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I have an existing virtual storage but it is not enough and I cannot find a solution to this problem. I want to increase my existing virtual memory size. Any help is appreciated.

Stryker
  • 13

1 Answers1

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Increase swapfile size to match RAM size

  • Check the swap that is in use:

    sudo swapon -s

  • If swap partition(s) are found:

    sudo swapoff -a
sudo nano -Bw /etc/fstab

  • Add # before the UUID of the swap partition(s):

    # UUID=XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX   none   swap    sw     0       0

  • Add a line for the swapfile, if one does not exist:

    swapfile   none    swap     sw      0       0

  • Create the swapfile:

    sudo fallocate -l XG /swapfile*

    where X is swapfile's size in GB:

    sudo mkswap /swapfile
sudo chmod 0600 /swapfile
sudo swapon /swapfile

  • Reboot:

    sudo reboot
C.S.Cameron
  • 19,519
  • use instructions here to make the swap file permanent: https://www.javacodemonk.com/permanent-swap-space-in-centos-and-ubuntu-f36bb1bf

    Missing commands:

    $ sudo nano /etc/fstab

    add this line to the fstab file and save: /swapfile swap swap defaults 0 0

     – FlyingZebra1 Jun 01 '23 at 02:55