[CentOS] Re: changing swap size

John Summerfield debian at herakles.homelinux.org
Thu Mar 29 00:49:38 UTC 2007

Scott Silva wrote:
> Stewart Walker spake the following on 3/28/2007 2:29 PM:
>>Is it possible to change the swap size with out re-installing the system?
>>Looking at the dd command but don't really know what to expect.
>>Many thanks for your help
> If you have the space available, you can add, remove, or change the swap on
> demand. If you have unpartitioned space you could add a partition as large as
> you want, with type 82 (linux swap), use mkswap to format it, and swapon the
> partition. Then you could swapoff the old one and use the space for something
> else. Then adjust /etc/fstab to reflect the new info.
> You might be able to resize a swap partition from a rescue disk with parted.

I don't know what advantage swap partitions have over swap files.

Swap files can be created and added as any time.



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