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Install Proxmox Backup Server 4 on Debian 13 Trixie

First install Debian on LXC or native

Install Proxmox Backup Server 4 on Debian 13 Trixie

https://pbs.proxmox.com/docs/installation.html#install-proxmox-backup-server-on-debianasd

Download Proxmox Sign Key

wget https://enterprise.proxmox.com/debian/proxmox-archive-keyring-trixie.gpg -O /usr/share/keyrings/proxmox-archive-keyring.gpg

Verify the SHA256 checksum

sha256sum /usr/share/keyrings/proxmox-archive-keyring.gpg
136673be77aba35dcce385b28737689ad64fd785a797e57897589aed08db6e45 /usr/share/keyrings/proxmox-archive-keyring.gpg

Add Proxmox Backup No-Subscription Repository

nano /etc/apt/sources.list.d/proxmox-pbs.sources

Paste content:

Types: deb
URIs: http://download.proxmox.com/debian/pbs
Suites: trixie
Components: pbs-no-subscription
Signed-By: /usr/share/keyrings/proxmox-archive-keyring.gpg
apt update
apt dist-upgrade
apt install proxmox-backup-server

Next Steps

  • Set Timezone in Webgui
  • Disable Enterprise Repository in Webgui or upload your subscription key
  • Add HDD-Housing S3 Storage
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