I have an existing CentOS installation. I want to know if I can update the system by booting with a kickstart file.

Even better, I would like to create some install media that would boot a system and perform updates on the system. Perhaps create a live ISO file from the kickstart file, boot the live ISO and perform the update.

Anyone know how to do this?

  • Do you mean update from 7 to 8?
    – jsbillings
    Aug 19, 2020 at 22:09
  • No, I want to update custom packages from a custom live iso or a Kickstart file.
    – shrewmouse
    Aug 20, 2020 at 0:02


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