April 21, 2015

upgrade mysql version on linux server

You can upgrade your mysql version from 5.0 to 5.5 by using following steps

1. Enable remi repository for yum

wget http://dl.fedoraproject.org/pub/epel/5/i386/epel-release-5-4.noarch.rpm
wget http://rpms.famillecollet.com/enterprise/remi-release-5.rpm
sudo rpm -Uvh remi-release-5*.rpm epel-release-5*.rpm

2. Run mysqldump to export data out from MySQL 5.0

mysqldump -uroot -p –all-databases > mysqlbackup.sql

3. Run ‘yum –enablerepo=remi install mysql mysql-server mysqlclient’

4. Run mysql_upgrade (part of mysql-server.rpm) to clean up the upgraded package

mysql_upgrade -u root -p

5. Adjust my.cnf (version 5.0) for version 5.5

6. Restart MySQL if needed


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