https://faultybox.com Screen DevOps and SRE candidates on live broken infrastructure. Send a link, get a plain-English report and a full command timeline. Free to try. en https://faultybox.com/blog/sre-interview-prep-plan/ https://faultybox.com/blog/sre-interview-prep-plan/ SRE interview preparation as a 4-week training plan: Linux fundamentals, Kubernetes debugging, incident scenarios, and communication - with drills for each. Sat, 05 Sep 2026 00:00:00 GMT https://faultybox.com/blog/createcontainerconfigerror-kubernetes/ https://faultybox.com/blog/createcontainerconfigerror-kubernetes/ CreateContainerConfigError decoded: every ConfigMap and Secret mistake that causes it, the exact describe events, and the fastest fix for each. Fri, 04 Sep 2026 00:00:00 GMT https://faultybox.com/blog/linux-load-average-high/ https://faultybox.com/blog/linux-load-average-high/ High load average on Linux doesn't always mean busy CPUs. What load really counts, how to split CPU from I/O wait, and a vmstat/pidstat/iostat path. Thu, 03 Sep 2026 00:00:00 GMT https://faultybox.com/blog/hackerrank-alternatives-devops-sre/ https://faultybox.com/blog/hackerrank-alternatives-devops-sre/ Honest HackerRank alternatives for DevOps and SRE hiring: what code sandboxes can't test, and which platforms put candidates on real infrastructure. Wed, 02 Sep 2026 00:00:00 GMT https://faultybox.com/blog/sre-interview-questions-scenarios/ https://faultybox.com/blog/sre-interview-questions-scenarios/ SRE interview questions built as scenarios beat trivia every time. Real prompts, what strong and weak answers look like, and how to score them fairly. Tue, 01 Sep 2026 00:00:00 GMT https://faultybox.com/blog/oomkilled-exit-code-137-kubernetes/ https://faultybox.com/blog/oomkilled-exit-code-137-kubernetes/ OOMKilled Kubernetes pods and exit code 137: how to read Last State, use kubectl top, dodge JVM container traps, and decide raise-the-limit vs fix-the-leak. Mon, 31 Aug 2026 00:00:00 GMT https://faultybox.com/blog/blast-radius-hiring-signal/ https://faultybox.com/blog/blast-radius-hiring-signal/ Blast radius is what a candidate broke or risked while fixing the fault. Why it's the most predictive hiring signal that nobody is measuring today. Sun, 30 Aug 2026 00:00:00 GMT https://faultybox.com/blog/prepare-kubernetes-troubleshooting-interview/ https://faultybox.com/blog/prepare-kubernetes-troubleshooting-interview/ Kubernetes interview preparation that actually works: what troubleshooting interviews test, a weekly practice loop, and the command fluency list to drill. Sat, 29 Aug 2026 00:00:00 GMT https://faultybox.com/blog/kubernetes-pod-status-taxonomy/ https://faultybox.com/blog/kubernetes-pod-status-taxonomy/ A field map of every Kubernetes pod status - CrashLoopBackOff, ImagePullBackOff, Pending, Error - and the first command to run for each one. Fri, 28 Aug 2026 00:00:00 GMT https://faultybox.com/blog/linux-disk-full-troubleshooting/ https://faultybox.com/blog/linux-disk-full-troubleshooting/ df says the disk is full but du can't find the files? A field guide to disk full errors on Linux: lsof +L1, deleted-but-open files, inodes, safe cleanup. Thu, 27 Aug 2026 00:00:00 GMT https://faultybox.com/blog/sadservers-vs-hackthebox-vs-faultybox/ https://faultybox.com/blog/sadservers-vs-hackthebox-vs-faultybox/ Looking for a SadServers alternative or a HackTheBox comparison? An honest look at hands-on practice platforms and graded infrastructure interviews. Wed, 26 Aug 2026 00:00:00 GMT https://faultybox.com/blog/kubernetes-interview-questions-predict-skill/ https://faultybox.com/blog/kubernetes-interview-questions-predict-skill/ Most Kubernetes interview questions test vocabulary, not skill. Here are scenario questions that predict debugging ability, with strong and weak answers. Tue, 25 Aug 2026 00:00:00 GMT https://faultybox.com/blog/fixing-imagepullbackoff-kubernetes/ https://faultybox.com/blog/fixing-imagepullbackoff-kubernetes/ Every cause of kubernetes ImagePullBackOff, ordered fastest check first: image typos, missing tags, registry auth, Docker Hub rate limits, and network failures. Mon, 24 Aug 2026 00:00:00 GMT https://faultybox.com/blog/take-home-test-is-dead/ https://faultybox.com/blog/take-home-test-is-dead/ Take-home tests were losing candidates before LLMs made them unverifiable. The alternatives to take-home tests, and why the replacement has to test the job. Wed, 19 Aug 2026 00:00:00 GMT https://faultybox.com/blog/debugging-crashloopbackoff-field-guide/ https://faultybox.com/blog/debugging-crashloopbackoff-field-guide/ What CrashLoopBackOff really means, how to read the exit code, and the 8 causes it comes from - each with the fastest diagnostic path first. Mon, 17 Aug 2026 00:00:00 GMT