Exit code 137: what actually killed your container
Exit code 137 means SIGKILL. The kernel OOM killer, a failed liveness probe, or an outside actor: a diagnosis path that tells the three apart, with a runnable repro.
3 August 2026 · 7 min read
Blog
Careers
Proving skills, building evidence, and getting hired on ability: practical guides for engineers whose skills have outrun their CV.
How to get a DevOps job without a degree
No CS degree? Not the blocker you think. What actually filters candidates out, the signals that substitute for credentials, and a working plan.
31 July 2026 · 8 min read
DevOps portfolio projects that actually get interviews
Most portfolio advice produces identical toy projects nobody reads. What hiring managers actually look for, five projects worth building, and how to present them.
31 July 2026 · 5 min read
Five Kubernetes troubleshooting scenarios that separate practice from theory
Practise diagnosing CrashLoopBackOff, ImagePullBackOff, Pending pods, unreachable Services and OOMKilled containers through real troubleshooting paths.
31 July 2026 · 7 min read
From support engineer to SRE: a transition plan that uses what you already know
Support engineers already have production instincts most career switchers lack. Map support experience onto SRE competencies, close the real gaps, make the move.
31 July 2026 · 5 min read
How to prove your DevOps skills without a CKA
The CKA is not the only way to show you can run Kubernetes in production. Here is what actually signals DevOps competence, and five things you can start doing this week.
18 April 2026 · 8 min read
What recruiters actually look at in a DevOps candidate profile
How DevOps and SRE profiles actually get screened: where the six seconds go, what hiring managers care about, and how to stop optimising for signals nobody reads.
18 April 2026 · 8 min read