2017년 8월 23일 수요일

Linux(Ubuntu, CentOS, RedHat) OS가 느릴 때 점검할 사항

If linux OS(Ubuntu, CentOS, RedHat, Alpine, Debian) OS is slow,
then check something like these:

  - run 'htop' command, you can see that swap space is charged and physical memory is available(=free)
  - then run below command
      $ swapoff -a    # this takes several minutes, so please be patient.
      $ swapon -a


You can feel that Linux OS runs faster than before resetting swap memory

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