Rhel7.2 network configuration, firewall, SELinux service shutdown, and Yum source configuration

1. Network Configuration

Note: You need to restart the network service after changing the above configuration

2. Command operation to turn off the firewall

Preferred Check firewall status #systemctl status Firewalld.service

Shut down firewall: #systemctl stop Firewalld.service

Check the status again:

3, turn off the operation of SELinux

Mortal Close #setenforce 0

Permanently off you need to modify the configuration file/etc/sysconfig/selinux

Takes effect after rebooting the system

4. Steps to configure local Yum source

Mount the image first

Remove files from the/ETC/YUM.REPOS.D directory

Create a new configuration file under the/ETC/YUM.REPOS.D directory Redhat.repo

Editing a configuration file

Add the following:

[Redhat]

Name=redhat

Baseurl=file:///mnt

Enabled=1

Gpgcheck=0

Emptying the Yum cache

Build List

Rhel7.2 network configuration, firewall, SELinux service shutdown, and Yum source configuration