How to uninstall MySQL 5.7 on CentOS7

Check what is installed in mysql

rpm -qa | grep -i mysql

If a null value is returned, it means that mysql is not installed.

If the following situation is returned, it means that mysql

uninstall

yum remove mysql-community-common-5.7.27-1.el7.x86_64
yum remove mysql57-community-release-el7-8.noarch
yum remove mysql-community-server-5.7.27-1.el7.x86_64
yum remove mysql-community-client-5.7.27-1.el7.x86_64
yum remove mysql-community-libs-5.7.27-1.el7.x86_64

Check whether it is uninstalled cleanly

rpm -qa | grep -i mysql

Find the directory of mysql

find / -name mysql

delete

rm -rf /usr/lib64/mysql
rm -rf /usr/share/mysql
...

Note: /etc/my.cnf will not be deleted after uninstallation and needs to be deleted manually

rm -rf /etc/my.cnf 

Delete /var/log/mysqld.log (If you do not delete this file, the newly installed mysql will not be able to save the new password, resulting in failure to log in)

rm -rf /var/log/mysqld.log

This is the end of this article about how to uninstall MySQL 5.7 on CentOS 7. For more information about how to uninstall MySQL 5.7 on CentOS 7, please search for previous articles on 123WORDPRESS.COM or continue to browse the following related articles. I hope you will support 123WORDPRESS.COM in the future!