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SMTP Analysis
This works just as well for SMTP. You could run this on your mail server to watch e-mail senders and recipients: tcpdump -l -s0 -w - tcp dst port 25 | strings | grep -i 'MAIL FROM\|RCPT TO'

Dump a web page
Useful to browse dangerous web sites.

Lists all listening ports together with the PID of the associated process
The PID will only be printed if you're holding a root equivalent ID.

Update twitter with curl
Same as below, but no quotes are necessary when twitting more than one word

worse alternative to
worse alternative to ctrl+r: grep the history removing duplicates without sorting (case insensitive search).

Decode base64-encoded file in one line of Perl
Another option is openssl.

another tweet function
This version of tweet() doesn't require you to put quotes around the body of your tweet... it also prompts you for password. It will still barf on a '!' character.

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"

View the latest astronomy picture of the day from NASA.
Substitute feh for the image viewer of your choice. display (part of imagemagick) seems to be a popular choice.

Google URL shortener
(1) required: python-googl ( install by: pip install python-googl ) (2) get from google API console https://code.google.com/apis/console/


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