mysql5.1升级到mysql5.5

To list Old MySql

yum list installed | grep -i mysql

To remove Old MySql

yum remove mysql mysql-*

Remi Dependency on CentOS 6 and Red Hat (RHEL) 6

rpm -Uvh http://dl.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm

rpm -Uvh http://rpms.famillecollet.com/enterprise/remi-release-6.rpm

Install MySQL server

yum --enablerepo=remi,remi-test install mysql mysql-server

To list New MySql

yum list installed | grep -i mysql

start MySql server

/etc/init.d/mysqld start ## use restart after update

OR

service mysqld start ## use restart after update

chkconfig --levels 235 mysqld on

Last

mysql_upgrade -u root -p

Now my MySql version is 5.5.32

 

 

 

普通的升级会遇到如下问题：

 

mysql55w-libs-5.5.40-1.w5.x86_64 conflicts mysql-libs < 5.5

mysql55w-libs conflicts with mysql-libs-5.1.73-3.el6_5.x86_64