From e1f53febd22fc3177bbb3a1935aa298d9f756b27 Mon Sep 17 00:00:00 2001
From: "Alex A. Naanou" <alex.nanou@gmail.com>
Date: Sun, 6 Jul 2025 13:39:16 +0300
Subject: [PATCH] added basic info...

Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
---
 README.md | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 README.md

diff --git a/README.md b/README.md
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+
+## Two stage update
+
+The configuration is split into two parts to allow for two stage updates to conserve space
+on storage-limited systems.
+
+To run a two stage update do:
+```shell
+  $ sudo NIX_LIGHTWEIGHT=1 nixos-rebbuild switch
+  $ reboot
+```
+then:
+```shell
+  $ sudo nix-collect-garbage --delete-old
+  $ sudo nixos-rebbuild switch
+```
+
+