mkswap fails to create a file

Question

I was attempting to create a swap file:

  mkswap -f /var/swap

I get “/var/swap No such file or directory”

Am I supposed to create the file first? The documentation I found does not say that, so I am concerned.

Answer

Yes, you’ll need to create the file first. dd is the standard choice:

dd if=/dev/zero of=/var/swap bs=1024 count=131072
mkswap /var/swap
swapon

this’d create a 128meg swap file.

Accepted Answer

Yes, you&#8217;ll need to create the file first. dd is the standard choice:dd if=/dev/zero of=/var/swap bs=1024 count=131072mkswap /var/swapswaponthis&#8217;d create a 128meg swap file.

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Answer