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 I know that this is an old question, but as I found it looking for a way to setup a xrandr with some default sizes ( -xrandr 2600x1600,1280x800,1820x1000,1920x1080,1600x1200,2400x1500,1500x950 did not work for me).JavaScript must be enabled to correctly display this content My server setup: openSuse 15.1, xorg-x11-Xvnc 1.9.0, vncmanager 1.0.2, GDM, KDE Plasma. My client setup: TigerVNC client 1.9.0 (Windows) So in my case TigerVNC client talks to TigerVNC server, so perhaps that is why is is all so seamless :) If you are curious, here is my full VNC server command: /usr/bin/Xvnc -log *:syslog:30,TcpSocket:syslog:-1 -inetd -MaxDisconnectionTime=5 -securitytypes=none -displayfd 10 -geometry 1024x768 -AllowOverride=Desktop,AcceptPointerEvents,SendCutText,AcceptCutText,MaxDisconnectionTime,MaxConnectionTime,MaxIdleTime,Quer圜onnect,Quer圜onnectTimeOut,AlwaysShared,NeverShared,DisconnectClients,SecurityTypes,Password,PlainUsers -query localhost -once -desktop New session -extension MIT-SHMĪccording to openSuse package description, xorg-x11-Xvnc - the openSuse VNC server - is built on TigerVNC code. This low resolution is used only when you first connect, but then you can change the resolution just by resizing the client window. My server is run with no -randr setting at all and just basic -geometry 1024x768. Beware that with TigerVNC server service starts automatically, silently, in the background, which I strongly detest as a possible security threat. If you want only viewer, then download only viewer, like vncviewer64-1.12.0.exe, that is just viewer without bundled VNC server. I tested TightVNC (open source), RealVNC (free version) and UltraVNC (open source) and had no luck with any of them, they provide useless auto-scaling at the best. So far I found that only TigerVNC is capable of auto-resolutioning. Downside is it also increases network bandwidth. Auto-resolutioning keeps image sharp at any size. And that is what I talk about earlier and that is what TigetVNC client is capable, providing server has matching functionality. What users typically want is real resolution change of the remote session. It decrease image quality significantly, if you stretch a lot. It just makes pixels bigger (or smaller) by stretching the output image. It works like zoom or looking glass in popular bitmap editors. This caling is virtually useless, unless you are visually impaired. Please don't confuse auto resolution change with image stretching, alternatively called auto-scaling. The remote desktop resolution, say KDE, follows your client window resolution smoothly.Ĭheck that "Resize remote session to the local window" is set. When you first connect to your server, the resolution is set to whatever is preset on the server side but you can easily change it just by resizing the client window to any resolution, any crazy, non-standard, ad-hoc resolution you want. No need to set anything anywhere, on the client or on the server. With TigerVNC Windows VNC client (viewer) auto resolution works out of the box.
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