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Started the service, journalctl logs do not show anything. What to do?

How is the CI/CD process organized at your last place of work?

Tell about your experience and your last place of work.

What is the difference between EXPLAIN and EXPLAIN ANALYZE?

Access rights in Linux (chmod). What do the numbers mean?

The virtual machine is slow. How to diagnose?

Main Kubernetes controllers. What are they?

Probes in Kubernetes: liveness, readiness, startup. What are they for and how do they differ?

What is the difference between CMD and ENTRYPOINT?

What is VACUUM in PostgreSQL and why is it needed?

How to determine what exactly is the problem with the disk? What tools to use?

How did the PostgreSQL cluster work, and what did you do to optimize its performance?