CentOS 7 Gnome installation

when you installed the CentOS  7  operating system,  if you choose the minimal installation, then GUI interface will not be installed by defalut.  but after you worked in this mininal centos 7 system, you wanna to back to graphic user interface, the easy way is to install one GUI package, two GUI programs you can choose: Gnome or Kde. in this post, you will see how to install Gnome package under CentOS 7 operating system.

 CentOS 7  Gnome installation

Before you installed the Gnome package, you’d better to check the installation source is normal, As we need to use it to install gnome package by  yum command, and this command use this package source to download gnome package. issue the followind command:

 [root@elite ~]# yum check-update
Loaded plugins: fastestmirror, shaman
Loading mirror speeds from cached hostfile
 * cl-base: de-proxy.cl-mirror.net
 * cl-updates: de-proxy.cl-mirror.net
ez-templates                                                                                                                                                            | 1.1 kB     00:00   
ez-templates-32                                             

Using yum command to install gnome package, issue the following command:

1	[root@elite ~]#   yum groupinstall "GNOME Desktop" "Graphical Administration Tools"

Updating runlevel of system
If you want to make the system  to automatically enter into the graphical interface at boot time, you must change the runlevel value, issue the following command:

1	[root@elite ~]# sudo  ln -sf /lib/systemd/system/runlevel5.target /etc/systemd/system/default.target

reboot the system

> 

after you reboot the system , the system will enter into the Gnome GUI interface automatically.