Adding Swap To A Vm
01 Feb 2019 - ~1 min read
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Give a VM (or any other Linux box) 5GB of swap.

Add swap space

touch /var/swap.img
chmod 600 /var/swap.img
dd if=/dev/zero of=/var/swap.img bs=5120k count=1000
mkswap /var/swap.img
swapon /var/swap.img

Confirm

free -h

Swap:         4.9G       450M       4.4G

Persist on reboot

echo "/var/swap.img    none    swap    sw    0    0" >> /etc/fstab

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