DevOps Tools, CI/CD and Automation Guides
Master DevOps with tutorials on CI/CD pipelines, Kubernetes, Docker, Git, and automation tools used in modern infrastructure.
The DevOps section focuses on automation, CI/CD pipelines, and modern infrastructure management tools.
DevOps combines development and operations to improve software delivery and system reliability. This category includes tutorials on tools like Docker, Kubernetes, Git, and CI/CD workflows.
To strengthen your foundation, also explore Linux and Programming.
Topics covered
- CI/CD pipelines and automation
- Containerization using Docker
- Kubernetes orchestration
- Infrastructure as code
Who should read this
- DevOps engineers
- Developers working with CI/CD
- Cloud engineers
351 articles
How to create and set property of flavor in OpenStack with examples
In this article I will show you the steps to create and set property of flavor with examples. Use openstack flavor set --property for existing flavors
Solved: ironic node-delete is associated with instance
Here I have shared the steps to fix "ironic node-delete is associated with instance" where you fail to delete an ironic node accociated with an instance.
How to troubleshoot OpenStack ironic introspection
Troubleshoot OpenStack ironic introspection for issues like Invalid provision state for introspection, Look up error: Could not find a node for attributes.
Step-by-Step Tutorial: Install OpenStack on CentOS 7 using Packstack
Step by Step openstack installation Guide using packstack single node in centos or rhel 7 linux. Install Openstack on CentOS 7 using Packstack
Check Openstack version and mapped release information
Is there any single command to check openstack version or release name and how is Red Hat Openstack version mapping done.
Solved 'No valid host was found. not enough hosts available'
Overcloud deployment fails with error message "No valid host was found. There are not enough hosts available" in Undercloud Openstack with Red Hat.