--- title: "A Collection of Unix Sysadmin Test Questions and Answers" publication: "StatusCode Weekly" issue: 181 published_at: "2018-08-29" canonical_url: "https://weekly.statuscode.com/issues/181" --- The latest Web operations, HTTP, and Web performance news #181 — August 29, 2018 [Read on the Web](https://webopsweekly.com/issues/181) Web Operations Weekly [![\](https://res.cloudinary.com/cpress/image/upload/w_1280,e_sharpen:60/gsloemtenhqukcot37mm.jpg)](https://github.com/trimstray/test-your-sysadmin-skills) [A Collection of Unix Sysadmin Test Questions and Answers](https://github.com/trimstray/test-your-sysadmin-skills) — Want to test your Unix sysadmin skills for an interview or just for fun? This collection of questions and answers should keep you entertained. _(Note: The quality does vary and about a quarter are “To be completed.”)._ Trimstray [An OAuth 2.0 Introduction for Beginners](https://itnext.io/an-oauth-2-0-introduction-for-beginners-6e386b19f7a9) — Goes into more depth than you’d think, complete with diagrams explaining the flows involved. Lorenzo Spyna [![\](https://copm.s3.amazonaws.com/1428a5a4.png)](https://blog.manifold.co/keep-your-cluster-secrets-up-to-date-with-manifold-kubernetes-8d483fd4cc1?utm_campaign=WebOps&utm_source=newsletter&utm_medium=sponsorship&utm_content=Aug29) [Add Services Like Logging, Mail, and Search to Kubernetes ⚡️](https://blog.manifold.co/keep-your-cluster-secrets-up-to-date-with-manifold-kubernetes-8d483fd4cc1?utm_campaign=WebOps&utm_source=newsletter&utm_medium=sponsorship&utm_content=Aug29) — Manifold’s Kubernetes integration enables simple delivery of secrets and config directly to your cluster's applications. Manifold sponsor [Amazon Lightsail Adds More Instance Sizes and Price Reductions](https://aws.amazon.com/blogs/aws/amazon-lightsail-update-more-instance-sizes-and-price-reductions/) — Amazon Lightsail is AWS’s often forgotten service that provides VPS-style access to EC2 instances and is an easy way to get started in the AWS ecosystem. Jeff Barr (AWS) ▶[The Myth of Cloud Agnosticism: A Discussion](https://www.screaminginthecloud.com/episodes/2018/8/10/episode-23-most-likely-to-be-misunderstood-the-myth-of-cloud-agnosticism) — Last week I listened to this podcast episode randomly and it was a really neat discussion about several web operations issues including cloud agnosticism and reliable data storage in the cloud. Recommended. Screaming in the Cloud podcast [Ballerina: A 'Cloud Native' Programming Language](https://ballerina.io/) — Ballerina makes it easy to create resilient services that integrate and orchestrate transactions across distributed endpoints. The New Stack [has a writeup / summary of what it entails](https://thenewstack.io/ballerina-a-programming-language-for-cloud-native-computing/). WSO2, Inc. [The Hitchhiker's Guide to AWS Step Functions](https://blog.epsagon.com/hitchhikers-guide-to-aws-step-functions) — All you need to know about AWS Step Functions, the spiritual successor to the not-so-simple-to-use Simple Workflow (SWF) service. If you have complicated or long running serverless workflows, Step Functions could help you manage them. Yan Cui 💻 Jobs [Find A WebOps Job Through Vettery](https://www.vettery.com/tech?utm_source=newsletter&utm_medium=cooper-webopsweekly&utm_term=tech&utm_content=grouped&utm_campaign=ad-77581) — Create a profile to connect with inspiring companies seeking WebOps devs. Vettery 📘 Tutorials [When to Use What: REST, GraphQL, Webhooks, and gRPC](https://nordicapis.com/when-to-use-what-rest-graphql-webhooks-grpc/) — Real world, specific use cases for REST, GraphQL, gRPC, and Webhooks to help API developers make sense of which to use for what situation. Kristopher Sandoval [A Look at Real World SSD