From 7d1156fe9ce11e8ec25efa3c88871bcad728fda0 Mon Sep 17 00:00:00 2001
From: Christopher Nethercott <ccnethercott@gmail.com>
Date: Sat, 5 Dec 2020 17:51:35 +0000
Subject: [PATCH] Update README.md

---
 README.md | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/README.md b/README.md
index dc193ce..427fc1c 100644
--- a/README.md
+++ b/README.md
@@ -94,7 +94,20 @@ $ cd -
 ```
 
 Then, update the `MQTT_USER` and `MQTT_PASSWORD` constants in all the subdirectories, and launch docker compose again.
+### Alternative way to update credentials
 
+This requires installation of the `mosquitto` packages; the following command works for Ubuntu:
+```sh
+sudo apt install mosquitto mosquitto-clients
+```
+Then run either: (you'll be prompted for a password)
+```sh
+mosquitto_password -c <path/to/password/file> $USER
+```
+or
+```sh
+mosquitto_password -b <path/to/password/file> $USER $PASSWORD
+```
 
 ## Alternative: Using docker manually instead of docker compose