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Proxmox Backup Server LXC install hangs forever on advanced install #1432

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opened 2025-11-20 05:10:18 -05:00 by saavagebueno · 2 comments
saavagebueno commented 2025-11-20 05:10:18 -05:00
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Originally created by @marcelser on GitHub (Jul 5, 2025).

✅ Have you read and understood the above guidelines?

yes

📜 What is the name of the script you are using?

Proxmox Backup Server

📂 What was the exact command used to execute the script?

bash -c "$(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/ct/proxmox-backup-server.sh)"

⚙️ What settings are you using?

  • Default Settings
  • Advanced Settings

🖥️ Which Linux distribution are you using?

No response

📝 Provide a clear and concise description of the issue.

I just installed Proxmox Backup Server using advanced install and always swhen it reloads the networking config (same thing that also happens with Default Settings) it hangs. I tried 2-3 times with root access, without root access, etc. but it never get's past this step. If you login to the LXC container you can see that ifupdown2 startup of dpkg hangs there. If you kill it, the installation script goes on but errors out.

Interestingly the Default Settings get past exactly the same step without problems and for the time beeing I now use the Default Settings, I just have to enable/configure all the stuff I could have done with advanced install now myself. I hope this get fixed for the next one that runs into the same problems and will have to debug again.

🔄 Steps to reproduce the issue.

❌ Paste the full error output (if available).

I have no error logs as I cannot even kill the installation script. I can only force terminate it as CTRL-C does not work.

🖼️ Additional context (optional).

No response

Originally created by @marcelser on GitHub (Jul 5, 2025). ### ✅ Have you read and understood the above guidelines? yes ### 📜 What is the name of the script you are using? Proxmox Backup Server ### 📂 What was the exact command used to execute the script? bash -c "$(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/ct/proxmox-backup-server.sh)" ### ⚙️ What settings are you using? - [ ] Default Settings - [x] Advanced Settings ### 🖥️ Which Linux distribution are you using? _No response_ ### 📝 Provide a clear and concise description of the issue. I just installed Proxmox Backup Server using advanced install and always swhen it reloads the networking config (same thing that also happens with Default Settings) it hangs. I tried 2-3 times with root access, without root access, etc. but it never get's past this step. If you login to the LXC container you can see that ifupdown2 startup of dpkg hangs there. If you kill it, the installation script goes on but errors out. Interestingly the Default Settings get past exactly the same step without problems and for the time beeing I now use the Default Settings, I just have to enable/configure all the stuff I could have done with advanced install now myself. I hope this get fixed for the next one that runs into the same problems and will have to debug again. ### 🔄 Steps to reproduce the issue. - run bash -c "$(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/ct/proxmox-backup-server.sh)" - select advanced install, enter at lest some root password (at least that what I always did) and go on, I left oll the other settings default except installing FUSE and it hangs forever in reloading network config. I guess advanced mode somehow fucks up the network config. ### ❌ Paste the full error output (if available). I have no error logs as I cannot even kill the installation script. I can only force terminate it as CTRL-C does not work. ### 🖼️ Additional context (optional). _No response_
saavagebueno added the bug label 2025-11-20 05:10:18 -05:00
saavagebueno commented 2025-11-20 05:10:19 -05:00
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@MickLesk commented on GitHub (Jul 6, 2025):

Alright, i get it after 10 trys, its an issue with proxmox backup server himself. You cannot set an root password before install, otherwise proxmox backup server see it as initial config. I add an hint on website

@MickLesk commented on GitHub (Jul 6, 2025): Alright, i get it after 10 trys, its an issue with proxmox backup server himself. You cannot set an root password before install, otherwise proxmox backup server see it as initial config. I add an hint on website
saavagebueno commented 2025-11-20 05:10:19 -05:00
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@nameless66 commented on GitHub (Jul 7, 2025):

Problem still exists. Hard to repeat - don't set root pw / ssh login in advanced doesnt work. Default setup works.

Interesting is, that 2 hours ago, I had an Installation, that works in advanced mode with root passwd. Tested now the same on the same host - error occurs!!

I compared /var/log/apt/history of both lxc containers - they are identical - hmm - that's really funny.

Only Default Setup works - now!

@nameless66 commented on GitHub (Jul 7, 2025): Problem still exists. Hard to repeat - don't set root pw / ssh login in advanced doesnt work. Default setup works. Interesting is, that 2 hours ago, I had an Installation, that works in advanced mode with root passwd. Tested now the same on the same host - error occurs!! I compared /var/log/apt/history of both lxc containers - they are identical - hmm - that's really funny. Only Default Setup works - now!
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Reference: SVI/ProxmoxVE#1432
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