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Octal ls
Do ls with permissions written in octal form.

drop first column of output by piping to this

Perform sed substitution on all but the last line of input
In this simple example the command will add a comma to the end of every line except the last. I found this really useful when programatically constructing sql scripts. See sample output for example.

Open Remote Desktop (RDP) from command line having a custom screen size
This example uses xfreerdp, which builds upon the development of rdesktop. This example usage will also send you the remote machine's sound.

Calculate days on which Friday the 13th occurs (inspired from the work of the user justsomeguy)
Friday is the 5th day of the week, monday is the 1st. Output may be affected by locale.

Look for English words in /dev/urandom
* to get the English dictionary: wget http://www.mavi1.org/web_security/wordlists/webster-dictionary.txt

Recover username and password for Technicolor TC7200 admin page (vulnerability)
The router Technicolor TC7200 has an exploit where the file http://192.168.0.1/goform/system/GatewaySettings.bin is open for unauthenticated access. Even though it is binary, the 2 last strings are the username and password for the pages for router management. It can be read using the 'strings' command, 'hexdump -C' or a hexadecimal editor. (default user/password = admin/admin) Reveals more configuration, including SSID name and Key for the wifi network: $wget -q -O - http://192.168.0.1/goform/system/GatewaySettings.bin Hexadecimal dump of the file: $wget -q -O - http://192.168.0.1/goform/system/GatewaySettings.bin | hexdump -C

Grab the top 5 CLFUContest one-liners

Make sure a script is run in a terminal.
Exit with error if script is not run in a terminal

Share a screen session


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