Need Help With Color Identification on Ubuntu 14.04

The Ubuntu repo contains a great tool for those of us who need a little help with color:

sudo apt-get update
sudo apt-get install gpick

From your Ubuntu search tool type gpick, or type the following in the terminal:

gpick

Editing a PDF in Ubuntu 14.04 [Xournal]

Need to insert text into a PDF in Ubuntu:

sudo apt-get update
sudo apt-get install xournal

From your Ubuntu search tool type xournal, or type the following in the terminal:

xournal

Open your PDF and use the text tool to insert text.

Dell 1600n Scan to PDF in Ubuntu 14.04

First you need to download the Perl script: Come and get it!

Copy the script and save it to: dell1600n-net-scan.pl
Execute the following command line:

./dell1600n-net-scan.pl --listen [printer IP] --option pdf

Press Start Scan from your printer. The PDF will be stored at the same path that you execute the Perl script.

Give credit to the source.