Is it a good choice to go for DevOps from a system admin What are the basic tools one should know

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Is it a good choice to go for DevOps from a system admin? What are the basic tools one should know?

As a system admin considering a shift to DevOps, is this a good career move, and what foundational tools and practices are essential to succeed? Specifically, how does experience with automation, version control, and CI/CD tools support this transition, and what skills in tools like Docker, Kubernetes, Git, and Jenkins are critical for a smooth shift? Practical examples of how these tools streamline deployment and monitoring would be very helpful to understand the added value DevOps brings over traditional system administration.
Oct 25 in DevOps Tools by Anila
• 1,910 points

recategorized 6 days ago by Anila 51 views

1 answer to this question.

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Changing one's career from System Administration to DevOps is worth considering for many reasons. First, the definition of DevOps in relation to systems management is broader, focusing on automation, shortening release cycles, and embracing a culture where developers collaborate with operations. As a System Admin, you likely have extensive experience managing servers, troubleshooting issues, and writing scripts—all of which are highly relevant to DevOps. These valuable skills, especially those related to automation, facilitate a smoother transition into the DevOps sphere.

You are expected to have competency in such key tools as:

Version Control: Git allows teams to manage changes to source code over time, keeping track of code history, enabling collaboration, and reverting to previous states if necessary.

Automation Tools: Ansible, Puppet, or Chef are used to remove the redundancy of performing constant tasks such as server configuration and application deployment, thus saving time and decreasing the prospect of human error.

Containerization: With the help of Docker, applications are simplified and placed in lightweight containers that work in the same way regardless of the application environment. This is also the initial phase of learning the benefits of microservice architecture and is a precursor to tools like Kubernetes.

Orchestration: Kubernetes or K8s is used to run applications in containers at scale, with provisions for scaling and deployment automatically managed. Although Kubernetes is a little advanced, it is very useful when building contemporary applications.

CI/CD Tools: Jenkins is a continuous integration and deployment tool that allows the creation of workflows where code is built, packaged, and deployed automatically. This reduces deployment times and enhances system robustness.

In practice, these tools improve deployment and monitoring to a great extent. For instance, it is possible to build an applications container image using Docker and shift it to a Kubernetes cluster using a program called Jenkins. This automated pipeline reduces manual intervention, therefore making updates and scaling easy and uniform. In the same way, Prometheus and Grafana are also monitoring tools that can be configured to notify you of any issues concerning the health of the systems, hence saving time that would have been used for manual checks and enabling timely actions on problems.

answered 6 days ago by Gagana
• 880 points

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