linux（redhat | centos）安装mysql5.7

1、首先先卸载已安装的mysql

先停掉mysql服务

# service mysql status
 MySQL running (25673)[  OK  ]
# service mysql stop
 Shutting down MySQL..[  OK  ]
# service mysql status
 MySQL is not running[FAILED]

https://blog.csdn.net/wuwang0823/article/details/80171579

2、然后安装mysql

https://blog.csdn.net/weixin_42240930/article/details/83987496

3、首次登录修改默认密码

https://blog.csdn.net/jichuang123/article/details/62224187

 

补充知识：快速查看默认密码的命令

grep "temporary password" /var/log/mysqld.log

 

修改密码的3个方法：

https://blog.csdn.net/xuheng8600/article/details/80034647

4、设置远程访问

mysql默认是root@localhost访问，我要改为root@% 。 %代表任意ip ，与like用法一样

https://blog.csdn.net/cxin917/article/details/76686227