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Unfortunately, I don’t know the X internals and config things well enough to assist in debugging or analyzing that stuff further. Now when you don’t have a monitor attached to Niagara, it looks like its X server either isn’t launched at all or it isn’t configured correctly to “listen for” or allow remote sessions. In turn, X will be able to handle also remote sessions. X will be started (to create a local display session). This definitely is the case as soon as you attach a monitor to Niagara.
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In order for that to work, the X server (at Niagara) must be ready to serve. Now when you remotely connect to the “server” (your Niagara thing), your RDP client basically provides an empty canvas and then tells the X server at Niagara “please display here”. That means, it can handle both LOCAL displays (when you attach a monitor for example) or REMOTE displays (that’s what happens when you do RDP or TeamViewer from a remote system). The key concept here with X, in the context of your question, is that it is a display SERVER. Alongside X, there’s also “wayland” which is a more recent approach to replace X… but that’s a long and diferent story. almost never.)Īs has pointed out, the X Server (in a nutshell - I know it’s not accurate) is the “display system” in Linux. (I don’t use remote desktops unless absolutely necessary, i.e. VNC and X2Go (the latter is in EPEL) might actually have their own X11 servers – not sure. However, I don’t think that just installing base-x is sufficient. One of the dnf groups that is always installed if Workstation environment is installed, is “base-x”, which includes packages: $ dnf -q group info base-x Lets look what environment “Workstation” contains: $ dnf -q group info Workstationĭescription: Workstation is a user-friendly desktop system for laptops and PCs. The selection is usually something like: $ dnf -q group list Environment group is what is usually installed initially. The X11 contains multiple RPM-packages in EL8.