CentOS7关闭防火墙关闭seLinux

防火墙状态

~]# systemctl status firewalld.service    #查看firewalld状态

~]# systemctl stop firewalld       #关闭

~]# systemctl start firewalld       #开启

~]# systemctl disable firewalld     #开机自动关闭   //RHLE7

~]# chkconfig --list|grep network    #查看开机是否启动   //RHLE6

~]# systemctl enable firewalld     #开机自动启动

放开端口

firewall-cmd --add-port=3306/tcp --permanent
firewall-cmd --reload

关闭seLinux

临时关闭

~]# vim /etc/selinux/config  
Enforcing

~]# setenforce 0
setenforce: SELinux is disabled

永久关闭

 ~]# vim /etc/selinux/config  
SELINUX=enforcing     
SELINUX=disabled
 ~]# reboot   #重启主机