Difference between revisions of "Swapon"
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(Created page with " * <code>swapon -s</code> == See also == * {{swap}} * {{memory}} Category:Linux") |
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| + | {{lowercase}} | ||
| + | <code>swapon</code>/<code>[[swapoff]]</code> enable/disable devices and files for [[paging]] and [[swapping]] and it is included on the <code>[[mount]]</code> package. | ||
| + | * Man page: http://man7.org/linux/man-pages/man8/swapon.8.html | ||
| − | * <code>swapon -s</code> | + | * <code>[[swapon]] /[[dev/nvme]]5n1</code> |
| + | |||
| + | * <code>[[swapon -s]]</code> or <code>[[swapon --show]]</code> | ||
| + | |||
| + | 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 | ||
| + | |||
| + | * <code>cat [[/proc/swaps]]</code> | ||
| + | |||
| + | |||
| + | == Errors == | ||
| + | Oct 12 12:55:03 SERVER swapon[449]: [[swapon]]: /[[swap.img]]: swapon failed: [[Read-only file system]] | ||
| + | |||
| + | == Related terms == | ||
| + | * <code>[[free]]</code> | ||
| + | * [[Memory]]: <code>[[sar -r]]</code> | ||
| + | * [[Swap]]: <code>[[sar -S]]</code> | ||
| + | * <code>[[sar -W (Swapping)]]</code> | ||
| + | * <code>[[/etc/fstab]]</code> and <code>[[/proc/swaps]]</code> | ||
| + | * <code>[[systemctl --type swap]]</code> | ||
| + | * <code>[[mkswap]]</code> | ||
| + | * [[Add a swap disk]] | ||
== See also == | == See also == | ||
* {{swap}} | * {{swap}} | ||
| + | * {{mount}} | ||
* {{memory}} | * {{memory}} | ||
[[Category:Linux]] | [[Category:Linux]] | ||
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
cat /proc/swaps
Errors[edit]
Oct 12 12:55:03 SERVER swapon[449]: swapon: /swap.img: swapon failed: Read-only file system
Related terms[edit]
free- Memory:
sar -r - Swap:
sar -S sar -W (Swapping)/etc/fstaband/proc/swapssystemctl --type swapmkswap- Add a swap disk
See also[edit]
- Swap,
swapon,swapoff,mkswap,swaplabel,free,sar -r,sar -S,sar -W,vmstat,vm.swappiness,/proc/swaps,/etc/fstab, Add a swap disk,systemd.swap - File systems:
mount,umount,findmnt,find,swapon,swapoff,UUID, blkid, mount options:/etc/fstab,udisksctl mount,guestmount,/proc/mounts,fstrim,systemd-mount,defaults - Memory: memory pages, RAM, virsh Memory Commands, OOM, meminfo,
vmstat, NAND, DDR,lsmem,/dev/shm,/proc/meminfo,sar -r, IOMMU,pmem, Memory management, Garbage collector, THP, Linux Huge Page TLB
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