CentOS7安装mysql

sudo yum remove mariadb* -y

sudo yum install vim -y
sudo mkdir /home/mysql
cd /home/mysql

sudo wget http://repo.mysql.com/mysql-community-release-el7-5.noarch.rpm
sudo rpm -ivh mysql-community-release-el7-5.noarch.rpm
sudo yum update -y
sudo yum install mysql-server -y
sudo systemctl start mysqld
sudo service mysql start
mysqladmin -u root password "root123"


sudo systemctl stop firewalld.service
sudo systemctl disable firewalld.service
sudo yum install iptables-services -y
sudo systemctl enable iptables


sudo iptables -I INPUT -p tcp --dport 3306 -j ACCEPT

grant all privileges on *.* to 'root'@'%' identified by 'root123';
flush privileges;

sudo netstat -lntp | grep 3306