Linux下安装Mysql

Mysql下载网址→下载地址

1.选择对应Mysql版本和安装系统与是否是64位

2.将压缩包移到Linux虚拟机上并解压

解压后目录

执行 rpm -ivh  mysql-community-server-5.7.30-1.el7.x86_64.rpm --force --nodeps 

执行 rpm -ivh mysql-community-client-5.7.30-1.el7.x86_64.rpm --force --nodeps

 

3.使用命令启动mysql并查看状态

systemctl start mysqld.service 启动

service mysqld status  查看状态

 4.查看初始化密码并修改密码

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

5.7版本修改密码想设置123456这种必须执行下面命令

set global validate_password_policy=0;

set global validate_password_length=1;

然后修改密码

alter user 'root'@'localhost' identified by '新密码';

5.设置开机自启动和远程访问连接

systemctl enable mysqld

登录mysql

systemctl enable mysqld

输入   GRANT ALL ON *.* TO admin@'localhost'  IDENTIFIED BY 'admin' WITH GRANT OPTION; 

然后刷新权限  flush privileges;