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KB450001 – CentOS 7 Install Procedure

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Scope/Description

This guide details a fresh installation of CentOS 7.9 for a single boot drive or redundant boot drives.

Prerequisites

CentOS ISO pre-installed on a USB drive

 

Steps

  1. Upon boot, hit the up arrow and select “Install CentOS Linux 7” shown below.

  1. Don’t change the language; just click ‘Continue’
  1. You will see the following screen, and need to pick the Installation destination and also configure the network connection

  1. Click installation destination, for a single boot drive, simply make sure the SSD has a checkmark on it and the partitioning is configured automatically, then click ‘Done’ shown below.

    • For redundant boot drives, select both SSD’s and click ‘I will configure partitioning’ and then ‘Done’

    • Next, Click on the ‘+’ to create a partition  and select the ‘/’ option  from the drop down list, and type ‘100GiB’ in capacity. Change the Device type to ‘RAID’ and click ‘Update Settings”Click the ‘+’ button again, and from the drop down list pick ‘swap’ but leave capacity blank. Change the device type to ‘RAID’ and click ‘Update Settings’

    • Click the ‘+’ button again, and from the drop down list pick ‘swap’ but leave capacity blank. Change the device type to ‘RAID’ and click ‘Update Settings’

    • You should see the three options on the left hand side, with about the same Available Space (Will vary if SSD is 120GB and not 128GB). Click on ‘Done’ followed by ‘Accept Changes’, shown below.

  1. Click on ‘Network & Host Name’. Click on the option that does not have unplugged in the name. You’ll need to click on the tab to change from ‘OFF’ to ‘ON’, followed by clicking ‘Configure’.

  • Click on the ‘General’ tab, followed by selecting to ‘Automatically connect to this network when it is available’. Click ‘Save’ and then ‘Done’.

  1. Click on ‘Begin Installation’ in the bottom right hand corner.
  1. Create the root password (password) and create a user (user) with the password (password)


  1. Once the installation is complete, click ‘Reboot’ in the bottom right hand corner.

Verification

After the installation is complete it will prompt for a reboot. Once the reboot has completed the system should boot into CentOS and ask for a login.

Troubleshooting

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