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--- manuals:distributions:nixos:impermanence [2024/10/21 07:13] – aither
+++ manuals:distributions:nixos:impermanence [2024/10/29 17:03] (current) – aither
@@ Line 1: / Line 1: @@
+<page>manuals:distributions:nixos:impermanence</page>
 ====== NixOS Impermanence ======
-<note warning>
-This is a work in progress, impermanence is available only on staging (node1.stg)
-</note>
 This page describes usage of [[https://github.com/nix-community/impermanence|NixOS Impermanence]] module
-at vpsFree.cz.
+at vpsFree.cz. We support impermanence with root filesystem in a temporary ZFS dataset that is
+provided by our platform. It is necessary to move the Nix store to a subdataset, which can be
+done automatically [[#using_os_template|using the OS template for impermanence]], or you can
+set it up [[#manual_configuration|manually]].
+Please note that when you enable impermanence, the root file system is indeed temporary
+and its data reset on each VPS start. The temporary dataset also isn't backed up. Be mindful
+of where you store your data. If it isn't in a persistent location, it will be lost.
 ===== Using OS template =====
@@ Line 23: / Line 27: @@
 </code>
-Note reinstalling the VPS will be ineffective, as reinstall changes only the root dataset.
+Note that reinstalling the VPS will be ineffective, as reinstall changes only the root dataset.
 It will not touch the Nix store when it is moved to a subdataset. For the same reason, you
 cannot convert an existing VPS to impermanence using reinstall. The OS template will
@@ Line 90: / Line 94: @@
     files = [
       "/etc/machine-id"
-      "/etc/shadow"
     ];
   };

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