# Installing Mosquitto for emoncms **URL:** \ **Category:** Installation\ **Tags:** mosquitto, pecl\ **Created:** [15 January 2018 18:44 UTC](https://community.openenergymonitor.org/t/installing-mosquitto-for-emoncms/6263 "2018-01-15T18:44:45Z")\ **Posts on this page:** 7\ **Page:** 1
**Author:** ![nick](https://community.openenergymonitor.org/user_avatar/community.openenergymonitor.org/nick/32/170_2.png) [@nick](https://community.openenergymonitor.org/u/nick)\ **Post date:** [15 January 2018 18:44 UTC](https://community.openenergymonitor.org/t/installing-mosquitto-for-emoncms/6263/1 "2018-01-15T18:44:45Z")
> [@Mqtt\_input script run as systemd instead of initd](https://community.openenergymonitor.org/t/mqtt-input-script-run-as-systemd-instead-of-initd/2689/27): > > sudo systemctl enable mqtt\_input.service I’m trying to get this to run on my Ubuntu installed emoncms (/var/www/html/emoncms). Have edited the locations to suit, but can’t get mqtt\_input to run. Jan 15 14:47:46 ip-172-31-45-141 systemd[1]: Stopped LSB: Starts phpmqtt\_input agent daemon at boot time. Jan 15 14:47:46 ip-172-31-45-141 systemd[1]: mqtt\_input.service: Unit entered failed state. Jan 15 14:47:46 ip-172-31-45-141 systemd[1]: mqtt\_input.service: Failed with result ‘exit-code’. I have tried running the underlying php file directly … ubuntu@ip-172-31-45-141:/var/www/html/emoncms/scripts$ sudo php phpmqtt\_input.php PHP Fatal error: Uncaught Error: Class ‘Mosquitto\Client’ not found in /var/www/html/emoncms/scripts/phpmqtt\_input.php:101 Stack trace: #0 {main} thrown in /var/www/html/emoncms/scripts/phpmqtt\_input.php on line 101 Any ideas? Thanks ---
**Author:** ![nick](https://community.openenergymonitor.org/user_avatar/community.openenergymonitor.org/nick/32/170_2.png) [@nick](https://community.openenergymonitor.org/u/nick)\ **Post date:** [15 January 2018 18:48 UTC](https://community.openenergymonitor.org/t/installing-mosquitto-for-emoncms/6263/2 "2018-01-15T18:48:07Z")
Here’s my incoming MQTT messages … emon/44/1 4960 emon/44/2 3352 emon/44/3 2170 emon/52/1 9 emon/52/2 3003 emon/46/1 6270 emon/46/2 2940 emon/46/3 2250 emon/43/1 9990 emon/43/2 3362 emon/43/3 710 emon/52/1 9 emon/52/2 3003 emon/46/1 6270 And here’s my settings … ``` $mqtt_enabled = true; // Activate MQTT by changing to true $mqtt_server = array( 'host' => 'localhost', 'port' => 1883, 'user' => 'xxxxx', 'password' => 'xxxxx', 'basetopic'=> 'emon' ); ``` ---
**Author:** ![borpin](https://community.openenergymonitor.org/user_avatar/community.openenergymonitor.org/borpin/32/193_2.png) [@borpin](https://community.openenergymonitor.org/u/borpin)\ **Post date:** [15 January 2018 19:49 UTC](https://community.openenergymonitor.org/t/installing-mosquitto-for-emoncms/6263/3 "2018-01-15T19:49:37Z")
Obvious questions - Have you followed these [instructions](https://github.com/emoncms/emoncms/blob/master/docs/RaspberryPi/MQTT.md)? - You can subscribe to the MQTT feed from the command line using the same details as in the settings? ---
**Author:** ![nick](https://community.openenergymonitor.org/user_avatar/community.openenergymonitor.org/nick/32/170_2.png) [@nick](https://community.openenergymonitor.org/u/nick)\ **Post date:** [15 January 2018 20:09 UTC](https://community.openenergymonitor.org/t/installing-mosquitto-for-emoncms/6263/4 "2018-01-15T20:09:34Z")
Aha, thanks. Had just got to installing sudo pecl install Mosquitto-alpha That seems to have fixed my issue. And now am running just on mqtt. Thanks for pointing me there … Nick ---
**Author:** ![pb66](https://community.openenergymonitor.org/user_avatar/community.openenergymonitor.org/pb66/32/27_2.png) [@pb66](https://community.openenergymonitor.org/u/pb66)\ **Post date:** [15 January 2018 20:44 UTC](https://community.openenergymonitor.org/t/installing-mosquitto-for-emoncms/6263/5 "2018-01-15T20:44:52Z")
A post was merged into an existing topic: [Raspbian Stretch](https://community.openenergymonitor.org/t/raspbian-stretch/5096) ---
**Author:** ![pb66](https://community.openenergymonitor.org/user_avatar/community.openenergymonitor.org/pb66/32/27_2.png) [@pb66](https://community.openenergymonitor.org/u/pb66)\ **Post date:** [15 January 2018 20:47 UTC](https://community.openenergymonitor.org/t/installing-mosquitto-for-emoncms/6263/6 "2018-01-15T20:47:21Z")
I wonder why we are still using mosquitto-alpha? Anyone know? > [@Raspbian Stretch](https://community.openenergymonitor.org/t/raspbian-stretch/5096/55): > > The last alpha version was 0.2.2 released 20 Mar 2014, Since then the mosquitto extension for PHP has passed to beta (v0.3.0 Sept 2015) and updated again to 0.4.0 13 March 2017. > > I noted the linked emoncms guide for installing mosquitto has been revised for PHP7 to include the required symlinking, however, looking at the extension changelog, PHP 7.0 wasn’t officially supported until the last beta version (0.4.0 Mar 17) so I’m guessing “Stretch” users at the very least should be on the beta version? ---
**Author:** ![glyn.hudson](https://community.openenergymonitor.org/user_avatar/community.openenergymonitor.org/glyn.hudson/32/35003_2.png) [@glyn.hudson](https://community.openenergymonitor.org/u/glyn.hudson)\ **Post date:** [16 January 2018 12:07 UTC](https://community.openenergymonitor.org/t/installing-mosquitto-for-emoncms/6263/7 "2018-01-16T12:07:33Z")
A post was split to a new topic: [Upgrading emonSD Mosquito version?](https://community.openenergymonitor.org/t/upgrading-emonsd-mosquito-version/6265)