linux安装mysql
1.执行命令:
wget http://repo.mysql.com/mysql57-community-release-el7-10.noarch.rpm
2.执行命令:
rpm -Uvh mysql57-community-release-el7-10.noarch.rpm
3.执行命令:
yum install -y mysql-community-server

出现错误:you could try using --skip-broken to work around the problem|You could try running: rpm -Va --nofiles --nodigest
解决方法如下:
yum clean all
rpm --rebuilddb
yum update
4.启动命令:
systemctl start mysqld.service
查看状态命令:
systemctl status mysqld.service

5.获取临时密码:
grep 'temporary password' /var/log/mysqld.log

6.通过临时密码登录MySQL,进行修改密码操作
mysql -uroot -p
使用临时密码登录后,不能进行其他的操作,否则会报错,这时候我们进行修改密码操作
7.因为MySQL的密码规则需要很复杂,我们一般自己设置的不会设置成这样,所以我们全局修改一下
mysql> set global validate_password_policy=0;
mysql> set global validate_password_length=1;

8.这时候我们就可以自己设置想要的密码了
ALTER USER 'root'@'localhost' IDENTIFIED BY 'yourpassword';
9.授权其他机器远程登录
GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'yourpassword' WITH GRANT OPTION;
FLUSH PRIVILEGES;
10.开启开机自启动
先退出mysql命令行,然后输入以下命令
systemctl enable mysqld
systemctl daemon-reload

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