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Run as root. Path may vary depending on laptop model and video card (this was tested on an Acer laptop with ATI HD3200 video).
$ cat /proc/acpi/video/VGA/LCD/brightness
to discover the possible values for your display.
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.
even when another instance is already open.
Great for testing purposes when you need
to be 2 people at once on the same site.
This forces X back to its maximum resolution configured. To get a list, type `xrandr'.
cdrecord -scanbus will tell you the (x,y,z) value of your cdr (for example, mine is 3,0,0)
0 can also be replaced by the source name, e.g. alsa_output.pci-0000_00_1b.0.analog-stereo
Connect-back shell using Bash built-ins. Useful in a web app penetration test, if it's the case of a locked down environment, without the need for file uploads or a writable directory.
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/dev/tcp and /dev/udb redirects must be enabled at compile time in Bash.
Most Linux distros enable this feature by default but at least Debian is known to disable it.
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http://labs.neohapsis.com/2008/04/17/connect-back-shell-literally/
This command list all CPU technical infos.
Colorify colors input by converting the text to a number and then performing modulo 7 on it. This resulting number is used as the color escape code. This can be used to color the results of commands with complex outputs (like "482279054165371") so if any of the digits change, there's a good chance the color will change too. I say good chance because there's only 7 unique colors here, so assuming you were watching random numbers, there would be a 6/7 chance that the color would change when the number changed. This should really only be used to help quickly identify when things change, but should not be the only thing relied upon to positively assert that an output has not changed.