35 lines
715 B
Markdown
35 lines
715 B
Markdown
+++
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title = "HowTo make swapfile"
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date = 2024-05-12
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+++
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Script creates swapfile in current dir with size of physical RAM
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(you can just CopyPaste to terminal)
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```bash
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ram=$(($(cat /proc/meminfo | grep -i 'memtotal' | grep -o '[[:digit:]]*')/1024/1024+1))
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touch ./swapfile
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chattr +C ./swapfile #btrfs fix
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sudo fallocate -l ${ram}G ./swapfile
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sudo chmod 600 ./swapfile
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sudo mkswap ./swapfile
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sudo swapon ./swapfile
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swapon --show
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```
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Swap is not permanent, to make it permanent:
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```bash
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sudo cp /etc/fstab /etc/fstab.bak
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echo "$PWD/swapfile none swap sw 0 0" | sudo tee -a /etc/fstab
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```
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{{< source >}}
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https://itsfoss.com/create-swap-file-linux/
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https://wiki.archlinux.org/title/Btrfs
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{{< /source >}}
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