#!/bin/bash #################################################################################################### #### author: SlickStack ############################################################################ #### link: https://slickstack.io ################################################################### #### mirror: https://mirrors.slickstack.io/bash/ss-install-mysql-packages.txt ###################### #### path: /var/www/ss-install-mysql-packages ###################################################### #### destination: n/a (not a boilerplate) ########################################################## #### purpose: Reinstalls the MySQL module Ubuntu packages and extensions (idempotent) ############## #### module version: MySQL 8.0.x ################################################################### #### sourced by: ss-install ######################################################################## #### bash aliases: ss install mysql core, ss install mysql packages ################################ #################################################################################################### ## SS-CONFIG MUST BE PROPERLY CONFIGURED AND ON CURRENT BUILD BEFORE RUNNING SS-INSTALL ## ## ENSURE YOUR SS-CONFIG BUILD REMAINS CURRENT BY RUNNING SS-UPDATE OCCASIONALLY ## ## source ss-config ## source /var/www/ss-config ## source ss-functions ## source /var/www/ss-functions ## BELOW THIS RELIES ON SS-CONFIG AND SS-FUNCTIONS #################################################################################################### #### TABLE OF CONTENTS (SS-Install-MySQL-Packages) ################################################# #################################################################################################### ## this is a brief summary of the different code snippets you will find in this script ## ## each section should be commented so you understand what is being accomplished ## ## A. Touch Timestamp File ## B. Message (Begin Script) ## C.Update Existing Packages ## C. Install MySQL (Localhost Only) ## D. Configure Root + Admin User #################################################################################################### #### A. SS-Install-MySQL-Packages: Touch Timestamp File ############################################ #################################################################################################### ## this is a dummy timestamp file that will remember the last time this script was run ## ## it can be useful for developer reference and is sometimes used by SlickStack ## ## script timestamp ## ss_touch "${TIMESTAMP_SS_INSTALL_MYSQL_PACKAGES}" #################################################################################################### #### B. SS-Install-MySQL-Packages: Message (Begin Script) ########################################## #################################################################################################### ## this is a simple message that announces to the shell the purpose of this bash script ## ## it will only be noticed by sudo users who manually call ss core bash scripts ## ## echo message ## ss_echo "${COLOR_INFO}Running ss-install-mysql-packages: Reinstalls the MySQL module Ubuntu packages and extensions (idempotent)... ${COLOR_RESET}" if [[ "$SS_DATABASE_REMOTE" != "true" ]]; then ## ADD NEW SECTION for else install mysql client only (if using remote database) #################################################################################################### #### C. SS-Install-MySQL-Packages: Update Existing Packages ######################################## #################################################################################################### ## we must include the standard apt update/upgrade in case script is called directly ## ## this helps to avoid conflicts and outdated packages during installation ## ## SNIPPET: ss-install-[module]-packages (bash scripts) ## UPDATED: 25MAY2022 ## update apt cache ## ss_apt_update ## upgrade packages ## ss_apt_upgrade #################################################################################################### #### SS-Install-MySQL-Packages: Prepare Root User Authentication (Debconf) ######################### #################################################################################################### ## this might be needed for 18.04 ## here we prepare the MySQL root password using the Debian/Ubuntu debconf utilities ## ## all SlickStack scripts