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| OS | Linux/BSD with i3 |
Turn Raspberry Pi Zero 2 W into USB WiFi dongle
The Raspberry Pi Zero 2 W is a versatile device capable of emulating multiple functionalities, such as a sound card, USB WiFi adapter, or USB storage using USB OTG (On-The-Go) mode. In this article, we focus on using it as a USB WiFi dongle. In this setup, a plugged-in computer detects the Pi Zero as a Network Interface Card (NIC) and connects to the internet through the Pi's WiFi connection. Motivation You might ask: why…
What is EnumMap in Java
EnumMap is a specialized implementation of the Map data structure in which the keys are enums. It's particularly useful in scenarios where we want to retrieve a value corresponding to an enum constant. In this article, we’ll explore how to work with EnumMap and provide examples to aid understanding. Let’s assume we want to implement a mapping function that accepts a Java…
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Execute commands as the root user on OpenBSD with doas
In Linux, when a user wants to execute a command as the root user, they use the sudo command. In the OpenBSD world, it is different since the system, by default, ships with the doas command, which essentially does the same thing as sudo: it allows users to execute commands as another (root) user. This does not mean that you cannot use…
