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56 votes

Access to Raspberry Pi VNC session from Mac OS X

Headless VncServer Configuration If you need to configure accessing the pi with osx's Screen, but only have headless access to the pi, you can use a vnc config file. Enable VNC: sudo systemctl enable ...
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  • 659
34 votes

TightVNC connection refused

I know this was asked a long time ago, but I found an solution to this problem. If you start it using display :1 (or something more than 0), you have to enter the IP like this: 192.168.x.x:590<...
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  • 441
29 votes

How to set VNC security settings using SSH? `No security types supported. Server sent security types, but we do not support any of them`

To be able to use a non-compatible realvnc client you have to downgrade the security of the realvnc server to use vnc password authentication. To be able to to this without a desktop connection open ...
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  • 391
23 votes

Access to Raspberry Pi VNC session from Mac OS X

The best part of using your Mac to access the Raspberry Pi's screen is that you don't need to install anything on the Raspberry Pi or the Mac. (KISS rule applied!) This is good because software ...
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  • 340
19 votes
Accepted

Access to Raspberry Pi VNC session from Mac OS X

Either install the RealVNC viewer on your Mac, or change the authentication type on the server to "VNC Authentication" and set a suitable VNC password. The Mac viewer doesn't support RealVNC's system ...
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19 votes

I failed to remote connect to Raspberry Pi 3 from Ubuntu

later I found out another solution to make it work for Remmina 0.9.99.1. You can change the security authentication for the VNC server to be VNC Password instead of Unix password and create an admin ...
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  • 747
16 votes

Should running VNC on Jessie Lite "just work"?

The error message is quite clear. You are missing a X enviroment , so install it : sudo apt-get install xserver-xorg-core xserver-xorg-input-all \ xserver-xorg-video-fbdev libx11-6 x11-common \ x11-...
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  • 6,015
15 votes

How to increase resolution on latest Raspbian Pixel while connected to VNC client?

In the desktop menu, go to Preferences > Raspberry Pi Configuration and click the "Set Resolution" button. Or, from the terminal, run sudo raspi-config and choose Advanced Options > Resolution. If ...
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13 votes

Sending Raspberry Pi Camera preview to a laptop running VNC Viewer

See @Andrew Wedgbury 's comment to the accepted answer. " It is now possible to do this over VNC. If you're using the RealVNC server on the Pi, go to VNC options > troubleshooting and enable "...
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12 votes

How to set headless VNC resolution using real VNC?

My solution for this problem of resolution being stuck at 640x480 wwith RealVNC access to a headless Raspberry PI with Raspbian Buster was not exactly listed in the answers above, and to compound ...
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  • 123
12 votes

Forgot password for username pi

The hashed password is stored in /etc/shadow. There is no efficient way to find out what the password is, by design. However, it is easy to reset as long as you have physical access. Start a Linux on ...
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  • 2,160
11 votes

I failed to remote connect to Raspberry Pi 3 from Ubuntu

I've just encountered the issue too. As an alternative to aibrahim's method if you are doing it remotely via ssh, here's my steps to VNC to display :0. Setup password using sudo vncpasswd -service ...
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10 votes

Auto start TightVncServer on Raspberry Pi 2

To do this you can use a little bit of Linux cleverness. Our first task will be to edit the file /etc/rc.local. This file can contain commands that get run on start-up. If we look at the file we can ...
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  • 1,806
9 votes
Accepted

Default VNC server not viewing correctly in VNC viewer

Ok I solved this problem by adjusting the display options in Raspi-config. Using the following: sudo raspi-config Advanced Options > Resolution > DMT Mode 85 1280x720
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  • 261
8 votes
Accepted

VNC server not licensed correctly

A new version of RealVNC Server was made available in the repositories yesterday. If you have recently updated your packages and installed this new version, then you will need to restart any running ...
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8 votes
Accepted

VNC error "No configured security type is supported by 3.3 VNC Viewer"

You have 2 options Install tightvncserver on the Pi, or Install RealVNCviewer on your computer.
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  • 53.5k
8 votes
Accepted

Raspberry Pi 4 VNC Remote Connection Desktop Error

Yes, in addition to the above two operations must also set the resolution, the specific location in Advanced Options > Resolution, select the appropriate resolution.
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  • 171
7 votes
Accepted

Sending Raspberry Pi Camera preview to a laptop running VNC Viewer

The camera preview seems to be handled on a low level in the GPU, and is visible only on a monitor connected directly to the Pi. Any program that shows the camera image in a regular X window should be ...
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  • 2,241
7 votes

Raspberry pi 3 - Can't enable VNC

It turns out when installing real vnc server I left out -y what fixed everything was adding the below: sudo apt-get install -y realvnc-vnc-server and then rebooting I found the answer here: https://...
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  • 131
7 votes

VNC error "No configured security type is supported by 3.3 VNC Viewer"

I ran into this trying to access a Raspberry Pi using UltraVNC on Windows 10. The solution is to go into the VNC Connect Options on the Raspberry Pi desktop, on the first tab "Security" change the ...
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  • 171
7 votes

How to set headless VNC resolution using real VNC?

Thank you so much!! I've been trying really hard to solve this problem, and this is it, as you said: in the config.txt file, comment those lines: #Enable DRM VC4 V3D driver on top of the dispmanx ...
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6 votes
Accepted

How to view videos played on omxplayer via ssh or vnc?

All hardware accelerated players go directly to the video hardware (overlay). You can only view them on a monitor connected directly to the Pi.
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6 votes

Forcing resolution on display :0 when HDMI is not connected

Set or uncomment, the following lines, in /boot/config.txt hdmi_force_hotplug=1 hdmi_group=1 hdmi_mode=16 # (or any other pi resolution you want, 16 is for 1080p) Reboot your Pi (sudo reboot) and ...
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6 votes

VNCViewer fonts

The fonts are missing because the xfonts-base package is not installed on your server. Install it with sudo apt-get install xfonts-base
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  • 71
6 votes

Is my code too intensive on the cpu?

I'm assuming you have an RPi 1 (single core processor). Your code is far too intensive for any single core machine, and is terribly inefficient (but may sorta work) on a multicore machine. The ...
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  • 11.7k
6 votes

Access to Raspberry Pi VNC session from Mac OS X

For RealVNC you NEED to use their proprietary viewer. (It may be possible to use the macOS screen sharing with additional software, but X11 has not been included on the Mac for some years.) You can ...
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  • 53.5k
6 votes

I failed to remote connect to Raspberry Pi 3 from Ubuntu

The simplest solution is to install RealVNC Viewer. You can download it from here, and it is available for Linux, MacOS and Windows. The issue is with the encryption schemes used by different VNC ...
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6 votes

xrdp service fails to start after reboot

Still an issue??? Did you mount /var/log tmpfs??? Seems that xrdp at startup expects a file /var/log/xrdp.log, owner xrdp:adm, access 640 to exist and if not fails So try: Disable automatic start ...
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  • 61
6 votes
Accepted

How to prevent VNC Viewer window to headless RPi4 from automatically closing after a while?

By default, the RealVNC server in Raspbian Buster on the Rpi 4 has a 3600 second (one hour) idle timeout. To alter this while in a VNC session: (1) Right click the VNC server icon on the Raspbian ...
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