Server Administration

I don't just write code. I build the homes it lives in. From AWS auto-scaling instances to hardened Debian servers, I configure, secure, and optimize the infrastructure that powers your applications. Systems administration was my first love. It's still my foundation.
Server Administration

Code Needs a Home. I Build Fortresses.

Great code on bad infrastructure is still bad. I ensure your applications run on servers that are secure, fast, and resilient. Linux, Nginx, Redis, Debian—I speak server. I configure them to perform, harden them to protect, and monitor them to stay ahead of problems. Your code gets the home it deserves.

I Speak Server. Linux, Nginx, Redis, Debian. Fluently.

Great code on bad infrastructure is still bad. I ensure your applications run on servers that are secure, fast, and resilient. Firewalls, fail2ban, SSH hardening, regular updates. I secure servers like I'd secure my own—because I do. Every access logged. Every vulnerability closed. No shortcuts. Your code gets the home it deserves. Your business gets the peace of mind it needs.


My Stack

  • Debian Linux — Rock solid. Stable. Battle-tested. I've been running Debian since before it was cool. It's still my go-to for production servers.
  • Nginx — Fast, lightweight, and powerful. Reverse proxy, load balancing, static file serving. Nginx is the rocket that delivers your code.
  • Redis — Caching, sessions, queues. In-memory speed for real-time performance. Redis makes your fast code even faster.
  • AWS — Auto-scaling, load balancers, multi-region deployment. Infrastructure that grows with you, never against you.
  • SSL/TLS — A+ rated certificates. Let's Encrypt automation. Perfect forward secrecy. Security that doesn't compromise performance.

What I Do

  • Server Configuration — From bare metal to cloud instances. I configure servers for performance, security, and maintainability. No guesswork. Just best practices.
  • Hardening & Security — Firewalls, fail2ban, SSH hardening, regular updates. I secure servers so you don't have to worry about the 3am breach call.
  • Performance Optimization — Nginx tuning, Redis caching, kernel parameters. Servers that don't just run—they fly.
  • Monitoring & Alerting — CPU, memory, disk, network. When something goes wrong, I know before you do.
  • Backup & Disaster Recovery — Automated backups, offsite storage, tested recovery. When things go sideways, you don't lose data. You don't lose sleep.

My Systems Administration Roots

My first studies were Systems Administration and Security. That foundation shapes everything I build:

  • Security First — I think like an attacker. I build like a defender. Every server hardened, every access logged, every vulnerability closed.
  • Automation Obsessed — Manual config is error-prone. I automate everything: deployments, monitoring, updates. Servers that manage themselves, mostly.
  • Disaster Prepared — Not if. When. I build systems that survive failure—and recover without panic when they don't.
  • Performance Driven — Slow servers lose business. I optimize at every layer—network, OS, application—to keep response times low and uptime high.

Debian Linux

Stable, secure, predictable. My servers run Debian. They don't surprise me. They just work.

Nginx Rocket

Fast, lightweight, powerful. Reverse proxy, load balancing, static files. Nginx delivers.

Redis Cache

In-memory speed for real-time performance. Caching, sessions, queues. Redis makes fast faster.

A+ SSL

Let's Encrypt automation. Perfect forward secrecy. A+ rated security. Your users are safe. Your data is safe.

Server Administration

Linux, Nginx, Redis, Debian. Configured. Hardened. Rock solid.

Server Administration: What People Ask

If you need anything, don't hesitate to contact me—I'm always happy to help!

What operating systems do you use?

Debian Linux. Stable. Secure. Predictable.

I've used many distributions over the years. Debian is my home. It's stable, well-documented, and secure by default. My servers run Debian. They don't surprise me. They just work.

How do you secure servers?

Defense in depth. Layers of protection, not just one lock.

Firewalls, fail2ban, SSH hardening, regular updates, intrusion detection. I secure servers like I'd secure my own—because I do. Every access logged. Every vulnerability closed. No shortcuts.

Do you use cloud providers or bare metal?

Both. I choose what fits.

AWS for auto-scaling, global distribution, managed services. Bare metal for dedicated performance. I've worked with both and I know where each shines. Your infrastructure matches your needs, not a one-size-fits-all.

How do you handle SSL certificates?

Let's Encrypt. Automated. A+ rated.

SSL is non-negotiable. I use Let's Encrypt for automated certificate management, strong ciphers for security, and perfect forward secrecy for protection. My SSL configurations score A+ on every test. Your users are safe.

How do you monitor server health?

Proactively. Before you notice a problem.

CPU, memory, disk, network, application logs. I monitor everything. When something goes wrong, I know before you do. When something might go wrong, I fix it before it does.

What about backups and disaster recovery?

Automated. Tested. Reliable.

Backups happen automatically. They're stored offsite. They're tested regularly. When disaster strikes, you don't lose data. You don't lose sleep. You just restore and get back to business.

Can you optimize slow servers?

Absolutely. I find the bottlenecks and fix them.

Slow servers are a diagnosis problem. I profile, measure, and optimize—Nginx tuning, Redis caching, kernel parameters, database queries. Your servers will run fast. Your users will notice.

Core Expertise

I provide a full-cycle digital transformation service, from conceptual branding to complex cloud architectures.

Branding

Dev

Growth

🌐

Fast Scale

Optimized for rapid growth and high traffic.

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Recommended Products

🔺Joseba Mirena has no involvement in any of the recommended products; all brands are property of their respective companies.
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*Prices and reviews are indicative and subject to change without prior notice.

Joseba Mirena

Let's build something that matters.

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