THE CONTABO BLOG
Server know-how, product
news and hands-on guides
Benchmarks, tutorials and announcements from the team behind your VPS, VDS and
dedicated servers — written for people who actually run the machines.
dedicated servers — written for people who actually run the machines.
Latest articles

How Cloud GPU Computing Accelerates AI
Cloud GPU computing transformed how teams approach AI and machine learning workloads. GPUs excel at parallel processing, cutting neural network training time from weeks to days. This guide…

How to Fix 503 Service Unavailable Errors
A hands-on guide to fixing 503 Service Unavailable errors, from checking server resources and logs to restarting services, reviewing firewall rules, and rolling back bad changes. Also looks…

WordPress Hacked? Detect, Recover & Prevent
If your WordPress site was hacked, act fast. Follow this step-by-step recovery plan to scan for malware, repair core files, remove hidden backdoors, and lock down your site…

GPU vs AI Accelerator: What Are The Differences?
A practical look at GPUs and dedicated AI accelerators for machine learning workloads, comparing architecture, performance, flexibility, cost, availability, and when each option makes sense for training or…

LlamaIndex vs LangChain: Which One To Choose In 2026?
Choosing between LlamaIndex and LangChain isn’t about picking the “better” framework. LangChain excels at orchestration, agents, and multi-step workflows. LlamaIndex specializes in data retrieval and knowledge management. This…

Contabo Wrapped 2025: The Year of “Always Improving”
2025 pushed Contabo to rebuild, upgrade, and transform. Hub Europe became our European backbone with state-of-the-art infrastructure and 99.982% uptime. We revamped the entire VPS lineup with more…

n8n 2.0 is Now Available in Our 1-Click Image
n8n 2.0 focuses on security hardening and reliability improvements that required breaking changes. Task runners now isolate Code node execution, environment variable access is restricted by default, and…

What Is Ollama and How To Use it with n8n
Ollama makes running large language models locally straightforward – no cloud APIs, no per-token billing, no data leaving your infrastructure. Combined with n8n workflow automation, you can build…
