Commands tagged ack-grep (1)

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Tail postfix current maillog and grep for "criteria"
Tail curren postfix maillog.

Broadcast your shell thru ports 5000, 5001, 5002 ...
run 'nc yourip 5000', 'nc yourip 5001' or 'nc yourip 5002' elsewhere will produce an exact same mirror of your shell. This is handy when you want to show someone else some amazing stuff in your shell without giving them control over it.

display a smiling smiley if the command succeeded and a sad smiley if the command failed
you could save the code between if and fi to a shell script named smiley.sh with the first argument as and then do a smiley.sh to see if the command succeeded. a bit needless but who cares ;)

Suspend to ram

Calculate sum of N numbers (Thanks to flatcap)
replaces "\n" with "+"

List the size of all sub folders and files from the current location, with sorting

Show complete URL in netstat output
This takes all of the tab spaces, and uses column to put them into the appropriately sized table.

Clean your broken terminal
When some console full-screen program (minicom, vi, some installers) breaks down your terminal, try this command to revert all options to "sane" settings (sane is a built-in combo of a lot of stty options)

Create a file and manipulate the date

Compare two directory trees.
This uses Bash's "process substitution" feature to compare (using diff) the output of two different process pipelines.


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