centos安装mysql

1、下载mysql

wget -i -c http://dev.mysql.com/get/mysql57-community-release-el7-10.noarch.rpm

2、yum安装

yum -y install mysql57-community-release-el7-10.noarch.rpm

3、安装MySQL服务器

yum -y install mysql-community-server

4、启动mysql

systemctl start  mysqld.service

5、查看状态

systemctl status mysqld.service

6、查看密码并修改

grep "password" /var/log/mysqld.log

root@localhost:后边的几位是密码

#进入数据库
mysql -uroot -p
#修改密码  注意:密码设置必须要大小写字母数字和特殊符号（,/';:等）
ALTER USER 'root'@'localhost' IDENTIFIED BY 'new password';

7、开启mysql的远程访问

注意 % 代表所有
grant all privileges on *.* to 'root'@'%' identified by 'password' with grant option;
flush privileges; 
exit

8、开启端口

firewall-cmd --zone=public --add-port=3306/tcp --permanent
#重启防火墙
firewall-cmd --reload

9、修改编码

退出mysql 进入etc目录下my.cnf

vim /etc/my.cnf
#添加
[client]
default-character-set=utf8
character-set-server=utf8
collation-server=utf8_general_ci
#重启mysql
systemctl restart mysqld.service