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 use cron jobs for automation on Ubuntu 14.04.
Cron is one of the most powerful tool in a Linux/Unix based operating systems. A cron job is a Linux utility used for scheduling a task to be executed in
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LinuxHow To Mitigate & Fix OpenSSL Heartbeat on CentOS or Ubuntu.
An extremely critical security issue was recently discovered in OpenSSL. It has been found affecting versions 1.0.1 through 1.0.1f. All CentOS 6.5
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LinuxSetup Continuous Integration Pipelines with GitLab CI on Ubuntu 16.04.
This tutorial will elaborate on how one can set up GitLab CI to not just monitor repositories for changes but also run automated tests for validating code.
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LinuxHow To Setup VNC For Ubuntu.
In computing, Virtual Network Computing (VNC) is a graphical desktop sharing system which transmits the keyboard and mouse events from one computer to
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LinuxInstalling Latest Node.js on Ubuntu.
Node.js is a software platform that is typically used to build large scale (most frequently server-side) applications. It uses Javascript as its scripting
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DatabaseHow To Reset Your MySQL or MariaDB Root Password.
MySQL is an open-source relational database management system (RDBMS). It is open-source and free software, under GNU General Public License as well as
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Node.jsGetting Started with MEAN Stack.
Node.js has one of the biggest tech communities behind it and as a result it also has a colossal amount of toolset to choose from for whatever project you
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ApacheHow To setup LAMP stack on CentOS 7.
LAMP is short for Linux, Apache, MySQL or PHP which is an open source web development platform. It uses Linux as it’s operating system while Apache and
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LinuxHow To Install and Use EasyEngine (ee) on Ubuntu.
EasyEngine (ee) is a linux shell-script collection, which makes managing your WordPress and Nginx sites on an Ubuntu server easy and fun. EasyEngine makes
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LinuxHow To Install FreePBX on CentOS.
PBX (stands for private branch exchange) is a private telephone network used that can be very easily connected to the public landline and mobile networks.
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DockerHow To Install and Use Docker Compose on Ubuntu 14.04.
Docker is an open platform for distributed applications for developers and sysadmins. You can achieve agility and control for Development and IP
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Ruby10 Essential & Useful Ruby on Rails 4 Gems.
The Ruby on Rails framework is an extremely powerful tool for developing web applications. It comes with plenty of built-in features that help accelerate
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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.