The Awsm Dvlprz Blog

Tales of awesomazing adventures

Letsencrypt, the free, automated, and open Certificate Authority has revolutionized the way servers of all sorts are secured to use SSL/TLS. Usually the entire process is quite smooth, but under certain circumstances requires some additional configuration. This short note explains how to configure Apache2 to use a virtual host in a user directory and redirect all http traffic to https.

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The ESP 32 from Espressif is a nifty device that supports both WiFi and Bluetooth LE communication. This short note explains how to transmit to and receive data from AWS IoT on WiFi using MQTT protocol on an ESP32 device.

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This short note explains how to use the Ourlink AC600 USB WiFi adapter on Linux and Mac OS. In the end it is straightforward if you know what to do. Listing the steps here to save others time and effort.

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As regular users of Linux will know, WeWork does not support printing from Linux machines. This is my attempt to democratize the availability of printing services for all users.

Note: Apparently this does work on Fedora too.

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This adventure covers transferring temperature data from Beaglebone Black over Meshblu using MQTT, Bluetooth and/or WiFi. The part about displaying the data on a dashboard using Freeboard will eventually be written at some point.

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