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porimol/digital-ocean-swap.sh

Forked from cobyism/digital-ocean-swap.sh
Created June 12, 2016 19:28
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Commands to create swapfile on a Digital Ocean Ubuntu droplet
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digital-ocean-swap.sh
sudo fallocate -l 2G /swapfile
sudo chmod 600 /swapfile
sudo mkswap /swapfile
sudo swapon /swapfile
swapon -s
free -m
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porimol commented Aug 21, 2016

Make the Swap File Permanent

We have our swap file enabled, but when we reboot, the server will not automatically enable the file. We can change that though by modifying the fstab file.

Edit the file with root privileges in your text editor :
sudo nano /etc/fstab

At the bottom of the file, you need to add a line that will tell the operating system to automatically use the file you created :
/swapfile none swap sw 0 0

For more information : Article Link

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