Commands using hostname (15)

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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"

Extract audio from Flash video (*.flv) as mp3 file

Check the status of a network interface
no need for installing mii-tools, all generic tools working under archlinux.

find files ignoring .svn and its decendents

simple du command to give size of next level of subfolder in MB
If you're only using -m or -k, you will need to remember they are either in Megabyte or kilobyte forms. So by using -B, it gives you the unit of the size measurement, which helps you from reading the result faster. You can try with -B K as well.

Undo commit in Mercurial

Use md5sum to check your music and movie files. Also use diff.
This is a beginning script. You can create a file with > filename. You can also use diff to compare output run at different times to verify no change in your files. I apologize in advance if this is too simple. For some it should be a start.

grep for minus (-) sign
Use flag "--" to stop switch parsing

List every file that has ever existed in a git repository
What was the name of that module we wrote and deleted about 3 months ago? windowing-something? $ git log --all --pretty=format:" " --name-only | sort -u | grep -i window

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


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