connect to MySQL via root@localhost using sockets ## # repair debconf (see: sudo debconf-show mysql-community-server-8.0) ## # sudo /usr/share/debconf/fix_db.pl ## purge any previous debconf/MySQL data ## # sudo echo PURGE | sudo debconf-communicate mysql-community-server # sudo echo PURGE | sudo debconf-communicate mysql-server # sudo echo "mysql-community-server mysql-community-server/remove-data-dir boolean true" | sudo debconf-set-selections ## prepare root password for apt (PSA: sudo the shit out of these or it will fail) ## # if [[ "${UBUNTU_VERSION}" = "20.04" || -z "${UBUNTU_VERSION}" ]]; then # sudo echo "mysql-community-server mysql-community-server/root-pass password ${DB_PASSWORD_ROOT}" | sudo debconf-set-selections # sudo echo "mysql-community-server mysql-community-server/re-root-pass password ${DB_PASSWORD_ROOT}" | sudo debconf-set-selections # sudo echo "mysql-community-server mysql-server/default-auth-override select Use Legacy Authentication Method (Retain MySQL 5.x Compatibility)" | sudo debconf-set-selections # fi #################################################################################################### #### C. SS-Install-MySQL-Packages: Install MySQL (Localhost Only) ################################## #################################################################################################### ## this script will install the MySQL packages unless it is set to false in ss-config ## ## remote database environments should not require localhost MySQL installed ## ## ubuntu 22.04 ## if [[ "${UBUNTU_VERSION}" == "22.04" ]]; then ss_apt_install mysql-server-8.0 fi ## ubuntu 20.04 ## if [[ "${UBUNTU_VERSION}" == "20.04" ]]; then ss_apt_install mysql-server-8.0 fi ## ubuntu 18.04 ## if [[ "${UBUNTU_VERSION}" == "18.04" ]]; then ss_apt_install mysql-server-5.7 fi #################################################################################################### #### D. SS-Install-MySQL-Packages: Install Database(s) ############################################# #################################################################################################### source "${PATH_SS_INSTALL_MYSQL_DATABASE}" #################################################################################################### #### SS-Install-MySQL-Packages: Reset Permissions (MySQL Core) ##################################### #################################################################################################### ## run ss-perms-mysql-packages ## source "${PATH_SS_PERMS_MYSQL_PACKAGES}" fi #################################################################################################### #### SlickStack: External References Used To Improve This Script (Thanks, Interwebz) ############### #################################################################################################### ## MYSQL IS PHASING OUT NATIVE PASSWORDS IN FAVOR OF UNIX SOCKETS AND/OR SHA2 HASHING ## ## WE USE SOCKETS FOR CORE SCRIPTS AND AIM TO USE TCP/SSL/SHA2 FOR WORDPRESS ## ## copy the default socket for keeps (might disappear during stop MySQL) ## # cp /var/run/mysqld /var/run/mysqld.bak ## put back socket # if [ ! -f "/var/run/mysqld/*sock" ]; then # mv /var/run/mysqld.bak /var/run/mysqld; # fi ## start the MySQL service again ## # systemctl unmask mysql.service # mysqld_safe --init-file=init-file.txt & # mysqld --init-file=init-file.txt & # /usr/sbin/mysqld --user=mysql --skip-grant-tables --init-file=/tmp/init-mysql.txt & # mysqld_safe --skip-grant-tables & # mysqld --init-file=/tmp/init-mysql.txt & # rm /tmp/init-mysql.txt* # ss_wget_slowest /tmp/init-mysql.txt http://mirrors.slickstack.io/mysql/init-mysql.txt # sed -i "s/@DB_PASSWORD_ROOT/${DB_PASSWORD_ROOT}/g" /tmp/init-mysql.txt # chown mysql:mysql /tmp/init-mysql.txt # chmod 0775 /tmp/init-mysql.txt ## start MySQL without authentication (safe mode) ## # mysqld --skip-grant-tables --user=mysql & # bin/mysqld --initialize-insecure --user=mysql ## start MySQL ## # mysql --skip-password ## grep "A temporary password" /var/log/mysqld.log ## caching_sha2_password requires TLS, sockets, or shared memory ## # mysql --flush-privileges -e "ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '${DB_PASSWORD_ROOT}';" # SELECT plugin from mysql.user where User='root'; # SELECT User,plugin from mysql.user where User='root'; # SELECT user,authentication_string,plugin,host FROM mysql.user; # SELECT user,authentication_string,plugin,host FROM