Commands by eth2net (3)

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back ssh from firewalled hosts
host B (you) redirects a modem port (62220) to his local ssh. host A is a remote machine (the ones that issues the ssh cmd). once connected port 5497 is in listening mode on host B. host B just do a ssh 127.0.0.1 -p 5497 -l user and reaches the remote host'ssh. This can be used also for vnc and so on.

convert flac to mp3
if you haven't already done so, install lame and flac: sudo apt-get install lame flac

Batch-Convert text file containing youtube links to mp3

Display a block of text: multi-line grep with perl
-n reads input, line by line, in a loop sending to $_ Equivalent to while () { mycode } -e execute the following quoted string (i.e. do the following on the same line as the perl command) the elipses .. operator behaves like a range, remembering the state from line to line.

Takes an html file and outputs plain text from it

Find the package that installed a command

list block devices
Shows all block devices in a tree with descruptions of what they are.

Clean up after a poorly-formed tar file
These days, most software distributed in tar files will just contain a directory at the top level, but some tar files don't have this and can leave you with a mess of files in the current folder if you blindly execute $ tar zxvf something.tar.gz This command can help you clean up after such a mistake. However, note that this has the potential to do bad things if someone has been *really* nasty with filenames.

convert filenames in current directory to lowercase
The simplest way I know.

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

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