-empty-logs"
PATH_SS_ENCRYPT="/var/www/ss-encrypt"
PATH_SS_ENCRYPT_CERTBOT="/var/www/ss-encrypt-certbot"
PATH_SS_ENCRYPT_OPENSSL="/var/www/ss-encrypt-openssl"
PATH_SS_FUNCTIONS="/var/www/ss-functions"
PATH_SS_IMPORT="/var/www/ss-import"
PATH_SS_IMPORT_DATABASE="/var/www/ss-import-database"
PATH_SS_IMPORT_FILES="/var/www/ss-import-files"
PATH_SS_INSTALL="/var/www/ss-install"
PATH_SS_INSTALL_ADMINER="/var/www/ss-install-adminer"
PATH_SS_INSTALL_CLAMAV="/var/www/ss-install-clamav"
PATH_SS_INSTALL_CRAFT_CONFIG="/var/www/ss-install-craft-config"
PATH_SS_INSTALL_CRAFT_CORE="/var/www/ss-install-craft-core"
PATH_SS_INSTALL_MAGENTO_CONFIG="/var/www/ss-install-magento-config"
PATH_SS_INSTALL_MAGENTO_CORE="/var/www/ss-install-magento-core"
PATH_SS_INSTALL_MEDIAWIKI_CONFIG="/var/www/ss-install-mediawiki-config"
PATH_SS_INSTALL_MEDIAWIKI_CORE="/var/www/ss-install-mediawiki-core"
PATH_SS_INSTALL_MOODLE_CONFIG="/var/www/ss-install-moodle-config"
PATH_SS_INSTALL_MOODLE_CORE="/var/www/ss-install-moodle-core"
PATH_SS_INSTALL_MYSQL="/var/www/ss-install-mysql"
PATH_SS_INSTALL_MYSQL_CONFIG="/var/www/ss-install-mysql-config"
PATH_SS_INSTALL_MYSQL_CORE="/var/www/ss-install-mysql-packages"
PATH_SS_INSTALL_MYSQL_PACKAGES="/var/www/ss-install-mysql-packages"
PATH_SS_INSTALL_NGINX="/var/www/ss-install-nginx"
PATH_SS_INSTALL_NGINX_CONFIG="/var/www/ss-install-nginx-config"
PATH_SS_INSTALL_NGINX_CORE="/var/www/ss-install-nginx-packages"
PATH_SS_INSTALL_NGINX_PACKAGES="/var/www/ss-install-nginx-packages"
PATH_SS_INSTALL_NGINX_LETSENCRYPT="/var/www/ss-install-nginx-letsencrypt"
PATH_SS_INSTALL_NGINX_OPENSSL="/var/www/ss-install-nginx-openssl"
PATH_SS_INSTALL_NGINX_SSL="/var/www/ss-install-nginx-ssl"
PATH_SS_INSTALL_OPENCART_CONFIG="/var/www/ss-install-opencart-config"
PATH_SS_INSTALL_OPENCART_CORE="/var/www/ss-install-opencart-core"
PATH_SS_INSTALL_PHP="/var/www/ss-install-php"
PATH_SS_INSTALL_PHP_CONFIG="/var/www/ss-install-php-config"
PATH_SS_INSTALL_PHP_CORE="/var/www/ss-install-php-packages"
PATH_SS_INSTALL_PHP_PACKAGES="/var/www/ss-install-php-packages"
PATH_SS_INSTALL_POSTFIX="/var/www/ss-install-postfix"
PATH_SS_INSTALL_PRESTASHOP_CONFIG="/var/www/ss-install-prestashop-config"
PATH_SS_INSTALL_PRESTASHOP_CORE="/var/www/ss-install-prestashop-core"
PATH_SS_INSTALL_REDIS="/var/www/ss-install-redis"
PATH_SS_INSTALL_REDIS_CONFIG="/var/www/ss-install-redis-config"
PATH_SS_INSTALL_REDIS_PACKAGES="/var/www/ss-install-redis-packages"
PATH_SS_INSTALL_UBUNTU_BASH="/var/www/ss-install-ubuntu-bash"
PATH_SS_INSTALL_UBUNTU_CRONTAB="/var/www/ss-install-ubuntu-crontab"
PATH_SS_INSTALL_UBUNTU_KERNEL="/var/www/ss-install-ubuntu-kernel"
PATH_SS_INSTALL_UBUNTU_SSH="/var/www/ss-install-ubuntu-ssh"
PATH_SS_INSTALL_UBUNTU_SWAP="/var/www/ss-install-ubuntu-swapfile"
PATH_SS_INSTALL_UBUNTU_SWAPFILE="/var/www/ss-install-ubuntu-swapfile"
PATH_SS_INSTALL_UBUNTU_USERS="/var/www/ss-install-ubuntu-users"
PATH_SS_INSTALL_UBUNTU_UTILS="/var/www/ss-install-ubuntu-utils"
PATH_SS_INSTALL_UFW="/var/www/ss-install-ufw"
PATH_SS_INSTALL_UFW_CONFIG="/var/www/ss-install-ufw-config"
PATH_SS_INSTALL_UFW_CORE="/var/www/ss-install-ufw-packages"
PATH_SS_INSTALL_UFW_PACKAGES="/var/www/ss-install-ufw-packages"
PATH_SS_INSTALL_WORDPRESS_CLI="/var/www/ss-install-wordpress-cli"
PATH_SS_INSTALL_WORDPRESS_CONFIG="/var/www/ss-install-wordpress-config"
PATH_SS_INSTALL_WORDPRESS_CORE="/var/www/ss-install-wordpress-core"
PATH_SS_INSTALL_WORDPRESS_MU_PLUGINS="/var/www/ss-install-wordpress-mu-plugins"
PATH_SS_MAINTENANCE_DISABLE="/var/www/ss-maintenance-disable"
PATH_SS_MAINTENANCE_ENABLE="/var/www/ss-maintenance-enable"
PATH_SS_MONITOR="/var/www/ss-monitor-resources"
PATH_SS_MONITOR_RESOURCES="/var/www/ss-monitor-resources"
PATH_SS_OPTIMIZE_DATABASE="/var/www/ss-optimize-database"
PATH_SS_OPTIMIZE_FILES="/var/www/ss-optimize-files"
PATH_SS_OVERVIEW="/var/www/ss-stack-overview"
PATH_SS_PERMS="/var/www/ss-perms"
PATH_SS_PERMS_ADMINER="/var/www/ss-perms-adminer"
PATH_SS_PERMS_CLAMAV="/var/www/ss-perms-clamav"
PATH_SS_PERMS_CRAFT_CONFIG="/var/www/ss-perms-craft-config"
