Linux: Create and Mount Swap via SSH

Some server that I am working with has no swap space mounted in the server. Swap is necessary as backup of our physical memory in case system needs more memory than what it has at that time and also increase application loading speed especially when starting and closing application.

Swap space can be setup in 2 ways, asĀ partition or as a file. Since this server is already online and I have many free partition left in “/” partition, so it may good for me just to create swap file rather than swap partition.

My variables as below:

OS: RHEL 5.7 64bit (Tikanga)
Swap file location: /mnt/swapfile
Swap size: 4 GB

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