![]() ![]() ''a-bunch-or-numbers-and-letters-and-colons''. The fingerprint for the RSA key sent by the remote host is It is also possible that the RSA host key has just been changed. ![]() Someone could be eavesdropping on you right now (man-in-the-middle attack)! If you receive a message similar to the one below, you most likely logged in last year, and your "host key" file is outdated as Duke changed each computer's "RSA host key" since you last WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY! If you need to try a different machine, you can use the up and down arrows on the keyboard to go through various old commands you typed in find an old ssh command, edit it, and then hit return. You may type exit at anytime or simply quit X11 to close the connection.Īfter you have done this once, all you have to type the next time you startup X11 is " !ssh", which will automatically remember the last address you connected to. The "-Y" means you are initiating a trusted connection, which is necessary for using graphical applications (gimp, matlab, gnobots2, etc.). The "-X" is to override default ssh configurations that do not allow X11Forwarding. Then, you should be able to use the X11 terminal just like a Linux terminal. You should be prompted to answer yes or no to a question if it is the first time you are connecting to a computer, followed by your Net ID password. You should only need to type this once for your computer ever.įrom that point on, to connect to a virtual Unix machine, type: The first time you want to connect, you will need to tell your computer that connections are OK, so type In order to connect to a computer remotely, simply start up X11 (which may need to be installed) or XQuartz (In 10.5, running these commands in Terminal will automatically open the X11 windowing system). If you do not have the disk, ask OIT or neighbors on your hall. In order to do this, insert your OS X Install Disc 1, and select Optional Installs. In Mac OS X 10.4, X11 is not pre-installed with the rest of the bundled Macintosh applications (iLife Suite, Mail, GarageBand, etc). Once the installation is finished, you may have to restart your computer. When you are prompted at the custom installation screen, check X11 under applications and click continue. But if for some reason you chose not to install X11 when installing the OS on your computer it can be found on your "Install Disc 1". You will need to install XQuartz if you have OS X 10.6-10.7 and have not installed X11 or if you have OS X 10.8 or later.įor Mac OS X 10.5 and later, X11 is pre-installed with the rest of the bundled Macintosh applications. ![]() Installation OS X 10.8 or later (and OS X 10.6.3 or later, really)įor OS X 10.8 and beyond, X11 does not exist. The majority of Duke students use X11 to remotely access Linux machines in order to use university owned programs such as MATLAB.
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