Commands by unixmonkey12006 (1)

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Substitute audio track of video file using mencoder
Creates a new video file with video stream copied from input file and a different audio stream

Pretty Print a simple csv in the command line
Will handle pretty much all types of CSV Files. The ^M character is typed on the command line using Ctrl-V Ctrl-M and can be replaced with any character that does not appear inside the CSV. Tips for simpler CSV files: * If newlines are not placed within a csv cell then you can replace `map(repr, r)` with r

Let keyboard LED blink

bash or tcsh redirect both to stdout and to a file
When plumbers use pipes, they sometimes need a T-joint. The Unix equivalent to this is 'tee'. The -a flag tells 'tee' to append to the file, rather than clobbering it. Tested on bash and tcsh.

Re-read partition table on specified device without rebooting system (here /dev/sda).

Docker.io Stop and Remove all processes
Will stop all running containers, then remove all containers **This isn't for selectively handling containers, it removes everything**

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.

Binary search/replace
Replace all instances of "A" with "B" in file "source" saved as file "destination". !! IF A/B is multi-byte, then separate bytes with spaces like so: "s/20\ 0A/00/g".

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

Execute a command at a given time
This is an alternative to cron which allows a one-off task to be scheduled for a certain time.


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