1. A

    Synchronization of Cloud-Init SSH Keys in Proxmox VE

    Hello Proxmox Support Team, I am currently using Proxmox VE and have a question about Cloud-Init. I understand that Cloud-Init is used to inject SSH keys into virtual machines during their initial boot. However, I noticed that when I remove the SSH key from the Proxmox interface after the VM...
  2. N

    cloud-init image without ssh-key

    Hello Experts, How can I create cloud-init vm without ssh public key. I want to use user/password instead of ssh key. How can i achieve these? Regards.
  3. K

    High cpu after vs code ssh

    I have noticed a few times when logging into my proxmox server the cpu spikes like crazy for no reason and doesn't stop when I disconnect and only stops after a reboot. I only have and unraid vm on the server(for some reason the unraid shows a lil bump in cpu usage but not even close to the cpu...
  4. R

    Help Please - Putty and Ubuntu 22.04

    Hi All, I have been using Proxmox for a while now, have two nodes, proficient in the use of Putty etc. However............ After creating an Ubuntu 22.04 instance, installing openssh server, enabling and starting ssh I still cannot access the ubuntu instance form Putty with the password I use...
  5. K

    Help. I can't ssh to my VM

    Hi. I'm a noob at Proxmox. I can ssh to a container in my node but I can't ssh to a VM (Ubuntu) in the same node. It shows "time out", same situation for terminal and VSC. I checked settings of firewall, port, server is running. But it is not working. Somebody help me solve this?
  6. R

    SSH and web GUI not reachable

    Hello everyone, I have set up my proxmox environment a few days ago and it was working very well since yesterday: it suddenly became unreachable from SSH or web GUI. I still can connect directly on the host. I have found similar threads on this forum but I couln't make it working so far :( Can...
  7. J

    Expected Votes CS_ERR_INVALID_PARAM

    Hallo zusammen, ich habe ein Cluster konfiguriert, wo nicht alle Nodes die gleiche Anzahl an Votes haben soll. Grund dafür ist deren Standort. Soweit so gut. Allerdings werden nach aktueller Konfiguration 17 Votes benötigt um Quorum zu erreichen. Aufgrund der Konstellation reichen allerdings...
  8. M

    [SOLVED] SSH Issue with CT's

    Hi All, Apologies if this is in the wrong thread. I've recently started experiencing issues with SSH & New CT, [ connect to host port 22: Connection refused ]... I Created a new CT, added my SSH Public key went through the setup & saved the config. Started the newly created CT &...
  9. M

    How to update public ssh keys for proxmox nodes

    Hello all. 98% out of the weeds here but can't cross the finish line. I have a 7 node cluster on proxmox ve and I had to do a ton of hardware upgrades (memory, os and ceph data ssd, nic card change) as well as configure redundant networking as I take this cluster into use soon. In the process I...
  10. V

    Login über PVE-Web-Shell geht nicht

    Guten Morgen, ich kann mich über die Web-GUI nicht mehr in die Shell einloggen und bekomme folgenden Fehler: "TASK ERROR: command '/usr/bin/termproxy 5900 --path /nodes/home1 --perm Sys.Console -- /bin/login -f root' failed: exit code 1" Ich denke, dass es daran liegt, dass ich gestern die...
  11. A

    Online Migration local -> local only insecure

    Hi there. I'm having problems with online migration of VMs between two hosts in a cluster. Both have local storages (lvm thin). If I try to start the migration via the GUI or without options from the command line, I consistently get the following error: 2024-01-24 12:35:10 starting migration...
  12. C

    [SOLVED] Can't SSH into VLAN 10

    I created a VLAN 10 in Proxmox and have VM's on it, and I can not SSH to them. I have two nodes. I have the issue with VM's on both nodes. I have both nodes on a LACP LAGG to a Unifi Switch. Using OPNSense, believe to have firewall Open. Using and as VLAN10...
  13. H

    No WebGUI or ssh into PVE, but ping works; Everything works from phone though?

    Hi there! I'm running into a really wild issue here: I want to access my PVE remotely from a different network, so I'm using a wireguard VPN running in an LXC on my Proxmox node. I can use it and ssh into it and other LXCs just fine, however I can't access the pve itself neither by ssh nor by...
  14. E

    [TUTORIAL] [OBSOLETE] SSH Host Key Certificates - How to bypass SSH known_hosts bug(s)

    DISCLAIMER: This tutorial became obsolete due to changes rolled out by the PVE team, see comment #57. DISCLAIMER: As became apparent over some troubleshooting under this post, please take note there are also genuine cases where networking or SSH itself has been misconfigured and the error...
  15. S

    vnc does not work in cluster

    Hi, I have three nodes in a cluster and when I try to VNC in the other two nodes's VMs, it doesn't work. Only the host node works. From my understanding, it's something to do with ssh? Can someone give a few pointers on how and what to set to have this working properly? Thanks
  16. R

    New container - password and SSH keys

    When I create a container, I have the option to inform password and/or SSH key. If I inform SSH key, it's allowed not to inform password. In case only SSH key is informed, how can I access via shell at Proxmox itself? Since I didnt' inform a password, this seems to be not possible. My case is...
  17. S

    Unexpected tunnelin/forwarding attempts after upgrade

    After upgrade this message started occasionally flash on LXC terminals. channel 3: open failed: administratively prohibited: open failed Then after a few seconds it disappears and says something about forwarding but too quickly to see. Remote port forwarding failed to listen on port XXX Oddly...
  18. S

    root@pam user and key based authentication

    hmm. I don't understand why root@pam always asks password when I do this: /usr/bin/proxmox-backup-client backup etc.pxar:/etc var.pxar:/var --repository The backup-client is Proxmox host and should have proper keys to backup server.
  19. D

    [SOLVED] Proxmox Cluster - How to clean-up ssh_known_hosts?

    Hi there, I have noticed that there is a bit of a mess in the "/etc/ssh/ssh_known_hosts" because I recently had some issues with a cluster that I dismantled completely. I had to remove configurations by hand and change some IP addresses. As a result, there is a long list things in there... The...
  20. N

    Proxmox VE firewall not blocking SSH

    I have a very strict firewall policy that essentially boils down to, block ALL traffic from any and all servers and computers that are not essential to that host's operation or needs. This seemed fine for a while but I just realized that anything on VLAN 10 can access Proxmox via SSH, even...


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