Hot answers tagged

60 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 ...
aaronP's user avatar
  • 699
31 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 ...
isantos's user avatar
  • 411
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 ...
Cerniuk's user avatar
  • 340
21 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 ...
Andrew Wedgbury's user avatar
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 ...
aibrahim's user avatar
  • 757
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-...
flakeshake's user avatar
  • 6,215
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 ...
Andrew Wedgbury's user avatar
15 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 ...
RalfFriedl's user avatar
  • 2,188
14 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 "...
thestevenbell's user avatar
13 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 ...
Bill Anon's user avatar
  • 133
12 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 ...
sonofusion82's user avatar
10 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.
Milliways's user avatar
  • 58.6k
10 votes
Accepted

Xorg doesn't start after upgrade from Stretch to Buster

After enabling ssh, I could figure out that the xserver did not start. startx said "no screens found". So I tried out all the ways to config the pi in headless mode Editing the config.txt ...
Red's user avatar
  • 149
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
alkey's user avatar
  • 261
9 votes
Accepted

Forgot password for username pi

to reset your password: Power down and pull the SD card out from your Pi and put it into your computer. Open the file 'cmdline.txt' and add 'init=/bin/sh' to the end. This will cause the machine to ...
Xilef's user avatar
  • 106
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 ...
Andrew Wedgbury's user avatar
8 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 ...
Dan's user avatar
  • 181
8 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 ...
Luis Augusto Libório's user avatar
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.
rxliuli's user avatar
  • 171
8 votes
Accepted

Remmina does not connect to Raspberry Pi Bullseye after RealVNC-server update

I'd recommend using RealVNC's VNC Viewer - it's free to use and guaranteed to work with the RealVNC VNC Server. You can download it here: https://www.realvnc.com/en/connect/download/viewer/ However, ...
jackyaz's user avatar
  • 96
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://...
RobRalph's user avatar
  • 131
6 votes
Accepted

/etc/init/d/tightvncserver script fails at boot

If you are running Jessie this should be started with a systemd service. I copied from https://www.raspberrypi.org/forums/viewtopic.php?t=123457&p=830506 Create a new file /etc/systemd/system/...
Milliways's user avatar
  • 58.6k
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 ...
Mustafa Sabur's user avatar
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 ...
Milliways's user avatar
  • 58.6k
6 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`

Try using the realvnc viewer. There is some difference in the security settings between the two which produces that message.
Steve Robillard's user avatar
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 ...
Steve Robillard's user avatar
6 votes
Accepted

How to run VNC Server automatically at boot?

Simply enable the VNC server using raspi-config, and it will be started automatically during boot. Make sure to also set "boot to desktop", so that there's a GUI running to use with VNC. And use the ...
TheDiveO's user avatar
  • 1,581
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 ...
panurge's user avatar
  • 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 ...
Michael Harvey's user avatar

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