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Resolution problem in headless ubuntu 20.04

cn flag

I'm having a problem while remote connecting to my Ubuntu 20.04 desktop. When HDMI cable is not connected resolution is so low, so I've tried few solutions including nomachine, anydesk or teamviewer. None of them solved resolution problem.

I've tried xserver-xorg-video-dummy package but it didn't use amdgpu drivers. I've a AMD Radeon graphics card and I want to use the 3d acceleration. I know there are some solutions like dummy hdmi plug but I've tried one of them and my radeon gpu didn't recognise the hdmi. It worked on my Nvidia gpu pc so I guess it's dummy plug issue. I need a solid solution to connect my headless ubuntu desktop with 3d acceleration without any resolution or glitch problems.

mawa avatar
ro flag
I have good experience with x2go and xrdp regarding to resolution.
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