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INDI Library v2.0.6 is Released (02 Feb 2024)

Bi-monthly release with minor bug fixes and improvements

Installing INDI/KSTARS-EKOS on a NanoPC-T4

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Is the basic setup as you think it is and getting through any firewall?
If you have something like telnet on the MAC client.
[tg@tcup]$ telnet obs 5905
Trying 192.168.1.108...
Connected to obs.
Escape character is '^]'.
RFB 003.008
Also some clients only need the last digit of the port #.
/Tom
5 years 7 months ago #28474

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Thanks Tom. I got this:

Peters-Air:~ peterkennett$ telnet 192.168.1.73 22
Trying 192.168.1.73...
Connected to friendlyelec.
Escape character is '^]'.
SSH-2.0-OpenSSH_7.2p2 Ubuntu-4ubuntu2.4

So I have no problem connecting to the NanoPi from my MacBook via Telnet.
But no VNC, not with the built-in VNC client, not with JollyFastVNC Pro, not with VNC Viewer, and not with Chicken of the VNC. :(
5 years 7 months ago #28505

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Can you run "netstat" on the nanopc? If the service is running, there should be port 5900 in the list.

-Eric
Last edit: 5 years 7 months ago by Eric.
5 years 7 months ago #28528

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I remember when I was installing some version of VNC and it had port 22.
Perhaps this is the real issue. I am having problems installing RealVNC so I need to install something else.
I thought Lubuntu had a VNC server included in the OS.

PK
5 years 7 months ago #28532

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Sorry, Peter, my fault. RealVNC is not (yet) compatible with Ubuntu 18 based systems.
Here the instructions I found for installing VNC on OS 18 systems:
linuxconfig.org/vnc-server-on-ubuntu-18-04-bionic-beaver-linux
Please note, I have not yet tried this. I am holding out until I REALLY have to "upgrade", knowing full well that it will probably take me a couple of hours at least to unbreak my system again.
Greetings from Ubuntu 16.04.....
Jo
The following user(s) said Thank You: Peter Kennett
5 years 7 months ago #28533

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If vnc is using port 22, it means there's a special configuration to have it go through ssh. There should be documentation to explain the default.

I'll just describe my own setup. I installed TigerVNC because the documentation is simple and clear. I have automatic login enabled, and x0vncserver configured to start in the background in the user profile. I configured the vnc password for my local user with vncpassword. The connection port is the default 5900, and there is no further security involved than the WiFi connection, and the VPN when accessing the computer from outside my local network.

I had this use case planned from the beginning, and I must admit I was quite angry against most vnc packages only documenting the unintuitive full-vnc user session. That is only useful for multi-user servers, not in our situation where we configure the system with a screen connected, then move it headless to the telescope setup.

EDIT: TigerVNC is only available on arch x86, I just wanted to describe my setup, in case the issue is configuration.

-Eric
Last edit: 5 years 7 months ago by Eric.
5 years 7 months ago #28536

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Yah, I just got an email from RealVNC: Linda RealVNC (RealVNC) that stated "Unfortunately, we only support the Raspberry Pi on the ARM chips."
:(
5 years 7 months ago #28540

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I think that only applies if you are using Raspbian as your OS.

Since you are using Lubuntu, the regular *Linux-x*.deb installation file is what you would want.
Regardless, RealVNC may only be compatible with 16.04 LTS+, it does not mention 18.04.

If you can't install it via the .deb file
www.realvnc.com/download/file/vnc.files/...-6.3.1-Linux-x64.deb (64-bit version)
www.realvnc.com/download/file/vnc.files/...-6.3.1-Linux-x86.deb (32-bit version)
that's where the problem likely lies.

Unless...
Did you try those or did you try installing the Raspbian (ARM) version? That may not work.
I am also running RealVNC on my Raspberry Pi3 and since I am using Ubuntu MATE on it, I think I had to install the Linux-x64.deb version, NOT the Raspbian version, on it.
Last edit: 5 years 7 months ago by Jose Corazon.
5 years 7 months ago #28543

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I downloaded both of those files above, and when I launch them the installer says "incorrect architecture".
PK
5 years 7 months ago #28544

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In that case I may have been mistaken. Since I am away from home, I can't check which version I actually have on my Pi3. Sorry if I wrote something misleading here. I do remember that I also went through this by trial and error, but in the end everything worked fine.
Jo
5 years 7 months ago #28545

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I am not installing on a Pi3, but a NanoPC T4 which uses a RK3399 cpu.
5 years 7 months ago #28546

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Got it. I was just saying that if your nanoPC uses the ARM architecture, then my statement that I installed a non-ARM version of RealVNC on my Pi3 was likely incorrect. I needed to amend that before someone else gets misled.
5 years 7 months ago #28547

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