DevOps

How does Dockerfile understand that it needs to clear the cache after executing the 'yum update' command?

When are the switchMap and concatMap operators used in programming with RxJS?

How does Kafka record messages and how does it transmit them?

Why is it unsafe to run containers with root user privileges in Kubernetes?

What types of DNS records do you know?

What is the 'host' network type in Docker?

What types of scaling exist?

What components does a Docker image include and how do they interact?

Through what tools do you run playbooks or roles?

What are the best practices for using ADD and COPY instructions in Docker?

What is the maximum number of addresses that the RAM can interact with the processor?

How to mount a disk in the operating system?

Is it possible to describe the hierarchy structure of variables in roles in the system, and how is it organized?

How does Ansible implement configuration management — through a declarative or imperative style?

What protocols do you know?

On CentOS Linux, how do you manage ceiling (limiters)? Is it always disabled or active?

How to restrict interaction between applications running in different namespaces?

Describe your experience in creating and configuring pipelines for automation processes.

Where is the swap located and which device does it use?

What happens when you enter an address like google.com in your browser?