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FsSwap.rc.md

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FsSwap.rc.md

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Swap rc

  • HOWTO swapon --summary
  • HOWTO Get size free --human | grep Swap
  • HOWTO Disable swapoff /swap.img || swapoff --all
  • HOWTO Enable swapon /swap.img

HOWTO Create file by dd sleep/suspend/hibernate to disk do NOT work by default with file swap 2976221903

dd if=/dev/zero of=/swap.img bs=1G count=4
chmod 0600 /swap.img
mkswap /swap.img
swapon /swap.img

HOWTO

  • HOWTO Swappiness sysctl --all | grep swappiness 485532627
  • HOWTO Swappiness disable sysctl --write vm.swappiness=0 | echo 0 > /proc/sys/vm/swappiness A low value causes the kernel to avoid swapping.
  • HOWTO Swappiness enable sysctl --write vm.swappiness=100 | echo 100 > /proc/sys/vm/swappiness Higher value causes the kernel to try to use swap space.
  • HOWTO Partition mkswap /dev/sda3 && swapon /dev/sda3 268679158
  • FAIL HOWTO Create file fallocate fallocate --length=4GB /swap.img File created by fallocate do NOT work 2771094678.