# Error building Pymodbus

**URL:** <https://forum.legato.io/t/error-building-pymodbus/5913>\
**Category:** Legato Linux distribution (Yocto project)\
**Created:** [July 29, 2021, 7:34am UTC](https://forum.legato.io/t/error-building-pymodbus/5913 "2021-07-29T07:34:56Z")\
**Posts on this page:** 1\
**Showing post:** 20

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**Author:** ![jyijyi](https://sea1.discourse-cdn.com/flex019/user_avatar/forum.legato.io/jyijyi/32/822_2.png) [@jyijyi](https://forum.legato.io/u/jyijyi)\
**Post date:** [June 9, 2025, 9:27am UTC](https://forum.legato.io/t/error-building-pymodbus/5913/20 "2025-06-09T09:27:18Z")

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how about using mosquitto?

> **[mqttClient Service Connect error?](https://mangoh.discourse.group/t/mqttclient-service-connect-error/9093/87)**
>
> I tried, but unfortunately this is not the solution either. However, I noticed another thing. I have Mosquitto server installed on windows of another PC and from my Ubuntu I can ping (seeing the connection attempt on the other side): But if I...

> **[OpenEmbedded Layer Index - mosquitto](https://layers.openembedded.org/layerindex/recipe/56181/)**

Or you can use python:

> [@FX30s LTE \[WP7702\] Addition of python recipes](https://forum.legato.io/t/fx30s-lte-wp7702-addition-of-python-recipes/4896/2):
>
> 1.download the yocto source and go to ./meta-swi/meta-swi-mdm9x28/recipes-core/images/mdm9x28-image.inc 2.add the following line: IMAGE\_INSTALL\_append = " python python-paho-mqtt" 3.go to ./meta-swi/meta-swi-mdm9x28/conf/machine/swi-mdm9x28.conf change UBI\_ROOTFS\_SIZE ?= “48MiB” For the python recipes, you can see [https://layers.openembedded.org/layerindex/branch/morty/layer/meta-python/](https://layers.openembedded.org/layerindex/branch/morty/layer/meta-python/)

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