# Site Reliability Engineer (SRE) Interview Preparation Guide This repository is an attempt to consolidate useful resources for Site Reliability Engineer (SRE) interview preparation. ## Basics - [ ] Simple: [What happens when you type in ‘www.cnn.com’ in your browser?](https://syedali.net/2013/08/18/what-happens-when-you-type-in-www-cnn-com-in-your-browser) - [ ] Detailed: [What happens when you type google.com into your browser's address box and press enter?](https://github.com/alex/what-happens-when) ## Linux ### Boot Process - [ ] [An introduction to the Linux boot and startup processes](https://opensource.com/article/17/2/linux-boot-and-startup) - [ ] [What happens when we turn on computer?](https://www.cdn.geeksforgeeks.org/what-happens-when-we-turn-on-computer) - [ ] [What happens when we turn on computer?](https://leetcode.com/discuss/interview-question/125107/What-happens-when-we-turn-on-computer) - [ ] [From Power up to login prompt](http://www.scott-a-s.com/files/linux_boot.pdf) ### Filesystem - [ ] [Understanding Inodes](https://syedali.net/2015/02/08/understanding-inodes) - [ ] [Understand UNIX / Linux Inodes Basics with Examples](https://www.thegeekstuff.com/2012/01/linux-inodes) - [ ] [Understanding proc filesystem](https://syedali.net/2013/08/20/understanding-proc-filesystem) - [ ] [Common Mount Options](https://syedali.net/2015/01/06/common-mount-options) - [ ] [Understanding Linux filesystems: ext4 and beyond](https://opensource.com/article/18/4/ext4-filesystem) ### Kernel - [ ] [Explain the basics of Linux kernel](http://learnlinuxconcepts.blogspot.com/2014/03/explain-basics-of-linux-kernel.html) - [ ] [Kernel Space and User Space](http://learnlinuxconcepts.blogspot.com/2014/02/kernel-space-and-user-space.html) - [ ] [Linux Kernel Process Management](http://learnlinuxconcepts.blogspot.com/2014/03/process-management.html) - [ ] [Linux Addressing](http://learnlinuxconcepts.blogspot.com/2014/02/linux-addressing.html) - [ ] [Linux Kernel Memory Management](http://learnlinuxconcepts.blogspot.com/2014/02/linux-memory-management.html) - [ ] [STACK AND HEAP](http://learnlinuxconcepts.blogspot.com/2014/02/stack-and-heap.html) - [ ] [Paging and Segmentation](http://learnlinuxconcepts.blogspot.com/2014/02/paging-and-segmentation.html) - [ ] [Linux Kernel System Calls](http://learnlinuxconcepts.blogspot.com/2014/02/system-calls.html) - [ ] [The Virtual Filesystem](http://learnlinuxconcepts.blogspot.com/2014/10/the-virtual-filesystem.html) - [ ] [Concurrency and Race Conditions](http://learnlinuxconcepts.blogspot.com/2014/07/concurrency-and-race-conditions.html) - [ ] [Memory Leak](https://stackoverflow.com/questions/312069/the-best-memory-leak-definition) - [ ] [What is a kernel Panic?](http://learnlinuxconcepts.blogspot.com/2014/07/what-is-kernel-panic.html) ### Troubleshooting - [ ] [Linux troubleshooting tools](https://syedali.net/2013/08/20/linux-troubleshooting-tools) - [ ] [Linux Performance Analysis in 60,000 Milliseconds](https://medium.com/netflix-techblog/linux-performance-analysis-in-60-000-milliseconds-accc10403c55) ## Networking - [ ] [Network protocols for anyone who knows a programming language](https://www.destroyallsoftware.com/compendium/network-protocols?share_key=97d3ba4c24d21147) - [ ] [Introduction to Linux interfaces for virtual networking](https://developers.redhat.com/blog/2018/10/22/introduction-to-linux-interfaces-for-virtual-networking) - [ ] [Multi-tier load-balancing with Linux](https://vincent.bernat.ch/en/blog/2018-multi-tier-loadbalancer) - [ ] [Introduction to modern network load balancing and proxying](https://blog.envoyproxy.io/introduction-to-modern-network-load-balancing-and-proxying-a57f6ff80236) - [ ] [Load Balancing Algorithms](https://syedali.net/2013/08/22/load-balancing-algorithms) ## Containers - [ ] [Introduction to Docker and Containers](http://container.training/intro-selfpaced.yml.html) - [ ] [Containers Patterns](https://l0rd.github.io/containerspatterns) - [ ] [Docker Container Anti Patterns](https://blog.couchbase.com/docker-container-anti-patterns/) - [ ] [Anti-Patterns When Building Container Images](https://jpetazzo.github.io/2021/11/30/docker-build-container-images-antipatterns) ## Kubernetes - [ ] [Deploying and Scaling Microservices with Docker and Kubernetes](http://container.training/kube-selfpaced.yml.html) - [ ] [What happens when ... Kubernetes edition!](https://github.com/jamiehannaford/what-happens-when-k8s/blob/master/README.md) - [ ] [Kubernetes Production Patterns](https://github.com/gravitational/workshop/blob/master/k8sprod.md) - [ ] [Kubernetes production best practices](https://learnk8s.io/production-best-practices) - [ ] [A Guide to the Kubernetes Networking Model](https://sookocheff.com/post/kubernetes/understanding-kubernetes-networking-model) - [ ] [47 Things To Become a Kubernetes Expert](https://ymmt2005.hatenablog.com/entry/k8s-things) - [ ] [Kubernetes Best Practices 101](https://github.com/diegolnasc/kubernetes-best-practices) ## Infrastructure as code / Configuration management - [ ] [Terraform](https://learn.hashicorp.com/terraform) - [ ] [Ansible](https://github.com/leucos/ansible-tuto) ## Databases - [ ] [Understanding Database Sharding](https://www.digitalocean.com/community/tutorials/understanding-database-sharding) - [ ] [Data Replication in DBMS](https://www.geeksforgeeks.org/data-replication-in-dbms) - [ ] [Evolutionary Database Design](https://martinfowler.com/articles/evodb.html) ## CI/CD - [ ] [7 Pipeline Design Patterns for Continuous Delivery](https://www.singlestoneconsulting.com/blog/7-pipeline-design-patterns-for-continuous-delivery) - [ ] [CI/CD patterns](https://continuousdelivery.com/implementing/patterns) - [ ] [Six Strategies for Application Deployment](https://thenewstack.io/deployment-strategies) ## Clouds - [ ] [The Open Guide to Amazon Web Services](https://github.com/open-guides/og-aws) - [ ] [Learning Azure](https://docs.microsoft.com/en-us/learn/azure/) - [ ] [Hands-On Training with GCP](https://cloud.google.com/training/badges) ## Programming ### Python - [ ] [Python Basics](https://pythonbasics.org/) - [ ] [Python For Everyone](https://www.py4e.com/) ### Go (Golang) - [ ] [A tour of Go](https://tour.golang.org) - [ ] [Go by Example](https://gobyexample.com) - [ ] [Learn Go with Tests](https://quii.gitbook.io/learn-go-with-tests/) - [ ] [Getting up and running with Go](http://www.golangprograms.com) - [ ] [Effective Go](https://golang.org/doc/effective_go.html) - [ ] [Go Design Patterns](https://github.com/tmrts/go-patterns) - [ ] [Go Memory Management](https://povilasv.me/go-memory-management) ### Big O Notation, Algorithms and Data Structures - [ ] [AlgoExperts](https://www.algoexpert.io) - [ ] [Hacking a Google Interview – Handout 1](http://courses.csail.mit.edu/iap/interview/Hacking_a_Google_Interview_Handout_1.pdf) - [ ] [Hacking a Google Interview – Handout 2](http://courses.csail.mit.edu/iap/interview/Hacking_a_Google_Interview_Handout_2.pdf) - [ ] [Hacking a Google Interview – Handout 3](http://courses.csail.mit.edu/iap/interview/Hacking_a_Google_Interview_Handout_3.pdf) ## System design - [ ] [SystemsExpert course from AlgoExpert](https://www.algoexpert.io/se/product) - [ ] [Grokking the System Design Interview](https://www.educative.io/collection/5668639101419520/5649050225344512) - [ ] [The System Design Primer](https://github.com/donnemartin/system-design-primer) - [ ] [Crack the System Design Interview](https://www.puncsky.com/blog/2016/02/14/crack-the-system-design-interview) - [ ] [System design interview for IT companies](https://github.com/checkcheckzz/system-design-interview) - [ ] [Web Architecture 101](https://medium.com/storyblocks-engineering/web-architecture-101-a3224e126947) - [ ] [What's in a Production Web Application?](https://web.archive.org/web/20210106095747/http://stephenmann.io/post/whats-in-a-production-web-application) - [ ] [Distributed systems](http://book.mixu.net/distsys/single-page.html) ### System design examples - [ ] [Designing WhatsApp](http://highscalability.com/blog/2022/1/3/designing-whatsapp.html) - [ ] [Designing Uber](http://highscalability.com/blog/2022/1/25/designing-uber.html) - [ ] [Designing Tinder](http://highscalability.com/blog/2022/1/17/designing-tinder.html) - [ ] [Designing Instagram](http://highscalability.com/blog/2022/1/11/designing-instagram.html) - [ ] [Designing Netflix](http://highscalability.com/blog/2021/12/13/designing-netflix.html) ## Monitoring - [ ] [SLOs & You: A Guide To Service Level Objectives](https://www.circonus.com/2018/07/a-guide-to-service-level-objectives) - [ ] [Setting up Service Monitoring — The Why’s and What’s](https://amitosh.medium.com/the-whys-and-what-s-of-setting-up-service-monitoring-cc1c165ee088) ## Processes - [ ] [Incident Response](https://response.pagerduty.com) - [ ] [Postmortems](https://postmortems.pagerduty.com) - [ ] [Runbooks](https://www.transposit.com/blog/2019.11.14-what-makes-a-good-runbook) - [ ] [Identifying and tracking toil using SRE principles](https://cloud.google.com/blog/products/management-tools/identifying-and-tracking-toil-using-sre-principles) - [ ] [Building SRE from Scratch](https://medium.com/ibm-garage/building-sre-from-scratch-485e23985bbd) - [ ] [SRE at Google: Our complete list of CRE life lessons](https://cloud.google.com/blog/products/devops-sre/sre-at-google-our-complete-list-of-cre-life-lessons) - [ ] [Incident Management vs. Incident Response - What's the Difference?](https://rootly.io/blog/incident-management-vs-incident-response-what-s-the-difference) - [ ] [Practical Guide to SRE: Using SLOs to Increase Reliability](https://rootly.io/blog/practical-guide-to-sre-using-slos-to-increase-reliability) - [ ] [Practical Guide to SRE: Automating On-Call](https://rootly.io/blog/practical-guide-to-sre-automating-on-call) ## Resume - [ ] [SRE Complete Resume Writing Guide](https://rootly.com/blog/sre-complete-resume-writing-guide) ## Interview ### SRE interview process - [ ] [How to hire talent](https://syedali.net/2014/04/01/how-to-hire-talent) - [ ] [Recruitment process for a Google job (SRE, Site Reliability Engineer)](http://lambda-startup.com/recruitment-process-for-a-google-job-sre-site-reliability-engineer) ### Interview Questions - [ ] [A collection of questions to practice with for SRE interviews](https://github.com/michael-kehoe/sre-interview) - [ ] [SRE Interview Questions](https://syedali.net/engineer-interview-questions) - [ ] [Sysadmin Test Questions](https://github.com/trimstray/test-your-sysadmin-skills) - [ ] [Kubernetes job interview questions](https://enterprisersproject.com/article/2019/2/kubernetes-job-interview-questions-how-prepare) - [ ] [DevOps Guide](https://github.com/Tikam02/DevOps-Guide) - [ ] [Questions I ask in SRE interviews](https://dev.to/logan/questions-i-ask-in-sre-interviews-a9j) - [ ] [DevOps Roadmap: Learn to become a DevOps Engineer or SRE](https://roadmap.sh/devops) ### Blogposts - [ ] [SRE Interviews in Silicon Valley](http://blog.marc-seeger.de/2015/05/01/sre-interviews-in-silicon-valley) - [ ] [Preparing the SRE interview](https://blog.balthazar-rouberol.com/preparing-the-sre-interview) - [ ] [How to Get Into SRE](https://blog.alicegoldfuss.com/how-to-get-into-sre) - [ ] [My Job Interview at Google](https://catonmat.net/my-job-interview-at-google) - [ ] [Path to Site Reliability Management](https://danrl.com/srm) - [ ] [Becoming a Site Reliability Engineer](https://www.tik.dev/blog/becoming-an-sre) - [ ] [How I get a job at Google as SRE](https://fabrizio2210.medium.com/how-i-get-a-job-at-google-as-sre-83d44aef7859) ## Books ### SRE books - [ ] [Site Reliability Engineering](https://sre.google/sre-book/table-of-contents) - [ ] [The Site Reliability Workbook](https://sre.google/workbook/table-of-contents) - [ ] [Seeking SRE](https://books.google.ru/books?id=tmhqDwAAQBAJ) - [ ] [Building Secure and Reliable Systems](https://sre.google/books/building-secure-reliable-systems) - [ ] [Implementing Service Level Objectives](https://learning.oreilly.com/library/view/implementing-service-level/9781492076803) ### Linux - [ ] [Linux Kernel Development (3rd Edition)](https://www.amazon.com/Linux-Kernel-Development-Robert-Love/dp/0672329468) - [ ] [UNIX and Linux System Administration Handbook (5th Edition)](https://www.amazon.com/UNIX-Linux-System-Administration-Handbook/dp/0134277554) - [ ] [Linux Pocket Guide, 3rd Edition](http://shop.oreilly.com/product/0636920040927.do) ### Networking - [ ] [TCP/IP Illustrated, Volume 1](https://www.amazon.com/TCP-Illustrated-Protocols-Addison-Wesley-Professional/dp/0321336313) ### Troubleshooting and Performance - [ ] [Systems Performance: Enterprise and the Cloud](https://www.amazon.com/Systems-Performance-Enterprise-Brendan-Gregg/dp/0133390098) - [ ] [Systems Performance, 2nd Edition](https://www.informit.com/store/systems-performance-9780136820154?ranMID=24808) ## Courses - [ ] [Site Reliability Engineering: Measuring and Managing Reliability](https://www.coursera.org/learn/site-reliability-engineering-slos) - [ ] [School of SRE](https://linkedin.github.io/school-of-sre)