PATH_SS_PERMS_CRAFT_CORE="/var/www/ss-perms-craft-core"
PATH_SS_PERMS_MAGENTO_CONFIG="/var/www/ss-perms-magento-config"
PATH_SS_PERMS_MAGENTO_CORE="/var/www/ss-perms-magento-core"
PATH_SS_PERMS_MEDIAWIKI_CONFIG="/var/www/ss-perms-mediawiki-config"
PATH_SS_PERMS_MEDIAWIKI_CORE="/var/www/ss-perms-mediawiki-core"
PATH_SS_PERMS_MOODLE_CONFIG="/var/www/ss-perms-moodle-config"
PATH_SS_PERMS_MOODLE_CORE="/var/www/ss-perms-moodle-core"
PATH_SS_PERMS_MYSQL="/var/www/ss-perms-mysql"
PATH_SS_PERMS_MYSQL_CONFIG="/var/www/ss-perms-mysql-config"
PATH_SS_PERMS_MYSQL_PACKAGES="/var/www/ss-perms-mysql-packages"
PATH_SS_PERMS_NGINX="/var/www/ss-perms-nginx"
PATH_SS_PERMS_NGINX_CONFIG="/var/www/ss-perms-nginx-config"
PATH_SS_PERMS_NGINX_CORE="/var/www/ss-perms-nginx-packages"
PATH_SS_PERMS_NGINX_PACKAGES="/var/www/ss-perms-nginx-packages"
PATH_SS_PERMS_NGINX_SSL="/var/www/ss-perms-nginx-ssl" ## name might change
PATH_SS_PERMS_OPENCART_CONFIG="/var/www/ss-perms-opencart-config"
PATH_SS_PERMS_OPENCART_CORE="/var/www/ss-perms-opencart-core"
PATH_SS_PERMS_PHP="/var/www/ss-perms-php"
PATH_SS_PERMS_PHP_CONFIG="/var/www/ss-perms-php-config"
PATH_SS_PERMS_PHP_CORE="/var/www/ss-perms-php-packages"
PATH_SS_PERMS_PHP_PACKAGES="/var/www/ss-perms-php-packages"
PATH_SS_PERMS_POSTFIX="/var/www/ss-perms-postfix"
PATH_SS_PERMS_PRESTASHOP_CONFIG="/var/www/ss-perms-prestashop-config"
PATH_SS_PERMS_PRESTASHOP_CORE="/var/www/ss-perms-prestashop-core"
PATH_SS_PERMS_REDIS="/var/www/ss-perms-redis"
PATH_SS_PERMS_REDIS_CONFIG="/var/www/ss-perms-redis-config"
PATH_SS_PERMS_REDIS_PACKAGES="/var/www/ss-perms-redis-packages"
PATH_SS_PERMS_UBUNTU_BASH="/var/www/ss-perms-ubuntu-bash"
PATH_SS_PERMS_UBUNTU_CRONTAB="/var/www/ss-perms-ubuntu-crontab"
PATH_SS_PERMS_UBUNTU_KERNEL="/var/www/ss-perms-ubuntu-kernel"
PATH_SS_PERMS_UBUNTU_SSH="/var/www/ss-perms-ubuntu-ssh"
PATH_SS_PERMS_UBUNTU_SWAP="/var/www/ss-perms-ubuntu-swapfile"
PATH_SS_PERMS_UBUNTU_SWAPFILE="/var/www/ss-perms-ubuntu-swapfile"
PATH_SS_PERMS_UBUNTU_USERS="/var/www/ss-perms-ubuntu-users"
PATH_SS_PERMS_UBUNTU_UTILS="/var/www/ss-perms-ubuntu-utils"
PATH_SS_PERMS_UFW="/var/www/ss-perms-ufw" ## name will change
PATH_SS_PERMS_UFW_CONFIG="/var/www/ss-perms-ufw-config"
PATH_SS_PERMS_UFW_CORE="/var/www/ss-perms-ufw-packages"
PATH_SS_PERMS_UFW_PACKAGES="/var/www/ss-perms-ufw-packages"
PATH_SS_PERMS_WORDPRESS_CLI="/var/www/ss-perms-wordpress-cli"
PATH_SS_PERMS_WORDPRESS_CONFIG="/var/www/ss-perms-wordpress-config"
PATH_SS_PERMS_WORDPRESS_CORE="/var/www/ss-perms-wordpress-core"
PATH_SS_PERMS_WORDPRESS_MU_PLUGINS="/var/www/ss-perms-wordpress-mu-plugins"
PATH_SS_PURGE="/var/www/ss-purge"
PATH_SS_PURGE_NGINX="/var/www/ss-purge-nginx"
PATH_SS_PURGE_OPCACHE="/var/www/ss-purge-opcache" ## name might change
PATH_SS_PURGE_REDIS="/var/www/ss-purge-redis" ## name might change
PATH_SS_PURGE_TRANSIENTS="/var/www/ss-purge-transients"
PATH_SS_REBOOT="/var/www/ss-reboot"
PATH_SS_REBOOT_MACHINE="/var/www/ss-reboot-machine"
PATH_SS_REMOTE="/var/www/ss-remote-backup"
PATH_SS_REMOTE_BACKUP="/var/www/ss-remote-backup"
PATH_SS_RESET_LOGS="/var/www/ss-empty-logs"
PATH_SS_RESET_PASSWORD_SFTP="/var/www/ss-reset-password-sftp"
PATH_SS_RESTART_SERVICES="/var/www/ss-restart-services"
PATH_SS_RESTART_SERVICES_MYSQL="/var/www/ss-restart-mysql"
PATH_SS_RESTART_MYSQL="/var/www/ss-restart-mysql"
PATH_SS_RESTART_SERVICES_NGINX="/var/www/ss-restart-nginx"
PATH_SS_RESTART_NGINX="/var/www/ss-restart-nginx"
PATH_SS_RESTART_SERVICES_PHP="/var/www/ss-restart-php"
PATH_SS_RESTART_PHP="/var/www/ss-restart-php"
PATH_SS_RESTART_SERVICES_REDIS="/var/www/ss-restart-redis"
PATH_SS_RESTART_REDIS="/var/www/ss-restart-redis"
PATH_SS_RESTART_UFW="/var/www/ss-restart-ufw"
PATH_SS_SCAN_MALWARE="/var/www/ss-scan-malware"
PATH_SS_STACK_OVERVIEW="/var/www/ss-stack-overview"
PATH_SS_SYNC_STAGING="/var/www/ss-sync-staging" ## name might change
PATH_SS_UPDATE="/var/www/ss-update"
PATH_SS_UPDATE_CONFIG="/var/www/ss-update-config"
PATH_SS_UPDATE_PACKAGES="/var/www/ss-update-packages"
PATH_SS_WORKER="/var/www/ss-worker"

