Author Photo

Being a Linux Enthusiast and a Fan of Open Source Software, I created Ahmer’s SysAdmin Recipes blog to share my experiences with other System Administrators. The curiosity doesn’t let me stop; therefore, I am constantly trying to learn new software tools and techniques. Whereas I also have the passion and the patience to teach the others.

I am always ready to accept new challenges and wish to explore the areas, that I haven’t worked on. Please give me your feedback and help me improve this blog.

Monday, 30 September 2019

Minimal Installation of CentOS 8 (with screenshots)

Minimal Installation of CentOS 8 (with screenshots)CentOS is a free and open source operating system derived from the sources of Red Hat Enterprise Linux (RHEL). CentOS (Community Enterprise Operating System) is a community-supported distribution of Linux. CentOS 8 is the latest version of CentOS operating system and it has been released last week.

In this article, we will perform minimal installation of CentOS 8 operating system and also attach the screenshots of all the steps.

If you want to learn basics of CentOS/RHEL Linux then you should read RHCSA/RHCE Red Hat Linux Certification Study Guide, Seventh Edition (Exams EX200 & EX300) by McGraw-Hill Education.

 

Environment Specification:

We have provisioned a virtual machine with following specifications.

  • CPU – 3.4 Ghz (2 cores)
  • Memory – 2 GB
  • Storage – 60 GB

 

Installing CentOS 8 operating system:

Download the CentOS 8 ISO file from CentOS Project website.

Attach the CentOS 8 ISO file in the CDROM and start the virtual machine.

01-centos-8-installation-media-boot-menu

The system is displaying a boot menu with multiple options.

Select ‘Install CentOS Linux 8.0.1905’ option and press <ENTER>.

02-centos-8-installation-loading-installer

The CentOS 8 installer is loading now.

03-centos-8-installation-select-language

Choose the preferred Language to be used during CentOS 8 installation and click on Continue.

04-centos-8-installation-summary

This is the Installation Summary window, we can configure many options here.

First of all click on ‘Time & Date’ to set the timezone according to your region.

05-centos-8-installation-set-timezone

Select your relevant timezone and adjust the date and time here.

Click on Done to return to Installation Summary screen.

06-centos-8-installation-summary

Now, click on ’Software Selection’ to select the software packages/groups to install.

07-centos-8-installation-software-selection

Here, select the option ‘Minimal Install’ under Base Environment section.

Click on Done to return to Installation Summary screen.

08-centos-8-installation-summary

Click on the ‘Installation Destination’ to configure disks/partitions.

09-centos-8-installation-destination

Select the Automatic Storage Configuration and click on Done.

10-centos-8-installation-summary

If you have enough memory for use by KDUMP then skip this step, otherwise disable the KDUMP as follows.

Click on ‘KDUMP’.

11-centos-8-installation-kdump

Uncheck ‘Enable kdump’ option and click on Done.

12-centos-8-installation-summary

KDUMP has been disabled.

The final option that we are required to configure here is ‘Network & Host Name’.

13-centos-8-installation-network-hostname

By default, the networking is not enabled for the Ethernet interface.

Enable DHCP Network configurations by click on the ON option at the right side of the screen.

Set a custom Host Name in the text box at the bottom of the screen and then click on Apply.

The final settings should be look like this.

14-centos-8-installation-network-hostname

Click on Done to return to Installation Summary screen.

15-centos-8-installation-summary

All necessary settings has been configured for CentOS 8 installation.

Click on Begin Installation to start installing CentOS 8.

16-centos-8-installation-progress

While installation is in progress, we can configure two more option thereon.

First, click on ‘Root Password’ to set a password for root user.

17-centos-8-installation-root-password

Set password for root user and click on Done.

You are required to click twice on Done, if you have set a weak password.

18-centos-8-installation-progress

Now, click on ‘User Creation’ to create another user.

19-centos-8-installation-create-user

Click on Done to return to Installation Progress screen.

You are required to click twice on Done, if you have set a weak password.

20-centos-8-installation-progress

Wait for the completion of CentOS 8 installation. It won’t be take so long, because we are installing CentOS 8 with minimal option.

21-centos-8-installation-completed

Click on Reboot to restart the system.

22-centos-8-boot-menu

We are now at the CentOS 8 GRUB boot menu.

Select the first option and press <ENTER>.

23-centos-8-cli-login

We are reached at the CLI login prompt of CentOS 8.

Minimal installation of CentOS 8 has been performed successfully.

Minimal Installation of CentOS 8 (with screenshots)


YOU MIGHT ALSO LIKE:

No comments:

Post a Comment