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Ahmer's SysAdmin Recipes is a blog for Linux System Administrators. This blog provides recipes for Installation & Configuration of Linux, Ubuntu, Oracle Database, MySQL, Apache, Nginx, Oracle Cloud Control, FreeIPA, Kerberos & OpenLDAP, Subversion, PXE, DevOps, etc. over Red Hat Enterprise Linux (RHEL), CentOS, Ubuntu and Windows.

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Thursday, 3 January 2019

Install Red Hat Enterprise Linux Atomic Host 7

Installing-Red-Hat-Atomic-Host-7Red Hat Enterprise Linux Atomic Host 7 or Red Hat Atomic Host 7 (in short) is a variant of Red Hat Enterprise Linux (RHEL) 7. Red Hat Atomic Host 7 is a minimal operating system optimized for container hosting using Docker. Just like RHEL 7,  Red Hat Atomic Host 7 is also open source. Atomic Host is the part of Project Atomic that is an upstream collection of open source container operating systems.

In this article, we will install Red Hat Enterprise Linux Atomic Host 7.

Note: CentOS Atomic Host 7 is also available to download from CentOS website and it can be installed by using the same procedure as of Red Hat Atomic Host 7.

 

System Specification:

We have provisioned a virtual machine with following hardware specification:

CPU 2.4 Ghz (4 cores)
Memory 4 GB
Storage 40 GB

 

Required Software:

We only required the Red Hat Atomic Host 7 ISO. Therefore, download it from Red Hat Customer Portal.

 

Installing Red Hat Enterprise Linux Atomic Host 7:

Insert / Attach Red Hat Atomic Host 7 ISO into the virtual machine’s CDROM and Power-On that virtual machine.

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After boot, we are now at the boot menu of Red Hat Enterprise Linux Atomic Host 7.

Select option Install Red Hat Enterprise Linux Atomic Host 7 and press <ENTER>.

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Select Language to be used during installation process of Red Hat Atomic Host 7.

Click on Continue.

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We are now at the Installation Summary screen. It is the central point where we can perform all configurations.

First of all, we will set Date & Time of our Red Hat Atomic Host 7.

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Set Time Zone and Date & Time here.

Click on Done.

We are again at Installation Summary screen. Click on Installation Destination to create disk partitions.

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Red Hat Enterprise Linux Atomic Host 7 installer automatically creates a partition layout from default template.

If you would like to create a custom layout, then create it here or click on Done to accept default layout.

We are again at Installation Summary screen. Click on Network and Hostname to perform network configurations.

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Set a Fully Qualified Domain Name (FQDN) and configure DHCP based-network.

Click on Done.

At Installation Summary screen, click on KDUMP.

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We are installing Red Hat Enterprise Linux Atomic Host 7 on a virtual machine with limited memory, therefore we have to disable the KDUMP.

Click on Done.

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Click on Begin Installation.

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Set root user Password and Create another user ahmer as follows:

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Click on Done.

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When Red Hat Atomic Host 7 installation completed, click on Reboot.

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Red Hat Enterprise Linux Atomic Host 7 has been successfully installed.

Install Red Hat Enterprise Linux Atomic Host 7


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