## ss module config paths ##
PATH_MY_CNF="/etc/mysql/my.cnf"
PATH_NGINX_CONF="/etc/nginx/nginx.conf"
PATH_NGINX_BLOCK_DEVELOPMENT="/var/www/sites/development"
PATH_NGINX_BLOCK_PRODUCTION="/var/www/sites/production"
PATH_NGINX_BLOCK_STAGING="/var/www/sites/staging"
PATH_WP_CONFIG_DEV="/var/www/html/dev/wp-config.php"
PATH_WP_CONFIG_STAGING="/var/www/html/staging/wp-config.php"
PATH_WP_CONFIG="/var/www/html/wp-config.php"
PATH_WP_CONFIG_PHP="/var/www/html/wp-config.php"
PATH_XXX_COMMON_PHP="/var/www/html/wp-content/mu-plugins/xxx-common.php"
PATH_ROOT_BASHRC="/root/.bashrc"
PATH_SUDO_BASHRC="/home/${SUDO_USER}/.bashrc"
PATH_BASHRC_ROOT="/root/.bashrc"
PATH_BASHRC_SUDO="/home/${SUDO_USER}/.bashrc"
PATH_BASHRC_SLICKSTACK="/var/www/meta/.bashrc_slickstack"

PATH_SS_CONSTANTS_PHP="/var/www/meta/ss-constants.php"
PATH_DUMP_MYSQL_DATABASE="/var/www/backups/mysql/wp.sql"