mysql.user; #################################################################################################### #### SlickStack: External References Used To Improve This Script (Thanks, Interwebz) ############### #################################################################################################### ## Ref: https://github.com/littlebizzy/slickstack/issues/23 ## Ref: https://stackoverflow.com/questions/36301100/how-do-i-turn-off-the-mysql-password-validation ## Ref: https://dba.stackexchange.com/questions/4614/cannot-drop-anonymous-user-from-mysql-user ## Ref: https://www.networkinghowtos.com/howto/disable-remote-root-logins-into-mysql/ ## Ref: https://www.oreilly.com/library/view/mysql-in-a/9780596514334/re39.html ## Ref: https://stackoverflow.com/questions/36463966/when-is-flush-privileges-in-mysql-really-needed ## Ref: https://askubuntu.com/questions/210976/apt-get-remove-with-wildcard-removed-way-more-than-expected-why ## Ref: https://dev.mysql.com/doc/refman/8.0/en/grant.html ## Ref: https://geert.vanderkelen.org/2018/mysql8-unattended-dpkg/ ## Ref: https://stackoverflow.com/questions/50177216/how-to-grant-all-privileges-to-root-user-in-mysql-8-0 ## Ref: https://www.techiediaries.com/ubuntu/install-mysql-8-ubuntu-20-04/ ## Ref: https://kifarunix.com/install-mysql-8-on-ubuntu-20-04/ ## Ref: https://www.digitalocean.com/community/tutorials/how-to-install-mysql-on-ubuntu-20-04 ## Ref: https://mysqlserverteam.com/upgrading-to-mysql-8-0-default-authentication-plugin-considerations/ ## Ref: https://dba.stackexchange.com/questions/209514/what-is-mysql-native-password ## Ref: https://linuxconfig.org/how-to-reset-root-mysql-password-on-ubuntu-18-04-bionic-beaver-linux ## Ref: https://askubuntu.com/questions/1242142/mysql-install-error-database-files-are-locked-daemon-already-running-warning ## Ref: https://stackoverflow.com/questions/11657829/error-2002-hy000-cant-connect-to-local-mysql-server-through-socket-var-run ## Ref: https://askubuntu.com/questions/1242142/mysql-install-error-database-files-are-locked-daemon-already-running-warning ## Ref: https://www.digitalocean.com/community/questions/connecting-to-mysql-without-pw-can-t-connect-to-local-mysql-server-through-socket-var-run-mysqld-mysqld-sock-2 ## Ref: https://serverfault.com/questions/582866/mysql-socket-configuration-issue-in-my-cnf ## Ref: https://stackoverflow.com/questions/11990708/error-cant-connect-to-local-mysql-server-through-socket-var-run-mysqld-mysq ## Ref: https://medium.com/@aungzanbaw/how-to-reset-root-user-password-in-mysql-8-0-a5c328d098a8 ## Ref: https://stackoverflow.com/questions/49931541/mysql-changing-authentication-type-from-standard-to-caching-sha2-password ## Ref: https://stackoverflow.com/questions/35978228/how-to-solve-innodb-unable-to-lock-ibdata1-mysql-error ## Ref: https://bobcares.com/blog/innodb-unable-to-lock-ibdata1-error-11/ ## Ref: https://stackoverflow.com/questions/34954455/mysql-daemon-lock-issue/46779157 ## Ref: https://dev.mysql.com/doc/refman/8.0/en/data-directory-initialization.html ## Ref: https://dev.mysql.com/doc/refman/8.0/en/server-options.html ## Ref: https://dev.mysql.com/doc/refman/8.0/en/server-system-variables.html#sysvar_init_file ## Ref: https://www.pixelstech.net/article/1545701135-How-to-reset-root-password-in-MySQL-8 ## Ref: https://stackoverflow.com/questions/61430362/ubuntu-20-04-set-mysql-phpmyadmin-root-password ## Ref: https://www.cloudbooklet.com/how-to-install-mysql-on-ubuntu-20-04/ ## Ref: https://www.tecmint.com/reset-root-password-in-mysql-8/ ## Ref: https://dev.mysql.com/doc/refman/8.0/en/default-privileges.html ## Ref: https://serverfault.com/questions/500739/reinstall-mysql-and-keep-existing-database-tables-and-data ## Ref: https://askubuntu.com/questions/643251/having-trouble-installing-and-removing-mysql-in-ubuntu ## Ref: https://stackoverflow.com/questions/21620406/how-do-i-pause-my-shell-script-for-a-second-before-continuing ## Ref: https://subscription.packtpub.com/book/big_data_and_business_intelligence/9781788395809/1/ch01lvl1sec15/starting-or-stopping-mysql-8 ## Ref: http://dev.cs.ovgu.de/db/mysql/Common-errors.html ## Ref: https://stackoverflow.com/questions/50093144/mysql-8-0-client-does-not-support-authentication-protocol-requested-by-server ## Ref: https://stackoverflow.com/questions/49194719/authentication-plugin-caching-sha2-password-cannot-be-loaded ## Ref: https://docs.oracle.com/cd/E17952_01/mysql-8.0-en/upgrading-from-previous-series.html ## Ref: