DevOps and Development

Learn how to make curl ignore certificate errors by adding the required option to the command. Ignoring certificate errors, should only be practiced for development purposes. Skip checking for SSL certificates only if needed.

Ansible allows you to quickly and easily use a single control node to manage a multiple remote servers. You can use Ansible to create files and folders on remote servers. This tutorial covers several ways to do that.

Create ConfigMaps for your pods configuration settings to keep your images light and portable. This guide shows four different ways how to create a ConfigMap. Additionally, it teaches you how to configure a pod to use a ConfigMap by using volumes or environment variables.

Install the Rancher server on your CentOS and get started using this container management platform that helps manage Kubernetes at scale. Create, run, and deploy clusters in a few simple steps using this powerful tool.

Unstaging in Git means removing queued changes from the index. This guide covers several different ways to unstage changes.

This article provides 10 container security tips that can help you prevent attacks and privilege breaches. It explains the importance of keeping containers updated, privileges and resources limited, and provides other useful security practices.

Learn what privileged Docker containers are, when do people use them, and whether it is a good option for you. Find out how to find out whether a container is privileged and how to protect your host system from such containers.

The article covers seven basic Redis Data Types, including HyperLogLogs and Bitmaps. Each data type is presented using practical and to the point commands.

Install Rancher on your Ubuntu server and get started using this container management platform that helps manage Kubernetes at scale. Create, run, and deploy clusters in a few simple steps using this powerful tool.

Want to learn more about HDFS? This guide explains what the Hadoop Distributed File System is, how it works, and when to use it. If you need an effective solution for big data, HDFS and Hadoop could be the answer.