airtonix

1. rename the original pastebinit binary to pastebinit_old
mv /usr/bin/pastebinit /usr/bin/pastebinit_old

2. create a script in your ~/bin folder called pastebinit

touch ~/bin/pastebinit
chmod +x ~/bin/pastebinit

3. open it with an editor :

gedit ~/bin/pastebinit

4. paste the following lines

#!/bin/sh
pastebinit_old -b http://paste.ubuntu.com $1