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
Cal.com vs Calendly: Open-Source Self-Hosted Scheduling vs SaaS
Cal.com and Calendly both offer strong scheduling features, but they differ sharply in pricing, data ownership, and deployment. This comparison explains where Cal.com stands out as an open-source,…
ERR_SSL_VERSION_OR_CIPHER_MISMATCH: Causes & How to Fix It
Facing the ERR_SSL_VERSION_OR_CIPHER_MISMATCH error? Learn what causes this SSL protocol failure and how to fix it on both servers and browsers.
Cal.com vs SavvyCal: Self-Hosted Open Source vs Polished SaaS Scheduling
Cal.com and SavvyCal take very different approaches to scheduling. This comparison explains where Cal.com stands out for self-hosting, APIs, and data ownership, and where SavvyCal leads with its…
Coolify vs CapRover: Which Self-Hosted PaaS Wins in 2026?
Coolify and CapRover both turn a VPS into a self-hosted PaaS, but they differ in interface, resource use, database handling, and deployment style. This comparison explains where Coolify…
How to Install Docker on Ubuntu: Step-by-Step Guide
Install Docker on Ubuntu in four steps: update packages, add the Docker repository, install Docker Engine, and verify. Includes Docker Compose v2, Contabo VPS notes, and fixes for…
Bash Array Guide: Indexed, Associative, Loops
Use Bash arrays to store and manage lists of values in shell scripts. Covers indexed and associative arrays, declaring, adding, printing, removing elements, looping, and passing arrays to…
How to Install Minecraft Mods — 2026 Guide
How to install Minecraft mods using Forge or Fabric on a dedicated server, Windows, and macOS. Includes modpack setup and troubleshooting tips.
HTTP 304 Status Code: Meaning and How to Fix It
Understand the HTTP 304 status code, why browsers use cached content, and when it causes stale pages. Covers ETags, Last-Modified, Cache-Control, CDN caching, troubleshooting, and SEO impact.