PATH_WP_COMPLETION_BASH="/var/www/meta/.wp-completion"
PATH_WP_CLI_YML="/var/www/meta/wp-cli.yml"
PATH_WP_CLI_PHAR="/usr/local/bin/wp"


## timestamps ##
TIMESTAMP_01_CRON_OFTEN="/var/www/meta/timestamps/01-cron-often.timestamp"
TIMESTAMP_01_CRON_OFTEN_CUSTOM="/var/www/meta/timestamps/01-cron-often-custom.timestamp"
TIMESTAMP_02_CRON_REGULAR="/var/www/meta/timestamps/02-cron-regular.timestamp"
TIMESTAMP_02_CRON_REGULAR_CUSTOM="/var/www/meta/timestamps/02-cron-regular-custom.timestamp"
TIMESTAMP_03_CRON_QUARTER_HOURLY="/var/www/meta/timestamps/03-cron-quarter-hourly.timestamp"
TIMESTAMP_03_CRON_QUARTER_HOURLY_CUSTOM="/var/www/meta/timestamps/03-cron-quarter-hourly-custom.timestamp"
TIMESTAMP_04_CRON_HALF_HOURLY="/var/www/meta/timestamps/04-cron-half-hourly.timestamp"
TIMESTAMP_04_CRON_HALF_HOURLY_CUSTOM="/var/www/meta/timestamps/04-cron-half-hourly-custom.timestamp"
TIMESTAMP_05_CRON_HOURLY="/var/www/meta/timestamps/05-cron-hourly.timestamp"
TIMESTAMP_05_CRON_HOURLY_CUSTOM="/var/www/meta/timestamps/05-cron-hourly-custom.timestamp"
TIMESTAMP_06_CRON_QUARTER_DAILY="/var/www/meta/timestamps/06-cron-quarter-daily.timestamp"
TIMESTAMP_06_CRON_QUARTER_DAILY_CUSTOM="/var/www/meta/timestamps/06-cron-quarter-daily-custom.timestamp"
TIMESTAMP_07_CRON_HALF_DAILY="/var/www/meta/timestamps/07-cron-half-daily.timestamp"
TIMESTAMP_07_CRON_HALF_DAILY_CUSTOM="/var/www/meta/timestamps/07-cron-half-daily-custom.timestamp"
TIMESTAMP_08_CRON_DAILY="/var/www/meta/timestamps/08-cron-daily.timestamp"
TIMESTAMP_08_CRON_DAILY_CUSTOM="/var/www/meta/timestamps/08-cron-daily-custom.timestamp"
TIMESTAMP_09_CRON_HALF_WEEKLY="/var/www/meta/timestamps/09-cron-half-weekly.timestamp"
TIMESTAMP_09_CRON_HALF_WEEKLY_CUSTOM="/var/www/meta/timestamps/09-cron-half-weekly-custom.timestamp"
TIMESTAMP_10_CRON_WEEKLY="/var/www/meta/timestamps/10-cron-weekly.timestamp"
TIMESTAMP_10_CRON_WEEKLY_CUSTOM="/var/www/meta/timestamps/10-cron-weekly-custom.timestamp"
TIMESTAMP_11_CRON_HALF_MONTHLY="/var/www/meta/timestamps/11-cron-half-monthly.timestamp"
TIMESTAMP_11_CRON_HALF_MONTHLY_CUSTOM="/var/www/meta/timestamps/11-cron-half-monthly-custom.timestamp"
TIMESTAMP_12_CRON_MONTHLY="/var/www/meta/timestamps/12-cron-monthly.timestamp"
TIMESTAMP_12_CRON_MONTHLY_CUSTOM="/var/www/meta/timestamps/12-cron-monthly-custom.timestamp"
TIMESTAMP_13_CRON_SOMETIMES="/var/www/meta/timestamps/13-cron-sometimes.timestamp"
TIMESTAMP_13_CRON_SOMETIMES_CUSTOM="/var/www/meta/timestamps/13-cron-sometimes-custom.timestamp"

