mail relay test
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i'm slowly going through some old notes and posting them here when i get time...

mail relay test example:

nc mail.charter.net 25
220 charter.net ESMTP server ready Wed, 12 Dec 2007 16:05:56 -0500
helo mail
250 charter.net
mail from: someone@charter.net
250 Sender Ok
rcpt to: someone@gmail.com
250 Recipient Ok
data
354 Ok Send data ending with .
this is a test.
this is a test.
.
quit

rip a dvd to avi (xvid)

mencoder dvd://1 -dvd-device /media/cdrom0 -ovc xvid -xvidencopts pass=1 -alang en -oac copy -o /dev/null
mencoder dvd://1 -dvd-device /media/cdrom0 -ovc xvid -xvidencopts pass=2:bitrate=1000 -alang en -oac mp3lame -lameopts vbr=3 -o rip.avi

wipe a disks contents...

sudo dcfldd if=/dev/zero of=/dev/device

or (slower)

sudo dcfldd if=/dev/random of=/dev/device