Remote Logins
Through the Terminal application, you can log into other (usually Unix or Mac OS X) machines over a network and run command-line programs on them through a shell, just as Terminal lets you normally do with your own machine.
Programs you can use for this include telnet
and
ssh
. You can find references to both in Chapter 28, but the general way to run them is to
simply use telnet
(or
ssh
)
host
. If
host
accepts the connection,
you’ll be prompted for a password. Once
authenticated, the remote machine greets you with a shell prompt of
its own. In the following example, the user chris
is using ssh
to connect from his local machine
(named MyPB
) to another Mac OS X machine on his
local network (named natsu
):
MyPB:~ chris$ ssh natsu
chris@natsu's password:
Last login: Sat Feb 28 10:08:14 2004 from 192.168.1.9
Welcome to Darwin!
[natsu:~] chris%
Note the different prompts, due to different shell configurations this user has on the two machines. Note also that configuring one’s shell to display the current hostname within one’s prompt can be a good idea, because it acts as a constant reminder as to which machine you’re working with!
If your username on the remote machine is not the same as the one you
use locally, use the ssh
command’s ssh
username
@
host
or ssh -l
host
syntax.
Tip
If you have X Windows installed on your Mac, you can run other Unix machines’ GUI software on your machine, as described in Chapter 26. You can also use VNC to log into other Mac OS X machines and enjoy ...
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