How To Add A Swap File To Redhat V7

Step-By-Step Guide

1. Add a new raw disk.

For example;

/dev/sdag

2. Make the swap file

/sbin/mkswap /dev/sdag

3. Turn swap on

/sbin/swapon /dev/sdag

To Check to see if swap exists use one of the following commands;

  • swapon
  • free
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