One Ubuntu 20.04 server with a non-root administrative user and a firewall configured with UFW.Then, you’ll use a VNC client program on your local machine to interact with your server through a graphical desktop environment. In this guide, you’ll set up a VNC server with TightVNC on an Ubuntu 20.04 server and connect to it securely through an SSH tunnel. It makes managing files, software, and settings on a remote server easier for users who are not yet comfortable with the command line. (I have confirmed this works on a iMac 27-inch Late 2012 with Mountain Lion).Virtual Network Computing, or VNC, is a connection system that allows you to use your keyboard and mouse to interact with a graphical desktop environment on a remote server. The key to this solution is to sleep iMac when you leave and wake it up through network access (iMac works as normal after waking up but the monitor is still off) so this may not work outside of a local network. Now you can use iMac and the monitor is still off.Wake up the iMac using the Wake Up Me On utility.Sleep iMac by clicking Sleep on the bottom Check if everything is working well and then close the VPN client.Type your mac host name or IP address and :1 (1 means the display number) For example, if your mac host name is iMac or the IP address is 192.168.1.20, this will be iMac:1 or 192.168.1.20:1.I am using Real VNC viewer but it does not matter. Select 1 from Display Number and enter 5901 to the port.Launch Vine VNC Server and open preference of the VNC server and go to connection.(actually copy it to somewhere in your Mac) You may need to activate Fast User Switching. ![]() if this is not never, iMac goes to sleep shortly after VNC connecting.
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