Commands by haithamg (5)

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list files recursively by size

Instant mirror from your laptop + webcam
Flips the y-axis to emulate a real mirror, uses low resolution for speed, this will also hide blemishes and the like :)

subtraction between lines
It's allways strange for me to see sed and awk in the same command line if you can avoid it

Capture video of a linux desktop
Proper screencast with audio using ffmpeg and x264, as per http://verb3k.wordpress.com/2010/01/26/how-to-do-proper-screencasts-on-linux/

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)

ping a host until it responds, then play a sound, then exit
Audio acknowledgement for host availability. When running the command from a Linux systems, you can use "festival" or "espeak" instead of "say".

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

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.

Get all IPs via ifconfig


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