doc: configure cloud-init from a file

Signed-off-by: Elena Pons <[email protected]>
canonical · May 7, 2024 · f7d0330 · f7d0330
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diff --git a/doc/cloud-init.md b/doc/cloud-init.md
@@ -126,6 +126,21 @@ Then send the following request:
       }
     }'
 
+### Configure `cloud-init` through the CLI
+
+If you are using the CLI to configure your instance, write the configuration to a file and include that in your request.
+For example, create `cloud-init.yml` with the following content:
+
+    #cloud-config
+    package_upgrade: true
+    packages:
+      - package1
+      - package2
+
+Then send the following request:
+
+    lxc config set <instance_name> cloud-init.user-data - < ~cloud-init.yml
+
 ## How to check the `cloud-init` status
 
 `cloud-init` runs automatically on the first start of an instance.