Commands by hybris (1)

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Display IP adress of the given interface in a most portable and reliable way. That should works on many platforms.
Thanks to comment if that works or not... If you have already typed that snippet or you know you already have IO::Interface::Simple perl module, you can type only the last command : $ perl -e 'use IO::Interface::Simple; my $ip=IO::Interface::Simple->new($ARGV[0]); print $ip->address,$/;' ( The first perl command will install the module if it's not there already... )

Join a folder full of split files
If you use newsgroups then you'll have come across split files before. Joining together a whole batch of them can be a pain so this will do the whole folder in one.

Remove a line from a file using sed (useful for updating known SSH server keys when they change)
remove the host for the .ssh/know_host file

Advanced python tracing
Trace python statement execution and syscalls invoked during that simultaneously

Get full from half remembered commands
Show all commands having the part known by you. Eg: $apropos pdf | less

Unlock more space form your hard drive
This command changes the reserved space for privileged process on '/dev/sda' to 1 per cent.

Google verbatim search on your terminal
Put it in your ~/.bashrc usage: google word1 word2 word3... google '"this search gets quoted"'

Remove all but one specific file

command to change the exif date time of a image

eavesdrop
Record off the microphone on a remote computer and listen to it live through your speakers locally.

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