Commands by Blaskovic (1)

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List programs with open ports and connections

Recursive find and replace file extension / suffix (mass rename files)
Find recursively all files in ~/Notes with the extension '.md' and pipe that via xargs to rename command, which will replace every '.md' to '.txt' in this example (existing files will not be overwritten).

Query wikipedia over DNS

Rename files in batch

Get full URL via http://untr.im/api/ajax/api
Get full url via untr.im

Compare a remote file with a local file
Useful for checking if there are differences between local and remote files.

Translate your terminal into Swedish Chef
Bork, bork, bork! To keep it short, the first terminal line doesn't show a prompt.

The NMAP command you can use scan for the Conficker virus on your LAN
This was posted on reddit. replace 192.168.0.1-256 with the IP's you want to check.

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.

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"


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