CLI cheat sheet
What’s running on port 3000?
lsof -i :3000
What’s eating my memory?
top -o MEM
Create an SSH key for GitHub
ssh-keygen -t rsa -C "your.email.used.on.github@example.com"
Set default nvm version
nvm alias default X.Y.Z
(or just nvm alias default X
Image manipulation •
Tools: imagemagick and ffmpeg (brew install ffmpeg
).
Create a favicon
magick input.png -resize 32x32 favicon.ico
Extract first frame of a video to image
ffmpeg -i input.mp4 -vframes 1 output.png
Fun stuff •
Check what time it is
date
Check the weather
curl wttr.in/yourLocation