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 configure Ansible on controller and managed node
Step by step instructions to configure ansible on RHEL/CentOS 8. Since ansible is agentless we don't need any configuration on managed nodes.
Ansible Architecture
The important terminologies which we have in an Ansible Architecture are control node, managed nodes, tasks, play, playbook and many more..
Ansible Installation Guide on RHEL/CentOS 8
There are different methods using which you can install ansible using default package manager such as yum, dnf, apt, Using pip and using source compile file
How to provision AWS EC2 Instances using Ansible
How to provision AWS EC2 instances using ansible playbook. Create, launch, start, stop and terminate instances using tags and instance id with ec2 module
How to cleanup Failed Actions from pcs status of cluster
Cleanup failed actions messages in pacemaker cluster. Cleanup failed resource actions and failed fencing actions in pcs status output or HA Cluster
Setup KVM DRBD Cluster File System Pacemaker CentOS 8
Step-by-Step tutorial to configure DRBD CLuster File System with clone using Pacemaker 2.0 on KVM Virtual Machines with RHEL/CentOS 8 Linux. Verify DRBD …
What is fencing | Setup KVM cluster fencing RHEL CentOS 8
Step-by-Step Tutorial to configure cluster fencing, stonith device in RHEL and CentOS 8 Linux. Use fence_xvm to fence KVM HA Cluster nodes. Setup pacemaker …
Setup KVM HA Cluster | Pacemaker GUI | RHEL/CentOS 8
Step-by-Step Tutorial to configure KVM HA Cluster using Pacemaker GUI (WEB UI) and CLI tool in RHEL and CentOS 8 Linux. Configure Virtual Floating IP, verify …
Master the Power of Ansible Roles: Don't be a Rookie
Learn to create ansible role from scratch with examples. Ansible playbook roles can be deployed using ansible handlers, tasks, defaults, templates directory
Ansible roles directory structure overview | Beginners Guide
Overview on Ansible Roles Directory structure. Beginners guide to understand Ansible roles. Ansible Tutorial on role Structure with main.yml files
Ansible playbook tutorial | How to write a playbook with example
Ansible playbook Tutorial. What is YAML. What is Ansible Playbook. Beginners guide to write playbook with example. Sample ansible playbook to install apache
Ansible Vault Tutorial and Best Practices [Zero to Hero]
Unlock the potential of Ansible Vault for enhanced security and automation. Explore best practices, avoid pitfalls, and safeguard your sensitive data positively …
Install & configure glusterfs distributed volume RHEL/CentOS 8
Steps to install and configure glusterfs distributed volume on two cluster nodes with RHEL/CentOS 8. GlusterFS Tutorial with shared storage Red Hat/CentOS 8
#4-ELK Stack: Configure metricbeat 7.x to monitor elasticsearch cluster
Tutorial to install and configure metricbeat to monitor elasticsearch cluster in ELK Stack on RHEL/CentOS 7/8 Linux with examples over SSL/TLS (HTTPS)
#3-ELK Stack: Configure kibana 7.x with SSL/TLS encryption
Kibana Tutorial to setup, install and configure Kibana dashboard with SSL/TLS encryption over HTTPS for elasticsearch cluster with examples in Linux.