1.检查服务器自带的mysql
yum list installed|grep mysql
2.移除mysql,以免重新安装冲突
yum remove 自带的mysql名
3. 下载mysql的yum源
CentOS6的MySQL:wget https://dev.mysql.com/get/mysql80-community-release-el6-3.noarch.rpm
CentOS7的MySQL:wget https://dev.mysql.com/get/mysql80-community-release-el7-3.noarch.rpm
4. 安装rpm包,安装之后,会获得两个mysql的yum repo源:/etc/yum.repos.d/mysql-community.repo,/etc/yum.repos.d/mysql-community-source.repo。
sudo rpm -ivh mysql-community-release-el7-5.noarch.rpm
5. 安装mysql
sudo yum install mysql-server
6.启动mysql服务器
service mysqld start
7.重置密码:默认root账号没有密码
mysql -u root
mysql > use mysql;
mysql > update user set password=password('123456') where user='root';
mysql > flush privileges;
mysql > exit;
8. 开放3306端口
sudo vim /etc/sysconfig/iptables
添加以下内容:
-A INPUT -p tcp -m state --state NEW -m tcp --dport 3306 -j ACCEPT
保存后重启防火墙:sudo
service iptables restart
这样从其它客户机也可以连接上mysql服务了。