Minggu, 25 September 2016

Install Uninstall MySQL Packages

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Step 1: Uninstall MySQL Packages
First uninstall all the MySQL packages installed on your server
 # yum remove mysql mysql-server
Step 2: Romove MySQL Directory
Now we need to remove MySQL data directory from system which by default exists at/var/lib/mysql. If you didn’t find this, It may be changed to some other place, which you can find in my.cnf file with variable datadir. Delete the /var/lib/mysql directory from system but we prefer to rename it to keep a backup of existing files.
 # mv /var/lib/mysql /var/lib/mysql_old_backup
Step 3: Install MySQL Packages Again
After removing MySQL completely, install it again using yum package manager, It will re create mysql directory under /var/lib/.
# yum install mysql mysql-server
After completing above three steps, now you have a fresh MySQL install on your system with new settings.

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