DevOps

DevOps is not a title/job/profession, DevOps is a culture.
A healthy culture of organization’s Dev and Ops guys to cooperate with each other

What DevOps is not?

DevOps is not simply combining Development & Operations teams
DevOps is not a separate team
DevOps is not a product or a tool
DevOps is not automation

What DevOps is actually?

DevOps is a culture that is being followed by many huge organization.

DevOps (development and operations) is an enterprise software development culture used to mean a type of relationship between development and IT operations. The goal of DevOps is to change and improve the relationship by advocating better communication and collaboration between these two business units.

Challenges in Old Software Life Cycle Model: (described in below diagram)

From Developers point of view there were majorly two challenges:

After Development, the code deployment time was huge.
Pressure of work on old, pending and new code was high because development and deployment time was high.

On the other hand, Operations was also not completely satisfied. From Developers point of view there were majorly two challenges:

It was difficult to maintain ~100% uptime of the production
Infrastructure Automation tools were not very affective.
Number of servers to be monitored keeps on increasing with time and hence the complexity.
It was very difficult to provide feedback and diagnose issue in the product.

Phases in DevOps:

Continuous Development
Continuous Integration
Continuous Testing
Continuous Deployment
Continuous Monitoring

DEVOPS TOOLS:

Continuous Development: GIT

Continuous Integration: Jenkins

Continuous Testing using: Selenium

Configuration Management, Continuous Deployment: Puppet, Ansible and Docker

Continuously monitoring: Nagios

Certifications on DevOps Tools:

AWS Sysops/Devops Certifications: AWS Certified SysOps Administrator – Associate or AWS Certified DevOps Engineer – Professional

Puppet Certification: Puppet Certification Program

Ansible Certification : Red Hat Certificate of Expertise in Ansible Automation exam (EX407)

Docker Certified Associate (DCA) : Docker – Certification

Hope this blog inspires you to embrace change and grow. Whether you are an XPLORER or not, feel free to glance through our blogs and help us guide and support you in your voyage to success. Happy Learning!