Installing X11 and Gnome Desktop in RHEL 7

• Introduction
• Steps to restore X11
• Deinstallation and reinstallation as a troubleshooting tool

Introduction

X11 can be installed after you install minimal system. Yum can operate with the notion of "groups" and you can list them using the command

[root@rhel7 ~]# yum group list
Loaded plugins: product-id, subscription-manager
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
There is no installed groups file.
Maybe run: yum groups mark convert (see man yum)
Available environment groups:
   Minimal Install
   Infrastructure Server
   File and Print Server
   Basic Web Server
   Virtualization Host
   Server with GUI
Available Groups:
   Compatibility Libraries
   Console Internet Tools
   Development Tools
   Graphical Administration Tools
   Legacy UNIX Compatibility
   Scientific Support
   Security Tools
   Smart Card Support
   System Administration Tools
   System Management
Done

You can install the missing packages using the group "Server with GUI"

yum groupinstall 'Server with GUI'

NEWS CONTENTS

• 20210315 : Install GNOME GUI on RHEL 7 Linux Server ( Jul 24, 2018 , linuxconfig.org )
• 20210315 : Install-Convert A Minimal Installation Into GUI on CentOS-RHEL 6-7 ( Mar 15, 2021 , kapendra.com )

Old News ;-)

[Mar 15, 2021] Install GNOME GUI on RHEL 7 Linux Server

Jul 24, 2018 | linuxconfig.org

If you have performed a RHEL 7 Linux Server installation and did not include Graphical User Interface (GUI) you can do it later directly from command line using yum command and selecting an appropriate installation group. To list all available installation groups on Redhat 7 Linux use:

[root@rhel7 ~]# yum group list
Loaded plugins: product-id, subscription-manager
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
There is no installed groups file.
Maybe run: yum groups mark convert (see man yum)
Available environment groups:
   Minimal Install
   Infrastructure Server
   File and Print Server
   Basic Web Server
   Virtualization Host
   Server with GUI
Available Groups:
   Compatibility Libraries
   Console Internet Tools
   Development Tools
   Graphical Administration Tools
   Legacy UNIX Compatibility
   Scientific Support
   Security Tools
   Smart Card Support
   System Administration Tools
   System Management
Done

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From the above list select Server with GUI installation group:

[root@rhel7 ~]# yum groupinstall 'Server with GUI'
Transaction Summary
=================
Install  261 Packages (+604 Dependent packages)

Total download size: 527 M
Installed size: 1.7 G
Is this ok [y/d/N]:

Just because gnome desktop environment is a default GUI on RHEL 7 linux system the above command will install gnome. Alternatively, you can run the below command to only install core GNOME packages:

[root@rhel7 ~]# yum groupinstall 'X Window System' 'GNOME'

Once the installation is finished, you need to change system's runlevel to runlevel 5. Changing runlevel on RHEL 7 is done by use of systemctl command. The below command will change runlevel from runlevel 3 to runelevel 5 on RHEL 7:

[root@rhel7 ~]# systemctl set-default graphical.target

Depending on your previous installations you may need to accept Redhat License after you reboot your system. Once you boot to your system you can check GNOME version using:

[root@rhel7 ~]# gnome-shell --version
GNOME Shell 3.8.4

[Mar 15, 2021] Install-Convert A Minimal Installation Into GUI on CentOS-RHEL 6-7

Mar 15, 2021 | kapendra.com

Step 1: Install Gnome GUI

Run the following command to install GUI

For CentOS 7:

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# yum group install "GNOME Desktop" "Graphical Administration Tools"

For RHEL 7:

# yum groupinstall "Server with GUI"

... ... ... Step 2: Make GUI Default Mode For Every Reboot

With the upgrade of Centos/RHEL 7 from CentOS/RHEL 6 concept of runlevel has been changed to systemd so run following command

For RHEL/CentOS 7:

ln -sf /lib/systemd/system/runlevel5.target /etc/systemd/system/default.targ

... ... ...

Step 3: Reboot the Server

# reboot

Few Short Cut Commands

GUI to CLI : Ctrl + Alt + F6
CLI to GUI : Ctrl + Alt + F1

Kapendra http://kapendra.com Love to write technical stuff with personal experience as I am working as a Sr. Linux Admin. and every day is a learning day and Trust me being tech geek is really cool.

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Last modified: March 15, 2021