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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.

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29 views

Ubuntu 18 sever, basic security setup

I just got myself a VPS running Ubuntu Server 18.04 LTS. The goal of the server is to run a program 24/7, this program has a GUI. After setting it up everything worked fine. But it didn't take long ...
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1answer
75 views

What security weekness(es) does my vino VNC server have? [closed]

I installed vino VNC server on Lubuntu 18.04, and configured and started my vino server according to https://askubuntu.com/a/530196/1471: $ export DISPLAY=:0 $ gsettings set org.gnome.Vino enabled ...
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13 views

Shift+Insert key inserts 0 instead doing paste in VNC server

While working with linux machines/terminal, I always use shift+Insert to paste the clip board content. I am using vnc viewer app to login to my VNC server but shift+Insert isn't working in the Linux ...
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22 views

Make set of accounts available for login across group of Linux laptops, manage those laptops from my Mac (classroom context)

I have to teach programming to bunches of kids. To that end, I've been provided with about a dozen laptops (ASUS Transformer Book Flip —idk why they needed to flip ¯\_(ツ)_/¯) that've had Linux Mint ...
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1answer
30 views

How do I secure my VNC for access via iOS?

I am running Ubuntu 18.04 on Google Compute Engine, the instance is running VNC which it is up and running using : vncserver -SecurityTypes=VeNCrypt,TLSVnc But when I try to use VNC Viewer on iOS, ...
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1answer
108 views

Why does VirtualGL raise a *Could not open display :0* error after host reboot

I am using vncserver to connect to a CentOS7 machine in the network. In order to make use of 3D graphics accelerations I am using VirtualGL. So any OpenGL program needs to be launched with vglrun to ...
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32 views

TightVNC Server sometimes fail to start on RHEL7.4

I've a RHEL 7.4 box with TightVNC service enabled on boot and sometimes the service fails to start with a PAM permission denied error: systemd[2027]: pam_nologin(login:account): conversation failed ...
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26 views

Tight VNC on Windows Server16

I am no means Windows fella, but due to circumstances have to configure sikuli test suite on Windows Server 2016. The problem I have is that i have installed Tight VNC on it, and when connect to the ...
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0answers
55 views

Ubuntu 18.04 qemu lvm vnc issue

I just stumbled across a very strange issue with qemu and vnc / lvm on an fully updated vanilla Ubuntu 18.04: I set up am VM through libvirt: virt-install -n web_devel -r 2048 --disk path=/var/lib/...
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2answers
48 views

How can I install VNC Server on Red Hat 7.2 that is not connected to the internet?

I have a 64-bit Red Hat 7.2 server that is isolated from the Internet. I am able to SSH to it easily, as well as transfer files using USB. I downloaded VNC-Server-5.0.5-Linux-x64.rpm and tried to ...
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1answer
68 views

Unable to login to Suse 12 SP1 vnc server as root, works as normal user

I have a Suse 12 SP1 server. I'm not able to login to the vnc service as root, however it works as a normal user. Log entries below are from root attempt. Timestamp and server name removed for brevity....
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2answers
65 views

Lightweight way to graphically connect to guest VMs on “headless” hypervisor

Running a Fedora Server 28 hypervisor (QEMU/KVM with libvirt tools) with Windows- and Fedora-based guest VMs. Normally, the hypervisor runs headless with minimal packages installed, and guest VMs are ...
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0answers
18 views

What ('exactly') does TigerVNC server do to “destroy” a CentOS VPS?

What ('exactly') does TigerVNC server do.... FYI: My English is somewhat broken, please give me a chance to ask a very specific question which is not covered much on the current (www) net / web. ...
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1answer
32 views

Wrong keymap in KVM guest

I connect to a KVM host (CentOS 7) by VNC. The keymap on the host is de-ch. While connected to the host i open a guest server (any OS) by the virt-manager and try to login to the guest, but the keymap ...
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0answers
18 views

How to set up a vnc connection through additional server?

