Docs/数据库/mysql/mysql5.7安装.md

1、查询系统中安装的mysql/mariadb版本

rpm -qa | grep mysql
rpm -qa | grep mariadb

2、卸载

rpm -e --nodeps mariadb-libs

3、安装mysql

# 以common -> libs -> client -> server顺序安装mysql
yum -y localinstall mysql-community-common-5.7.41-1.el7.x86_64.rpm
yum -y localinstall mysql-community-libs-5.7.41-1.el7.x86_64.rpm mysql-community-libs-compat-5.7.41-1.el7.x86_64.rpm
yum -y localinstall mysql-community-client-5.7.41-1.el7.x86_64.rpm
yum -y localinstall mysql-community-server-5.7.41-1.el7.x86_64.rpm

(选项)4、修改端口/数据目录

[mysqld]
port=3307
datadir=/data/mysql

5、启动mysql

systemctl start mysqld

6、查看初始密码

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

7、修改密码

mysql -u root -p
set password = password("xxxxxxxx");
flush privileges;