If your emails fail to reach recipients, your configuration may be incorrect or flagged as spam. Common issues involve missing or incorrect SPF, DKIM, DMARC, or Reverse DNS (PTR) records. This guide explains how to fix these problems and improve email deliverability.  Reverse DNS Check – Setting Up a PTR Record  A PTR record (Reverse […]

If you’ve placed an order at Contabo and are now wondering how you’ll know what is happening with your server, here’s how to keep track of your order.  Step 1: Open the Order Status Page  Head over to the Order Status Page. There you can find any updates on your order.  Step 2: Enter your

How to Upgrade the Operating System on your Contabo Server  Keeping your server’s operating system up to date is one of the most important steps you can take to ensure security, stability and performance. Regular upgrades fix vulnerabilities, improve functionality and ensure that your applications run smoothly.  Why do I need to Upgrade my Operating

Databases form the backbone of modern websites, applications, and businesses. They store, organize, and make data accessible – ensuring systems run efficiently, and users get quick results. Broadly, databases fall into two categories: SQL (relational) and NoSQL (non-relational). Both are powerful, but they serve different needs depending on data structure, scalability, and performance goals.  Let’s

Installing PHP on Linux is a straightforward process, but doing it on a VPS gives you more control and flexibility. Whether you’re setting up a new server for a project or migrating an existing site, a Linux PHP install ensures you can run frameworks and content management systems exactly the way you want. Using a

Uploading files to your Contabo server is a basic step for managing websites, applications, or data. Depending on your operating system, the method may differ. This guide covers multiple ways to transfer files efficiently between Windows and Linux systems.  Uploading Files to a Windows Contabo Server from a Windows Computer  The simplest way to transfer

Migrating a WordPress website may sound complicated, but with the right approach, it’s simple and safe. WordPress powers over 40% of all websites on the internet – from personal blogs to corporate websites and online stores. Whether you want to switch hosting providers or move to a faster server, this step-by-step guide shows you exactly

When you manage a server, fast and reliable support is everything. Whether you want to set up WordPress, configure SSH, customize your firewall, or get answers to billing questions, Contabo offers a bunch of ways to get the help you need. This overview walks you through all the support options available, so you always know

If your cloud application is slow, the problem often lies within the database. A heavily used application sends more queries, more users access the same databases, and response times begin to increase. In this guide, you will learn how to improve the performance of your cloud database with four practical techniques. These include database indexing,

HTTP/3 is one of the easiest upgrades you can make for faster web delivery. In this guide, we’ll show you how to enable HTTP/3 step by step in LiteSpeed Web Server. You’ll also learn what HTTP/3 is, why it’s important for optimization, and how to check if it’s working.  What Is LiteSpeed  LiteSpeed is a

Jenkins helps you deliver updates faster while ensuring consistency in your deployments. Instead of repeating manual steps, you can use a pipeline to handle the creation, testing, and deployment of your application with every change. In this guide, we’ll show you how to set up a simple but effective Jenkins pipeline to support continuous integration

Ansible helps you automate server provisioning and configuration management with code. Instead of repeating manual setup steps, you run the same playbook on every server. As a result, you get consistent configurations, even across many VPS instances.  In this guide, you will see how to install Ansible, create a simple playbook, and run it against