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- #!/bin/sh
- # size of swapfile in megabytes
- swapsize=2048
- # does the swap file already exist?
- grep -q "swapfile" /etc/fstab
- # if not then create it
- if [ $? -ne 0 ]; then
- echo 'swapfile not found. Adding swapfile.'
- fallocate -l ${swapsize}M /swapfile
- chmod 600 /swapfile
- mkswap /swapfile
- swapon /swapfile
- echo '/swapfile none swap defaults 0 0' >> /etc/fstab
- else
- echo 'swapfile found. No changes made.'
- fi
- # output results to terminal
- df -h
- cat /proc/swaps
- cat /proc/meminfo | grep Swap
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