# Posts ## [Hermes Agent Operator's Manual](https://vlaicu.io/posts/hermes-agent-manual/) *May 24, 2026* Building an AI assistant that can act, remember, and improve ## [The Modern Ubuntu Bash Terminal Setup](https://vlaicu.io/posts/ubuntu-terminal-setup/) *June 19, 2026* Turn Ubuntu's default bash into a fast, beautiful terminal: ble.sh, Oh My Posh, fzf, atuin, yazi, uv + direnv — plus the ordering gotchas that aren't in any README. ## [LLM Quantization](https://vlaicu.io/posts/llm-quantization/) *June 18, 2026* Quantization is what turns a model that needs eight datacenter GPUs into one that runs on a laptop. A complete tour of the landscape — what the bits actually mean, how every major format and method differs, and a practical framework for picking among them. ## [DGX Spark + LlamaCPP Playbook](https://vlaicu.io/posts/dgx-llamacpp-playbook/) *June 17, 2026* A complete, self-contained guide to running local LLMs on the NVIDIA DGX Spark (GB10 / sm_121) with llama.cpp — build with CUDA and native FP4, serve any GGUF model over an OpenAI-compatible API with a single `llm` command, and tune it all for the Spark's 128 GB unified memory. ## [Minisforum A2](https://vlaicu.io/posts/minisforum-a2/) *June 12, 2026* A desktop-class 16-core in 1.8 litres. Months of living with, modifying, and finally selling the Minisforum MS-A2 — a brilliant little server, a terrible roommate. ## [Q-feeds](https://vlaicu.io/posts/qfeeds/) *May 7, 2026* Using Q-Feeds threat intelligence on OPNsense with AdGuard Home for DNS-layer blocking and pf firewall rules for IP-layer blocking, including a clean multi-VLAN setup with Interface Groups. ## [Claude Code Self Evolving](https://vlaicu.io/posts/claude-code-self-evolving/) *April 1, 2026* How To make Claude Code into a self-evolving system walkthrough ## [Mosh FIDO2 / Yubikey Fix](https://vlaicu.io/posts/mosh-yubikey-fix/) *March 6, 2026* Fix Yubikey touch prompt in terminal when using Mosh ## [Mosh - The SSH Replacement You Didn't Know You Needed](https://vlaicu.io/posts/mosh/) *March 6, 2026* If you've ever had an SSH session freeze mid-command because you switched from Wi-Fi to mobile, or lost your work because a hotel network dropped for three seconds, **Mosh** is the tool that fixes all of that. ## [Seamless Python Environment Management on macOS](https://vlaicu.io/posts/uv-direnv/) *February 18, 2026* A manual, lightweight approach to Python virtual environment management that auto-activates when you `cd` into a project and deactivates when you leave — without ever running `source .venv/bin/activate` again. ## [Kea DHCP to Unbound DNS Registration](https://vlaicu.io/posts/kea-unbound/) *February 7, 2026* This plugin bridges the gap between the Kea DHCP server (IPv4 & IPv6) and Unbound DNS on OPNsense. It automatically registers hostnames for DHCP clients into the Unbound DNS subsystem, restoring dynamic DNS functionality with robust dual-stack support. ## [Ubiquiti U5G Max GRE Tunnel with OPNsense](https://vlaicu.io/posts/u5g-max-gre-tunnel/) *February 3, 2026* I have made a walkthrough guide on how to set up the new Ubiquiti U5G Max using a GRE tunnel with a third party gateway, in this case OPNsense. It is fully functional, production ready I would say and more or less straight forward. ## [Frigate NVR - Complete Setup Guide with Nvidia Blackwell](https://vlaicu.io/posts/frigate-guide/) *February 2, 2026* Docker - Frigate 0.16.4 - NVIDIA RTX 2000 Pro Blackwell ## [Pure - A minimal ZSH Prompt](https://vlaicu.io/posts/pure/) *November 23, 2025* Pure is a pretty, minimal, and fast ZSH prompt designed to stay out of your way while providing essential information. Created by Sindre Sorhus, it stands out from cluttered, slow prompts by offering a clean, visually pleasing interface. ## [Magic Wormhole](https://vlaicu.io/posts/wormhole/) *November 19, 2025* Magic Wormhole is an elegant solution to one of