Building a Meshtastic Solar Node with RAK WisBlock

Meshtastic is an incredible project that allows you to create your own off-grid communication network using inexpensive LoRa-enabled devices. A solar-powered node extends the reach and resilience of your Meshtastic network, making it ideal for remote areas, emergency communication, or even just a fun weekend project. This guide will walk you through building a solar node using the RAK WisBlock Starter Kit, with a focus on configuring it as an extension for other local nodes.

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Unlocking the Power of Synchronization: A Deep Dive into Rsync

In the world of Linux and Unix-like systems, when it comes to efficient file transfers and robust backups, one command stands head and shoulders above the rest: rsync. Short for “remote synchronization,” rsync is a powerful and versatile utility that has become an indispensable tool for system administrators, developers, and anyone who needs to keep data synchronized across different locations.

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The Mighty tee Command: More Than just a Pipe Dream!

We’ve all been there. You’re running a command, its output is flying by, and you desperately need to see it and save it to a file. Do you run it twice? Copy and paste from your terminal emulator? There’s a better way, and it’s called tee.

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From Panic to Peace: A Guide to Kernel Recovery on Alpine Linux

We’ve all been there. You’re tinkering with your Alpine Linux system, perhaps compiling a custom kernel, experimenting with new modules, or even just running a routine update, and then… disaster strikes. A kernel panic, an unbootable system, or perhaps just unexpected behavior that points to a corrupted or misconfigured kernel.

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Fortifying Your Linux Server: The Essential Guide to Disabling Root Login

The “root” user in Linux is the most powerful account on your system. It’s the equivalent of a super-administrator, with the ability to perform any action, modify any file, and essentially control every aspect of your server. While this power is necessary for system administration, directly logging in as root, especially over SSH, is a significant security risk.

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