centos8 yum 安装mysql8
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获取官方下载地址 https://dev.mysql.com/downloads/repo/yum/
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下载mysql安装包 :wget https://repo.mysql.com//mysql80-community-release-el8-1.noarch.rpm
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将下载好的安装包挂载到本地 找个路径放 cd /home/package
yum localinstall mysql80-community-release-el8-1.noarch.rpm -
查看是否挂载成功
yum repolist enabled | grep “mysql.-community.” -
禁用centos8.0自带的mysql模块
yum module disable mysql -
安装mysql:yum install mysql-community-server
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启动mysql服务
systemctl mysqld start -
查看mysql服务启动状态
systemctl mysqld status -
查看mysql安装时生成的随机密码
grep ‘temporary password’ /var/log/mysqld.log -
登录mysql
mysql -uroot -p’刚获取到的随机密码’ -
修改登录密码
ALTER USER ‘root’ @‘localhost’ IDENTIFIED BY ‘您的密码’;
出现这个问题,表示密码过于简单
ERROR 1819 (HY000): Your password does not satisfy the current policy requirements -
开放mysql远程访问
创建权限记录:
CREATE user ‘root’@’%’ IDENTIFIED BY ‘您的密码’;
授权:
GRANT ALL PRIVILEGES ON . TO ‘root’ @’%’ WITH GRANT OPTION;
修改密码过期策略:
ALTER USER ‘root’ @‘localhost’ IDENTIFIED BY ‘您的密码’ PASSWORD EXPIRE NEVER;
重新修改密码:
ALTER USER ‘root’ @’%’ IDENTIFIED WITH mysql_native_password BY ‘您的密码’;
刷新权限:
FLUSH PRIVILEGES;
相关命令
mysql服务相关命令
启动服务:service mysqld start
停止服务:service mysqld stop
重启服务:service mysqld restart
查看服务状态:service mysqld status
设置mysql开机自启:
systemctl enable mysqld
systemctl daemon-reload
查看自启服务
systemctl list-units --type=service
本文介绍如何在CentOS8上使用yum安装MySQL8,包括下载安装包、配置及安装MySQL服务、启动与验证服务状态、修改默认密码、设置远程访问等步骤,并提供了常用的MySQL服务管理命令。
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