Proxmox Shell not working when round robin connection to cluster enabled #219

New Issue

MrUnknownDE · 2026-04-05T17:02:48+02:00

MrUnknownDE commented

2026-04-05 17:02:48 +02:00

Originally created by @Wri84 on 2/21/2026

Describe the Bug

I've got a 3 node Proxmox Virtual Environment (PVE) cluster running. I configured pangolin to access the first host from this cluster by IP. For redundancy I added the other 2 hosts. Doing so creates a problem with the built-in shell in PVE. The connection fails on every host. As soon as I disable the other 2 and only connect to the same host everytime, the shell works as expected

Environment

OS Type & Version: (e.g., Ubuntu 22.04) PVE 9
Pangolin Version: 1.15.4
Gerbil Version: 1.3
Traefik Version: 3.6
Newt Version: 1.9
Olm Version: (if applicable)

To Reproduce

add more than 1 PVE host for one ressource
try to open a shell connection through the PVE web interface connected through pangolin
shell connection fails with error TASK ERROR: command '/usr/bin/termproxy 5900 --path /nodes/pvenode01 --perm Sys.Console --vncticket-endpoint -- /usr/bin/ssh -e none -o 'BatchMode=yes' -o 'HostKeyAlias=pvenode01' -o 'UserKnownHostsFile=/etc/pve/nodes/pvenode01/ssh_known_hosts' -o 'GlobalKnownHostsFile=none' -t root@10.10.10.10 --' failed: exit code 1
disable the other connections in pangolin ressource settings --> console opens as expected

Expected Behavior

the shell connection functionality works regardless if more than one host from a given cluster is added to pangolin

*Originally created by @Wri84 on 2/21/2026* ### Describe the Bug I've got a 3 node Proxmox Virtual Environment (PVE) cluster running. I configured pangolin to access the first host from this cluster by IP. For redundancy I added the other 2 hosts. Doing so creates a problem with the built-in shell in PVE. The connection fails on every host. As soon as I disable the other 2 and only connect to the same host everytime, the shell works as expected ### Environment - OS Type & Version: (e.g., Ubuntu 22.04) PVE 9 - Pangolin Version: 1.15.4 - Gerbil Version: 1.3 - Traefik Version: 3.6 - Newt Version: 1.9 - Olm Version: (if applicable) ### To Reproduce - add more than 1 PVE host for one ressource - try to open a shell connection through the PVE web interface connected through pangolin - shell connection fails with error `TASK ERROR: command '/usr/bin/termproxy 5900 --path /nodes/pvenode01 --perm Sys.Console --vncticket-endpoint -- /usr/bin/ssh -e none -o 'BatchMode=yes' -o 'HostKeyAlias=pvenode01' -o 'UserKnownHostsFile=/etc/pve/nodes/pvenode01/ssh_known_hosts' -o 'GlobalKnownHostsFile=none' -t root@10.10.10.10 --' failed: exit code 1` - disable the other connections in pangolin ressource settings --> console opens as expected ### Expected Behavior - the shell connection functionality works regardless if more than one host from a given cluster is added to pangolin

MrUnknownDE closed this issue

2026-04-05 17:02:48 +02:00

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Reference: github/pangolin#219