Questions tagged [vnc]

Virtual Network Computing (VNC) is a desktop sharing system that uses the RFB protocol to remotely view and control another desktop.

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19 views

SSH and VNC functionality stops working after a week or so

I'm running a raspberry pi 4 model B as a private server using raspbian. When I set it up and enable ssh and vnc functionality I can access it via both of those methods from other computers just fine. ...
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14 views

Raspberry pi3 - Cannot show desktop

After some updates on my RPI3 running openmediavault, I cannot vnc into the system. I have tried them all by changing any resolution, enabling vnc in the raspi-confing settings and even mv .Xauthority ...
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GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: [closed]

GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: An authentication agent already exists for the given subject
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Raspberry Pi wiping PW after reboot

So I recently invested in a raspberry pi 400 running up to date raspberry pi os. After numerous reboots whilst tinkering and setting up ssh/ vnc i followed the systems warning to change the default ...
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Wireless network does not appear in Raspberry Pi 4B list of available networks

I am extremely new to Raspberry Pi and am having difficulty getting a 4B to connect to a wireless network. What I have tried thus far is: Edited the wpa_supplicant.conf with sudo nano /etc/...
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90 views

After fresh install of Raspberry OS the menu bar is missing in tightvnc session, how to fix?

The menu bar is only missing in the tightvnc client display :1 whereas it is present in the session connected to a hdmi monitor. On the hdmi monitor session I can open an lxterminal (about says 0.3.2) ...
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24 views

RealVNC Connection Problem

I have a question regarding RealVNC and the Raspberry Pi 3B. I can't connect to the Raspberry pi and I get following error message: "Timeout while waiting for a response from the computer". ...
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2answers
34 views

Raspbian Buster VNC Viewer LXTerminal prompt is basic

I use VNC to connect from my Windows 10 laptop to my Raspberry Pi 3 running Rasbian Buster. It all works fine as expected except for the LXTerminal window not displaying the full command prompt. When ...
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34 views

raspberry pi - vnc viewer wrong resolution

I know this is a old topic but even after reading dozens of comments i couldn't solve the problem. With hdmi plugged to raspberry everything is fine. When I don't plug HDMI my resolutioin is too big(...
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2answers
795 views

RealVNC Server on UBUNTU 20.10 (ARM64) on Raspberry Pi 4

RealVNC only provides a 32bit app for Raspberry Pi OS (32bit) and not a 64bit native application, at least for now. I'm using Ubuntu 20.10 on my Raspberry and need to use RealVNC to remotely access ...
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43 views

Connect two raspberry pi via usb to one pc

I have one raspberry pi zero connected to my windows pc via usb. It is connected as an RNDIS Gadget. I use VNC to operate it headless. I would like to connect a second pi zero in the same way. Is ...
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59 views

Raspberry doesn't show the desktop through VNC viewer

I'm trying to connect to my raspberry pi through VNC Viewer. It connects perfectly (it is connected to my router, and I'm able to connect both via VNC and SSH). The only issue that it appears is that ...
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107 views

Cannot SSH or use VNC (but can ping) [closed]

I can't seem to SSH or connect using VNC viewer from my desktop PC to my pi 4 on raspbian, but I can ping it and connect to it on my other devices connected to my home network. Although unlike other ...
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1answer
43 views

Can I SSH even if I am to connect my Raspberry Pi 4B with a 3.5 inch TFT display

This is kind of a stupid newbie question but once I have my display up and running and I'll be displaying the stats of my system on it alongside stats from Pi-Hole. Will I be able to use SSh from my ...
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38 views

Raspberry Pi based always-online harddisk from which I can stream a “remote” android app to my smartphone

I use a popular app called readera to read and manage ebooks on my android smartphone. I want to have all the ebooks on a 2TB portable harddisk that remains connected to a raspberry Pi at all times. ...
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2answers
153 views

Raspberry Pi does not connect via ethernet or wireless. Remote connection isn't working

Until recently, my Pi 3B was working perfectly fine on VNC using ethernet with my windows 10 laptop. The problem started after I took out my SD card one day I believe. The IP was still showing up on ...
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34 views

