Commands by gismo82 (1)

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Display the list of all opened tabs from Firefox via a python one-liner and a shell hack to deal with python indentation.
You have to do that before : $ cd ~/.mozilla/firefox/ Require bash. If you use something else, you may use $ echo | python Forked from ArkSeth python script.

Run netcat to server files of current folder

Clear ARP table in linux.
Clears the "arp" table, without entering manually addresses (tested in Ubuntu).

Watch active calls on an Asterisk PBX
Show active calls as the happen on an Asterisk server. Note that the Asterisk command (in single quotes) is formatted for Asterisk 1.6. Use the -n flag on the watch command to modify the refresh period (in seconds - default is 2 seconds).

Exclude grep from your grepped output of ps (alias included in description)
Surround the first letter of what you are grepping with square brackets and you won't have to spawn a second instance of grep -v. You could also use an alias like this (albeit with sed): alias psgrep='ps aux | grep $(echo $1 | sed "s/^\(.\)/[\1]/g")'

Execute a command before display the bash prompt
For example, if you are the type who type ls very often, then $ PROMPT_COMMAND=ls will ls after every command you issue.

Graphical tree of sub-directories
Prints a graphical directory tree from your current directory

Remove color codes (special characters) with sed

Delete all aliases for a network interface on a (Free)BSD system
The example command deletes all aliases for network interface 'em0' assuming that the aliases have netmask of 255.255.255.255 and the master IP has some other netmask (such as 255.255.255.0). See here -> http://my.galagzee.com/2009/07/22/deleting-all-network-interface-aliases/ for more on the rationale of this command.

check open ports without netstat or lsof


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