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How do you test operating systems in DevOps?

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Testing operating systems in DevOps is a challenging task that requires careful planning, execution, and evaluation. Operating systems are complex software systems that interact with hardware, applications, and users, and they need to meet various functional, performance, security, and usability requirements. In this article, you will learn some of the best practices and tools for testing operating systems in DevOps.

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Sachin Sant

Test Architect at IBM

1 Define your testing strategy

Before you start testing operating systems in DevOps, you need to define your testing strategy. This involves identifying the scope, objectives, criteria, and methods of your testing activities. You also need to consider the type, frequency, and level of testing you will perform, such as unit, integration, system, acceptance, or regression testing. Your testing strategy should align with your DevOps goals and principles, such as continuous delivery, automation, collaboration, and feedback.

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2 Choose your testing tools

When choosing the right testing tools for your operating system testing in DevOps, there are many factors to consider. Firstly, the tools should be compatible with the operating system you are testing, as well as the hardware, software, and network environment you are using. Secondly, they should provide the functionality needed for your testing activities such as test design, execution, analysis, reporting, and debugging. Thirdly, they should support automation of your testing processes including test creation, execution, verification, and validation. Lastly, they should integrate well with your DevOps tools and processes like version control, configuration management, deployment, monitoring, and communication.

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3 Set up your testing environment

Once you have your testing strategy and tools, you need to set up your testing environment. This is the environment where you will run your tests and collect your results. Your testing environment should be as similar as possible to your production environment, so that you can minimize the risks of errors and failures when you deploy your operating system. You should also isolate your testing environment from other environments, such as development or staging, to avoid interference and contamination. You can use virtualization, containerization, or cloud services to create and manage your testing environment.

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Sachin Sant

Test Architect at IBM
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I will call out two important aspects of the test environment setup. Variation:- Often time tweaks are required during the test environment setup. Having such a capability in the DevOps framework and pipeline helps reduce effort. Repeatable & reliable:- Reliable test environment setup with on-demand replication is the key to building an effective test DevOps model.

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4 Execute your tests

The next step is to execute your tests according to your testing strategy and plan. You should run your tests in an automated and consistent manner, using your testing tools and scripts. You should also monitor your tests and collect your results, using tools such as log analyzers, performance monitors, or test management systems. You should document your test cases, scenarios, data, and outcomes, using tools such as test case management systems, spreadsheets, or wikis.

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5 Evaluate your results

The final step is to evaluate your results and determine the quality and reliability of your operating system. You should compare your results with your expected outcomes and criteria, using tools such as test report generators, dashboards, or charts. You should also analyze your results and identify any defects, errors, or issues that affect your operating system. You should report your findings and recommendations, using tools such as bug tracking systems, feedback systems, or email. You should also communicate your results and feedback with your DevOps team and stakeholders, using tools such as chat platforms, video conferencing, or webinars.

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Sachin Sant

Test Architect at IBM
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In my experience, it is imperative to differentiate between test case code errors versus an actual OS code failure. In a DevOps environment, such differentiation allows one to focus on who should look at these failures. Feedback should be provided to the DevOps team and test case developers so that they can take corrective actions to avoid test case code errors.

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6 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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How do you test operating systems in DevOps?

1

2

3

4

5

6

1 Define your testing strategy

2 Choose your testing tools

3 Set up your testing environment

4 Execute your tests

5 Evaluate your results

6 Here’s what else to consider

Operating Systems

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How do you test operating systems in DevOps?

1

2

3

4

5

6

1 Define your testing strategy

2 Choose your testing tools

3 Set up your testing environment

4 Execute your tests

5 Evaluate your results

6 Here’s what else to consider

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