Repos-que-me-gustan/devops-exercises
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Also moved jenkins pipeline writing questions to scenarios section.
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# DevOps Interview Questions
<p align="center">"<i>DevOps is not a goal, but a never-ending process of continual improvement.</i>" - Jez Humble</p>
****
:information_source: &nbsp;This repository contains interview questions on various DevOps related topics
:bar_chart: &nbsp;There are currently **172** interview questions
:bar_chart: &nbsp;There are currently **170** interview questions
:warning: &nbsp;Some answers might be only partial and shouldn't be used as they are in interviews
:exclamation: &nbsp;You don't need to know how to answer all the questions here. DevOps is not about specific set of tools or technologies.
:exclamation: &nbsp;Some questions are very specific and will be asked only if you are interviewing to a specialized role (e.g. Ansible Expert)
:pencil: &nbsp;You can add more questions & answers by submitting pull requests :)
****
@ -78,10 +79,6 @@ Each piece of code (change/patch) is verified, to make the change is safe to mer
<summary>What are the anti-patterns of DevOps?</summary><br><b>
</b></details>
<details>
<summary>Which DevOps tools you consider as top tools? Which tools have you worked with?</summary><br><b>
</b></details>
<details>
<summary>What systems and/or tools are you using for the following?:
@ -128,10 +125,6 @@ You may use one or all of the following:
<summary>What scripting language are you familiar with? why specifically this one?</summary><br><b>
</b></details>
<details>
<summary>Describe some of the scripts you have written. What are they used for? how long did it take you to write them?</summary><br><b>
</b></details>
<details>
<summary>How long do you think it would take you to learn another language?</summary><br><b>
</b></details>
@ -210,8 +203,7 @@ This situation might lead to bugs which hard to identify and reproduce.
<summary>In what scenarios would you prefer to use SQL?</summary><br><b>
* Homogeneous data, no changes anticipated
* ACID compliance is important to you
* ACID compliance is important
</b></details>
<details>
@ -236,14 +228,7 @@ This situation might lead to bugs which hard to identify and reproduce.
</b></details>
<details>
<summary>What plugins are you using in Jenkins? Which do you consider to most useful?</summary><br><b>
</b></details>
<details>
<summary>Installation questions</summary><br><b>
* How to install Jenkins?
* How to install a plugin?
* How to install an agent?
<summary>What plugins are you using in Jenkins? Which do you consider to be the most useful?</summary><br><b>
</b></details>
<details>
@ -262,27 +247,23 @@ This situation might lead to bugs which hard to identify and reproduce.
<summary>How to secure Jenkins?</summary><br><b>
</b></details>
##### Writing pipelines
<details>
<summary>Can you write a pipeline which will run unit tests upon git push to a certain repository?</summary><br><b>
</b></details>
<a name="jenkins-advanced"></a>
#### :star: Advanced
<details>
<summary>Write a script to remove all the jobs which include the string "REMOVE_ME"</summary><br><b>
<summary>How to acquire multiple slaves for one specific build?</summary><br><b>
</b></details>
##### Writing pipelines
<details>
<summary>There are four teams in your organization. How to prioritize the builds of each team? So the jobs of team x will always run before team y</summary><br><b>
</b></details>
<details>
<summary>Can you write a pipeline which will do to the following?:
<summary>Do you have experience with developing a Jenkins plugin? Can you describe this experience?</summary><br><b>
</b></details>
* Provision an instance (can also be a container)
* Configure the instance as Apache web server
* Deploy a web application on the provisioned instance</summary><br><b>
<details>
<summary>If you are managing a dozen of jobs, you can probably use the Jenkins UI. How do you manage the creation and deletion of hundreds of jobs every week/month?</summary><br><b>
</b></details>
@ -1121,6 +1102,10 @@ set([food for bro in x for food in bro['food']])
```
</b></details>
<details>
<summary>Explain what is GIL</summary><br><b>
</b></details>
## Prometheus
<details>
@ -1333,3 +1318,5 @@ and considerations.
* [Elasticsearch & Kibana on AWS](scenarios/elk_kibana_aws.md)
* [Ansible, Minikube and Docker](scenarios/ansible_minikube_docker.md)
* [Cloud Slack bot](scenarios/cloud_slack_bot.md)
* [Writing Jenkins Scripts](scenarios/jenkins_scripts.md)
* [Writing Jenkins Pipelines](scenarios/jenkins_pipelines.md)