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Old 09-05-2009, 06:04 PM   #1
LQ Newbie
Registered: Aug 2009
Posts: 28

Rep: Reputation: 15
How to configure a swap file

Here is the result of free:

total used free shared buffers cached
Mem: 1024924 666304 358620 0 35024 341772
-/+ buffers/cache: 289508 735416
Swap: 0 0 0

Result of sudo fdisk -l:

Disk /dev/sda: 15.4 GB, 15408046080 bytes
255 heads, 63 sectors/track, 1873 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x0f8ba6ae

Device Boot Start End Blocks Id System
/dev/sda1 1 3 24066 de Dell Utility
/dev/sda2 * 4 1873 15020775 83 Linux

Please recommend if a swap file is needed to improve performance. If yes, please show me the steps.

Thank you.
Old 09-05-2009, 06:56 PM   #2
Registered: Mar 2009
Distribution: CentOS - Ubuntu - Debian
Posts: 83

Rep: Reputation: 27

You appear to have enough free memory at the time, but in case you
need to make use of more intensive applications the following
URL has a tutorial on how to add swap on a file:

Your other alternative of course is create a partition for your
swap, but you may need to resize your partitions if you don't
have unallocated space.

Best regards,


file, performance, swap

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