Commands by flarn2006

Commands by flarn2006 (4)

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Talk out of another computer's speakers

Exactly what the summary says. This command will connect to another computer via SSH, and stream audio from your computer's microphone to the other computer's speakers. Use it like an intercom.
This is sample output - yours may be different.
0

rec -t ogg - | ssh remote_hostname play -t ogg -

flarn2006 · 2016-10-07 07:29:53 0
See how many times you've typed 'ls' by itself

I seem to do this compulsively every time I change directories, sometimes even when I don't, even if I know exactly what I need to do. (Don't worry, the sample output is just an exaggeration. :) Show Sample Output
This is sample output - yours may be different.
```
23934729
```
0

grep -c ^ls$ ~/.bash_history

flarn2006 · 2016-09-14 17:06:59 0
Display "ls -l" output with color in less
This is sample output - yours may be different.
0

ls -l --color | less -R

flarn2006 · 2016-05-07 17:19:56 0
Remove duplicate files from the current directory

Remove everything after the second "rev" to only display the duplicate filenames and their hashes.
This is sample output - yours may be different.
0

md5sum * | sort | rev | uniq -df1 | rev | cut -d" " -f3 | xargs rm

flarn2006 · 2015-08-09 20:32:12 0

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Generat a Random MAC address

Generate a random MAC address with capital letters

Your name backwards

Send test prints to networked printer.

This will send a test print job to a networked printer.

Convert numbers to SI notation

converts any number on the 'stdin' to SI notation. My version limits to 3 digits of precious (working with 10% resistors).

remove hostname from known_hosts

Function to change prompt

Bash function to change your default prompt to something simpler and restore it to normal afterwards.

Minimize active window

Bind it to some shortcut key, using something like xbindkeys-config (if you do not have xbindkeys: apt-get install xbindkeys xbindkeys-config)

Yet Another Large Screen Clock

Extend a logical volume to use up all the free space in a volume group

Use the builtin ':' bash command to increment variables

I just found another use for the builtin ':' bash command. It increments counters for me in a loop if a certain condition is met... : [arguments] No effect; the command does nothing beyond expanding arguments and performing any specified redirections. A zero exit code is returned.

Stay in the loop…

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