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 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.
#2-ELK Stack: Enable https with ssl/tls & secure elasticsearch cluster
Steps to enable HTTPS and SSL to secure elasticsearch cluster and ELK Stack using encrypted key and certificates in Linux with examples RHEL/CentOS 7/8
#1-ELK Stack: Configure elasticsearch cluster setup CentOS/RHEL 7/8
Elasticsearch Tutorial on ELk Stack to configure elasticsearch cluster in RHEL/CentOS 7/8 Linux with examples. Get cluster helath status, node types, stats
#5-ELK Stack: Configure logstash 7.x with data pipeline
Steps to install and configure logstash 7.x and send data from logstash to elasticsearch. Monitor the logs on Kibana dashboard using index pattern
How to install multi node openstack on virtualbox with packstack on CentOS
Install multi node OpenStack on VirtualBox using Packstack using CentOS 7 VM on Windows 10 laptop. Generate and configure packstack answer file for Openstack