4.11 Backups & recovery
Every entry filed under Backups & recovery and its subtopics.
Level
- Beginner 3
- Intermediate 5
- Advanced 0
What kind of help
- Guided project 0
- Explains an idea 2
- Step by step 6
- Cheat sheet 0
- Fixes an error 0
What do these mean?
- Beginner
- You are new to this topic.
- Intermediate
- You use it, and want to get better.
- Advanced
- You know it well and need the details.
- Guided project
- Build something small from start to finish, step by step.
- Explains an idea
- Plain words on how something works and why.
- Step by step
- Numbered steps to get one task done.
- Cheat sheet
- Commands and options in a table, to look up fast.
- Fixes an error
- An error message, what it means, and how to solve it.
11 entries
- 0362 The 3-2-1 backup rule, and why a backup you never restored is not a backup Three copies, two kinds of media, one off-site: what the rule really protects against, how it maps to real tools, and why… Beginner · Explains an idea · Any system Article Strategy & restore drills 15 Oct 2026
- 0363 Restore drill: prove your backup works in 15 minutes A repeatable procedure to restore one file and one database from your newest backup into a scratch location, compare the result with… Intermediate · Step by step · Linux, macOS Article Backup tools · Strategy & restore drills 15 Oct 2026
- 0367 verify-latest-backup: alert when the newest dump is too old or too small A read-only bash check that finds the newest file in a backup directory, compares its age and size against limits, optionally tests… Beginner · Step by step · Linux Script Backups & syncing · Strategy & restore drills 15 Oct 2026
- 0364 Schedule PostgreSQL and MySQL dumps with systemd timers Write one dump script for PostgreSQL and MySQL, run it from a systemd service and timer instead of cron, keep two weeks… Intermediate · Step by step · Linux Article Backup tools · PostgreSQL 15 Oct 2026
- 0365 Proxmox Backup Server: first setup and first restore Install Proxmox Backup Server, create a datastore and a backup user, connect it to Proxmox VE as storage, run the first VM… Intermediate · Step by step · Linux Article Backup & restore · Backup tools 15 Oct 2026
- 0366 restic backup wrapper with tagging, retention and a weekly check A bash wrapper that runs restic backup on a fixed list of paths, applies a keep-daily/weekly/monthly policy with forget and prune, runs… Intermediate · Step by step · Linux, macOS Script Backup tools · Backups & syncing 15 Oct 2026
- 0368 restic: fast, encrypted, deduplicated backups to local disk, SFTP or cloud storage The restic repository: a single Go binary that backs up to local disks, SFTP, S3, Backblaze B2, Azure, Google Cloud and anything… Linux, macOS, Windows Repo Backup tools 15 Oct 2026
- 0369 BorgBackup: deduplicating archiver with compression and authenticated encryption The BorgBackup repository: a Python and C backup tool that stores deduplicated, compressed, encrypted archives on local disks or over SSH, with… Linux, macOS Repo Backup tools 15 Oct 2026
- 0370 rclone: rsync for cloud storage, with 70+ providers The rclone repository: a Go command-line tool that copies, syncs, mounts and checks files across local disks and more than 70 cloud… Linux, macOS, Windows Repo Backup tools 15 Oct 2026
- 0336 Back up and restore a Docker named volume to a tar archive A bash script that copies the contents of a named Docker volume into a .tar.gz on the host, and restores an archive… Intermediate · Step by step · Linux, macOS Script Backup tools · Docker basics 15 Oct 2026
- 0308 What is a backup snapshot? A snapshot is a frozen picture of a disk or system at one moment that you can roll back to if something… Beginner · Explains an idea · Any system Article Strategy & restore drills 15 Oct 2026