Commands tagged random (98)

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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.

add lyrics

Simulate typing but with mistakes
The output will show jerk, then wonderful person since echo parses the \b character.

Generate hash( of some types) from string
No need to install yet another program when openssl is already installed. :-)

Show errors in the kernel ring buffer
Much more useful then parsing syslog

Drop or block attackers IP with null routes
Someone might attack on your system. You can drop attacker IP using IPtables. However, you can use route command to null route unwanted traffic. A null route (also called as blackhole route) is a network route or kernel routing table entry that goes nowhere. Matching packets are dropped (ignored) rather than forwarded, acting as a kind of very limited firewall. The act of using null routes is often called blackhole filtering.

Replicate a directory structure dropping the files

ANSI Terminal Color Test using python
Pre-packaged python script that comes with Debian/Ubuntu.

Stream YouTube URL directly to mplayer
The original doesn't work for me - but this does. I'm guessing that Youtube updated the video page so the original doesn't work.


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