TIMESTAMP_SS_CHECK="/var/www/meta/timestamps/ss-check.timestamp"
TIMESTAMP_SS_CLEAN_FILES="/var/www/meta/timestamps/ss-clean-files.timestamp"
TIMESTAMP_SS_DOS2UNIX="/var/www/meta/timestamps/ss-dos2unix.timestamp"
TIMESTAMP_SS_DOS2UNIX_FILES="/var/www/meta/timestamps/ss-dos2unix-files.timestamp"
TIMESTAMP_SS_DUMP_DATABASE="/var/www/meta/timestamps/ss-dump-database.timestamp"
TIMESTAMP_SS_DUMP_FILES="/var/www/meta/timestamps/ss-dump-files.timestamp"
TIMESTAMP_SS_EMPTY_LOGS="/var/www/meta/timestamps/ss-empty-logs.timestamp"
TIMESTAMP_SS_ENCRYPT_CERTBOT="/var/www/meta/timestamps/ss-encrypt-certbot.timestamp"
TIMESTAMP_SS_ENCRYPT_OPENSSL="/var/www/meta/timestamps/ss-encrypt-openssl.timestamp"
TIMESTAMP_SS_INSTALL_ADMINER="/var/www/meta/timestamps/ss-install-adminer.timestamp" ## name might change
TIMESTAMP_SS_INSTALL_MYSQL_CONFIG="/var/www/meta/timestamps/ss-install-mysql-config.timestamp"
TIMESTAMP_SS_INSTALL_MYSQL_CORE="/var/www/meta/timestamps/ss-install-mysql-core.timestamp"
TIMESTAMP_SS_INSTALL_NGINX="/var/www/meta/timestamps/ss-install-nginx.timestamp"
TIMESTAMP_SS_INSTALL_NGINX_CORE="/var/www/meta/timestamps/ss-install-nginx-core.timestamp"
TIMESTAMP_SS_INSTALL_NGINX_CONFIG="/var/www/meta/timestamps/ss-install-nginx-config.timestamp"
TIMESTAMP_SS_INSTALL_NGINX_SSL="/var/www/meta/timestamps/ss-install-nginx-ssl.timestamp"
TIMESTAMP_SS_INSTALL_OPENCART_CONFIG="/var/www/meta/timestamps/ss-install-opencart-config.timestamp"
TIMESTAMP_SS_INSTALL_OPENCART_CORE="/var/www/meta/timestamps/ss-install-opencart-core.timestamp"
TIMESTAMP_SS_INSTALL_PHP_CONFIG="/var/www/meta/timestamps/ss-install-php-config.timestamp"
TIMESTAMP_SS_INSTALL_PRESTASHOP_CONFIG="/var/www/meta/timestamps/ss-install-prestashop-config.timestamp"
TIMESTAMP_SS_INSTALL_PRESTASHOP_CORE="/var/www/meta/timestamps/ss-install-prestashop-core.timestamp"
TIMESTAMP_SS_INSTALL_UBUNTU_BASH="/var/www/meta/timestamps/ss-install-ubuntu-bash.timestamp"
TIMESTAMP_SS_INSTALL_UBUNTU_CRONTAB="/var/www/meta/timestamps/ss-install-ubuntu-crontab.timestamp"
TIMESTAMP_SS_INSTALL_UBUNTU_KERNEL="/var/www/meta/timestamps/ss-install-ubuntu-kernel.timestamp"
TIMESTAMP_SS_INSTALL_UBUNTU_SSH="/var/www/meta/timestamps/ss-install-ubuntu-ssh.timestamp"
TIMESTAMP_SS_INSTALL_UBUNTU_SWAP="/var/www/meta/timestamps/ss-install-ubuntu-swap.timestamp"
TIMESTAMP_SS_INSTALL_UBUNTU_SWAPFILE="/var/www/meta/timestamps/ss-install-ubuntu-swapfile.timestamp"
TIMESTAMP_SS_INSTALL_UBUNTU_USERS="/var/www/meta/timestamps/ss-install-ubuntu-users.timestamp"
TIMESTAMP_SS_INSTALL_UBUNTU_UTILS="/var/www/meta/timestamps/ss-install-ubuntu-utils.timestamp"
TIMESTAMP_SS_INSTALL_UFW_CONFIG="/var/www/meta/timestamps/ss-install-ufw-config.timestamp"
TIMESTAMP_SS_INSTALL_UFW_CORE="/var/www/meta/timestamps/ss-install-ufw-core.timestamp"
TIMESTAMP_SS_INSTALL_WORDPRESS_CONFIG="/var/www/meta/timestamps/ss-install-wordpress-config.timestamp"
TIMESTAMP_SS_INSTALL_WORDPRESS_CORE="/var/www/meta/timestamps/ss-install-wordpress-core.timestamp"
TIMESTAMP_SS_OPTIMIZE_DATABASE="/var/www/meta/timestamps/ss-optimize-database.timestamp"
TIMESTAMP_SS_PERMS_WORDPRESS_CLI="/var/www/meta/timestamps/ss-perms-wordpress-cli.timestamp"
TIMESTAMP_SS_PERMS_WORDPRESS_CONFIG="/var/www/meta/timestamps/ss-perms-wordpress-config.timestamp"
TIMESTAMP_SS_REBOOT_MACHINE="/var/www/meta/timestamps/ss-reboot-machine.timestamp"
TIMESTAMP_SS_RESTART_MYSQL="/var/www/meta/timestamps/ss-restart-mysql.timestamp"
TIMESTAMP_SS_RESTART_NGINX="/var/www/meta/timestamps/ss-restart-nginx.timestamp"
TIMESTAMP_SS_RESTART_PHP="/var/www/meta/timestamps/ss-restart-php.timestamp"
TIMESTAMP_SS_RESTART_REDIS="/var/www/meta/timestamps/ss-restart-redis.timestamp"
TIMESTAMP_SS_RESTART_UFW="/var/www/meta/timestamps/ss-restart-ufw.timestamp"
TIMESTAMP_SS_SCAN_MALWARE="/var/www/meta/timestamps/ss-scan-malware.timestamp"
TIMESTAMP_SS_STACK_OVERVIEW="/var/www/meta/timestamps/ss-stack-overview.timestamp"
TIMESTAMP_SS_SYNC_STAGING="/var/www/meta/timestamps/ss-sync-staging.timestamp"
TIMESTAMP_SS_UPDATE_CONFIG="/var/www/meta/timestamps/ss-update-config.timestamp"
TIMESTAMP_SS_UPDATE_PACKAGES="/var/www/meta/timestamps/ss-update-packages.timestamp"
TIMESTAMP_SS_WORKER="/var/www/meta/timestamps/ss-worker.timestamp"

