Swap for LFS LiveCD 6.1.1

Rainer Peter Feller Rainer-Peter.Feller at physik.uni-hamburg.de
Wed Jan 14 01:18:58 PST 2009


Hi,
the dd if should be /dev/zero not /dev/null :-)

dd if=/dev/zero of=/mnt/hda1/swapf count=512MB

/dev/null is a nullbyte file
/dev/zero is a file full of uncountable zeros 

On Wed, 2009-01-14 at 10:56 +0200, Angel Tsankov wrote:
> cedric.dewijs at telfort.nl wrote:
> > Hi,
> > 
> > If you have a harddisk, you have 2 options:
> > 1) Swapfile. First create a file for the swapspace. the command is
> > something like this: (I don't have a linux box here to test. Please
> > correct me) 
> > dd if=/dev/null of=/some/where/swapfile count=512MB
> > mkswap /some/where/swapfile
> > swapon /some/where/swapfile
> > 
> I tried this:
> mke2fs -jq /dev/hda1 (j=journal, q=quiet)
> mount /dev/hda1 /mnt/hda1
>   EXT3 FS on hda1, internal journal
>   EXT3-fs: mounted filesystem with ordered data mode.
> dd if=/dev/null of=/mnt/hda1/swapf count=512MB
>   0+0 records in
>   0+0 records out
> mkswap /mnt/hda1/swapf
>   mkswap: error: swap area needs to be at least 40kB
> "ls /mnt/hda1/swapf -al" shows that swapf is 0 bytes long
>   
> 
> > 2) Swappartition. First create a partition of type swap.
> > mkswap /dev/hda1 <= replace with actual swappartition
> > swapon /dev/hda1 <= replace with actual swappartition
> > 
> > Please let me know if it has worked.
> > 
> This works.
> 
> --Angel
-- 
  H
CUH Rainer Peter Feller
  H
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