Edit PDFs on the Linux command line
Many of the documents you receive come in PDF format. Sometimes those PDFs need to be manipulated. For example, pages might need to be removed or added, or you might need to sign or change a specific page. Whether good or bad, this is the reality we all live in. There are some fancy graphical user interface tools that let you edit PDFs, but I have always been most comfortable with the command line. Of the many command-line tools for...
Why you need to use Kubernetes schema validation tools
How do you ensure the stability of your Kubernetes (K8s) clusters? How do you know that your manifests are syntactically valid? Are you sure you don’t have any invalid data types? Are any mandatory fields missing? Most often, we become aware of these misconfigurations only at the worst time: when we’re trying to deploy the new manifests. Specialized tools and a “shift-left” approach make it possible to verify a...