Sunday, 10 November 2019

How to Install Gnome GUI on CentOS 8 Using YUM Group Install

CentOS 8 and many Linux distributions have options to install minimal, GUI and others and minimal installation restrict resource utilization. However if minimal installation done while installation and GUI can be installed later.

This article describes How to Install Gnome GUI Desktop on CentOS 8 on top of minimal installation.

Step 1. Package Group List: Run the following command to check package group list for Gnome GUI packages installation on CentOS 8:

[root@linuxcnf ~]# dnf grouplist
Last metadata expiration check: 0:58:35 ago on Sat 09 Nov 2019 11:18:51 PM IST.
Available Environment Groups:
   Server with GUI
   KDE Plasma Workspaces
   Virtualization Host
   Custom Operating System
Installed Environment Groups:
   Minimal Install
Available Groups:
   Container Management
   .NET Core Development
   RPM Development Tools
   Smart Card Support
   Development Tools
   Graphical Administration Tools
   Headless Management
   Legacy UNIX Compatibility
   Network Servers
   Scientific Support
   Security Tools
   System Tools
   Fedora Packager
[root@linuxcnf ~]#

Step 2. Package installation: Run the following commands to install Gnome GUI group packages on CentOS8:
[root@linuxcnf ~]# dnf groupinstall "Server with GUI"
  bash-4.4.19-8.el8_0.x86_64                              dracut-049-10.git20190115.el8_0.1.x86_64
  systemd-pam-239-13.el8_0.5.x86_64                       systemd-udev-239-13.el8_0.5.x86_64

  PackageKit-1.1.12-2.el8.x86_64                                                      PackageKit-command-not-found-1.1.12-2.el8.x86_64
  xmlrpc-c-1.51.0-5.el8.x86_64                                                        xmlrpc-c-client-1.51.0-5.el8.x86_64

[root@linuxcnf ~]#

Step 3. Check Default Target: As shown in below output, set by default on minimal installation.

[root@linuxcnf ~]# systemctl get-default
[root@linuxcnf ~]#

Step 4. Set Default Target: After installation of GUI will not change the default target. Run the following command to change the default run level from to

[root@linuxcnf ~]# systemctl set-default
Removed /etc/systemd/system/
Created symlink /etc/systemd/system/ /usr/lib/systemd/system/
[root@linuxcnf ~]#

Step 5. Reboot: Finally, reboot the machine to start the server in the graphical mode. While rebooting system follow the instruction to complete GUI booting process.

[root@linuxcnf ~]# reboot

Once system will comes up, Login window will appear as below:

Done!!! GUI (Graphical User Interface) installation has been done.

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