Thunderbird version 24.x.y: message layout

I'm pretty certain this is impossible to find.

Preferences -> Layout -> Classic/Wide/Vertical View

tcpdump HTTP headers

1. tcpdump -vvvs 1024 -l -A port 80 | egrep '^[A-Z][a-zA-Z\-]+:|GET|POST'
1. Match your port, here it is 80, could be 8080 or 443, e.g.

Quick CLI screenshots on Linux or Openbox / Fluxbox

1. sudo apt-get -y install imagemagick eog
2. import myscreenshot.jpg
1. select portion of screen with the crosshairs
3. eog myscreenshot.jpg