# Install Proxmox Backup Server 4 on Debian 13 Trixie

<p class="callout info">First install Debian on [LXC](https://wiki.hdd-housing.eu/books/setup/page/setup-lxc "Setup LXC") or native</p>

## Install Proxmox Backup Server 4 on Debian 13 Trixie

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

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

Add Proxmox Backup No-Subscription Repository

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

Paste content:

```bash
Types: deb
URIs: http://download.proxmox.com/debian/pbs
Suites: trixie
Components: pbs-no-subscription
Signed-By: /usr/share/keyrings/proxmox-archive-keyring.gpg
```

```bash
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