Commands by ProfOak (2)

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find and reduce 8x parallel the size of JPG images without loosing quality via jpegoptim

show current directory
Opens a file or URL in the user's preferred application.

Show all available colors on your terminal.
Using perl and tput, show all the colors with numbers that your actual $TERM can handle. If want to remove the numbers at beginning of new line, it should be something like this: $perl -E 'say `tput setb $_`," "x `tput cols`, `tput sgr0` for 0 .. (`tput colors` - 1)'

Cut the first 'N' characters of a line
Saves one character, the original is probably clearer

Find default gateway (proper at ppp connections too)

Create an SSH tunnel for accessing your remote MySQL database with a local port

calulate established tcp connection of local machine
worked on ubuntu 9.04 and cygwin with MS netstat

Database size
Mysql command to list the disk usage of the database

Search commandlinefu.com and display with VIMs syntax highlighting!
Multi-argument version, but with VIM loveliness :D

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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