Wearout](https://blog.okmeter.io/real-world-ssd-wearout-a3396a35c663) — Certain database setups or poor queries can put undue stress on SSDs. Pavel Trukhanov [Data-Driven Guide to Level-Up Your Engineering Team 🚀](https://www.gitprime.com/resources-data-driven-engineering-metrics/?utm_source=email-nl%28webop%29&utm_medium=nl&utm_campaign=email-nl%28webop%29) GitPrime sponsor [Using API Gateways to Facilitate Your Transition from Monolith to Microservices](https://itnext.io/using-api-gateways-to-facilitate-your-transition-from-monolith-to-microservices-c08fe3489237) Daniel Bryant [From Big Data to Micro-Services: How to Serve Spark-Trained Models Through AWS Lambdas](https://towardsdatascience.com/from-big-data-to-micro-services-how-to-serve-spark-trained-models-through-aws-lambdas-ebe129f4849c) — A quick and Pythonic way to power endpoints with pre-trained Spark models. Jacopo Tagliabue 💬 Stories & Opinions [![\](https://res.cloudinary.com/cpress/image/upload/w_1280,e_sharpen:60/sol2gtfea7eq5hvwqqhh.jpg)](https://www.theverge.com/tldr/2018/8/9/17669936/microsoft-undersea-datacenter-webcam) [Microsoft’s Undersea Data Center Now Has A Webcam](https://www.theverge.com/tldr/2018/8/9/17669936/microsoft-undersea-datacenter-webcam) — We first mentioned this curious project about a year ago and Microsoft’s experiment with underwater datacenters seems to be ongoing as you can now [watch the fish swimming around it](https://natick.research.microsoft.com/) on a webcam(!) Tom Warren [African Traffic Growth and Predictions for the Future](https://blog.cloudflare.com/african-traffic-growth-and-predictions-for-the-future/) — Internet use is growing rapidly in Africa and Cloudflare has done some analysis of Africa’s connectivity and where African sites are hosted. Louis Poinsignon [Netflix, LinkedIn and Gremlin Engineers Talk Chaos Engineering](https://thenewstack.io/netflix-linkedin-and-gremlin-engineers-talk-chaos-engineering/) The New Stack ▶[Chaos Engineering: Building Immunity in Production Systems](https://www.infoq.com/presentations/chaos-engineering-introduction) Nikhil Barthwal [VMware CEO: A Virtual Machine Is Still the Best Place to Run Kubernetes](https://thenewstack.io/vmware-ceo-a-virtual-machine-is-still-the-best-place-to-run-kubernetes/) Scott M. Fulton III (The New Stack) 🔧 Code & Tools [BuzzFeed Open Sources Its 'sso' Authentication Proxy](https://tech.buzzfeed.com/unleashing-the-a6a1a5da39d6) — It’s how they secure access to internal services at BuzzFeed and is written in Go(lang). Shraya Ramani [Announcing the AWS Amplify CLI Toolchain](https://aws.amazon.com/blogs/mobile/announcing-the-aws-amplify-cli-toolchain/) — [AWS Amplify](https://github.com/aws-amplify/amplify-js) is an open-source JavaScript library for building sophisticated cloud-powered mobile and web apps. Amazon Web Services [Bluefyre: Secure Kubernetes Applications from the Inside](https://www.bluefyre.io/WebOpsWeekly) Bluefyre sponsor [graphqurl: 'curl' for GraphQL](https://github.com/hasura/graphqurl) — With autocomplete and subscriptions support, you can use it as a CLI or a JavaScript library from your own code. Hasura [NGINX 1.15.3 Released](https://twitter.com/i/web/status/1034667448287588353) — TLSv1.3 can now be used with BoringSSL, Google’s OpenSSL fork. You can also use `keepalive_timeout` and `keepalive_requests` directives in `upstream` blocks. NGINX [Sandmap: An nmap-Powered Tool for Network and System Reconnaissance](https://github.com/trimstray/sandmap) Trimstray Curated by [Cooperpress](https://cooperpress.com/) [Change your email address](https://webopsweekly.com/edit_subscription/*|UID|*) or[Stop getting this newsletter](https://webopsweekly.com/leave/*|UID|*) © Cooper Press Ltd · Fairfield Enterprise Centre, Louth, LN11 0LS, United Kingdom