aaBoustani/Cheatsheets.md

Last active August 15, 2018 16:29

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Cheatsheets.md

Terminal

Find original file of a symlink

readlink -f $(which command)
lsof -i :[port]

Change swap size

Make all swap off
sudo swapoff -a
Resize the swapfile
sudo dd if=/dev/zero of=/swapfile bs=1M count=1024
Make swapfile usable
sudo mkswap /swapfile
Make swapon again
sudo swapon /swapfile

Vim

write with sudo

:w !sudo tee %

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