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content/posts/restic-nixos-hetzner.md

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+---
+title: Backing up nixos state with restic
+date: 2026-02-16
+tags:
+  - nixos
+  - restic
+draft: true
+---
+
+I'm writing this so I can hopefully remember what I did in six months.
+
+As hard as you try to eliminate all state from your computing life with nixos, the fact remains that you can't get rid of all of it.
+For example, I run forgejo on my VPS.
+Now I have my config which means I could set up a forgejo instance just how I like it if everything went to pot.
+But that wouldn't bring back any of the repos I had there previously.
+
+This is the method I cooked up for backing up some of those important bits and bob on my VPS.
+
+```nix
+{ config, ... }: {
+  services.restic = {
+    backups."hetzner-storage-box" = {
+      initialize = true;
+      user = "root";
+      passwordFile = "/etc/nixos/secrets/restic";
+      paths = [
+        "${config.services.forgejo.stateDir}"
+      ];
+      repository = "sftp:user@storagebox:/remotelab";
+      extraOptions = [
+        "sftp.command='ssh user@storagebox -i /root/.ssh/id_ed25519 -s sftp'"
+      ];
+      timerConfig = {
+        OnCalendar = "daily";
+        Persistent = true;
+      };
+    };
+  };
+}
+```