Server Fault Stack Exchange
Server Fault Stack Exchange

Questions tagged [vnc]

In computing, Virtual Network Computing (VNC) is a graphical desktop sharing system that uses the RFB protocol to remotely control another computer. It transmits the keyboard and mouse events from one computer to another, relaying the graphical screen updates back in the other direction, over a network.

430 questions
1
vote
2 answers

VNC Viewer shows weird colours when connected to OSX

I am using RealVNC server Enterprise on the Mac. Real VNC Enterprise Viewer on PC. I am able to connect it properly but colors are weird, 16 colors or only blue color is showing up (see below) How do I resolve this?
John
1
vote
5 answers

crashed VNC sessions detect and killing

I have following issue: Many users create VNC session and after that they forget about them. After some time these sessions crash and start to consume about 100% power. Then somebody has to manually kill them. My question is, Is there some way to…
Stoyan Stoyanov
1
vote
1 answer

TigerVNC: Keyboard shortcut to lose focus in full-screen mode

Is there a keyboard shortcut to lose focus of a TigerVNC viewer window in full-screen mode so that Alt+Tab can be used to switch windows of the host system? I'm looking for something like Ctrl+Alt+← in Hyper-V VM viewer or Right Ctrl in…
czerny
  • 255
  • 1
  • 2
  • 8
1
vote
1 answer

On Debian 11, how to change from xfce4 to GNOME desktop

I installed xfce4 with lightdm on my Debian server (EC2) for users to connect over vnc, so I could run Proton and Windows games. I've since discovered that Flatpak, AppImage, Lutris and Proton greatly prefer GNOME desktop and the plugins for them.…
gwhiz
  • 37
  • 5
1
vote
0 answers

VNC server on Ubuntu 22.04 only show blank screen

On Ubuntu one can enable a VNC server via Settings > Sharing > screen-sharing > VNC (my Desktop is german, I just guessed). Another way is to start a vnc-server via shell, i.e.: x0tigervncserver -display :0 -passwordfile ~/.secret/pass -FrameRate 10…
user981366
  • 11
  • 1
  • 2
1
vote
1 answer

Copy and paste from a QEMU VM with VNC graphics?

I run a headless server that uses qemu + kvm to run a few VMs, and I manage them with virsh + xml file definitions. Because this a remote / headless system, I set the graphics as VNC, and then with ssh port forwarding, I can use TightVNC / RealVNC…
Jason
  • 11
  • 2
1
vote
1 answer

guacamole users with admin perms

I installed guacamole from source after a few hours of toil and trying out serveral outdated guides. But at this point I can go to the site and log into the guac web interface and connect to the guacd alright. Though I couldn't find out what is the…
user760466
1
vote
1 answer

Trying a VNC for the first time

I've never used a VNC or any remote login programme before So I'm trying to use TigerVNC. However, I'm open to suggestions, I'm happy to try any VNC programme, I just want to get something working. I've also vaguely heard of TightVNC and X11VNC. I…
1toneboy
  • 11
  • 1
  • 2
1
vote
1 answer

Creating VNC session on specific port fails even though the port is clear

Sorry in advance for the huge amount of command output text, I thought it would be more clear than paraphrasing myself. I am using CentOS 7 and tigervnc: (base) [carlos@pulsar .vnc]$ cat /etc/centos-release CentOS Linux release 7.7.1908…
slowfingers
  • 11
  • 2
1
vote
0 answers

Blocking right-click/keyboard on a VNC server

I'm planning to host an application I don't have the source for via VNC in a kiosk mode kind of manner. A flash game running server-side, to simplify matters. First, only part of the window should be visible to the client due to some domain-specific…
Dawid Blinkov
  • 11
  • 1
1
vote
1 answer

Most secure way to connect from Windows 10 to a CentOS8 Shared Desktop

i tried to connect to a CentOS8 desktop from a Windows 10. In CentOS8 I have enabled the Sreen Sharing feature. Then i have tried to connect to the ip address of my CentOS8 from a Windows 10 with different VNC clients (VNCviewer from RealVNC,…
Snooops
  • 78
  • 1
  • 10
1
vote
0 answers

Having a Secure / Copy Protected DESKTOP Environment in Cent OS Linux

We have a VPS / Bare-metal server rented on a data-center and we access them over internet through user ID and password. It is running CentOS 7. That is direct access and there's no VPN in between. We access GNOME desktop environment directly…
SS891
  • 71
  • 1
  • 4
1
vote
0 answers

Can't select install options when running Debian in headless QEMU/KVM

I am trying to get a Debian VM running on my Arch Linux machine using headless QEMU/KVM. To begin, I boot the virtual system with the following command: qemu-system-x86_64 \ -cdrom ../iso/debian-10.6.0-amd64-netinst.iso \ -boot order=d \ …
peachykeen
  • 115
  • 1
  • 5
1
vote
1 answer

Unable to connect to CentOS 7/8 Screen Sharing (VNC) over work VPN

As with most people, we're WFH. It's getting difficult to troubleshoot issues via chat/phone, so we'd like to use the CentOS "Screen Sharing" feature, which comes bundled with the OS, to allow support personnel to connect to user machine's to assist…
Argyle
  • 63
  • 10
1
vote
0 answers

VNC server with multiple users

I assigned each user a VNC port, but when start the services I see this errors: root@kensa-dev-server1:~# systemctl start vncserver@2.service Job for vncserver@2.service failed because the control process exited with error code. See "systemctl…
H Aßdøµ
  • 147
  • 2
  • 12
1 2 3
…
28 29