#backup
Every post tagged backup.
Blog posts
How to Install the Proxmox Backup Client on Any Linux Machine (Back Up Non-Proxmox Servers to Your PBS Datastore)
Already run Proxmox Backup Server for your VMs? Here's how to point any Debian or Ubuntu machine - even one with no Proxmox VE on it at all - at the same PBS datastore using the standalone backup client.
How to Limit Migration and Backup Bandwidth in Proxmox VE (Stop It From Saturating Your Network)
Nightly backups and daytime migrations can max out a shared network link and slow down everything else. Here's how to set real bandwidth limits in Proxmox VE, from the datacenter-wide bwlimit dialog to per-job CLI overrides and the separate per-VM rate limit.
How to Install Duplicati in an LXC Container on Proxmox VE (Encrypted Backups for Your Files and Documents)
vzdump and PBS back up whole VMs and containers. Duplicati backs up the actual files inside them, encrypted, to cloud storage like Backblaze B2 or S3. Here's how to install it in a lightweight Debian LXC container on Proxmox VE and run your first encrypted backup job.
How to Install Healthchecks in an LXC Container on Proxmox VE (Cron Job and Dead Man's Switch Monitoring for Beginners)
Cron jobs fail silently. Learn how to self-host Healthchecks in a Debian 13 LXC container on Proxmox VE with Docker Compose, so a missed backup or renewal job triggers an alert instead of going unnoticed for weeks.
How to Fix Common Backup Job Failures in Proxmox VE (vzdump and PBS Error Messages Explained)
Your Proxmox backup job just failed and the task log is a wall of red text. Here's what messages like "could not activate storage," "err -5," and "No space left on device" actually mean, and how to fix each one.
How to Move a VM to Another Proxmox VE Server Without a Cluster (Backup and Restore Method)
No cluster? No problem. Here's how to move a virtual machine from one standalone Proxmox VE host to another using vzdump, scp, and qmrestore — no shared storage or cluster join required.
How to Enable Backup Fleecing in Proxmox VE (Stop VM Freezes During Backups)
If a VM freezes or crawls every time its backup job runs, backup fleecing is the fix. Here's what it does, how to turn it on, and the storage requirements that trip people up.
How to Set Backup Retention Rules in Proxmox VE (Keep-Last, Keep-Daily, and More Explained)
Proxmox VE keeps every vzdump backup forever unless you tell it otherwise. Here's how to configure keep-last, keep-daily, and the other retention counters on local, NFS, or CIFS backup storage.
How to Reinstall Proxmox VE Without Losing Your VMs and Data (Step-by-Step Guide)
Learn how to safely reinstall Proxmox VE without wiping your VMs. Covers checking your storage layout, backing up configs, reimporting a ZFS pool, and restoring with vzdump.
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