Commands using unalias (3)

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convert video to gif by ffmpeg and imagemagick
you can use any common video format. if you don't need to change the size of gif output, just remove `-vf scale=320:-1` btw, 320:-1 means width is 320px and height would be set automatically

Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

Deploy git server repo
After, check if working by executing this command locally : git clone [email protected]:repositories/gitosis-admin.git Tutorial : http://blog.hemca.com/?p=560

Find the package that installed a command

comment current line(put # at the beginning)

Do quick arithmetic on numbers from STDIN with any formatting using a perl one liner.
Good for summing the numbers embedded in text - a food journal entry for example with calories listed per food where you want the total calories. Use this to monitor and keep a total on anything that ouputs numbers.

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

Dump a web page
Useful to browse dangerous web sites.

Turn off your laptop screen on command
echo 'alias monitor_off="sleep 1; xset dpms force standby"' >> ~/.bash_aliases ; . ~/.bash_aliases # now monitor_off does what you think

Convert multiple files using avidemux
Using avidemux to convert multiple files that are in the folder where the command was executed.


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