Centos7 下安装mysql

#prepare for install

yum install http://dev.mysql.com/get/mysql-community-release-el7-5.noarch.rpm

 

#We can check that the repository is effectively active by running:

yum repolist enabled | grep "mysql.*-community.*"

 

# install mysql , 5.6.33

yum install mysql-community-server

 

# start mysql service 

systemctl start mysqld

 

#check mysql service's status

systemctl status mysqld

 

#connect from local 

mysql -u root

 

#modify password

set password=password("123");

 

#open 3306 port 

 

iptables-save > mysql_3306.conf

 

vim mysql_3306.conf

# add content into text;

-A INPUT -p tcp -m state --state NEW -m tcp --dport 3306 -j ACCEPT

 

iptables-restore < mysql_3306.conf