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 Deploy Python Web Applications with Bottle Micro Framework on Ubuntu 16.04.
Python is a free programming language that makes solving a computer problem almost as easy as writing out one's thoughts about the solution.
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PHP10 Essential Laravel 4 Packages Everyone Should Use.
Laravel is a very popular and easy to use PHP framework which allows you to quickly build applications by providing a solid foundation of tools such as
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NginxFixing 403 Forbidden Nginx Errors.
HTTP errors are pesky and typically hard to resolve without the right tools. However, with proper investigation and tools, you can easily identify the
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LinuxHow To Install and Setup Postfix on Ubuntu.
Postfix is one of the most popular Mail Transfer agent nowadays. It comes as free and open source software package. Recent studies have showed that at
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DevOpsHow To Install GitLab As Your Private GitHub Clone.
Git is a distributed revision control and source code management (SCM) system with an emphasis on speed. Every Git working directory is a full-fledged
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DatabaseHow To Allow Remote Access to MySQL.
A distributed environment has become a requirement for many projects. Separate database servers can increase security and allow you to scale up resources
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LinuxHow To Install Ruby on Rails on Ubuntu.
Ruby on Rails, often simply Rails, is an open source web application framework which runs on the Ruby programming language. It is a full-stack framework:
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NginxHow To Create a SSL Certificate on Nginx for Ubuntu.
Security is always very important when it comes to any type internet communication. SSL certificates are one way to get higher level of security for web
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LinuxHow to add extra swap space on CentOS 6.
In CentOS 6 swap space or simply swap is something that is used by the operating system when the system requires more memory that the physical memory
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LinuxHow to Deploy a Symphony Application to Production on Ubuntu 14.04.
Read about the deployment of Symphony on Ubuntu 14.04 using LEMP or LAMP stack (Linux Apache MySQL PHP). We will be using MySQL and Apache Web server.
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ApacheHow To Install & Configure Varnish with Apache on Ubuntu.
Varnish is an HTTP accelerator designed for content-heavy dynamic web sites. In contrast to other web accelerators, such as Squid, which began life as a
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DockerHow to Install and Use Docker on Ubuntu 14.04.
Docker is an open-source program that enables a Linux application and its dependencies to be packaged as a container such as configuration files, however,
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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.