LOCK_01_CRON_OFTEN="/tmp/01-cron-often.lock"
LOCK_02_CRON_REGULAR="/tmp/02-cron-regular.lock"
LOCK_03_CRON_QUARTER_HOURLY="/tmp/03-cron-quarter-hourly.lock"
LOCK_04_CRON_HALF_HOURLY="/tmp/04-cron-half-hourly.lock"
LOCK_05_CRON_HOURLY="/tmp/05-cron-hourly.lock"
LOCK_06_CRON_QUARTER_DAILY="/tmp/06-cron-quarter-daily.lock"
LOCK_07_CRON_HALF_DAILY="/tmp/07-cron-half-daily.lock"
LOCK_08_CRON_DAILY="/tmp/08-cron-daily.lock"
LOCK_09_CRON_HALF_WEEKLY="/tmp/09-cron-half-weekly.lock"
LOCK_10_CRON_WEEKLY="/tmp/10-cron-weekly.lock"
LOCK_11_CRON_HALF_MONTHLY="/tmp/11-cron-half-monthly.lock"
LOCK_12_CRON_MONTHLY="/tmp/12-cron-monthly.lock"
LOCK_13_CRON_SOMETIMES="/tmp/13-cron-sometimes.lock"

## ubuntu packages ##
PACKAGE_DOS2UNIX="dos2unix"

## validate files (these lines must appear under others above) ##
# VALIDATE_SS_CHECK=$(grep "$SS_EOF" "$PATH_SS_CHECK")
# VALIDATE_SS_WORKER=$(grep "$SS_EOF" "$PATH_SS_WORKER")
# VALIDATE_TMP_SS_CHECK=$(grep "$SS_EOF" "$TMP_SS_CHECK")
# VALIDATE_TMP_SS_WORKER=$(grep "$SS_EOF" "$TMP_SS_WORKER")

# VALIDATE_NGINX_CONF=$(grep "$SS_EOF" "$PATH_NGINX_CONF")
# VALIDATE_PHP_INI=$(grep "$SS_EOF" "$PATH_PHP_INI")
# VALIDATE_WP_CONFIG_PHP=$(grep "$SS_EOF" "$PATH_WP_CONFIG_PHP")

## old stuff ##
# NETWORK_INTERFACE=`ip route get 1.1.1.1 | head -n1 | awk '{print $5}'`
# SS_HOSTNAME_ALL=`/bin/hostname -A`
# SS_HOSTNAME_FQDN=`/bin/hostname -f`
# SS_TLD=`hostname -d`
# SS_MYSQL_VERSION=`mysqld --version`
# SS_MYSQL_SIZE=`mysql --execute="SELECT table_schema AS "wordpress", SUM(data_length + index_length) / 1024 / 1024 / 1024 AS "Size (GB)" FROM information_schema.TABLES GROUP BY table_schema";`
# SS_PHP_VERSION=`php -v | grep ^PHP | cut -d' ' -f2`
# SS_PHP_EXTENSIONS=`php -r "print_r(implode(', ', get_loaded_extensions()));"`

