linux 安装mysql

操作系统:centos7
mysql版本: mysql-8.0.16-el7-x86_64.tar.gz
配置文件: my.cnf

Mysql 8.0.5 提示 consider upgrading MySQL client 解决方法
USE mysql;
ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'password';
FLUSH PRIVILEGES;

1.安装前准备:
rpm -qa|grep mariadb 查看是否安装mariadb
如果存在，
用rpm -e --nodeps mariadb-libs-5.5.60-1.el7_5.x86_64 卸载

2.创建mysql组与用户

groupadd mysql
useradd -g mysql mysql

3.初始化mysql
/usr/local/mysql/bin/mysqld --initialize --user=mysql --basedir=/usr/local/mysql/ --datadir=/usr/local/mysql/data/

4.初始化权限问题：
chown -R mysql:mysql /tmp/mysql
5.修改密码:
5.1service mysqld start --skip-grant-tables
5.2 mysql命令进入mysql窗口
5.3 ALTER USER 'root'@'localhost' IDENTIFIED BY '你的密码';
5.4 重启服务 systemctl restart mysql.service

5.5 允许远程访问
ALTER USER ‘root’@’%’ IDENTIFIED WITH mysql_native_password BY ‘你的密码’;
FLUSH PRIVILEGES;