Commands by dbr (4)

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wget download with multiple simultaneous connections

Using scapy to get the IP of the iface used to contact local gw (i.e. supposed host IP)
You need python-scapy package

Write comments to your history.
A null operation with the name 'comment', allowing comments to be written to HISTFILE. Prepending '#' to a command will *not* write the command to the history file, although it will be available for the current session, thus '#' is not useful for keeping track of comments past the current session.

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

convert video format to youtube flv format

function to compute what percentage of X is Y? Where percent/100 = X/Y => percent=100*X/Y
This function make it easy to compute X/Y as a percentage. The name "wpoxiy" is an acronym of "what percentage of X is Y"

list files recursively by size

run command on a group of nodes

Analyze awk fields
Breaks down and numbers each line and it's fields. This is really useful when you are going to parse something with awk but aren't sure exactly where to start.

find and delete empty directories recursively
this will show the names of the deleted directories, and will delete directories that only no files, only empty directories.


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