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commandlinefu.com is the place to record those command-line gems that you return to again and again. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down.

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Prints any IP out of a file

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

Change the case of a single word in vim
In edit mode, toggle the case of a single word under the cursor in vim.

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/

Show interface/ip using awk
Interfaces like lo can be omitted from the beginning, there are probably better ways of doing this, i'm a noob at awk.

Serve current directory tree at http://$HOSTNAME:8080/

Quickly CD Out Of Directories Without 5+ Aliases
I wrote this a long time ago, wondering why this wasn't floating around somewhere out there (at least not where I could find).. this seems much more simple than multiple aliases and can cd out of directories easier.

determine if tcp port is open

Shows all packages installed that are recommended by other packages
Shows the packages installed on your system that are recomemnded by other packages. You should remove these packages.

Backup your LDAP
Simple way to backup your LDAP entries: put this line on your crontab. The -n switch identifies the dbnum you want to backup (alternatively you can use -b suffix. Check man slapcat for your personal switches)


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