1.安裝mysql-5.5的yum源
rpm -ivh http://repo.mysql.com/yum/mysql-5.5-community/el/6/x86_64/mysql-community-release-el6-5.noarch.rpm
要安裝MySQL5.6的可以安裝:
rpm -ivh http://repo.mysql.com/mysql-community-release-el6.rpm
最新的yum源可以去http://dev.mysql.com/downloads/repo/yum下載
2.修改安裝好的yum源
編輯 /etc/yum.repos.d/mysql-community.repo文件,將5.5的enabled改爲1,5.6的enabled改爲0
# Enable to use MySQL 5.5
[mysql55-community]
name=MySQL 5.5 Community Server
baseurl=http://repo.mysql.com/yum/mysql-5.5-community/el/6/$basearch/
enabled=1
gpgcheck=1
gpgkey=file:/etc/pki/rpm-gpg/RPM-GPG-KEY-mysql
# Enable to use MySQL 5.6
[mysql56-community]
name=MySQL 5.6 Community Server
baseurl=http://repo.mysql.com/yum/mysql-5.6-community/el/6/$basearch/
enabled=0
gpgcheck=1
gpgkey=file:/etc/pki/rpm-gpg/RPM-GPG-KEY-mysql
3.安裝mysql-5.5
yum install mysql-community-client mysql-community-devel mysql-community-server php-mysql
4.調整配置
編輯 /etc/my.cnf 文件
innodb_file_per_table=1 設置InnoDB爲獨立表空間模式,每個數據庫的每個表都會生成一個數據目錄
innodb_buffer_pool_size= 默認值:128M,設置爲操作系統內存的70%-80%最佳
5、下面這條命令設置開機自啓動,省的我們每次開機就去啓動一下mysql了。
chkconfig --levels 345 mysqld on
原始帳號和密碼 root root