Extending / Adding Swap Space

Sometimes it happens that you want to add more swap space even after
installation. For example, you may upgrade the amount of RAM in your system
from 128 MB to 256 MB, but there is only 256 MB of swap space. It might be
advantageous to increase the amount of swap space to 512 MB if you perform
memory-intense operations or run applications that require a large amount of
memory. It is recommended that you extend an existing logical volume. To
extend or add swap space, basically you have three options:

  • create a new swap partition
  • create a new swap file
  • extend swap on an existing LVM2 logical volume

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