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centos8 yum 安装mysql8.0 | lanproxy

lanproxy部署centos8+java-1.8*+mysql8.0,是很稳定的。

安装mysql

获取官方下载地址 https://dev.mysql.com/downloads/repo/yum/
下载mysql安装包 :wget https://repo.mysql.com//mysql80-community-release-el8-1.noarch.rpm
将下载好的安装包挂载到本地: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 如果出现nogpgcheck错误
yum install mysql-community-server --nogpgcheck
启动mysql服务service mysqld start 查看mysql服务启动状态service mysqld status
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

修改mysql密码并开放远程连接

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'
安装mysql后第一次登录需要修改密码
ALTER USER 'root' @'localhost' IDENTIFIED BY '你的密码';
开放mysql远程访问
创建权限记录:
CREATE user 'root'@'%' IDENTIFIED BY 'root123';

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 '你的密码' PASSWORD EXPIRE NEVER;

重新修改密码:
ALTER USER 'root' @'%' IDENTIFIED WITH mysql_native_password BY '你的密码';

刷新权限:
FLUSH PRIVILEGES;
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