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
302 articles
How to configure HA LVM cluster resource to share LVM in Linux
How to configure HA LVM on CentOS / RHEL 7 Linux without GFS2. How can I configure cluster service or resource to activate and monitor shared LVM volumes?
Tutorial: How to manage docker container with examples ?
Tutorial Manage Docker Container. Download Docker Image from Docker Hub. How to connect and exit from docker container query docker hub and check logs
Step-by-Step Tutorial: Install Docker on CentOS 7 with LVM Thin Provisioning
What is Docker and Docker vs Kubernetes vs Mesos container. Step by Step guide How to install Docker on CentOS 7 Linux. yum install docker centos 7
How to configure or build ceph storage cluster in Openstack ( CentOS 7 )
Step by step guide to build ceph storage cluster in Openstack CentOS 7 Linux on virtual machine. Confiure OSD, mon using ceph-deploy tool for ceph cluster
Steps to Install and configure Controller Node in OpenStack – Part 2
Part 2 of step by step guide to install and configure controller node in openstack. To configure controller node in openstack we will configure glance, nova
Configure High Availability Cluster in CentOS 7 (Step by Step Guide)
Step by Step guide to configure high availability cluster in CentOS or Red Hat 7 using pacemaker and corosync, 3 node HA Cluster on Virtual Box or KVMs..
How to create cluster resource in HA Cluster (with examples)
Configure High Availability Cluster and configure cluster resource and add behind the cluster in CentOS and Red Hat 7 Linux using pcs resource create..
How to configure HAProxy in Openstack (High Availability)
Step by Step Guide to configure HAProxy in openstack i.e.High Availability using pacemaker and corosync to configure load balancer cluser in CentOS 7
How to configure Openstack High Availability with corosync & pacemaker
Step by step guide to configure openstack high availability (HA) using pacemaker and corosync for openstack controller nodes with HAProxy and VIP.
How to Configure Tripleo Undercloud to deploy Overcloud in OpenStack
Step by Step guide to install tripleo (openstack on openstack) undercloud and deploy overcloud in Openstack using virtual machines on Red Hat (RHEL 7)
How to Install TripleO Undercloud (Openstack) on RHEL 7
Step by step guide to Install TripleO Undercloud and deploy Overcloud in Openstack with single compute and controller node on KVM (virt-manager) RHEL 7
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