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afeijo/Add linux swap file

Last active November 17, 2019 03:11
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Add linux swap file
# this works for debian, ubuntu and similar
sudo fallocate -l 2G /swapfile
sudo chmod 600 /swapfile
sudo mkswap /swapfile
sudo swapon /swapfile
sudo cp /etc/fstab /etc/fstab.bak
echo '/swapfile none swap sw 0 0' | sudo tee -a /etc/fstab
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afeijo commented Jan 30, 2019 •
edited

To assign the swapfile size with the same RAM total size:

sudo fallocate -l $(grep MemTotal /proc/meminfo | awk '{print $2}')000 /swapfile

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