Setup Linux Swap File

adrian bega
swap write

Follow this steps to configure swap file on linux:
If you wish to increase an existing swap file, please refer to this article: Increase Linux Swap File

1.Create the swapfile

sudo dd if=/dev/zero of=/swapfile bs=1024 count=4048576

2. Set file permissions

sudo chmod 600 /swapfile

3. Configure the file as a linux swap file

sudo chmod 600 /swapfile

4. Enable the swap file

sudo swapon /swapfile

5. Make the change peristent.

Edit the following file:

/etc/fstab

Append the following line:

/swapfile swap swap defaults 0 0

6. Check swap was activated

sudo swapon --show
NAME      TYPE SIZE  USED PRIO
/swapfile file 3.9G 87.6M   -1

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