x11VNC on Ubuntu 14.04

CrankyOldBugger crankyoldbugger at gmail.com
Thu May 8 21:18:12 UTC 2014


Actually work is indeed blocking 5900, but I beat them by using a different
(unblocked) port then having my router flip it over to 5900.

I'll have a look at Remmina for fun.

And you're not my uncle, Bob.  You're too young!



On 8 May 2014 17:05, Bob Jonkman <bjonkman at sobac.com> wrote:

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> I remote everything through SSH tunnels.  There's an app for that,
> ssvnc, available in the Ubuntu repositories.  Of course, it means you
> need to run sshd on your host (available in the openssh-server
> package).  Remmina (graphical remote viewing client) also supports ssh
> tunnelling.
>
> Is it possible your workplace is blocking port 5900 (the default for
> VNC)? If they're into port blocking then you may not have any luck
> with ssh (port 22) either.  To circumvent that, I sometimes configure
> my router to NAT port 443 (https) to port 22 (ssh). Very few
> workplaces block port 443, so I can use that to remote into my
> servers. A bit of ssh port forwarding magic to tunnel VNC, and Bob's
> your uncle.
>
> Command line for ssh VNC tunnel with NAT on port 443:
>
>  ssh -p 443 -L 5900:localhost:5900 crankyoldbugger at yourserver.example.com
>
> Invoke VNC as though you're connecting the local machine
>
>  vncviewer localhost
>
>
> Note that "localhost" on the ssh command refers to the remote host
> computer, but "localhost" on the vncviewer command refers to the
> computer you're sitting at.
>
> - --Uncle Bob.
>
>
>
> On 14-05-08 11:41 AM, CrankyOldBugger wrote:
> > Has anyone been able to get x11VNC working on Ubuntu 14.04?  I had
> > it running fine on 13.10 but so far no joy on 14.04.  It installs
> > fine but I can't connect to the host.  Error is "No connection
> > could be made because the target machine actively refused it".
> >
> > I'm using the same port forwarding settings that I had running on
> > 13.10 so it's not my router that's causing the break.
> >
> > I can ping the laptop by name remotely so my dyndns is working.
> >
> > I can Putty to the laptop (by FQDN) and get a login prompt
> > (although for some strange reason it wouldn't take my password).
> >
> > I'm trying to set up my laptop at home so I can connect to it from
> > work, with a full desktop similar to RDP.  x11vnc was pretty snappy
> > in 13.10 but I'm open to other ideas if anyone else is getting a
> > full desktop display in 14.04.
> >
> > Thanks!
> >
> >
> >
>
>
>
> Bob Jonkman <bjonkman at sobac.com>          Phone: +1-519-669-0388
> SOBAC Microcomputer Services             http://sobac.com/sobac/
> http://bob.jonkman.ca/blogs/    http://sn.jonkman.ca/bobjonkman/
> Software   ---   Office & Business Automation   ---   Consulting
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