# NTP Proxmox Cluster

### Umstellung – Schritt für Schritt

1️⃣ Datei anpassen:

```
nano /etc/chrony/chrony.conf
```

2️⃣ Dienst neu starten:

```
systemctl restart chrony
```

3️⃣ Prüfen:

```
chronyc sources -v
```

Erwartung:

```
^* 192.168.10.1
^+ ch.pool.ntp.org
```

Konfig

```
## Welcome to the chrony configuration file. See chrony.conf(5) for more
## information about usable directives.

## Include configuration files found in /etc/chrony/conf.d.
confdir /etc/chrony/conf.d

## === Proxmox Cluster NTP Configuration ===

## Primary NTP – Firewall (LAN / MGMT)
server 10.0.0.1 iburst prefer

## Fallback – Swiss NTP Pool
server ch.pool.ntp.org iburst

## --- Disabled defaults for deterministic cluster time ---
## pool 2.debian.pool.ntp.org iburst
## sourcedir /run/chrony-dhcp
## sourcedir /etc/chrony/sources.d
```

/

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*Quelle: Obsidian `Knowledge Base/Proxmox/NTP Proxmox Cluster.md` · Stand: 2026-09-20 · Automatisiert publiziert durch Hermes.*