Hi Chris,
I just checked and I could create tunnels and connect to the VNC server in the image through the tunnel. I also checked the server configuration and didn't find any restriction on tunnel creation which would explain the problems you experienced. One thing I would try is to use 127.0.0.1 instead of localhost in the command, because localhost is just a name that can resolve to whatever address on the server:
ssh -L 5901:127.0.0.1:5901 chrismuller@andreas
Levente
On Tue, 2 Oct 2018, Chris Muller wrote:
As I'm no longer able to VNC into ss-andreas, I'm not able to do any diagnostics on the production server. I emailed about this a few weeks ago but got no responses.
Remmina is suddenly refusing to connect, and I see this message in my terminal window:
channel 3: open failed: administratively prohibited: open failed .
I'm tunneling port 5901 to that on my localhost when I log in:
ssh -L 5901:locahost:5901 chrismuller@andreas
and then connecting Remmina to localhost:5901. I tried using ssh within the tunnel, I didn't see the "administrative message" but Remmina locked up.
I never had this problem before, and not expert enough with SSH and haven't had time to google it. Sorry.
- Chris
On Tue, Oct 2, 2018 at 12:08 PM Levente Uzonyi leves@caesar.elte.hu wrote:
My impression is that these slowdowns are present since the update to the Magma backend. I haven't seen the code yet, but I presume the code accessing data from Magma is responsible for this, and someone familiar with Magma can easily fix it.
Levente