CentOS 8 minimal install with screenshots

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In this article, you will learn about CentOS 8 minimal install with screenshots. #centlinux #linux

What is CentOS 8? :

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. Alternatively, you can upgrade your existing applications and databases by following our previous article on upgrade Centos 7 to Centos 8 server.

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 KVM virtual machine with following specifications.

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

Install 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.

CentOS Linux Installer Menu

The system is displaying a boot menu with multiple options.

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

CentOS Linux Installer loading

The CentOS 8 installer is loading now.

CentOS Linux Installer Language Selection

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

CentOS Linux Installation Summary 1

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.

CentOS Linux Installation Time & Date

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

Click on Done to return to Installation Summary screen.

CentOS Linux Installation Summary 2

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

CentOS Linux Installation Software Selection

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

Click on Done to return to Installation Summary screen.

CentOS Linux Installation Summary 3

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

CentOS Linux Installation Destination

Select the Automatic Storage Configuration and click on Done.

CentOS Linux Installation Summary 4

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

Click on ‘KDUMP’.

CentOS Linux Installation KDump

Uncheck ‘Enable kdump’ option and click on Done.

CentOS Linux Installation Summary 5

KDUMP has been disabled.

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

CentOS Linux Installation Network

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.

CentOS Linux Installation Hostname

Click on Done to return to Installation Summary screen.

CentOS Linux Installation Summary 6

All necessary settings has been configured for CentOS 8 installation.

Click on Begin Installation to start installing CentOS 8.

CentOS Linux Installation Progress 1

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

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

CentOS Linux 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.

CentOS Linux Installation Progress 2

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

CentOS Linux 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.

CentOS Linux Installation Summary 3

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

CentOS Linux Installation Completed

Click on Reboot to restart the system.

CentOS Linux GRUB Menu

We are now at the CentOS 8 GRUB boot menu.

Select the first option and press <ENTER>.

CentOS Linux CLI Login

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

Conclusion – CentOS 8 minimal install with screenshots:

In this article, you have learned about CentOS 8 minimal install with screenshots.