Practical guides, experiments and field notes for people who like to understand how their systems work — from Raspberry Pi hardware and Linux services to monitoring, security and local AI.
Focused notes and practical walkthroughs drawn from real systems work.
Calendar integrations and practical scheduling tools.
02 / KNOWLEDGE BASECharts, graphs and visualizing data in lightweight web projects.
02 / KNOWLEDGE BASEDatabase installation and administration guides.
04 / KNOWLEDGE BASELinux and BSD installation guides, from desktop systems to small servers.
01 / KNOWLEDGE BASELocal language models and practical AI experiments.
04 / KNOWLEDGE BASENagios, agents, monitoring checks and reliable infrastructure visibility.
04 / KNOWLEDGE BASEHands-on Raspberry Pi GPIO projects, sensors, relays and hardware control.
02 / KNOWLEDGE BASEPractical security, TLS, certificates and safer system configuration.
01 / KNOWLEDGE BASEWindows installation and maintenance guides.
sudo su - apt update apt install -y git git-lfs build-essential cmake python3-pip libopenblas-dev glslc cd /opt git clone https://github.com/ggerganov/llama.cpp groupadd -g 8088 llama useradd -u 8088 -g llama…
Read articleIf you want to read the status of a GPIO input port use the following Python script. The next Python script is reading the status of the GPIO PIN 22 on a 0/1 value and will print "closed"or "OPEN". I use this…
Read articleAPACHE SSL HTTPS WEBSITE a2enmod ssl a2enmod cgi a2enmod speling a2enmod rewrite a2enmod ssl headers a2disconf apache2-doc systemctl restart apache2 apt-get install python-certbot-apache apt-get install…
Read articleSetup Nagios Core server (free license). apt-get install build-essential wget libgd-dev unzip groupadd -g 5666 nagios useradd -u 5666 -g nagios -c "Nagios user for monitoring" -d /usr/local/nagios nagios…
Read articleUsing: - The offline package Google Charts (see other page) - The access.log from apache webserver (I use a json format version, but with some tweaking you could use the default apache logging) - A SQL…
Read articleInstalling Raspbian/Debian on a Raspberry Pi. Debian ========= # Rasbian Image Lite # Textmode install # After initial boot do a reboot shutdown -r now #System: Password user pi; Hostname; Boot_To_CLI; Disable…
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