Linux_Centos7.7_Mysql_install
2020-08-11 23:09
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一、centos7.7下安装mysql
1.1 去官网下载仓库(官方推荐安装方式)
1.2 修改安装配置:
vim /etc/yum.repos.d/mysql-community.repo
将mysql8.0下的enabled=1修改为enabled=0
1.3 将以下内容放到配置文件下
[mysql57-community] name=MySQL 5.7 Community Server baseurl=http://repo.mysql.com/yum/mysql-5.7-community/el/7/$basearch/ enabled=1 gpgcheck=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql
#这样下载安装的时候就会选择5.7版本下载,如果不设置将下载最新版本
1.4 下载安装mysql:
yum install mysql -y
1.5 启动mysql:
systemctl start mysqld
1.6 查看是否启动:
ps -aux | grep -v grep | grep mysql
1.7 查看mysql版本:
mysql --version
1.8 查看初始化密码:
cat /var/log/mysqld.log | grep password
1.9 登录:
mysql --uroot -p
2.0 修改密码:
alter user root@localhost identified with mysql_native_password by '密码';
2.1 退出:
\q或者
exit
2.2 忘记密码的话打开文件:
vim /etc/my.cnfG + i 写入skip-grant-tables
重启
systemctl start mysqld登录
mysql -uroot修改密码 update mysql.user set authentication__string=password(‘密码’) where user=‘root’; 返回my.cnf文件,删除skip-grant-tables 在重新启动登录即可
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