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I have a swap file in my file system /swapfile with 2GB, but I want to use a partition.

I created a partition using Gparted.
I removed my swap file using: sudo swapoff /swapfile
But I have a line on /etc/fstab with my old swapfile.
** I Need To Inform My Ubuntu That I'm Using A Swap Partition. **

How can I achieve this?

  • Possible duplicate of Swap partition to Swap file – vanadium Jun 27 at 19:38
  • @vanadium, My question is the opposite of your suggestion. And I can't achieve my objective reading that another topic. – danilo Jun 27 at 19:39
  • You are right: removed my vote. – vanadium Jun 27 at 19:47
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I found a solution:
https://ubuntuforums.org/showthread.php?t=2400322

First find the UUID of the swap partition:
sudo blkid | grep 'TYPE="swap"'

Then modify your /etc/fstab and replace /swapfile with UUID=xxx, using the UUID you got from the command above. The line that now has /swapfile must then look something like

UUID=01234567-89ab-cdef-0123-456789abcdef none swap sw 0 0

The swap partition will be used after a reboot or running
sudo swapon -a

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