What is a Headless Service and why is it used with StatefulSet?
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143
DevOps
What is the tf.state file, what does it store? What is the difference between using Remote State and storing state in a Git repository?
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140
How have you organized the storage of Terraform state in your project? What did you use as storage and why?
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140
Developers are used to deploying changes manually directly to the cluster, bypassing CI/CD. Access cannot be restricted. How to motivate switching to automated pipelines?
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139
What is multi-stage build in Docker and why is it needed?
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138
Rate yourself from junior to senior as a DevOps engineer.
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138
What is a Linux kernel module? How to load, unload, and view it?
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138
Describe in detail what happens after executing the command kubectl apply -f deployment.yaml — in what order and on which cluster components.
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133
GitLab CI/CD: three repositories (Front, Back, DB). A developer created a branch in the front — how to automatically deploy a feature stand with all three services after merging, and delete the stand?
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131
For what practical tasks can Admission Controller be used? What is the difference between Validating and Mutating webhooks?
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129
How is the fault tolerance of etcd ensured and why is an odd number of replicas needed?
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129
What additional complexities does a database create in a dynamic feature stack? What needs to be done?
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128
How to manually implement canary deployment in Kubernetes without additional tools?
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128
How does CNI (Container Network Interface) work in Kubernetes?
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127
In what order should the CI/CD pipeline stages be executed: build, unit tests, integration tests, linting, static code analysis, deployment?
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127
How many documented years of experience do you have as a DevOps?
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123
The server is very slow. What commands and what should be checked first? If you need to understand why the application does not write logs but the system is alive — where would you look?
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122
How would you set up dynamic feature-stands in GitLab? The stand is deployed on each push to a branch and removed after merge or after a certain time.
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122
How much time will it take to start a new job after receiving the offer?
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121
How to view open sockets in the system?
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120