![\"How](\"https:\/\/webhostinggeeks.com\/howto\/wp-content\/uploads\/2023\/10\/How-to-Uninstall-MySQL-on-Ubuntu-1024x878.jpg\")
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MySQL is one of the most popular relational database management systems (RDBMS) used worldwide. However, there might be instances where you need to uninstall it, perhaps to reinstall a fresh version, free up space, or switch to another RDBMS.<\/p>\n
This guide will walk you through the process of uninstalling MySQL from an Ubuntu<\/a> system. Before proceeding, it’s essential to back up any crucial data.<\/p>\n Let’s get started.<\/p>\n Before uninstalling MySQL, ensure you’ve backed up all your databases. Data loss is irreversible, so this step is crucial.<\/p>\n Before you can uninstall MySQL, you need to stop the service:<\/p>\n Now, uninstall MySQL by purging the MySQL-server package:<\/p>\n To remove all the packages that were installed with MySQL but are no longer used, you can use the autoremove command:<\/p>\n Then, to remove all configuration and database files, you can purge the MySQL library:<\/p>\n You can also remove the MySQL user and group:<\/p>\n If you want to remove all MySQL configuration and database files, be sure you’ve backed up your data and then:<\/p>\n Note: The version number (5.7 in this case) might differ based on the version you have installed.<\/p>\n To remove dependencies used by MySQL but not used by other applications:<\/p>\n Finally, update the repository information:<\/p>\n Why would I need to uninstall MySQL?<\/p>\n \n There are several reasons, including freeing up space, reinstalling a fresh version, troubleshooting issues, or switching to another RDBMS.<\/span>\n <\/p>\n<\/li>\n Is it safe to uninstall MySQL?<\/p>\n \n Yes, but always back up your data first to prevent any data loss.<\/span>\n <\/p>\n<\/li>\n What happens to my databases when I uninstall MySQL?<\/p>\n \n If you don’t back up your databases, they will be deleted when you uninstall MySQL.<\/span>\n <\/p>\n<\/li>\n Can I reinstall MySQL after uninstalling it?<\/p>\n \n Yes, you can reinstall MySQL anytime after uninstalling it.<\/span>\n <\/p>\n<\/li>\n Are there alternatives to MySQL?<\/p>\n \n Yes, there are many RDBMS alternatives like PostgreSQL, MariaDB, SQLite, and Microsoft SQL Server.<\/span>\n <\/p>\n<\/li>\n<\/ol>\n Uninstalling MySQL from Ubuntu is a straightforward process, but it’s essential to be cautious. Always ensure you’ve backed up your data before making any significant changes to your system.<\/p>\n If you’re considering other hosting solutions after uninstalling MySQL, don’t forget to explore options like dedicated server hosting<\/a> or VPS server hosting<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":" MySQL is one of the most popular relational database management systems (RDBMS) used worldwide. However, there might be instances where you need to uninstall it, perhaps to reinstall a fresh…<\/p>\n","protected":false},"author":6,"featured_media":19236,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"wds_primary_category":0,"footnotes":""},"categories":[1008,1073],"tags":[1585,1856],"class_list":["post-19235","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mysql","category-ubuntu","tag-mysql","tag-ubuntu"],"_links":{"self":[{"href":"https:\/\/webhostinggeeks.com\/howto\/wp-json\/wp\/v2\/posts\/19235","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/webhostinggeeks.com\/howto\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/webhostinggeeks.com\/howto\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/webhostinggeeks.com\/howto\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/webhostinggeeks.com\/howto\/wp-json\/wp\/v2\/comments?post=19235"}],"version-history":[{"count":0,"href":"https:\/\/webhostinggeeks.com\/howto\/wp-json\/wp\/v2\/posts\/19235\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/webhostinggeeks.com\/howto\/wp-json\/wp\/v2\/media\/19236"}],"wp:attachment":[{"href":"https:\/\/webhostinggeeks.com\/howto\/wp-json\/wp\/v2\/media?parent=19235"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/webhostinggeeks.com\/howto\/wp-json\/wp\/v2\/categories?post=19235"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/webhostinggeeks.com\/howto\/wp-json\/wp\/v2\/tags?post=19235"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Step 1: Backup Your Data<\/h2>\n
\r\nsudo mysqldump -u root -p --all-databases > all_databases.sql\r\n<\/pre>\n
Step 2: Stop the MySQL Service<\/h2>\n
\r\nsudo systemctl stop mysql.service\r\n<\/pre>\n
Step 3: Remove MySQL Packages<\/h2>\n
\r\nsudo apt-get purge mysql-server mysql-client mysql-common mysql-server-core-* mysql-client-core-*\r\n<\/pre>\n
\r\nsudo apt-get autoremove\r\n<\/pre>\n
\r\nsudo apt-get purge libmysqlclient18\r\n<\/pre>\n
Step 4: Remove MySQL User and Group<\/h2>\n
\r\nsudo deluser mysql\r\nsudo delgroup mysql\r\n<\/pre>\n
Step 5: Remove MySQL Configuration and Database Files<\/h2>\n
\r\nsudo rm -rf \/etc\/mysql \/var\/lib\/mysql\r\nsudo apt-get purge mysql-server-core-5.7\r\nsudo apt-get purge mysql-client-core-5.7\r\n<\/pre>\n
Step 6: Remove MySQL Dependencies<\/h2>\n
\r\nsudo apt-get autoremove\r\n<\/pre>\n
Step 7: Update Repository Information<\/h2>\n
\r\nsudo apt-get update\r\n<\/pre>\n
Commands Mentioned<\/h2>\n
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FAQ<\/h2>\n
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Conclusion<\/h2>\n