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Using scapy to get the IP of the iface used to contact local gw (i.e. supposed host IP)
You need python-scapy package

Bulk renames with find, sed and a little escaping
This command is a more flexible than my previous submission. It will work with spaces however suuuuper hacky and ugly. Source: http://www.unix.com/shell-programming-scripting/146173-find-rename-files-using-find-mv-sed.html

Convert wma to [email protected]
Convert all wma to [email protected] with ffmpeg into directory.

Find all files that have nasty names
Get a list of file names that may cause problems (eg being served on a webserver, typing a URL on a mobile, etc)

Blue Matrix
Same as original, but works in bash

Prevent an IPv6 address on an interface from being used as source address of packets.
If two or more IPv6 addresses are assigned to an interface, apply this command to all but the address that you want to use as the source address of outbound packets. This is Linux-specific and requires the iproute package, or equivalent for your distribution.

New command with the last argument of the previous command.

list all crontabs for users
additionally use "find /etc/cron*" for cronscripts

Remove security limitations from PDF documents using ghostscript (for Windows)
#4345 also works under windows

Search some text from all files inside a directory


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