centos6.5 mysql8.0.11安装

1.下载：https://dev.mysql.com/downloads/mysql/

2. 卸载系统自带的mysql

rpm -qa | grep mysql

如果系统有，删除：rpm -e --nodeps mysql-libs-5.1.71-1.el6.x86_64

3. 下载的文件移动至Linux服务器目录下，解压

mkdir /usr/local/mysql

mkdir /usr/local/data

tar zxvf mysql-8.0.11-linux-glibc2.12-x86_64.tar.gz -C /usr/local/mysql/

创建mysql用户组和mysql用户，并使mysql是目录/usr/local/mysql的拥有者

groupadd mysql

useradd -r -g mysql mysql

chown -R mysql:mysql /usr/local/mysql

4. 初始化数据库，生成root@localhost和密码，把密码记下

/usr/local/mysql/bin/mysqld --initialize --user=mysql --basedir=/usr/local/mysql/ --datadir=/usr/local/mysql/data/

5. 启动mysql服务，检查服务是否启动成功

/usr/local/mysql/bin/mysqld_safe --user=mysql & //启动

ps -ef | grep mysql //查看mysql服务进程

6. 修改密码及远程登陆

/usr/local/mysql/bin/mysql -u root -p

输入刚刚生成的临时密码

use mysql;

ALTER USER 'root'@'localhost' IDENTIFIED BY '123456'; //修改密码

update user set host = '%' where user = 'root'; //允许远程访问

解决Navicat 连接报 1251 错误

出现这个原因是mysql8 之前的版本中加密规则是mysql_native_password,而在mysql8之后,加密规则是caching_sha2_password, 解决问题方法有两种,一种是升级navicat驱动,一种是把mysql用户登录密码加密规则还原成mysql_native_password.

LTER USER 'root' IDENTIFIED BY 'password' PASSWORD EXPIRE NEVER; //修改加密规则

ALTER USER 'root' IDENTIFIED WITH mysql_native_password BY '123456'; //更新一下用户的密码

FLUSH PRIVILEGES; #刷新权限

7. 将mysql服务加到系统服务中

cp -a /usr/local/mysql/support-files/mysql.server /etc/init.d/mysqld

chmod +x /etc/rc.d/init.d/mysqld

chkconfig --add mysqld

检查是否生效

chkconfig --list mysqld

以后就可以使用service命令控制mysql的启动和停止，命令为：service mysqld start和service mysqld stop

8. 配置环境变量

vi /etc/profile //最后添加

PATH=/usr/local/mysql/bin:/usr/local/mysql/lib:$PATH

source /etc/profile //立即生效