centos 6.8安装mysql5.6

安装mysql

官方文档 A Quick Guide to Using the MySQL Yum Repository

下载 Yum Repository

Go to the Download MySQL Yum Repository page (http://dev.mysql.com/downloads/repo/yum/) in the MySQL Developer Zone.
选择对应系统版本下载rpm(mysql80-community-release-el6-1.noarch.rpm)

$ wget https://repo.mysql.com//mysql80-community-release-el6-1.noarch.rpm

安装 Yum Repository

$ sudo rpm -Uvh mysql80-community-release-el6-n.noarch.rpm

安装mysql

#选择一个版本安装
$ yum repolist all | grep mysql
#关闭8.0开启5.6
$ sudo yum-config-manager --disable mysql80-community
$ sudo yum-config-manager --enable mysql56-community

除了使用yum-config-manager或 dnf config-manager命令外,还可以通过手动编辑/etc/yum.repos.d/mysql-community.repo 文件来选择;
编辑enabled选项 指定 enabled=0禁用，或 enabled=1启用

#检查版本选对了没
$ yum repolist enabled | grep mysql
mysql-connectors-community  MySQL Connectors Community                        48
mysql-tools-community       MySQL Tools Community                             46
mysql56-community           MySQL 5.6 Community Server                       263

#安装
$ sudo yum install mysql-community-server
#启动
$ sudo service mysqld start
#centos7使用
#sudo systemctl start mysqld.service
#查看状态
$ sudo service mysqld status
#sudo systemctl status mysqld.service
#使用mysqladmin修改密码
$ mysqladmin -u root password "newpass"