I can setup a X11 ssh connection to allow remote display of graphical interface between a computer A and a computer C which can only be accessed through ssh on a computer B. Everything is running on ...
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2answers
4k views

Unable to start VNC server: configured resource limit was exceeded

VNC service was working fine until a recent power outage. When I try to run systemctl start vncserver@:1.service it gives a message as Job for vncserver@:1.service failed because a configured ...
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1answer
140 views

X11VNC dont work properly with gdm3

Im using X11VNC service (installed from packages) and debian 9 with gdm3. I created systemd file: root@PCA55:/home/suser# cat /lib/systemd/system/x11vnc.service [Unit] Description=VNC Requires=...
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0answers
97 views

Access default unity desktop only over VNC connection

I installed Unity desktop on my cloud instance (18.04.1 x64) sudo apt-get install ubuntu-desktop and the VNC Server sudo apt-get install vnc4server What would be the contents of .vnc/xstartup file ...
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0answers
105 views

Mouse freezes on VNC viewers sometimes

I've been using VNC server for more than a year on Ubuntu. I create clones on Amazon AWS which run same VNC server on Ubuntu 16. Since 1 month I'm getting a problem that mouse sometimes freezes and ...
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2answers
3k views

VNC viewer shows black screen for one user and normal for the other

I installed TigerVNC on a CentOS 7 and configured its service for two users (user1 and user2). It worked perfectly until recently. When I try to connect with VNC Viewer with user1 it shows just a ...
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0answers
51 views

TurboVNC displays windows without frames, no menus

I connected to the TurboVNC server version 2.1.2 on Centos7 but the default Gnome Classic Windows Manager seems to missing or corrupted. I have my desktop folders, but no top level menus or status bar....
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1answer
289 views

VNC Server which attaches to current session

I use Debian 9 + fluxbox so there are no 1click enable remote desktop solutions: http://www.penguintutor.com/linux/tightvnc The problem with tightvnc, that (at least by default) it will spawn a ...
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2answers
35 views

Remote desktop connection (vnc) keeps working when restarting iis?

maby it's a simple question. I would like to reset iis on a windows 2003 server via VNC. Doing so would i loose the vnc contact with server during the process? Thank you
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1answer
1k views

Openstack can't connect to instance via Horizon console

I installed Openstack on a machine with Ubuntu Server 16.04 and almost everything works fine, but when I try to connect to the Horizon console of the instance I get the error: Unable to load console....
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0answers
641 views

Trying to get TigerVncServer and Lightdm to work

I'm trying to get Lightdm to start Tigervnc when a user connects, on Ubuntu 16.04 Here is the /etc/lightdm/lightdm.conf I am using:- [XDMCPServer] enabled=true port=177 [VNCServer] enabled=true ...
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1answer
359 views

TigerVNC client cannot connect to VNC server

I am running an RHEL 7 instance in Amazon EC2 environment with VNC enabled and running (TigerVNC server) and listening on the expected ports: $ cat /etc/redhat-release Red Hat Enterprise Linux Server ...
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1answer
202 views

Why does the VNC server lose its configuration when rebooting the system?

I have installed a VNC server but there is a problem, when restarting I lose the geometry and color depth configuration. Having to stop service, reconfigure geometry and color depth. Someone knows ...
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1answer
730 views

Remote access to Windows over a low-bandwidth, high-latency connection?

Is it feasible to operate GUI applications on a Windows PC over a 150Kbps geostationary satellite link? The company I work for sometimes operates data-gathering equipment in remote locations. We ...
0
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1answer
138 views

Arch Server running VNC no longer displaying anything

I have a server running arch, kernel 4.13 that I remote into on a fairly frequent basis. I remote in via a VNC which I have as tigervnc. This has worked for months on end with very little issue. I ...
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0answers
363 views

ubuntu 16.04 vncserver not working

I have an Ubuntu 16.04 droplet on DigitalOcean and I'm trying to set up remote desktop capabilities for it. I followed these instructions through Step 2. However, when I start the VNC server using the ...
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1answer
1k views

Which command is used to establish ssh tunnel in windows? [closed]

I wish to establish a ssh tunnel between windows server and client without port forwarding. I know the command to use to establish tunnel with port forwarding, But i only have a Server and a client ...
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0answers
133 views

VNC session not going through OpenSSH - PuTTY tunnel

I am trying to secure my VNC session using OpenSSH(ssshd) and Putty(client)(everything is on windows) First I establish a tunnel using putty and then log into my server PC using username and password ...
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0answers
819 views

Gnome-session doesn't start with VNC

I have some problems on CentOS7. When I'm connect on CentOS, all si fine, I can go to the menu, I have all my icons. But when I'm connect with VNC on this session, the menu, background disappear. I ...
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1answer
3k views

