Key Generation

ssh-keygen -q -f ~/.ssh/id_rsa -t rsa
Enter passphrase (empty for no passphrase): …
Enter same passphrase again: …

Key Distribution

scp ~/.ssh/id_rsa.pub user@server.example.org:

cat ~/id_rsa.pub >> ~/.ssh/authorized_keys
chmod 600 ~/.ssh/authorized_keys
rm ~/id_rsa.pub

Breaks down structure of matter into atoms and, by use of conventional symbols, shows the action of electrons within an atom. The principles involved in the flow of current are explained and a volt, ampere and Ohm are defined.

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Basic Ocilliscope Tutorial

Definately the best tutorial on the basic control and use of a dual channel ocilliscope.

Found a great tutorial on installing Vista on your Eee PC. Click here to read the full tutorial.