centos7安装MySQL - icorgi's blog

版本：CentOS Linux release 7.7.1908 (Core)

设置MySQL安装源

rpm -Uvh  http://dev.mysql.com/get/mysql57-community-release-el7-9.noarch.rpm

安装MySQL

yum -y install mysql-community-server

设为启动项并启动mysql

systemctl enable mysqld
systemctl start mysqld

修改MySQL默认密码

mysql安装完成之后，在/var/log/mysqld.log文件中给root生成了一个默认密码。
找到root默认密码，然后登录mysql进行修改

cat /var/log/mysqld.log | grep "A temporary password is generated"
显示：[Note] A temporary password is generated for root@localhost: xxxx
mysql -uroot -pxxxx
mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY 'Abc.com123';

设置MySQL编码

vim /etc/my.cnf
[mysqld]
character_set_server=utf8
init_connect='SET NAMES utf8'

重启MySQL

systemctl restart mysqld