Difference between revisions of "Swapon"

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* Man page: http://man7.org/linux/man-pages/man8/swapon.8.html
 
* Man page: http://man7.org/linux/man-pages/man8/swapon.8.html
  
 +
* <code>[[swapon]] /[[dev/nvme]]5n1</code>
  
* <code>swapon -s</code> or <code>swapon --show</code>
+
* <code>[[swapon -s]]</code> or <code>[[swapon --show]]</code>
 +
 
 +
swapon /dev/nvme#n1
 +
(no output)
  
 
  swapon --show
 
  swapon --show
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  (No output if not swap active)
 
  (No output if not swap active)
  
   swapon -s
+
   swapon -s
 
   Filename Type Size Used Priority
 
   Filename Type Size Used Priority
   [[/swap.img]]                             file    2023420 104312 -2
+
   [[/swap.img]]                         file    2023420 104312 -2
  
 
* <code>cat [[/proc/swaps]]</code>
 
* <code>cat [[/proc/swaps]]</code>
  
  
 +
== Errors ==
 
   Oct 12 12:55:03 SERVER swapon[449]: [[swapon]]: /[[swap.img]]: swapon failed: [[Read-only file system]]
 
   Oct 12 12:55:03 SERVER swapon[449]: [[swapon]]: /[[swap.img]]: swapon failed: [[Read-only file system]]
  
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* [[Memory]]: <code>[[sar -r]]</code>
 
* [[Memory]]: <code>[[sar -r]]</code>
 
* [[Swap]]: <code>[[sar -S]]</code>
 
* [[Swap]]: <code>[[sar -S]]</code>
* [[Sar -W (Swapping)]]
+
* <code>[[sar -W (Swapping)]]</code>
 
* <code>[[/etc/fstab]]</code> and <code>[[/proc/swaps]]</code>
 
* <code>[[/etc/fstab]]</code> and <code>[[/proc/swaps]]</code>
 
* <code>[[systemctl --type swap]]</code>
 
* <code>[[systemctl --type swap]]</code>
 
* <code>[[mkswap]]</code>
 
* <code>[[mkswap]]</code>
 +
* [[Add a swap disk]]
  
 
== See also ==
 
== See also ==

Latest revision as of 16:00, 24 August 2023

swapon/swapoff enable/disable devices and files for paging and swapping and it is included on the mount package.

swapon /dev/nvme#n1
(no output)
swapon --show
NAME      TYPE      SIZE   USED PRIO
/dev/dm-2 partition 976M 974.8M   -2
swapon --show
(No output if not swap active)
 swapon -s
 Filename				Type		Size	Used	Priority
 /swap.img                         file    	2023420	104312	-2


Errors[edit]

 Oct 12 12:55:03 SERVER swapon[449]: swapon: /swap.img: swapon failed: Read-only file system

Related terms[edit]

See also[edit]

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