Thoroughly uninstall mysql in Linux

Thoroughly uninstall mysql in Linux

1. Run the following command to check whether mysql is installed.

rpm -qa|grep -i mysql 

As shown in:

It is shown that the previous installation is:

MySQL-client-5.5.25a-1.rhel5

MySQL-server-5.5.25a-1.rhel5

2. Stop the mysql service and delete the previously installed mysql

DELETE command:Rpm-e-nodeps package name

rpm -ev MySQL-client-5.5.25a-1.rhel5 rpm -ev MySQL-server-5.5.25a-1.rhel5 

If a dependency package error is prompted, use the following command to try

rpm -ev MySQL-client-5.5.25a-1.rhel5 --nodeps 

If an error is prompted:error: %preun(xxxxxx) scriptlet failed, exit status 1

Run the following command:

rpm -e --noscripts MySQL-client-5.5.25a-1.rhel5 

3. Search for the directories of earlier mysql versions and delete the files and libraries of earlier mysql versions.

find / -name mysql

The search result is as follows:

find / -name mysql /var/lib/mysql/var/lib/mysql/mysql/usr/lib64/mysql

Delete the corresponding mysql directory

rm -rf /var/lib/mysqlrm -rf /var/lib/mysqlrm -rf /usr/lib64/mysql

Perform specific steps to find and delete the Directory

Note:After uninstallation,/etc/my. cnf will not be deleted and must be manually deleted.

rm -rf /etc/my.cnf 

4. Check whether mysql is installed on the machine again.

rpm -qa|grep -i mysql 

Summary

If no result is displayed, it indicates that the installation is complete. then install mysql directly. The above is all the content of this article. I hope the content of this article will help you in your study or work. If you have any questions, please leave a message. Thank you for your support.