Commands tagged distribution (4)

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Countdown Clock
Simple countdown clock that should be quite portable across any Bourne-compatible shell. I used to teach for a living, and I would run this code when it was time for a break. Usually, I would set "MIN" to 15 for a 15-minute break. The computer would be connected to a projector, so this would be projected on screen, front and center, for all to see.

HDD Performance Write Test
Test your XFS filesystem and Raptor hard drives for write performance.

list block devices
Shows all block devices in a tree with descruptions of what they are.

Convert CSV to JSON
Replace 'csv_file.csv' with your filename.

silent/shh - shorthand to make commands really quiet
Sometimes I just want to run a command quietly but all that keyboard shifting makes my fingers hurt. This little function does the job eg.: $ if shh type less; then PAGER=less; fi

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.

Selecting a random file/folder of a folder
random file from files in directory

lotto generator
note the xargs at the end

All IP connected to my host
find all computer connected to my host through TCP connection.

Calculates the date 2 weeks ago from Saturday the specified format.
Good for automating reports that need to run from between two dates.


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