From 704d0bca0e52554f37358e49532b54b476443eda Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A2u=20Cao?= <raucao@kosmos.org>
Date: Mon, 6 Jul 2026 18:50:07 +0200
Subject: [PATCH] Document upgrading Chef client

---
 README.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/README.md b/README.md
index ef6c609..1fcb982 100644
--- a/README.md
+++ b/README.md
@@ -58,6 +58,10 @@ Clone this repository, `cd` into it, and run:
 
     knife zero converge name:dev.kosmos.org --client-version 15.3.14
 
+### Upgrade Chef Client on a node:
+
+    knife ssh -a knife_zero.host 'name:foo-1' 'curl -L https://chef.io/chef/install.sh | sudo bash -s -- -v 18.10.17'
+
 ## Managing cookbooks
 
 Cookbooks are managed via Berkshelf. Run `berks --help` for command help.