Alvarito1983

Founder of El Rack (elrack.es) — Spanish homelab & self-hosting reviews. Senior Sysadmin by day. Also building NEXUS, open source Docker tools. Self-hosted.

Spain Joined on Apr 2, 2026 https://elrack.es/

Work

Senior Sysadmin

Alvarito1983

Aug 6

Kimi K3 is the largest open-weight model ever released — and you probably still can't run it

#ai #llm #opensource #machinelearning

2 min read

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Alvarito1983

Aug 5

The MCP servers actually worth installing in Claude Code (2026) Published

#ai #claudecode #mcp #productivity

4 min read

Alvarito1983

Apr 27

I asked Claude Code to refactor a feature it built last week. It hated its own code.

#ai #productivity #tooling #webdev

5 min read

Alvarito1983

Apr 25

The AI Coding Tools Panorama in 2026: From Claude Code to the Free Alternatives That Actually Replace It

#ai #productivity #tooling #webdev

9 min read

Alvarito1983

Apr 23

Quadlet: The Podman Feature That Finally Makes Sense on a Homelab

#podman #linux #selfhosted #homelab

7 min read

Alvarito1983

Apr 22

The WSL2 Guide I Wish I Had: 4 Gotchas That Will Eat Your Afternoon

#wsl2 #docker #devops #microsoft

4 min read

Alvarito1983

Apr 20

Everyone is using Claude Code wrong.

#claudecode #ai #productivity #programming

4 min read

Alvarito1983

Apr 18

I let Claude AI decide whether to patch my Docker vulnerabilities — here's what it found

#docker #security #ai #devops

4 min read

Alvarito1983

Apr 17

CLAUDE.md: the file that makes AI actually remember what you built and why

#claude #claudecode #ai #devops

4 min read

Alvarito1983

Apr 16

I added autonomous AI agents to my self-hosted Docker platform — here's what Level 1 vs Level 2 autonomy actually means

#docker #selfhosted #ai #devops

5 min read

Alvarito1983

Apr 15

The next phase of AI isn't smarter models. It's infrastructure.

#discuss #ai #devops #infrastructure

5 min read

Alvarito1983

Apr 14

Claude Code Part 2: How I use Sub-agents to build entire features in parallel

#claude #devtools #ai #claudecode

8 min read

Alvarito1983

Apr 14

I run 7,000 servers at work. My homelab taught me more about reliability than any of them.

#discuss #devops #homelab #career

5 min read

Alvarito1983

Apr 13

I'm not a developer. I used AI to build a 6-tool software ecosystem anyway.

#discuss #ai #devops #career

5 min read

Alvarito1983

Apr 12

I stopped trying to learn every DevOps tool. So I built my own.

#devops #docker #selfhosted #career

4 min read

Alvarito1983

Apr 11

I scanned my own Docker images. Here's what I found — and how I built the scanner.

#docker #security #devsecops #opensource

5 min read

Alvarito1983

Apr 10

How I use Claude Code to understand codebases I didn't write

#claudecode #ai #programming #webdev

6 min read

Alvarito1983

Apr 9

What nobody tells you about building your own SSO

#node #javascript #webdev #docker

5 min read

Alvarito1983

Apr 9

Why I stopped paying for SaaS tools and built my own Docker ecosystem instead

#docker #selfhosted #opensource #webdev

5 min read

Alvarito1983

Apr 8

Claude Code Sub-agents: How to Coordinate Multiple AI Agents on a Single Project

#claudecode #ai #programming #webdev

5 min read

Alvarito1983

Apr 7

Claude Code: The Complete Guide from Zero to Autonomous Development

#ai #claude #cli #tutorial

7 min read

Alvarito1983

Apr 6

NEXUS Ecosystem: I built a modular Docker management ecosystem in my spare time

#docker #opensource #nexus #devops

2 min read

Alvarito1983

Apr 5

How Claude Code + Specialized Agents Changed My Development Workflow in 2026

#claudecode #ai #devops #opensource

3 min read

Alvarito1983

Apr 4

Why I Built My Own Docker Dashboard Instead of Using Portainer

#docker #selfhosted #opensource #devops

3 min read

Alvarito1983

Apr 2

I built a self-hosted Docker management ecosystem — NEXUS, Watcher and Pulse (open source, MIT)

#docker #selfhosted #opensource #homelab

5 min read

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Kimi K3 is the largest open-weight model ever released — and you probably still can't run it

Want to connect with Alvarito1983?

The MCP servers actually worth installing in Claude Code (2026) Published

I asked Claude Code to refactor a feature it built last week. It hated its own code.

The AI Coding Tools Panorama in 2026: From Claude Code to the Free Alternatives That Actually Replace It

Quadlet: The Podman Feature That Finally Makes Sense on a Homelab

The WSL2 Guide I Wish I Had: 4 Gotchas That Will Eat Your Afternoon

Everyone is using Claude Code wrong.

I let Claude AI decide whether to patch my Docker vulnerabilities — here's what it found

CLAUDE.md: the file that makes AI actually remember what you built and why

I added autonomous AI agents to my self-hosted Docker platform — here's what Level 1 vs Level 2 autonomy actually means

The next phase of AI isn't smarter models. It's infrastructure.

Claude Code Part 2: How I use Sub-agents to build entire features in parallel

I run 7,000 servers at work. My homelab taught me more about reliability than any of them.

I'm not a developer. I used AI to build a 6-tool software ecosystem anyway.

I stopped trying to learn every DevOps tool. So I built my own.

I scanned my own Docker images. Here's what I found — and how I built the scanner.

How I use Claude Code to understand codebases I didn't write

What nobody tells you about building your own SSO

Why I stopped paying for SaaS tools and built my own Docker ecosystem instead

Claude Code Sub-agents: How to Coordinate Multiple AI Agents on a Single Project

Claude Code: The Complete Guide from Zero to Autonomous Development

NEXUS Ecosystem: I built a modular Docker management ecosystem in my spare time

How Claude Code + Specialized Agents Changed My Development Workflow in 2026

Why I Built My Own Docker Dashboard Instead of Using Portainer

I built a self-hosted Docker management ecosystem — NEXUS, Watcher and Pulse (open source, MIT)