How to install and uninstall mysql in linux

How to install and uninstall mysql in linux
Install mysql

1. yum list | grep mysql // view the downloadable mysql database version provided on yum

2. yum install-y mysql-server mysql-devel // yum install mysql

3. service mysqld start // start mysql

4. mysqladmin-u root password '200' // set the User password

5. Set mysql users

Mysql> use mysql;

Mysql> update user set password = password ('000000') where user = 'root' and host = 'localhost ';

Mysql> flush privileges;

6. chkconfig mysqld on // set startup

7. chkconfig -- list | grep mysql // view the startup status

8. grant all privileges on *. * TO root @ '%' identified by '000000' with grant option; // allow remote connection

Uninstall mysql

1. Uninstall the program

Rpm-qa | grep-I mysql // view installed mysql

Rpm-ev MySQL-client-5.5.25a-1.rhel5 // uninstall to view results in the list

Rpm-ev MySQL-client-5.5.25a-1.rhel5 -- nodeps // use the force uninstall command if an error is reported

Rpm-e -- noscripts MySQL-client-5.5.25a-1.rhel5 // if an error is returned, try this command

2. Find a directory and delete all files under the Directory

Find/-name mysql // find all mysql-Related Files

Rm-rf/var/lib/mysql // remove the files in the search results one by one

3. Delete the configuration file

Rm-rf/etc/my. cnf // Delete the configuration file that is not in the list above

4. Check whether the uninstallation is complete

Find/-name mysql

Rpm-qa | grep-I mysql

If they are empty, the operation is complete.