Bringing Browser-Based MFA SSO to the OpenStack CLI
Learn how a lightweight keystoneauth1 plugin brings your existing browser-based MFA and SSO to the OpenStack CLI, with no changes to any client tools.
Tutorials
Step-by-step guides to help you get the most out of your cloud infrastructure. Learn how to deploy, configure, and optimize your applications.
LinuxHow to setup OpenVPN Server and Client on Ubuntu 14.04.
OpenVPN is one of the most popular and widely used open source software application that implements virtual private network (VPN) technologies for
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LinuxHow To Create a High Availability HAProxy Setup with Corosync, Pacemaker & Floating IPs on Ubuntu 14.04.
In this tutorial we will cover the build of a two-node high-availability cluster using the Corosync cluster engine, and the Pacemaker.
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DockerHow To Install WordPress & PhpMyAdmin with Docker Compose on Ubuntu 14.04.
Compose is a tool for defining and running complex applications with Docker. With Compose, you define a multi-container application in a single file, then
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ApacheHow To: Install Apache Server On Ubuntu 16.04.
This tutorial includes five easy steps to introduce the best way to set up an Apache internet web server on your own Ubuntu 16.04 quickly.
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NginxHow To Install & Host Ghost with Nginx on Ubuntu.
Ghost is an Open Source application which allows us to write and publish our own blog, giving you the tools to make it easy and even fun to do. It’s
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ApacheHow To Secure Apache with Let's Encrypt on Ubuntu 20.04.
This article will show you how to secure Apache using Let's Encrypt. Let's Encrypt is an Internet Security Research Group (ISRG) free certificate authority.
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DatabaseInstalling the Latest MySQL on Ubuntu 16.04.
Introduction Having the latest version of MySQL is very important. Fortunately, keeping MySQL up-to-date is not a hard task. In this tutorial, we will
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LinuxHow to Install Git on Ubuntu.
Git is an open source, distributed version control system. It’s all the rage right now with sites like GitHub offering a social coding experience, and
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The Real Cost of Running AI on Hyperscalers vs. Open Infrastructure
Hyperscaler AI looks fast but hides long-term lock-in and rising costs. See how OpenStack and Kubernetes deliver GPU infrastructure you actually control.
Why GPUs Sit Idle: The Hidden Efficiency Problem in AI Infrastructure
Many AI clusters run at only 30–50% GPU utilization. Learn why GPUs sit idle and how Kubernetes, scheduling, and better infrastructure design can improve AI infrastructure efficiency.