- 检测系统是否已安装 mysql [root@localhost ~]# yum list installed | grep mysql
- 删除系统已安装的 mysql 及其依赖 [root@localhost ~]# yum -y remove mysql-libs.i686
- 给CentOS添加rpm源 wget http://repo.mysql.com//mysql-community-release-el6-5.noarch.rpm 4.安装yum源 [root@localhost ~]# yum install mysql-community-release-el6-5.noarch.rpm [root@localhost ~]# yum repolist all | grep mysql [root@localhost ~]# yum repolist all | grep mysql [root@localhost ~]# yum-config-manager --disable mysql55-community [root@localhost ~]# yum-config-manager --disable mysql56-community [root@localhost ~]# yum-config-manager --enable mysql57-community-dmr
- 安装 MySQL 服务端
[root@localhost ~]#yum install mysql-community-server
Dependency Installed:
mysql-community-client.x86_64 0:5.7.22-1.el6
mysql-community-common.x86_64 0:5.7.22-1.el6
mysql-community-libs.x86_64 0:5.7.22-1.el6
Complete! 看到以上结束语句，表示安装成功 6. 启动 mysql 服务 [root@localhost ~]# service mysqld start 查看启动是否成功： [root@localhost ~]# service mysqld status mysqld (pid 10698) 正在运行... 7. 修改 root 初始密码 我这里用的是安全模式下进入设置密码 [root@localhost ~]#service mysqld stop [root@localhost ~]#mysqld_safe –skip-grant-tables & 重新开一个终端输入一下命令，然后直接敲enterj键： [root@localhost ~]#mysql -uroot -p 进入之后，敲use mysql,用mysql数据库; 修改root用户密码 mysql> update user set authentication_string=password(123456) where user='root'; 注：mysql5.7的密码字段是authentication_string，不是password 刷新权限并退出 mysql> >flush privileges; mysql> >quit 重启mysql，用密码123456即可登录mysql [root@localhost ~]# service mysqld restart [root@localhost ~]# mysql -u root -p Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners.
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mysql> 出现以上内容，登录成功 8. 设置mysql开机启动 [root@localhost ~]# chkconfig mysqld on [root@localhost ~]# chkconfig mysqld status