Autostart works only in VNC, but not on physical screen

I have connected a screen to Raspberry Pi 4 b+ and from a Windows 10 PC I have a VNC session to the Raspberry Pi. On the Raspberry Pi, I have added an autostart "script" and it works well... ...
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94 views

headless screen resolution poor, Pi4, buster as of 10'2020

Operating rpi4 with rspbian buster without monitor plugged in ('headless') using remote access e.g. VNC or Anydesk I get a poor resolution of 640x480 (or so). When a full-hd monitor is plugged in ...
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1answer
46 views

Log into VNC as ROOT rather than pi

I am doing some hardware development and I need to run my apps as root to access the low level hardware on my pi 4. I do my development over VNC and the default VNC user is 'pi' rather than root. ...
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1answer
150 views

swap control and capslock as default (especially for virtual display)

I'm new to Raspberry Pi, but not to linux - though I've never been clear on details like keyboard mapping. And I'm the type who has become addicted to swapping the capslock and control key. I normally ...
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1answer
108 views

VNC client on Raspberry Pi

is there a VNC-client (not server!) to view a remote windows desktop on raspberry pi, i.e. the pi attached to my TV? So that I can see my windows desktop PC there? I found lots of solutions, where the ...
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20 views

Help with Pi4, xdotool not registering input unless chrome already open

Hoping someone may be able to help - have a freshly installed Pi4, Raspberry OS / Buster. Device was headlessly installed (has never had output connected, and I think this may cause issues later), and ...
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2answers
100 views

Trouble connecting to headless raspberry pi zero with VNC

I installed Raspbian on the Pi's SD card, and got the Pi Zero to successfully boot up and connect to my home network via Ethernet (I don't have the Pi Zero W, but instead the model without wifi). I ...
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1answer
88 views

Setup Static IP over Ethernet to USB for Mac OS

I managed to set up static IP for my RPi3 for wlan0 following this Instructable. I used this technique for VNC. I want to connect my RPi3 to my Mac over Ethernet to USB Cable and start VNC session. ...
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1answer
85 views

How to deal with VNC login issues and error

I'm doing a project with a Pi 4B, the official touchscreen and the latest version of Raspberry Pi OS. I would like to connect to the Pi via VNC (RealVNC Viewer on Windows 10) at a higher resolution ...
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529 views

How do I start VNC on startup of Raspberry Pi 4? [closed]

How can I run VNC on each boot? Note: I use TightVNC server and Raspberry Pi 4 and Raspbian Buster
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62 views

Screen Configuration does nothing, and nothing I do seems to change the desktop resolution in VNC

I connect to a headless Pi from my Mac. I've set resolution in raspi-config, I've manually edited /boot/config.txt, and when I select Screen Configuration at the desktop (VNC'd in from the Mac) ...
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49 views

tightvncserver and autocutsel not starting via xstartup

The solution posted here: TightVNC copy/paste between local OS and Raspberry Pi? seems like the solution to make sure you can copy and paste between the host and the client, however, the only solution ...
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695 views

How do I fix a black screen in Kali VNC?

I have kali linux 2020.2b installed on my RPI and am having extreme trouble with VNC. With a default installation, every time I tried to connect to the RPI using VNC, I always got an error saying the ...
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2answers
252 views

Xorg doesn't start after upgrade from Stretch to Buster

After I upgraded my Pi 3B+ from Stretch to Buster, the X Server does not come up again. I cannot access the desktop/window manager. As the machine is just for remote logins, the first symptom is that ...
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15 views

Project interface between raspberry Pi and Android computer based

Hi I have 3D Printer which is based on that computer: http://www.bcmcom.com/bcm_product_AR6MXCS.html It has the usb ports and when I plug the mouse, I can moving and clicking the mouse on the screen (...
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1answer
81 views

Remote Desktop Connection and VNC Viewer give error on connecting with RPi Zero

I used to work on my Rpi zero on same windows 10 laptop via both remote desktop connection and VNC viewer. There was no issue at all. Then I didn't use my RPi for few months, and after that it won't ...
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74 views

Video preview of headless pi4/v2 camera board with VNC viewer

I have a raspberry pi4 connected to the SmartPi Touch2 screen and the Pi v2 camera board. I remotely access the pi from my laptop with the VNC viewer - having already enabled the experimental direct ...
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41 views

Cannot connect to Kali RPI over wifi after disconnecting ethernet

I tried to look over the internet, youtube and on this website to fix this but no luck resolving. I have Kali on RPI version 2020.2b which I reinstalled for 3 times now because the answers that I ...
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1answer
525 views

Why can't I access camera through my remote desktop?

