DevOps

Tell us about yourself, your previous work experience, and especially your experience with AWS: which services have you worked with?

How many calls are usually made?

How to implement Terraform state locking without DynamoDB, using S3?

What does an HTTP request and response consist of? Which HTTP methods and status codes are most commonly used?

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What are the main recommendations and best practices you apply when writing Dockerfiles?

What is a Network Access Control List (NACL)?

The EC2 has a self-hosted GitHub Runner that builds Docker images for 50 repositories, and the disk is constantly filling up. How to diagnose, fix, and prevent the problem?

In a StatefulSet with three replicas in each zone, two zones, and their nodes lose network connectivity completely, how will the Kubernetes cluster and pods behave?

What is split-horizon DNS (split-brain DNS)?

How will onboarding and initial task setting be organized?

How does DNS work and what types of records are encountered?

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What happens when a computer sends a packet to another computer: how does it find out the recipient's MAC address and what changes if the recipient is in a different subnet?

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Are you clear about the salary conditions?

Are you willing to complete a short test task: deploy and configure Xray-core on a Linux server with external connection check?

Are there cases when the team misses the agreed release deadline, and how do you usually act in such situations?

Which utilities are used to search for a file by name and substring inside a file?

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Are you currently in Kazakhstan?

In which Linux file is the permanent information about mounted volumes, modes, and mount points stored? Which utilities are used to connect, disconnect, format disks, and create partitions?

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What version control systems have you worked with?

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Explain the difference between public, private, and isolated subnets in AWS.