Commands by esirotla (0)

  • …
    bash: commands not found

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Query Wikipedia via console over DNS
Shorter version, works with multiple words.

Open Perl module source in your editor
Ever needed to look at the Perl source of an installed module on your system? This works in 90% of cases.

Quickly generate an MD5 hash for a text string using OpenSSL

Draw a Sierpinski triangle
OK, not the most useful but a good way to impress friends. Requires the "display" command from ImageMagick.

Get IP address from domain
shorter (thus better ;-)

Print environment information.
Print environment (system) information using Perl.

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"

Download mp3 files linked in a RSS podcast feed
Directly download all mp3 files of the desired podcast

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.

copy public key

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