36 articles tagged with Debugging.
The Compose failures that eat an afternoon are almost always the same six. Here's how to spot each one fast and the fix that actually sticks.
When RAG answers go sideways, the model usually isn't the problem. Here's the top-to-bottom checklist we run to find where retrieval actually breaks.
Git refuses to switch branches or pull because uncommitted edits are in the way. Here's how to move them safely, and when it's fine to throw them out.
Every crash loop leaves a number behind. Learn to read exit codes straight from kubectl describe and know the fix before you open the logs.
Git says it can't find a repo where you're standing. Nine times out of ten it's the wrong directory, a missing .git, or an ownership check.
The container starts, then dies with "exec format error." Here's why the CPU architecture is wrong, how to confirm it, and how to build images that just run.
A pod stuck in CreateContainerConfigError means kubelet can't build the container config, almost always a ConfigMap or Secret reference that doesn't line up.
Your push bounces because the remote moved on without you. Here is how to catch up cleanly, when to rebase versus merge, and when a force-push is actually safe.
Evicted pods are the kubelet telling you a node ran out of something. Here's how to read the signal, stop the bleeding, and keep it from happening again.
A pod sits Pending and the scheduler quietly logs why it rejected every node. Learn to read that one line and fix the real cause instead of guessing.
Exit 137 usually means the kernel shot your container for eating too much memory. Here's how to confirm the OOM kill and stop it happening again.
You committed too early, wrote a bad message, or included the wrong file. Here's the decision tree for undoing a Git commit safely, by what you actually want to keep.
