Learn how to measure CO2 levels in the air with the low-cost Senseair sensor and a Raspberry Pi.
How to properly configure Hikari connection lifetime with MariaDB.
An example of a Log4J 2.x configuration in YAML format for syslog.
Learn how to measure temperature, humidity and air pressure with RuuviTag sensors and use Raspberry Pi and Java code to collect and process the data.
Learn how to build an air quality monitoring device with a PMS7003 sensor, Raspberry Pi and some Java code. Help raise awareness about air pollution.
Learn how you can create a custom Hibernate type to map a collection of enums to a single column in the relational database table.
Learn how to install Java 11 (OpenJDK) on a Raspberry Pi with a Raspbian/Debian/Ubuntu or similar OS.
By following the provided instructions, you can create a headless Raspberry Pi (without a monitor and a keyboard) that's ready for remote access over SSH.
Here is a concise guide on how to manually setup a server for hosting a website based on WordPress, with Ubuntu, nginx, PHP, MariaDB and Let's Encrypt SSL.