> For the complete documentation index, see [llms.txt](https://dev-notes.vinguyen.blog/notes/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://dev-notes.vinguyen.blog/notes/deployment-and-operation/linux/create-linux-swapfile.md).

# Create linux Swapfile

```
sudo fallocate -l 4G /swapfile && \
sudo chmod 600 /swapfile && \
sudo mkswap /swapfile && \
sudo swapon /swapfile && \
sudo swapon -s && \
sudo cp /etc/fstab /etc/fstab.bak && \
echo '/swapfile none swap sw 0 0' | sudo tee -a /etc/fstab
```