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Unverified software downloads: A significant risk to server security

Debian started signing their repository packages way back in 2007 with the release of Debian 4.0. Yet somehow we have gone backwards when it comes to validation of downloaded software in recent years.

Reducing power consumption of a desktop PC

My current home server, a Raspberry Pi4 with 4GiB RAM is running out of memory and i wondered whether i could convert my existing desktop PC into a home server. The Pi4 with a SSD connected over USB consumes only 7.1W at idle and 9.9W at load. Before i replace the Pi with the desktop, i wanted to check if it could achieve low power consumption at idle.

Setting up Qt Creator for ESP32 development

Setup Step 1: Installation

Evaluation of hashing algorithms Ascon, SHA256, SHA512 and BLAKE3 on an ARM Cortex M7 processor

Here we evaluate the execution performance and code size of various hashing algorithms on a STM32F767 Cortex M7 processor.

Optimizing factorio startup performance when running on a hard disk

While my Operating System is installed on a SSD, i install games like Factorio on my HDD. When running on a hard disk, Factorio takes a long time to startup and show the main menu. A significant percentage of that time is spent on IO, reading the game assets from the slow hard disk.

The essential beginners guide to Linux

If you are someone new to Linux i hope the following will help you out. This guide assumes you are running on Debian(or a Debian derivative)

Growing coriander indoors with 300mW of light

In every indoors farm I’ve seen, the lights used were full spectrum, high power consumption LEDs, kept at a distance away from the plant. I wanted to try out what would happen if a low power, cheap, closely placed LEDs were used instead.