Commands by nobodyelse (0)

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Extract audio stream from an video file using mencoder
This command extracts the audio stream of the video in $file and stores it in a file where the original suffix is changed to .mp3

Print the IPv4 address of a given interface

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"

Switch 2 characters on a command line.
If you typed 'sl', put the cursor on the 'l' and hit ctrl-t to get 'ls'.

A random password generator

list files recursively by size

Create a mirror of a local folder, on a remote server
Create a exact mirror of the local folder "/root/files", on remote server 'remote_server' using SSH command (listening on port 22) (all files & folders on destination server/folder will be deleted)

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

recursive search and replace old with new string, inside files
This command find all files in the current dir and subdirs, and replace all occurances of "oldstring" in every file with "newstring".

Find unused IPs on a given subnet
Somewhat shorter version.


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