Older 32-bit versions of Raspberry Pi OS may be incompatible with docker images based on Alpine 3.13 and older. This is due to the bug in the libseccomp2 library, which docker depends on. The issue has been discussed in GitHub and fixed since then. Unfortunately, the fix has not…
Device Tree Overlays provide a way to modify the device tree without re-compiling the complete device tree. Overlays are small pieces, or fragments of a complete device tree, and can be added or removed as needed, often enabling/disabling hardware components in the system. Using overlays we can easily disable…
nginx is a popular web server that is also often used as a reverse proxy. With reverse proxy nginx can expose local services to the public. Exposing local services makes them available to anyone and potentially involves security issues. Authelia comes to the rescue in such scenarios. It adds an…
Plex is one of the best media stream clients. You can host the server locally in your network and stream to any of your devices. One of the benefits of Plex is the ability to transcode the video on the server and stream it to the client. Doing so utilizes…
Raspberry OS allows to run sudo commands with no password. This could be a security issue if Raspberry Pi is globally accessible. In order to require password when executing sudo commands, either remove /etc/sudoers.d/010_pi-nopasswd completely, or edit it and replace NOPASSWD with PASSWD: pi ALL=(ALL)…
This can be checked by running: cat /proc/cpuinfo | grep Model The output will show RPi model: Model : Raspberry Pi 4 Model B Rev 1.1…
Install imagemagick: brew install imagemagick Then create a PDF: convert *.jpg output.pdf OR convert -quality 60 *.jpg output.pdf…
> WireGuard® is an extremely simple yet fast and modern VPN that utilizes state-of-the-art cryptography. It aims to be faster, simpler, leaner, and more useful than IPsec, while avoiding the massive headache. It intends to be considerably more performant than OpenVPN. Additionally, Linus Torvalds, the creator of Linux, said that…