I am currently running ubuntu 18.04 and I have a picamera connected to my rpi. When I use the main display and connect the rpi to my screen via HDMI, I can access the camera using the opencv library ...
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26 views

how to improve real-time image processing performance

how are you? I hope you all do well. If someone could help me with an issue I would be very grateful, I am working on my Final Paper on my raspberry pi 3b, and I noticed when run remotly on VNC that ...
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1answer
34 views

Re-establishing SSH without VNC, HDMI

My Raspi has suddenly stopped working with VNC viewer, HDMI, and SSH (which is enabled). Before this happened, I connected via SSH, and added the Raspi to my home network as well as VNC viewer. My ...
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27 views

Using GL driver and VNC shows “Unable to connect to desktop”

I need to enable GL driver on my RPI 3, But when I try to connect to it using RealVNC with GL driver on, it says unable to connect to the desktop, but my Pi is running fine when I hook it to my ...
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1answer
47 views

RPI 3B+ refuses ssh and VNC connection

I have a Rpi 3B+ that I set up yesterday to work with Kodi as a media center through a WiFi connection. The only problem is that yesterday I could connect via VNC and ssh to the Rpi, and today I can't....
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1answer
769 views

Private key auth for VNC server

I've locked down SSH using a private key and would like to do the same for VNC Server. having a look for guides but haven't found much yet. If someone could point me in the right direction it'd be ...
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0answers
53 views

SSH lags, freezes, hangs intermittently

Rpi is up to date, I have experienced the "hangings" with or without my high speed usb dongle. They happen on both my Rpis 4. When I use VNC or simply SSH into my Rpi (4gb), everything is fluid, but ...
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1answer
27 views

VLC over VNC to iPhone VLC window ok with monitor connected but when headless VLC window clipped at top and bottom

rpi B+ latest raspbian and RealVNC iPhone 6 with latest With monitor attached works fine. Subsequent headless operation has all objects appearing larger and top and bottom of VLC window clipped
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1answer
38 views

How can I use copy to/from command in VNC on pi in my python code?

I am working with Raspberry Pi-0. Currently I am copying data from/to windows using VNC button at top. I want to do it using python code i.e I want to access the commands used by VNC on Pi to copy ...
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1answer
53 views

vncserver don't work by no error in raspberry

I have one raspberry zero which settled before correctly and can connect to it by LMDE Linux, but after changing the Linux ti Ubuntu i have problem in working by ti and asked here: Ubuntu WiFi ...
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1answer
236 views

Real VNC Viewer does not connect after reboot [closed]

I am running my Pi 4 headless using VNC. Everything works as expected, however when I reboot the Pi, VNC does not reconnect unless I physically connect a monitor directly to the HDMI port on the Pi. ...
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1answer
623 views

How to setup static IP address on RPi 4 with VNC support

I have a RPi 4 running Raspbian buster. I would like to setup a static IP address for it with support for VNC. I have tried a number of tutorials and I have succeded in making a static IP address for ...
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1answer
2k views

Error in sudo apt update

I have a raspberry pi 3 b model with raspian Buster installed. I have connected it headless and am using putty and vnc viewer to access it. I am trying to update it using sudo apt-get update. The ...
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1answer
123 views

Realvnc - Trouble connecting using hostname

Hi I am having trouble connecting to Pi3B (Buster) using wifi. It works fine when using IP address but gives "No such host is known" when entering its hostname for access? I tried entering the ...
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1answer
623 views

VNC/Screen Mirroring over raspberry pi 4 hotspot

So far found ways to set up a VNC server with the local network. However, I'm looking for a way to create a hotspot that bridges a wifi connection on the pi and host a VNC server (such as RealVNC) or ...
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1answer
33 views

remote connecting to laptop

I have connected my raspberry pi model 3 B to my laptop remotely using SSH. I am able to connect to the terminal, but when im trying to view using VNC viewer all I am getting is a gray screen.

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