Use telnet to check that VNC port is open

I am supposed to connect to a Mac VNC/ARD server. Let's say that the Mac VNC server has the hypothetical IP address 8.8.8.8. I want to check if the Mac VNC server even listens to the default VNC port ...
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1answer
118 views

Unable to connect to VNC server over internet

I have a server that I need VNC access to over the internet and I am having an issue. I referenced this site as the way to do it and went to establishing a direct connection over the internet. Here is ...
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0answers
390 views

HOWTO: setup persistent RDP sessions

In an Ubuntu 16.04 LTS server (with XFCE4), I am running X11vnc as a RDP server so people can connect to it from using Windows Remote Desktop (either from Windows or OSX). My current configuration ...
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1answer
183 views

Lenovo ThinkStation P310 headless AMT/KVM

Model:30AT0054PB (ThinkStation P310) SN: S4AM6910 BIOS rev: FWKT80A ME Firmware rev: 11.0.27.3000 Has anybody have any success with running VNC via KVM/AMT connection to P310 in headless mode (...
0
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1answer
394 views

forwarding proxmox vnc websocket with nginx

I installed nginx in order to be a lazy person and just go to proxmox.domain.com instead of proxmox.domain.com:8006, but now I can't access the VNC client when connected to the first address, although ...
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3answers
2k views

Nvidia driver breaks vncserver on CentOS 7.4, is there a work around?

CentOS Linux release 7.4.1708 (Core) uname -r output: 3.10.0-693.2.2.el7.x86_64 NVidia driver: NVIDIA-Linux-x86_64-375.66.run When using the Nvidia graphics card driver with the Nvidia GeForce GT ...
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2answers
9k views

Can't get VNC server to work in CentOS 7.4

I'm running CentOS 7.4 with Gnome and having problems getting the VNC server to serve a Desktop environment for the client. I either get a blank black screen or text with checkboxes. It is running for ...
1
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1answer
4k views

virt-manager Spice copy paste doesn't work

I have a Debian 9 KVM host runs on a dedicated server. I use virt-manager on my laptop (Ubuntu 16.04) to connect it remotely. Everything works quite well except copy/paste actions between VM's SPICE ...
2
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2answers
81 views

Windows remote desktop goes blank on miminize

I have a few users that connect to my server via vnc and share the desktop to work together on a few things work related. I stay connected via remote desktop and they might continue working on our ...
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0answers
148 views

Thin Client setup for nomadic developers

I'm supporting a team of ~10 developers. Each developer machine is running Ubuntu 16.04.1 and each developer has their own desktop tower. This setup works well but locks that developer to their desk. ...
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1answer
2k views

Redirect/tunnel (Tight)VNC traffic over (Open)VPN connection? (Windows)

(updated routes list/OpenVPN connection data to reflect the current situation) This probably has been asked/answered before, but i'm really lost (and i can't comment on other/existing questions yet ...
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1answer
5k views

x11vnc on Ubuntu 16.04 Gnome with systemd

I am having troubles to start x11vnc service on Ubuntu server 16.04 Gnome. It used to work just fine under 14.04. Not sure if related to x11vnc itself or the systemd. Here is the systemd service file ...
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2answers
70 views

Remote access to many Raspberry Pis. How?

Let's say I have 20 Raspberry Pis each located in different cities. I want to be able to monitor them, transfer files to/from them, control them, etc. remotely and securely from my office. I searched ...
3
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1answer
6k views

How to connect over VNC to server ILO Remote Console?

I have HP server in my house, in garage. I have connected to that server one LAN cable and one LAN cable to ILO port. I can successfully open ILO over browser but cannot connect over remote console in ...
0
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1answer
699 views

TigerVNC session timeout

I have installed TigerVNC on my DigitalOcean FE24 box following https://docs.fedoraproject.org/en-US/Fedora/21/html/System_Administrators_Guide/ch-TigerVNC.html. I start my vnc server with the ...
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0answers
42 views

Linux ThinClients show MAC but not originating IP on RDS servers

We have an issue where we cannot find our remote workers' Linux (ThinStation OS) thin clients' IP addresses. Our people work at 4 remote facilities and remote into an RDS cluster in our data center (3 ...
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4answers
144 views

Best way to disable SSH for all users?

For security reasons I want to turn off SSH when I don't use it and turn it on again via a VNC connection as I can connect to my web server remotely over the Digitalocean control panel's console ...