Commands by davidjoe987 (0)

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Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

Access folder "-"
If you try to access cd - you go to the last folder you were in.

this toggles mute on the Master channel of an alsa soundcard

Get a qrcode for a given string

To convert **.wav to **.mp3 using LAME running one process per CPU core run:

Backup VPS disk to another host

Console clock
Shows a simple clock in the console -t param removes the watch header Ctrl-c to exit

Bypass 1000 Entry limit of Active Directory with ldapsearch
That command bypass the entry limit specifing page results size, when the search arrive to the limit ldapsearch magically reiterate it from the last entry.

Remove security limitations from PDF documents using QPDF
Remove security restrictions from PDF documents using this very simple command on Linux and OSX. You need QPDF installed (http://qpdf.sourceforge.net/) for this to work.

Set laptop display brightness
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.

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