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Understanding Ansible Semaphore by Building a Hardening Audit Pipeline with Lynis, and Prometheus
1030 words·5 mins
Development Infrastructure Linux Sysadmin
Building an automated Linux hardening audit pipeline using Ansible Semaphore, Lynis, and Prometheus
An Agentic Workflow for YARA-L: Automatic Rule Generation with Gemini CLI and Chronicle
2147 words·11 mins
Projects AI Development Infrastructure LLM
This is a small framework I put together to generate YARA-L detection rules with an LLM in a self-correcting feedback loop. It aims at automating Detection Engineering for Google SecOps (Chronicle)
Architecture overview: Designing a Self-Managing Linux Fleet
1499 words·8 mins
Projects Development Infrastructure Network Architecture
I needed an All-Terrain Linux fleet that could take care of itself: configure, monitor, patch, and protect itself across any environment. This post covers the architecture I designed to make that happen.
Agentic Sysadmin. No Playbooks, No YAML
1343 words·7 mins
Projects AI Development Infrastructure LLM
This post shows the minimal proof of concept SSH tool I built for Opencode AI, and how it could be used to “talk to” remote machines.
Firewall Inception: My pfSense Lab with Proxmox, Cloudflared, and Tailscale
2653 words·13 mins
Projects AI Development Infrastructure Cloud Programming
A simple pfSense ACL project turned into a homelab adventure: Proxmox networking, Cloudflared proxying, and Tailscale inception for remote access.
Building a Remote SDR “Observatory” with Proxmox and Tailscale
799 words·4 mins
Sdr Rf Linux Aerospace Radio HomeLab Projects
I turned an RTL-SDR dongle in my homelab into a full-time, remote-access RF observatory. This guide covers setting up a Proxmox VM as an SDR server with rtl_tcp, securing it over Tailscale, and streaming signals to GQRX from anywhere in the world.
Linux Iptables quick reference
1197 words·6 mins
Linux Terminal Shell Firewall Reference Network Networking
iptables in 5 Minutes: a quick cheat-sheet for quick rule edits, safe testing, and making changes stick, without tripping over firewalld, UFW, or nftables.
Coding with AI: faster than ever, but a bit dumber. MIT explains why
1009 words·5 mins
AI LLM Programming Golang Development
I used AI to learn Golang in 2025. I was faster than ever, but couldn’t remember what I’d written. A recent MIT study explains why.
MacOS Setup for Efficiency | Part 1: Raycast
1260 words·6 mins
Setup MacOS Productivity Reference
Intro and Raycast showcase
Bash History Expansion and Prompt Magic
471 words·3 mins
Linux Scripting Programming Terminal Bash Shell
Interesting and useful use cases of !, #, and ? expansions in Bash
Booting a private AWS EC2 instance with Tailscale
850 words·4 mins
Tailscale AWS Server Sysadmin Network Reference
Booting up an AWS EC2 Instance with Tailscale baked in for a quick homelab testing environment
DoS by playing Janet Jackson: CVE 2022‑38392
707 words·4 mins
Vulnerabilities CVE JanetJackson Music Side-Channel
Denial of Service by playing Janet Jackson’s “Rhythm Nation”
Debian Linux Post-installation setup
388 words·2 mins
Linux Setup
Debian Linux post-installation checklist: Basic installations and configurations for Terminals, Networking, utilities, etc.
Who's monitoring my monitoring Infrastructure? Desigining for observability with Grafana stack
1922 words·10 mins
Projects Network Development Cloud Infrastructure Cybersecurity
In this post, I go through the design process of setting up a monitoring stack with Grafana and Prometheus, along with a couple of Prometheus custom node exportes, inside a Tailscale network, to monitor a SIEM collection infrastructure stack. Link to Github repository: Argandov/Engineering-Patterns Monorepo for a collection of infrastructure & automation patterns for different purposes. Python 1 0
My Current Workflow
663 words·4 mins
Development HomeLab Workflow
My current workflow and overall setup in Linux, MacOS and Windows.
☕️ Cold Brew Recipe
393 words·2 mins
Recipe Random
Recipe for a nice cold brew coffee concentrate
Logs as Code: Building Iris
1297 words·7 mins
Projects Cloud Security
A weekend project turned into Project Iris - A serverless ETL pipeline that bridges the gap between modern vulnerability management and SIEM platforms. This first post dives into the first decisions, challenges, and lessons learned in building a cost-effective, secure, and scalable solution using Google Cloud Platform.
SSH Tunneling and Port-Forwarding guide
592 words·3 mins
Ssh Reference Networking Security Port-Forwarding Tunneling Linux Sysadmin
A brief SSH tunneling & proxy methods guide - Dynamic, Remote & Local port-forwarding. Tunneling and Hardening resources.
Red Team Phishing infrastructure + payload setup
2577 words·13 mins
AWS Projects Blue Development HomeLab Infrastructure Pentesting Red Team Cybersecurity
Buildout of an OSPEC prepared Phishing infrastructure as well as FUD decoys and payloads.
Termbot Use Cases
595 words·3 mins
AI LLM Development Projects Reference
Useful ways to leverage Termbot as a Linux CLI LLM tool. From piping/redirecting stdout to reading text from local files, it allows for several combinations of “data chaining”