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How to Free Up Space in /boot on CentOS Server

How to Free Up Space in /boot on CentOS Server

By default the /boot partition is quite small, in some cases it could be only a few megabytes. If this is the case with when you try to update your kernel, you could get an error complaining about not enough free space on /boot.

Here’s an easy way on how to free up some space so that you could complete your kernel update as normal.

  • Install yum-utils

  • Now we can clean some old kernel packages, to be on the safe side I would recommend keeping the –count to at least 2

  • This is pretty much it, you can then go ahead and update your kernel as normal

Please note that you would need to reboot your server in order for the change to take effect.

To check your system information you could then simply run:

Hope that this helps.

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Linux System Administrator