Re: How to tell if tightVNC client is installed on a linux machine?

IMO simplest and fastest is if you have a way to connect to the VNC
server with anything other than a 6 character password.

TightVNC was supposed to be the first and may be still one of the few
to support authentication by certificate.

Once logged into the VNC Server, you can query for the VNC installed
(do you know how to query installed packages on Ubuntu?)

A quick search suggests that vino is the default VNC server for most
Ubuntu flavors, but several will install something different (eg
kubuntu). The following is from a 2017 Ubuntu wiki article but doesn't
seem to have been updated so may still be authoritative.

https://help.ubuntu.com/community/VNC/Servers

Tony

On Fri, Jun 19, 2020 at 5:57 PM Robert McConnell <[email protected]> wrote:
>
> On 6/19/20 7:44 PM, Fran_3 via VNC-Tight-list wrote:
> > Trying to log on to a Ubuntu Linux server using PuTTY and find out if TightVNC client is is installed on the linux box.
> > The  linux box is on a small peer-to-peer network with a couple of Win-10 PC's.
> > The Win-10 PC's have TightVNC server on them and we normally access them remotely through the Linux box by using a Win10 laptop with MobaXterm setup on it.
> >
> > Guy who set this up is gone.
> > I want to skip MobaXterm and use PuTTY to log on to the Linux box.
> > I can in fact log on to the Linux server using PuTTY on the off site laptop... but what to do next is the basis for the 4 questions that follow...
> >
> > First Question:As I understand it...- the Win10 PC we want to access is running VNC server- the other PC is running VNC client... right?
> > Second Question:In this case would the Linux box be running the VNC client or would I need VNC client on the laptop at my off site location?
> >
> > Third Question:As I can now log on to the Linux command line using PuTTY... is there a command I can run to see if the Linux box has the VNC client on it?
> > Fourth Question:If the Linux Box is running VNC client, what command line instruction would I give it to launch the VNC client interface so that I can instruct it to connect to the VNC server on PC-1 on the local network?
> > Remember, I'm remote using a Win10 laptop and connecting via PuTTY to the Linux Server which is on the same local network with the 2 PC's each of which has the VNC software on them.
> > I'm new to all this so thanks for your patience and assistance.
> >
> > Fran
>
> You can only run the VNC client on the computer attached to a monitor
> you are looking at. Otherwise, you cannot see the results.
>
> The quickest way to find the TightVNC client is the enter 'man
> vncviewer' on the command line. If it is installed, you will get the
> usual manual page, if not - you won't. That will also give you the
> details you need to use the viewer.
>
> --
> Bob McConnell
> N2SPP
>
>
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