computing's most persistent problems: how to securely transfer files between two computers without the complexity of SSH keys, server configuration, or third-party services. Created by Brian Warner, this open-source tool embodies the principle that security and usability don't have to be mutually exclusive. ## [Caddy vs Nginx](https://vlaicu.io/posts/caddy-vs-nginx/) *November 18, 2025* Why Caddy is Better Than Nginx: A Comprehensive Comparison ## [Datanode.eu](https://vlaicu.io/posts/datanode/) *November 14, 2025* State-of-the-Art datacenter in Timișoara - Romania ## [Discover Cloudify.ro](https://vlaicu.io/posts/cloudify/) *November 13, 2025* Romania's top Cloud VPS service provider - #CloudifyRO #BetterThanHetzner #RomanianCloudRevolution #OpenStackPower ## [Awesome CLI Tools](https://vlaicu.io/posts/awesome-cli-tools/) *May 21, 2025* Awesome CLI tools for productivity and more ## [Neovim](https://vlaicu.io/posts/neovim/) *May 21, 2025* Some description ## [Zimaboard](https://vlaicu.io/posts/zimaboard/) *May 20, 2025* The ZimaBoard and ZimaBoard 2 are single-board servers designed for homelab enthusiasts, makers, and DIY server builders. ## [Crowdsec IPDEX on OPNsense](https://vlaicu.io/posts/crowdsec-ipdex/) *May 16, 2025* IPDEX a simple CLI tool to gather insight about a list of IPs or an IP using the CrowdSec CTI ## [Little Snitch](https://vlaicu.io/posts/little-snitch/) *May 16, 2025* A Refined Look at its benefits, value, and how it compares to OpenSnitch and other similar solutions. ## [Crowdsec AS Number Whitelist](https://vlaicu.io/posts/crowdsec-as-whitelist/) *May 16, 2025* Crowdsec AS Numbers Whitelist in Postoverflows ## [Crowdsec CTI API Integration with Suricata](https://vlaicu.io/posts/crowdsec-cti/) *May 16, 2025* Integrating Crowdsec CTI API with Suricata running in IDS mode. This automation queries each IP address pushed by Suricata into fast.log ## [Suricata Nmap Rules](https://vlaicu.io/posts/suricata-nmap-rules/) *January 25, 2025* Here are some custom Suricata Nmap rules that you can use ## [The Swiss Army Knife of Remote Access](https://vlaicu.io/posts/the-swiss-army-knife-remote-access/) *January 25, 2025* Master SSH Tunneling: Securely access internal services with local and remote port forwarding. Ideal for network security enhancement. ## [Crowdsec Integration with Suricata](https://vlaicu.io/posts/crowdsec-integration-with-suricata/) *January 18, 2025* Crowdsec integration with Suricata and Pushover notifications running on OPNsense ## [Cloudflare Zero Trust tunnel for OPNSense](https://vlaicu.io/posts/cloudflare-tunnel-opnsense/) *January 18, 2025* Cloudflare provides you with a secure way to connect your resources without a publicly routable IP. ## [ZSH Autocompletion](https://vlaicu.io/posts/zsh-autocompletion/) *January 2, 2025* ZSH Autocompletion ## [Neohtop](https://vlaicu.io/posts/neohtop/) *December 5, 2024* A modern, cross-platform system monitor built on top of Svelte, Rust, and Tauri. ## [Cloudflare Zero Trust](https://vlaicu.io/posts/cloudflare-zero-trust/) *October 1, 2024* Securely exposing a self-hosted application using Cloudflare Zero Trust ## [Zenarmor Remote Elasticsearch](https://vlaicu.io/posts/zenarmor-remote-elasticsearch/) *September 30, 2024* Zenarmor Remote Elasticsearch Database with Docker ## [Zenarmor and Suricata on Lan](https://vlaicu.io/posts/zenarmor-and-suricata-on-lan/) *September 30, 2024* Zenarmor and Suricata on LAN. YES it works! ## [OPNsense Dec 850 V2](https://vlaicu.io/posts/opnsense-dec-850-v2/) *September 30, 2024* More Than Just Hardware, It’s a Work of OPNsense Art! ## [Replicating to Amazon S3 Using Litestream](https://vlaicu.io/posts/replicating-to-amazon-s3-using-litestream/) *September 29, 2024* Replicating to Amazon S3 Using Litestream ## [Snips](https://vlaicu.io/posts/snips/) *September 28, 2024* snips.sh is a free, anonymous, open source, snippet service.