Secure internet utilities on medusa

• ssh: replaces rsh

  • Provides an encrypted connection so that your password never travels in cleartext (password sniffing being very popular these days).

  • Furthermore, it usually succeeds in automagically securely forwarding your X connection, so you never again have to figure out the DISPLAY environment variable.

  • You should never type "xhost +..."

  • Whenever you have previously typed

    rsh SomeHost SomeCommand

    now you should do

    ssh SomeHost SomeCommand

  • NOTE 1: Sometimes you'll see the message Host key not found from the list of known hosts. Are you sure you want to continue connecting (yes/no)? Answer "yes" and continue.

  • NOTE 2: to replace rcmd SomeHost SomeCommand simply do ssh -f SomeHost SomeCommand

• slogin: replaces rlogin and telnet

  • It has the same rules of use as ssh.

• scp: replaces rcp

  • And it comes with a cool progress meter.
  • Use it just like rcp.

Lick ssh page

Stevel Allen's ssh page
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Andrew MacFadyen- andrew@ucolick.org - October 20, 1998