What is DevOps and compare with SRE and DevSecOps?

1. What is DevOps in simple terms?

DevOps is combination of practices, tools that increases an organization ability to deliver applications and services at high velocity.

or

DevOps is the combination of cultural philosophies, practices, and tools that increases an organization’s ability to deliver applications and services at high velocity

1. What exactly do DevOps do?

It is all about automation of processes.

1. What are the list of DevOps Tools?

Automation, Optimizing release cycles, Monitoring and reporting, Security.

Automation tools (e.g Jenkins, Bamboo),

Source code management (e.g Git, Github, Bitbucket)

Containerization software (E.g.: Docker, Kubernetes),

Configuration management (E.g.: Puppet Enterprise, Ansible, Chef),

Monitoring software (E.g.: Nagios, Splunk),

Project management solutions (E.g.: Jira, Trello).

1. How DevOps and SRE are different?

DevOps is going to automate deployment. SRE is going to automate redundancy, and they’re going to automate manual tasks that they can turn into programmatic tasks to keep the stack up and running.

1. What is DevSecOps?

DevSecOps is a software Development approach that put security management into perspective during the development process. It is a combination of 3 teams – Development, Security, and Operation.