DevOps

How exactly to restore data from a backup? What does 'database copy' mean?

Scenario: In Yandex Cloud, servers in the internal network use a NAT router to access the internet. The IP is blocked by Roskomnadzor. How to restore access?

How to solve the problem with GitLab Runner needing a large computer (48 CPU) only during the build to avoid paying for it constantly?

Scenario: AI gained access to the database and executed TRUNCATE TABLE users. How to restore the data?

Do you have experience in database cluster administration, configuring backup policies?

How exactly does traffic switching occur during an upgrade? How does the scheme with a replica and master work?

What similar activities have you done? Which of the mentioned technologies are you familiar with, and do you have good expertise?

Tell me about your experience with the observability stack Prometheus, Grafana, Loki. Provide an example of a non-standard alert.

Оцени время downtime при switchover мастера в PostgreSQL.

How to give microservices access to Telegram (blocked at the network level) without changing the code?

What to do with a lost master node after failover? Return it or recreate it?

Master node is lost (via rm -rf). What happens to the cluster and what actions are taken?

Scenario: a colleague accidentally ran 'rm -rf' on the database master node directory. What should be done?

How did you set up GitLab Runners? Share your experience working with GitLab.

How is work with secrets organized in a Kubernetes cluster?

Как делать major upgrade PostgreSQL с версии 11 до 16 на живом продакшне с минимальным downtime?