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commandlinefu.com is the place to record those command-line gems that you return to again and again. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down.

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Displaying system temperature
Displaying system temperature your system . shellcode version @ http://inj3ct0r.com/exploits/12554

Install pip with Proxy
Installs pip packages defining a proxy

Join lines
It's works only when you replace '\n' to ONE character.

find an unused unprivileged TCP port
Some commands (such as netcat) have a port option but how can you know which ports are unused?

Look for English words in /dev/urandom
Little faster alternative.

ps with parent/child process tree
Shows a tree view of parent to child processes in the output of ps (linux). Similar output can be achieved with pstree (also linux) or ptree (Solaris).

Umount only the NFS related to 'string'
Sometimes, you have a lot of NFS in the server and you can't or shouldn't use umount -a. Whis this command, you only umount the fs related to the 'string'

Show recent earthquakes in Bay Area
To see only earthquakes for today, add another pipe to egrep "`date '+%Y/%m/%d'`"

Quickly analyse an Apache error log
This searches the Apache error_log for each of the 5 most significant Apache error levels, if any are found the date is then cut from the output in order to sort then print the most common occurrence of each error.


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