- 检查是否有自带MySQL
[root@192 ~]# rpm -qa | grep mysql
[root@192 ~]# rpm -qa | grep mariadb
mariadb-libs-5.5.56-2.el7.x86_64
- 出现有自带的软件,需进行卸载
[root@192 ~]# yum -y remove mariadb-libs-5.5.56-2.el7.x86_64
- 安装wget
[root@192 ~]# yum -y install wget
- 下载mysql rpm
[root@192 ~]# wget https://dev.mysql.com/get/mysql57-community-release-el7-9.noarch.rpm
- 安装rpm
[root@192 ~]# rpm -ivh mysql57-community-release-el7-9.noarch.rpm
- 安装mysql server
[root@192 ~]# yum -y install mysql-community-server
安装时间,最后提示GPG key相关的问题的时间,可以在安装命令的最后增加不验证key 的命令
[root@192 ~]# yum -y install mysql-community-server --nogpgcheck
- 启动和查看mysql
[root@192 ~]# systemctl start mysqld.service
查看mysql运行状态
[root@192 ~]# systemctl status mysqld.service
- 至此安装完成,下一步设置root密码
- 获取安装时的临时密码,并登录
grep "password" /var/log/mysqld.log
登录:
mysql -u root -p 上述密码
- 修改密码
SET PASSWORD = PASSWORD('Xq123456*');
ALTER USER 'root'@'localhost' PASSWORD EXPIRE NEVER;
flush privileges;
- 设置远程访问mysql的权限
grant all privileges on *.* to root@"%" identified by "Xq123456*";
flush privileges;
- 查看防火墙状体和关闭防火墙
systemctl status firewalld.service
关闭防火墙
systemctl stop firewalld.service
- mysql客户端链接mysql,成功