Commands by dt (2)

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Remove the first and the latest caracter of a string

Show current working directory of a process

Battery real life energy vs predicted remaining plotted
This time I added a print to reemaining energy, every minute, time stamped. The example shown here is complete and point to large discrepancies as time passes, converging to accuracy near the end.

Create a continuous digital clock in Linux terminal
Same effect, only shell commands.

list files recursively by size

Search some text from all files inside a directory

copy file to clipboard
Loads file content on clipboard. Very useful when text selection size is higher than console size.

Use acpi and notify-send to report current temperature every five minutes.
Use acpi and notify-send to report current temperature every five minutes. Works best in a shell script run at startup. acpi is called for temperature and fed to notify-send for a tooltip. After waiting five minutes, it will start over.

Remove comments and empty lines from a conf file
Some conf file are very long (squid.conf) This command help to read it.

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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