mysql 升级到5.4.5 centos

mysql 升级到5.4.5 centos

1. Change root user

su - ## OR ## sudo -i

2. Install Remi repository

## CentOS 6 and Red Hat (RHEL) 6 ## rpm -Uvh http://rpms.famillecollet.com/enterprise/remi-release-6.rpm

 

3. Check Available MySQL versions

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

Output:

Loaded plugins: changelog, fastestmirror, presto, refresh-packagekit ... remi | 3.0 kB 00:00 remi/primary_db | 106 kB 00:00 Available Packages mysql.i686 5.5.37-1.fc18.remi @remi mysql-server.i686 5.5.37-1.fc18.remi @remi

4. Update or Install MySQL 5.5.37

yum --enablerepo=remi install mysql mysql-server

 

5. Start MySQL server and autostart MySQL on boot

/etc/init.d/mysqld start ## use restart after update ## OR ## service mysqld start ## use restart after update   chkconfig --levels 235 mysqld on

 

6. MySQL Secure Installation

/usr/bin/mysql_secure_installation

 

7. Connect to MySQL database (localhost) with password

mysql -u root -p   ## OR ## mysql -h localhost -u root -p

 

8. Create Database, Create MySQL User and Enable Remote Connections to MySQL Database

## CREATE DATABASE ## mysql> CREATE DATABASE webdb;   ## CREATE USER ## mysql> CREATE USER 'webdb_user'@'10.0.15.25' IDENTIFIED BY 'password123';   ## GRANT PERMISSIONS ## mysql> GRANT ALL ON webdb.* TO 'webdb_user'@'10.0.15.25';   ##  FLUSH PRIVILEGES, Tell the server TO reload the GRANT TABLES  ## mysql> FLUSH PRIVILEGES;

大盘预测