centos8安装mysql8

centos8安装mysql8

1.准备工作

配置centos国内yum源 参考官方文档

• 1.备份：

mv /etc/yum.repos.d/CentOS-Linux-BaseOS.repo /etc/yum.repos.d/CentOS-Base.repo.backup

• 2.下载新的 CentOS-Base.repo 到 /etc/yum.repos.d/

wget -O /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-vault-8.5.2111.repo

• 3.修改文件CentOS-Linux-AppStream.repo
  • 查看CentOS-Linux-BaseOS.repo
  • 复制CentOS-Linux-BaseOS.repo中[AppStream]中的内容
  • 将复制的内容替换CentOS-Linux-AppStream.repo中的内容
• 4.运行 yum makecache 生成缓存

yum makecache

2.开始安装

官方文档

wget https://dev.mysql.com/get/mysql80-community-release-el7-3.noarch.rpm
rpm -Uvh https://dev.mysql.com/get/mysql80-community-release-el7-3.noarch.rpm
yum module disable mysql
yum install mysql-community-server --nogpgcheck

3.mysql设置

• 启动mysql

  service mysqld start
  

• 查看状态

  service mysqld status
  

• 查看默认密码，找个地方记住一会要登陆

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

• 进入mysql

  mysql -u root -p
  

• 设置密码为123456

  ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '123456';
  flush privileges;
  

• 修改localhost，以便主机连接

  use mysql;
  update user set host = '%' where user = 'root';
  flush privileges;
  

• 设置root权限

  GRANT ALL ON *.* TO 'root'@'%' ;
  flush privileges;
  

• 退出

  exit
  

• 重启mysql

  service mysqld restart