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Launch a VirtualBox virtual machine
You can use this on your session login.

Screen enable/disable loggin in all windows
The command when added in screenrc enables logging all open windows by using the C-l (control-l key combination) and disable by C-o . The lines need to be added in separate lines .

See entire packet payload using tcpdump.
This command will show you the entire payload of a packet. The final "s" increases the snaplength, grabbing the whole packet.

Query well known ports list
Uses the file located in /etc/services

Copies currently played song in Audacious to selected directory
Maybe it could work for any music player if you change "audacious2" with the string you see in `ps aux` for your player. Needs testing in different systems.

create a progress bar...
A simple way yo do a progress bar like wget.

Change a specific value in a path
Awk replaces the value of a specific field while retaining the field separator "/" .

Filter IP's in apache access logs based on use
Show's per IP of how many requests they did to the Apache webserver

strace like SystemTap script
The stap script is : #! /usr/bin/env stap probe syscall.* { if (pid() == target()) printf("%s %s\n", name, argstr); }

Watch the progress of 'dd'
run this in another terminal, were xxxx is the process ID of the running dd process. the progress will report on the original terminal that you ran dd on


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