####################################################################################################
#### SS-Functions: Critical Bash Functions #########################################################
####################################################################################################

## SNIPPET: ss-functions, ss-install

## these functions are sourced into ss core cron jobs and bash scripts for consistency ##
## this also speeds up processing time by avoiding repeat inline bash commands ##

## add-apt-repository alias flags ##
function add-apt-repository {
    export DEBIAN_FRONTEND=noninteractive
    export DEBIAN_PRIORITY=critical
    export PATH='/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin'
    command /usr/bin/add-apt-repository --yes "$@"
}

## apt alias flags ##
function apt {
    export DEBIAN_FRONTEND=noninteractive
    export DEBIAN_PRIORITY=critical
    export PATH='/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin'
    command /usr/bin/apt --yes --quiet --option Dpkg::Options::=--force-confold --option Dpkg::Options::=--force-confdef "$@"
}

## cp alias flags ##
function cp {
    command cp -R -f -d --no-preserve=mode,ownership "$@"
}

## ln alias flags ##
function ln {
    command ln -s -f "$@"
}

## mkdir alias flags ##
function mkdir {
    command mkdir -p "$@"
}

## mysql alias flags (8.0) ##
function mysql {
    command mysql --user=root --host=localhost --protocol=socket --port=3306 --force "$@"
    # mysql --user=root --host="$DB_HOST" --protocol=tcp --port=3306 --flush-privileges --force "$DB_NAME" 
    # --max_allowed_packet=1GB ... add this after test
}

## mysql_5.7 alias flags ##
function mysql_5.7 {
    command mysql --user=root --password=$DB_PASSWORD_ROOT --host=127.0.0.1 --protocol=tcp --port=3306 --force "$@"
}

## mysqldump alias flags ##
# function mysqldump {
    # /usr/bin/mysqldump
#     command mysqldump --user=$DB_USER --password=$DB_PASSWORD --host=$DB_HOST --protocol=tcp --port=3306 --no-tablespaces --single-transaction --skip-lock-tables --dump-date --force "$@"
# }

## mysqldump alias flags ##
function mysqldump {
    # /usr/bin/mysqldump
    command mysqldump --user=$DB_USER --password=$DB_PASSWORD --host=$DB_HOST --protocol=tcp --port=3306 --no-tablespaces --single-transaction --skip-lock-tables --dump-date --force "$@"
}

## rm alias flags ##
function rm {
    command rm -R -f "$@"
}

## rsync alias flags ##
function rsync {
    command rsync -aI --ignore-errors "$@"
}

## touch alias flags ##
function touch {
    command touch -am "$@"
}

## unzip alias flags ##
function unzip {
    command unzip -o "$@"
}

## wget alias flags ##
function wget {
    command wget --quiet --no-check-certificate --inet4-only --no-cache --no-cookies --tries=3 --timeout=60 --waitretry=15 "$@"
}

####################################################################################################
#### SS-Functions: Pretty Colors + Styles For The Shell ############################################
####################################################################################################

## SNIPPET: ss-functions, ss-install

## these color variables help maintain cleaner and prettier Bash scripts in SlickStack ##
## we substitute e.g. ${PINK} within any echo line then use ${RESET} to revert ##

## pretty colors old ##
DARKRED='\033[0;31m'
LIGHTRED='\033[1;31m'
DARKGREEN='\033[0;32m'
LIGHTGREEN='\033[1;32m'
DARKCYAN='\033[0;36m'
LIGHTCYAN='\033[1;36m'
DARKBLUE='\033[0;34m'
LIGHTBLUE='\033[1;34m'
DARKPURPLE='\033[0;35m'
LIGHTPURPLE='\033[1;35m'

## new ##
GREEN='\033[1;32m'
NOCOLOR='\033[0m'
ORANGE='\033[0;33m'
PINK='\033[1;35m'
PURPLE='\033[0;35m'
YELLOW='\033[1;33m'
WHITE='\033[1;37m'

DARKGRAY='\033[1;30m'
LIGHTGRAY='\033[0;37m'


BGBLACK=$(tput setab 0) # black
BGRED=$(tput setab 1) # red
BGGREEN=$(tput setab 2) # green
BGYELLOW=$(tput setab 3) # yellow
BGBLUE=$(tput setab 4) # blue
BGPINK=$(tput setab 5) # magenta (pink)
BGCYAN=$(tput setab 6) # cyan
BGWHITE=$(tput setab 7) # white

## pretty styles ##
BOLD=$(tput bold) # bold (strong)
DIM=$(tput dim) # dim (half-bright)
NORMAL=$(tput sgr0) # reset all styles (normal)
RESET=$(tput sgr0) # reset all styles (normal)
BLINK=$(tput blink) # blink
UNDERLINE=$(tput smul) # underline
ENDUNDER=$(tput rmul) # end underline
REVERSE=$(tput rev) # reverse
STANDOUT=$(tput smso) # standout (highlight)
ENDSTAND=$(tput rmso) # end standout

