Create demo gifs using asciinema
Example gif:
Setup
sudo apt-add-repository ppa:zanchey/asciinema
sudo apt-get update
sudo apt-get install asciinema
npm install --global asciicast2gif
sudo apt-get install imagemagick
sudo apt install gifsicle
Record
Start
asciinema rec demo.cast
type commands to record
End
<Ctrl-D>
Edit
Use your favorite editor to modify demo.cast
as required
Remove the <Ctrl-D>
line
Convert
asciicast2gif demo.cast demo.gif