If you are trying to connect to a virtual machine hosted by Oracle VM VirtualBox, then you need to configure additional port forwarding for remote access. You may need to perform additional steps if you want to connect to an Oracle Cloud Infrastructure instance.

Install a GNOME desktop environment and all of its dependencies. Any system with Oracle Linux 8 or later installed.Access the VNC server from a remote client, either directly or using an SSH tunnel.Optionally create firewall rules to allow direct VNC access.Optionally enable x509 encryption for direct VNC access.

Start and enable the VNC service across subsequent boots.Configure the VNC service for a specific user.Set the VNC Password for a user on the system.Install a graphical desktop environment along with the VNC service.The instructions provided here assume that you are using the latest version. This newer version is configured differently to previous versions and no longer requires the creation of systemd unit files. TigerVNC Server was rebased from 1.9.0 to 1.10.1 in Oracle Linux 8 Update 3. Some alternative software is listed at the end of the tutorial. However, you can use a different VNC software of your choice. This tutorial uses TigerVNC to illustrate how to remotely connect to systems. VNC is suitable for thin client computing where multiple dumb terminals can share the same hardware resources that are hosted on an Oracle Linux server. You can connect to a VNC server by using any compatible software client. VNC is particularly useful for remotely controlling Oracle Linux servers that have a graphical desktop environment installed. Virtual Network Computing (VNC) is a graphical desktop sharing system that controls remote machines by sending keyboard and mouse events over the network. This tutorial is targeted at users of Oracle Linux 8 or later.

This tutorial shows you how to install and set up the VNC remote access server software on an Oracle Linux system to enable you to remotely operate a graphical desktop environment. Install the VNC Remote Access Server on Oracle Linux Introduction JavaScript must be enabled to correctly display this content

Vnc server linux setup