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How to Set Up a Reverse Proxy With Apache

Apache is a versatile web server which offers a full complement of supporting features, some of them via extensions. In this article, we’ll use the mod_proxy module to configure Apache in a reverse proxy role….

What Are Kubernetes Controllers and Operators?

The Kubernetes terms “controller” and “operator” refer to two different patterns that transition a cluster into a desired state. Controllers are an established concept whereas Operators have emerged more recently to describe …

DKIM, DMARC, and SPF: Setting Up Email Security

DKIM, DMARC, and SPF are the three main mechanisms maintaining the security of emails. The related protocols let you prevent unauthorized servers from sending as your domain and give recipients a way to verify emails really c…

How to View Kubernetes Pod Logs With Kubectl

Viewing Pod logs is often the first step in diagnosing a problem with your cluster’s workloads. Here’s how to use Kubectl to live stream logs to your terminal, letting you inspect the output from your application….

How to Back Up Your GitLab Server

Organizations using a self-managed GitLab instance usually rely on it to hold their source code, project management, and operational tooling. It’s vital to have functioning backups so your data’s protected in case of a hardwa…
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