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Swap Space

Posted on 1998-10-26
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Last Modified: 2013-12-05
I am running Slackware 3.5

Do any of you have any idea why it says 'Swap size 0' when I enter the command 'free'?  Is it possible that it's not turned on?  
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Question by:ciris
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frowijn earned 50 total points
ID: 1638366
look in the /etc/fstab

if there is a option for swap space, it;s there else not !

else you have to make a line in the /etc/fstab like this :

/dev/(your swap device)           swap          swap          defaults      1   1

cheers

Oscar Frowijn

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Expert Comment

by:iceberg102998
ID: 1638367
Go into your /etc/rc.d directory and edit the file rc.sysinit.

There should be a line that says
"# Start up swapping
echo "Activating swap partitions"
swapon -a"

if that line isn't there you need to add it, if it is there make sure that your swap partition is listed in /etc/fstab

Hope that helps!
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Expert Comment

by:olvo
ID: 1638368
You can type dmesg|more to check if at boot time the system started your swap.
If the swap was activated, but you still read 0, try fdisck to see if the partion is really a Linux swap (I think it shoul be tag 82).
Try to start the swap are by hand, entering the command suggeted above, "swapon -a".
Finally, is your swap is not a Linux type, you can always allocate some of the file system
space to swap, configuring for dynamic allocation, like (forgive me) Windows. Do a man page to see the options

  Good luck
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