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sends your internal IP by email
This is useful if you have need to do port forwarding and your router doesn't assign static IPs, you can add it to a script in a cron job that checks if you IP as recently changed or with a trigger script. This was tested on Mac OSX.

To find the count of each open file on a system (that supports losf)

Use vim automation to create a colorized html file

extract all urls from firefox sessionstore
This will extract all of the urls from a firefox session (including urls in a tab's history). The sessionstore.js file is in ~/.mozilla/firefox/{firefox profile}

list files recursively by size

Show what PID is listening on port 80 on Linux

Mount folder/filesystem through SSH
Install SSHFS from http://fuse.sourceforge.net/sshfs.html Will allow you to mount a folder security over a network.

Pretty print SQL query with python in one line
You need to apt-get install python-sqlparse. This command simply formats a sql query and prints it out. It is very useful when you want to move a sql query from commandline to a shell script. Everything is done locally, so you don't need to worry about copying sql query to external websites.

Get MD5 checksum from a pipe stream and do not alter it

Enable color pattern match highlighting in grep(1)
This will affect all invocations of grep, even when it is called from inside a script.


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