1.
yum -y install gcc+ gcc-c++
2.
yum -y install pcre-devel
3.
yum install -y zlib-devel
4.
cd /home/mysql
5.
wget http://repo.mysql.com/mysql57-community-release-el7-8.noarch.rpm
6.
rpm -ivh mysql57-community-release-el7-8.noarch.rpm
7.
yum -y install mysql-server
8.编辑配置文件my.cnf
vi /etc/my.cnf
修改以下内容
datadir=/home/mysql/data
配置mysql的数据存放位置
lower_case_table_names=1
不区分大小写
9.启动mysql服务
systemctl start mysqld
或
service mysqld restart
10.设置开机启动
systemctl enable mysqld
systemctl daemon-reload
11.mysql安装完成之后，在/var/log/mysqld.log文件中给root生成了一个临时的默认密码
grep "password" /var/log/mysqld.log
12.登陆mysql
mysql -u root -p${生成的临时密码}
13.登陆成功后修改密码策略
set global validate_password_policy=0;
set global validate_password_length=1;
ALTER USER 'root'@'localhost' IDENTIFIED BY '${设置的密码}';
修改密码
GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '${设置的密码}' WITH GRANT OPTION;
允许远程登陆
FLUSH PRIVILEGES;
刷新权限
exit;
退出mysql
14.开放mysql默认端口3306
firewall-cmd --zone=public --add-port=3306/tcp --permanent
firewall-cmd --reload