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Get your internal IP address and nothing but your internal IP address
Will return your internal IP address.

Create subversion undo point
Allows you to save progress without committing. To revert to an undo point, svn revert then apply the undo point with patch. $ svn revert -R . && patch -p0 < .undo/2009-03-27_08:08:11rev57 Similar: http://www.commandlinefu.com/commands/view/373/archive-all-files-containing-local-changes-svn

draw matrix using dot

Find the package that installed a command

Merge tarballs
Requires the GNU tar ignore zeros option. http://www.gnu.org/software/tar/manual/html_section/Blocking.html

IBM AIX: Extract a .tar.gz archive in one shot
This command is for UNIX OSes that have plain vanilla System V UNIX commands instead of their more functional GNU counterparts, such as IBM AIX.

Get AWS temporary credentials ready to export based on a MFA virtual appliance
You might want to secure your AWS operations requiring to use a MFA token. But then to use API or tools, you need to pass credentials generated with a MFA token. This commands asks you for the MFA code and retrieves these credentials using AWS Cli. To print the exports, you can use: `awk '{ print "export AWS_ACCESS_KEY_ID=\"" $1 "\"\n" "export AWS_SECRET_ACCESS_KEY=\"" $2 "\"\n" "export AWS_SESSION_TOKEN=\"" $3 "\"" }'` You must adapt the command line to include: * $MFA_IDis ARN of the virtual MFA or serial number of the physical one * TTL for the credentials

Go to directory or creat it and go to
For use in scripts this command is very usefull

search the manual page names and descriptions

One liner to kill a process when knowing only the port where the process is running


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