Using the OTG port will cause this error message. If instead you see a message at the bottom of the screen that says “Cannot exec ‘/dev/tty.usbserial-*‘: No such file or directory”, double check that you have your rig and computer connected via the rig’s UART port.If you don’t have any “new” USB ports that were not used by the previous login attempt, then close out terminal app, restart the computer, and try again. If you only had the rig connected by one cable in the UART port on rig, you can simply unplug the rig from the computer and move to a new USB port on the computer. If instead, you see a message at the bottom of the screen that says “Sorry, could not find a PTY.” that usually means the system has not cleared a previous screen session.Login as root and use your root password (you should have changed it from the default of edison during the setup of the rig - if not, please go back and do so now. Press RETURN to bring up the edison’s login screen. Enter your computer’s password not the rig’s password here. You will be prompted to enter a password. If you’re using a Mac, use the command sudo screen /dev/tty.usbserial-* 115200 to enable “screen” mode.Use the Terminal app on the Mac, or follow these directions for Windows.After you delete the known hosts, you can use the ssh command to login, as described above. There’s no significant downside to removing the known_host log, except that you will need to answer yes to the key fingerprint additions again for the first time you login to old rigs again. This will delete the log of known hosts on your computer. (This is why you want to use unique hostnames if you are going to have multiple rigs.) You can delete the history of known hosts for the rig by entering the commands cd. If you get an scary looking error about “WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!” that is likely because you are attempting to login to a rig that has the same hostname as a previous rig that has been logged into on the computer.Try the screen method (directions below) for connecting to your rig. If you get an error about “could not resolve hostname”, it is likely that your rig is actually connected to a different wifi network than the computer.A successful login will result in a screen similar to below. Realize that keystrokes will not appear as you enter the password. You will be asked for the password for the rig.enter your root password that you setup in Phase 0 (the default was edison). If this is your first time logging in to the rig on the computer, you may get a message about the authenticity of the host and whether you want to add the key fingerprint to the list of known hosts. Use the command ssh ( or whatever you named your edison host, in the example below, the hostname was edison1).Open the Terminal App found in the Utilities folder in Applications.It is HIGHLY recommended that you use the method above for oref0 0.6.0 or greater. ![]() Old instructions for an offline webpage. ![]()
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