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Proxmox Backup Server Post Install fails when PBS in installed on the host #130

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opened 2026-02-04 16:45:32 +03:00 by OVERLORD · 2 comments
OVERLORD commented 2026-02-04 16:45:32 +03:00
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Originally created by @cstby on GitHub (Dec 4, 2024).

Please verify that you have read and understood the guidelines.

yes

A clear and concise description of the issue.

The Proxmox Backup Server Post Install checks whether the pveversion command is available on the system as a way of preventing users from running the script on PVE (instead of PBS).

if command -v pveversion >/dev/null 2>&1; then
    echo -e "\n🛑  PVE Detected, Wrong Script!\n"
    exit 1
fi

IF PBS is installed on the host (an option included in the official documentation, even if it's not recommended), the script will fail.

What settings are you currently utilizing?

  • Default Settings
  • Advanced Settings

Which Linux distribution are you employing?

Debian 12

If relevant, including screenshots or a code block can be helpful in clarifying the issue.

No response

Please provide detailed steps to reproduce the issue.

  • Install PVE from scratch
  • Add PBS to sources.list by adding the line deb http://download.proxmox.com/debian/pbs bookworm pbs-no-subscription
  • Install PBS on the host system using apt update & apt upgrade and then apt install proxmox-backup-server
  • Log on to the backup server UI, and attempt to run the post-install script from the shell.
Originally created by @cstby on GitHub (Dec 4, 2024). ### Please verify that you have read and understood the guidelines. yes ### A clear and concise description of the issue. The Proxmox Backup Server Post Install checks whether the `pveversion` command is available on the system as a way of preventing users from running the script on PVE (instead of PBS). ``` if command -v pveversion >/dev/null 2>&1; then echo -e "\n🛑 PVE Detected, Wrong Script!\n" exit 1 fi ``` IF PBS is installed on the host (an option included in the official documentation, even if it's not recommended), the script will fail. ### What settings are you currently utilizing? - [X] Default Settings - [ ] Advanced Settings ### Which Linux distribution are you employing? Debian 12 ### If relevant, including screenshots or a code block can be helpful in clarifying the issue. _No response_ ### Please provide detailed steps to reproduce the issue. - Install PVE from scratch - Add PBS to `sources.list` by adding the line `deb http://download.proxmox.com/debian/pbs bookworm pbs-no-subscription` - Install PBS on the host system using `apt update & apt upgrade` and then `apt install proxmox-backup-server` - Log on to the backup server UI, and attempt to run the post-install script from the shell.
OVERLORD added the not a script issue label 2026-02-04 16:45:32 +03:00
OVERLORD commented 2026-02-04 16:45:42 +03:00
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@havardthom commented on GitHub (Dec 5, 2024):

Why would you run PBS directly on the host? Just install the LXC instead? https://community-scripts.github.io/ProxmoxVE/scripts?id=pbs

We don't want the scripts to mess with the host, and if we open this up there will be more people erroneously running this on their host than people that actually want to run PBS directly on host (who should use LXC instead).

@havardthom commented on GitHub (Dec 5, 2024): Why would you run PBS directly on the host? Just install the LXC instead? https://community-scripts.github.io/ProxmoxVE/scripts?id=pbs We don't want the scripts to mess with the host, and if we open this up there will be more people erroneously running this on their host than people that actually want to run PBS directly on host (who should use LXC instead).
OVERLORD commented 2026-02-04 16:45:46 +03:00
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@docgalaxyblock commented on GitHub (Jan 12, 2025):

@havardthom Please reopen this.
In my case I have two PVE HA worker nodes and a third PVE as the "quorum" node that is my main PBS.

The script should be changed to check if proxmox-backup-manager is available alongside of pveversion.
If only the latter is detected

Also I think renaming this issue to Proxmox Backup Server Post Install fails when PBS in installed on the PVE host could be better.

PS: Uhm I also do not see a check in the script if PBS is even installed - should I open a second issue for this?

@docgalaxyblock commented on GitHub (Jan 12, 2025): @havardthom Please reopen this. In my case I have two PVE HA worker nodes and a third PVE as the "quorum" node that is my main PBS. The script should be changed to check if `proxmox-backup-manager` is available alongside of `pveversion`. If only the latter is detected Also I think renaming this issue to `Proxmox Backup Server Post Install fails when PBS in installed on the PVE host` could be better. --- PS: Uhm I also do not see a check in the script if PBS is even installed - should I open a second issue for this?
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