Rohan PurekarforRohan Purekar | SRE | Linux Nerdrohanp.hashnode.net·Feb 3, 2021What is HSTS, and what is the HSTS list?HSTS stands for HTTP Strict Transport Security. When the browser finds the HSTS header in the server response, the HSTS basically asks the browser to access the website using HTTPS on port 443. And any future attempts to access the website should be...Discussnetworking
Rohan PurekarforRohan Purekar | SRE | Linux Nerdrohanp.hashnode.net·Mar 13, 2021How do CDN edge locations serve you based on proximity?When a browser makes a DNS request for a site that is served by a CDN, the server handling the DNS request looks at the request to determine the best server to handle the request. It does a geographical lookup based on the IP of the client and respon...Discussnetworking
Rohan PurekarforRohan Purekar | SRE | Linux Nerdrohanp.hashnode.net·Jan 15, 2021What are SLIs, SLOs, and SLAs?SLIs, SLOs, and SLAs are all important terms in the world of service-level management for Site Reliability Engineers and Business teams alike. They are all interrelated, but they each have a different purpose. SLI stands for Service Level Indicator ...DiscussSite Reliability Engineering
Muhammad Shahyanforiamshayanrana.hashnode.net·Apr 2, 2023DevOps/Week3DevOps/Week3 Difference between DevOps and Site Reliability Engineering: i) DevOps aims to reduce organizational silos but SRE does not focus on this aspect. ii) SRE use software engineering techniques to automate IT operations that would normally pe...DiscussCloud Computing
Amr ElhewyforHewi's Bloghewi.hashnode.net·Feb 24, 2023Deploying a simple web server using Terraform & AWSWhat's up, everybody! Today I'm going to be doing a quick & hopefully easy walkthrough on how to deploy a simple nginx web server on AWS using terraform. It will include a proper setup for our EC2 Instance including adding all the necessary network c...Discuss·79 readsSite Reliability Engineering
Prathamesh SonpatkiforLast9 of Reliabilitylast9.hashnode.net·Feb 4, 2023Latency SLO & How to set Latency Based AlertsLatency is an indicator of how long it takes for a request to reach and return to the customer. Its measures in a unit of time and is a critical pillar in defining the Quality of a Service. As long as it is served within a specific time range, it's g...Discuss·29 readsSite Reliability Engineering
WeShapeforweshapeuk01.hashnode.net·Jan 10, 2023The Value of SRE DevOps in 2023Site reliability engineering is a discipline that governs how effectively software teams work together. Senior executives and IT managers can turn to experienced Site reliability engineers for invaluable insights into working practices and can work f...DiscussSite Reliability Engineering
Rohan PurekarforRohan Purekar | SRE | Linux Nerdrohanp.hashnode.net·Apr 11, 2022How do you decide when something is ready for production?When an SRE team is taking service to production, they take over the responsibility of managing the service and would like to clarify all operational aspects to ease the journey. In my opinion, different organizations might choose to involve the SRE ...DiscussSite Reliability Engineering
Rohan PurekarforRohan Purekar | SRE | Linux Nerdrohanp.hashnode.net·Feb 8, 2022What happens when you type www.google.com? (considering nothing is cached)Ever wondered how the browser fetches a website from the internet? With over 40 years of development, there are so many things happening in the backdrop that it might totally sound overwhelming. But here's a step-by-step description of the phases tha...DiscussSite Reliability Engineering
Rohan PurekarforRohan Purekar | SRE | Linux Nerdrohanp.hashnode.net·May 3, 2021What is BGP?BGP (Border Gateway Protocol) is a routing protocol that is used to exchange routing information between different networks on the internet. When a user tries to access a website in a browser, the request first goes to the user's local network, which...DiscussSite Reliability Engineering
Rohan PurekarforRohan Purekar | SRE | Linux Nerdrohanp.hashnode.net·Apr 15, 2021What is a StatefulSet?A stateful set is a Kubernetes object that manages a set of pods that need to maintain persistent storage. The StatefulSet ensures that each pod in the set has a unique identity and that the pods are always started in the same order. A StatefulSet i...DiscussKubernetes
Rohan PurekarforRohan Purekar | SRE | Linux Nerdrohanp.hashnode.net·Apr 8, 2021How do you ensure that a pod runs on each node?In Kubernetes, a Daemonset is a type of controller that ensures that a specific pod is running on all (or a subset of) nodes in a cluster. Daemonsets are typically used for running system-level services like logging agents, monitoring agents, or othe...DiscussKubernetes
Rohan PurekarforRohan Purekar | SRE | Linux Nerdrohanp.hashnode.net·Mar 13, 2021How do CDN edge locations serve you based on proximity?When a browser makes a DNS request for a site that is served by a CDN, the server handling the DNS request looks at the request to determine the best server to handle the request. It does a geographical lookup based on the IP of the client and respon...Discussnetworking
