Various unices

• uname http://de.wikipedia.org/wiki/Uname

• openSuSe HowTo http://lilypond.org/blog/janneke/openSUSE-HOWTO

• detect if ssh requires a password

`# ssh user@[unauthed_host] -o PasswordAuthentication=no Permission denied (publickey,password).

echo $?

255`

`# ssh user@[unauthed_host] -qo PasswordAuthentication=no echo 0 || echo 1 1

ssh user@[authed_host] -qo PasswordAuthentication=no echo 0 || echo 1

0`