https://dev.mysql.com/doc/mysql-secure-deployment-guide/8.0/en/secure-deployment-configure-authentication.html ## Ref: https://phoenixnap.com/kb/access-denied-for-user-root-localhost ## Ref: https://www.sqlshack.com/how-to-install-mysql-on-ubuntu-18-04/ ## Ref: https://mysql.tutorials24x7.com/blog/reset-root-password-of-mysql ## Ref: https://phoenixnap.com/kb/how-to-reset-mysql-root-password-windows-linux ## Ref: https://www.oreilly.com/library/view/mysql-8-cookbook/9781788395809/7ea345a8-d753-48cd-a11b-8e6b6a06cacc.xhtml ## Ref: https://dev.mysql.com/doc/refman/8.0/en/resetting-permissions.html ## Ref: https://devanswers.co/install-secure-mysql-server-ubuntu-20-04/ ## Ref: https://mariadb.com/kb/en/pluggable-authentication-overview/ ## Ref: https://dev.mysql.com/doc/refman/8.0/en/connection-options.html ## Ref: https://stackoverflow.com/questions/41846000/mariadb-password-and-unix-socket-authentication-for-root ## Ref: https://www.percona.com/live/e18/sites/default/files/slides/Upgrading%20to%20MySQL%208.0%20and%20a%20More%20Automated%20Experience%20-%20FileId%20-%20159893.pdf ## Ref: https://superuser.com/questions/603026/mysql-how-to-fix-access-denied-for-user-rootlocalhost ## Ref: https://github.com/GoogleCloudPlatform/click-to-deploy/blob/master/vm/chef/cookbooks/mysql8-book/recipes/configure-apt-repo-version-8.0.rb ## Ref: https://dev.mysql.com/doc/mysql-apt-repo-quick-guide/en/ ## Ref: https://unix.stackexchange.com/questions/457388/how-to-find-out-the-variable-names-for-debconf-set-selections ## Ref: https://www.codementor.io/@slaith/setting-a-root-password-on-mysql-in-silent-mode-in-ubuntu-y6do6ug2u ## Ref: https://stackoverflow.com/questions/23358918/preconfigure-an-empty-password-for-mysql-via-debconf-set-selections ## Ref: https://forums.mysql.com/read.php?11,666369,666533#msg-666533 ## Ref: https://gist.github.com/ziadoz/dc935a0167c68fc23b4f35ee8593125f ## Ref: https://www.reddit.com/r/mysql/comments/3vch8p/uninstall_mysql_via_shell_without_prompt/ ## Ref: https://ubuntu.pkgs.org/19.10/ubuntu-main-amd64/mysql-server-8.0_8.0.17-0ubuntu2_amd64.deb.html ## Ref: https://serverfault.com/questions/813210/does-debconf-set-selections-automatically-deletes-values-from-debconf-database-o ## Ref: https://askubuntu.com/questions/399903/unattended-phpmyadmin-install-end-up-throwing-errors ## Ref: https://severalnines.com/database-blog/moving-mysql-57-mysql-80-what-you-should-know ## Ref: https://medium.com/@benmorel/remove-the-mysql-root-password-ba3fcbe29870 ## Ref: https://dev.mysql.com/doc/refman/8.0/en/validate-password-installation.html ## Ref: https://dev.mysql.com/doc/refman/8.0/en/default-privileges.html ## Ref: https://vander.host/knowledgebase/databases/cant-login-as-root-to-phpmyadmin-on-new-server-install/ ## Ref: https://devanswers.co/phpmyadmin-access-denied-for-user-root-localhost/ ## Ref: https://serverfault.com/questions/906490/mysql-rejects-connections-with-auth-socket ## Ref: https://bugs.mysql.com/bug.php?id=79269 ## Ref: https://php.watch/articles/PHP-7.4-MySQL-8-server-gone-away-fix ## Ref: https://stackoverflow.com/questions/39281594/error-1698-28000-access-denied-for-user-rootlocalhost ## Ref: https://stackoverflow.com/questions/52364415/php-with-mysql-8-0-error-the-server-requested-authentication-method-unknown-to ## Ref: https://www.digitalocean.com/community/tutorials/how-to-install-mysql-on-ubuntu-20-04-quickstart ## Ref: https://www.percona.com/blog/2016/03/16/change-user-password-in-mysql-5-7-with-plugin-auth_socket/ ## Ref: https://www.percona.com/blog/2019/11/01/use-mysql-without-a-password/ ## Ref: https://gist.github.com/jessuppi/ab5517aa50b3bc83ac37abb8267e005b ## Ref: https://dev.mysql.com/doc/refman/8.0/en/option-file-options.html ## Ref: https://docs.oracle.com/cd/E17952_01/mysql-5.6-en/mysqld-safe.html ## Ref: http://doc.mawan.de/dictionaries-common/README.problems ## Ref: https://askubuntu.com/questions/429512/dpkg-or-something-related-is-corrupted ## Ref: https://www.digitalocean.com/community/tutorials/how-to-configure-ssl-tls-for-mysql-on-ubuntu-18-04 ## Ref: https://dev.mysql.com/doc/refman/8.0/en/encrypted-connections.html ## Ref: https://unix.stackexchange.com/questions/47584/in-a-bash-script-using-the-conditional-or-in-an-if-statement ## Ref: https://vettabase.com/blog/the-risks-of-mysql-release-policy/ ## Ref: https://tldp.org/LDP/abs/html/comparison-ops.html ## Ref: https://forum.virtualmin.com/t/why-mysql-and-not-mariadb-on-ubuntu-20-04-virtualmin/107232/1 ## SS_EOF