####################################################################################################
#### SlickStack: External References Used To Improve This Script (Thanks, Interwebz) ###############
####################################################################################################

## Ref: https://refspecs.linuxfoundation.org/LSB_3.0.0/LSB-PDA/LSB-PDA/lsbrelease.html
## Ref: https://www.tecmint.com/8-pratical-examples-of-linux-touch-command/
## Ref: https://stackoverflow.com/questions/6481005/how-to-obtain-the-number-of-cpus-cores-in-linux-from-the-command-line
## Ref: https://ostechnix.com/find-out-the-linux-distribution-name-version-and-kernel-details/
## Ref: https://linuxize.com/post/how-to-check-mysql-version/
## Ref: https://www.cyberciti.biz/faq/find-my-linux-machine-name/
## Ref: https://unix.stackexchange.com/questions/471521/how-to-get-only-the-version-number-of-php
## Ref: https://www.geeksforgeeks.org/how-to-create-comma-separated-list-from-array-in-php/
## Ref: https://stackoverflow.com/questions/478844/how-do-i-see-the-extensions-loaded-by-php
## Ref: https://linux.die.net/man/1/dnsdomainname
## Ref: https://serverfault.com/questions/739684/why-hostname-f-gives-me-subdomain-back-when-only-domain-is-in-etc-hostname
## Ref: https://serverfault.com/questions/545215/change-ps1-value-for-all-bash-users
## Ref: https://serverfault.com/questions/218629/most-effective-way-to-change-linux-command-prompt-for-all-users
## Ref: https://askubuntu.com/questions/984060/export-ps1-for-customizing-shell-prompt
## Ref: https://serverfault.com/questions/296970/bash-prompt-on-ubuntu-fqdn-h-same-as-hostname-h
## Ref: https://www.howtoforge.com/tutorial/linux-touch-command/
## Ref: https://www.binarytides.com/linux-touch-command/
## Ref: http://www.linfo.org/touch.html
## Ref: https://superuser.com/questions/351251/get-total-size-of-my-hard-drive-in-linux-using-the-command-line-without-root-p
## Ref: https://www.shellhacks.com/bash-colors/
## Ref: https://misc.flogisoft.com/bash/tip_colors_and_formatting
## Ref: https://www.geeksforgeeks.org/hostname-command-in-linux-with-examples/
## Ref: https://dev.mysql.com/doc/refman/8.0/en/packet-too-large.html
## Ref: https://superuser.com/questions/161110/why-doesnt-hostname-fqdn-work-on-my-ubuntu-computer
## Ref: https://techpiezo.com/linux/wget-force-ipv4-ipv6-connection/
## Ref: https://unix.stackexchange.com/questions/168584/wget-is-unable-to-resolve-host-address-80-of-the-time
## Ref: https://github.community/t/cannot-reach-any-github-io-page-via-ipv6/10310
## Ref: https://github.com/isaacs/github/issues/354
## Ref: https://stackoverflow.com/questions/27392410/how-to-check-if-grep-has-no-output/27393148
## Ref: https://unix.stackexchange.com/questions/608483/grep-q-vs-if-n-z
## Ref: https://unix.stackexchange.com/questions/118433/quoting-within-command-substitution-in-bash
## Ref: https://stackoverflow.com/questions/56170215/what-is-the-point-of-grep-q
## Ref: https://stackoverflow.com/questions/9449778/what-is-the-benefit-of-using-instead-of-backticks-in-shell-scripts
## Ref: https://stackoverflow.com/questions/4651437/how-do-i-set-a-variable-to-the-output-of-a-command-in-bash
## Ref: https://stackoverflow.com/questions/43662591/wget-using-timeout-and-tries-together
## Ref: https://www.shell-tips.com/bash/functions/#function-variables
## Ref: https://unix.stackexchange.com/questions/30925/in-bash-when-to-alias-when-to-script-and-when-to-write-a-function
## Ref: https://unix.stackexchange.com/questions/89714/easy-way-to-determine-virtualization-technology
## Ref: https://stackoverflow.com/questions/29760638/remove-white-space-in-bash-using-sed
## Ref: https://linoxide.com/linux-command/how-to-display-system-hardware-information-in-bios/
## Ref: https://unix.stackexchange.com/questions/288521/with-the-linux-cat-command-how-do-i-show-only-certain-lines-by-number
## Ref: https://www.howtoforge.com/linux-lshw-command/
## Ref: https://linuxize.com/post/how-to-check-if-string-contains-substring-in-bash/
## Ref: https://stackoverflow.com/questions/2440947/how-to-build-a-conditional-assignment-in-bash

## SS_EOF