Completely uninstall mysql under linux
1. Find out if mysql was installed before
command: rpm -qa|grep -i mysql
Description:
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
3. Find the directory of the previous version of mysql, and delete the files and libraries of the old version of mysql
find / -name mysql
The search results are as follows:
[root@localhost ~]# find / -name mysql
/var/lib/mysql
/var/ lib/mysql/mysql
/usr/lib64/mysql
delete the corresponding mysql directory
rm -rf /var/lib/mysql
rm -rf /var/lib/mysql
rm -rf /usr/lib64/mysql
find the directory and delete it
NoteAfter /etc/my.cnf will not be deleted, it needs to be deleted manually
rm -rf /etc/my.cnf
4. Check again whether mysql is installed on the machine
rpm -qa|grep -i mysql
has no result, indicating that it has been uninstalled completely, then install mysql directly
Uninstall mysql under linux
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