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Print text string vertically, one character per line.

Get the Last tweet (Better than Twitter feed rrs)
I was using some twitter bots and twitter bloks my IP. Now im using some proxys and i use these command to validate the tweet was published.

Change every instance of OLD to NEW in file FILE
Very quick way to change a word in a file. I use it all the time to change variable names in my PHP scripts (sed -i 's/$oldvar/$newvar/g' index.php)

Find all active ip's in a subnet
nmap for windows and other platforms is available on developer's site: http://nmap.org/download.html nmap is robust tool with many options and has various output modes - is the best (imho) tool out there.. from nmap 5.21 man page: -oN/-oX/-oS/-oG : Output scan in normal, XML, s|

A fun thing to do with ram is actually open it up and take a peek. This command will show you all the string (plain text) values in ram

Find usb device in realtime
Using this command you can track a moment when usb device was attached.

Rip a video for archiving, from any site
Download video files from a bunch of sites (here is a list https://rg3.github.io/youtube-dl/supportedsites.html). The options say: base filename on title, ignores errors and continue partial downloads. Also, stores some metadata into a .json file plz. Paste youtube users and playlists for extra fun. Protip: git-annex loves these files

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"

Display the output of a command from the first line until the first instance of a regular expression.
If BREs can be used, this sed version will also get the job done.

Find usb device in realtime
Using this command you can track a moment when usb device was attached.


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