VNC via SSH stopped workingvnc over ssh port assignmentvnc connection working with PuTTY but not with command...
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VNC via SSH stopped working
vnc over ssh port assignmentvnc connection working with PuTTY but not with command lineinitiate ssh connection from server to clientVNC & SSH : local (win-putty) -> hop (linux) -> remote (linux)ssh connection refused from same PC when going outside local networkSSH Tunneling to VNCServerSSH Configuration Help / Can't tunnelUnable to Connect to VNC Server Using SSH Tunnel
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Any idea why VNC stopped working after setting up SSH for authenticating with keys only? (No password)
I use Debian 10 and tightvnc server with tigervnc client. It has worked nicely until now.
Here's what I get when trying to establish the SSH tunnel:
ssh -L 5901:localhost:5901 user@pokip.se
bind [127.0.0.1]:5901: Address already in use
channel_setup_fwd_listener_tcpip: cannot listen to port: 5901
Could not request local forwarding.
I find this in the log after attempting to connect with TigerVNC Client:
/var/log/auth.log
Oct 7 06:24:17 pokip sshd[4686]: error: connect_to localhost port 5901: failed.
channel 3: open failed: connect failed: Connection refused
Another thing I did before it stopped working was to create a pair of keys on my wifes computer and VNC into the server from there to my usual sudo account on the server. Worked! Then I went back to my own computer and could not do VNC from there anymore. I can still SSH in with keys though.
ssh tightvnc
asked 27 mins ago
RimfireRimfire
101 silver badge5 bronze badges
add a comment
|
Any idea why VNC stopped working after setting up SSH for authenticating with keys only? (No password)
I use Debian 10 and tightvnc server with tigervnc client. It has worked nicely until now.
Here's what I get when trying to establish the SSH tunnel:
ssh -L 5901:localhost:5901 user@pokip.se
bind [127.0.0.1]:5901: Address already in use
channel_setup_fwd_listener_tcpip: cannot listen to port: 5901
Could not request local forwarding.
I find this in the log after attempting to connect with TigerVNC Client:
/var/log/auth.log
Oct 7 06:24:17 pokip sshd[4686]: error: connect_to localhost port 5901: failed.
channel 3: open failed: connect failed: Connection refused
Another thing I did before it stopped working was to create a pair of keys on my wifes computer and VNC into the server from there to my usual sudo account on the server. Worked! Then I went back to my own computer and could not do VNC from there anymore. I can still SSH in with keys though.
ssh tightvnc
asked 27 mins ago
RimfireRimfire
101 silver badge5 bronze badges
The message "Address already in use" says that there is already something listening on that port (5901) in your case. Try to figure out which program that is or us another port ie. 5910:localhost:5901 if VNC is listening on 5901.
– Lambert
16 mins ago
Restarted vncserver, but it still says 'already in use. Now I noticed that VNC works if I connect without SSH. Serveradress:5901 port works, just not with SSH for some reason?
– Rimfire
7 mins ago
add a comment
|
Any idea why VNC stopped working after setting up SSH for authenticating with keys only? (No password)
I use Debian 10 and tightvnc server with tigervnc client. It has worked nicely until now.
Here's what I get when trying to establish the SSH tunnel:
ssh -L 5901:localhost:5901 user@pokip.se
bind [127.0.0.1]:5901: Address already in use
channel_setup_fwd_listener_tcpip: cannot listen to port: 5901
Could not request local forwarding.
I find this in the log after attempting to connect with TigerVNC Client:
/var/log/auth.log
Oct 7 06:24:17 pokip sshd[4686]: error: connect_to localhost port 5901: failed.
channel 3: open failed: connect failed: Connection refused
Another thing I did before it stopped working was to create a pair of keys on my wifes computer and VNC into the server from there to my usual sudo account on the server. Worked! Then I went back to my own computer and could not do VNC from there anymore. I can still SSH in with keys though.
ssh tightvnc
asked 27 mins ago
RimfireRimfire
101 silver badge5 bronze badges
Any idea why VNC stopped working after setting up SSH for authenticating with keys only? (No password)
I use Debian 10 and tightvnc server with tigervnc client. It has worked nicely until now.
Here's what I get when trying to establish the SSH tunnel:
ssh -L 5901:localhost:5901 user@pokip.se
bind [127.0.0.1]:5901: Address already in use
channel_setup_fwd_listener_tcpip: cannot listen to port: 5901
Could not request local forwarding.
I find this in the log after attempting to connect with TigerVNC Client:
/var/log/auth.log
Oct 7 06:24:17 pokip sshd[4686]: error: connect_to localhost port 5901: failed.
channel 3: open failed: connect failed: Connection refused
Another thing I did before it stopped working was to create a pair of keys on my wifes computer and VNC into the server from there to my usual sudo account on the server. Worked! Then I went back to my own computer and could not do VNC from there anymore. I can still SSH in with keys though.
ssh tightvnc
ssh tightvnc
asked 27 mins ago
RimfireRimfire
101 silver badge5 bronze badges
asked 27 mins ago
RimfireRimfire
101 silver badge5 bronze badges
asked 27 mins ago
RimfireRimfire
101 silver badge5 bronze badges
asked 27 mins ago
RimfireRimfire
101 silver badge5 bronze badges
asked 27 mins ago
RimfireRimfire
101 silver badge5 bronze badges
101 silver badge5 bronze badges
The message "Address already in use" says that there is already something listening on that port (5901) in your case. Try to figure out which program that is or us another port ie. 5910:localhost:5901 if VNC is listening on 5901.
– Lambert
16 mins ago
Restarted vncserver, but it still says 'already in use. Now I noticed that VNC works if I connect without SSH. Serveradress:5901 port works, just not with SSH for some reason?
– Rimfire
7 mins ago
add a comment
|
The message "Address already in use" says that there is already something listening on that port (5901) in your case. Try to figure out which program that is or us another port ie. 5910:localhost:5901 if VNC is listening on 5901.
– Lambert
16 mins ago
Restarted vncserver, but it still says 'already in use. Now I noticed that VNC works if I connect without SSH. Serveradress:5901 port works, just not with SSH for some reason?
– Rimfire
7 mins ago
The message "Address already in use" says that there is already something listening on that port (5901) in your case. Try to figure out which program that is or us another port ie. 5910:localhost:5901 if VNC is listening on 5901.
– Lambert
16 mins ago
The message "Address already in use" says that there is already something listening on that port (5901) in your case. Try to figure out which program that is or us another port ie. 5910:localhost:5901 if VNC is listening on 5901.
– Lambert
16 mins ago
Restarted vncserver, but it still says 'already in use. Now I noticed that VNC works if I connect without SSH. Serveradress:5901 port works, just not with SSH for some reason?
– Rimfire
7 mins ago
Restarted vncserver, but it still says 'already in use. Now I noticed that VNC works if I connect without SSH. Serveradress:5901 port works, just not with SSH for some reason?
– Rimfire
7 mins ago
add a comment
|
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The message "Address already in use" says that there is already something listening on that port (5901) in your case. Try to figure out which program that is or us another port ie. 5910:localhost:5901 if VNC is listening on 5901.
– Lambert
16 mins ago
Restarted vncserver, but it still says 'already in use. Now I noticed that VNC works if I connect without SSH. Serveradress:5901 port works, just not with SSH for some reason?
– Rimfire
7 mins ago