Eclipse Mosquitto 2 MQTT broker on Ubuntu 24.04 LTS by cloudimg. Tiny 4MB resident, per-VM password at first boot, anonymous rejected. EPL-2.0 / EDL-1.0.
## Mosquitto 2 on Ubuntu 24.04 by cloudimg
Eclipse Mosquitto is the canonical lightweight MQTT broker — used in millions of IoT deployments. The cloudimg image installs Mosquitto 2.x with allow_anonymous false and a per-VM cloudimg user password rotated at first boot.
What's included:
* Mosquitto 2.x from Ubuntu 24.04 noble universe
* mosquitto-clients for testing
* Per-VM cloudimg password rotated at firstboot
* Anonymous connections rejected
* Persistence at /var/lib/mosquitto
* 24/7 cloudimg support
Recommended VM: Standard_B2s is plenty (Mosquitto is famously efficient).