Focused, hands-on DevOps and server-side problems with hints, feedback, and automated solution checks.
A distroless pod running in the cherry namespace has no shell or debugging tools. Use kubectl debug to attach an ephemeral container, test connectivity to the request-logger service, and verify the request was received in its logs.
An ultimate Kubernetes troubleshooting challenge: can you copy files to/from a running Pod that doesn't have a shell or other command line tools installed?
Can you edit a file in a running Kubernetes pod? What if there is no shell inside and the container's user lacks the write permission?
Be a networking Sherlock Holmes - find out which port a Kubernetes app uses and send a request to it.
Learn how to send a signal to a Kubernetes app running in an unprivileged container without shell.
Learn how to send a signal to a Kubernetes app running in a container without shell.
