#sre-devops articles

AOAdedoyin Ogunsolaadehorizon.hashnode.devMay 26 · 2 min read

Deployment Strategies: Rolling, Blue-Green and Canary

In this article, we’ll look at some of the most common deployment strategies used in DevOps and cloud-native environments by startups and big companies When deploying a new version of an application,

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KSKoiki Shakiratuptimeandbeyond.hashnode.devApr 19 · 2 min read

DevOps Builds It. SRE Keeps It Alive.

Cloud / DevOps Career Guide The core insight Two sides of the same coin Ask ten engineers what DevOps and SRE mean, and you’ll likely receive twelve different answers. However, beneath the buzzwords l

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Hharshilharshils.hashnode.devApr 12 · 4 min read

The Pilot’s Reality: Why DevOps isn't Dying, but "Tutorial-Hell" Is

The year is 2026. The hum of the data center has been replaced by the silent, rapid-fire processing of AI agents. Imagine you are sitting in the cockpit of a high-tech jet. For years, you went to "Fli

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PNPratik N Borkarblog.pratiknborkar.comFeb 11 · 4 min read

Implementing Dual-Stack (IPv4 & IPv6) in Oracle Kubernetes Engine (OKE): Pod Networking and Traffic Flow Explained

As IPv4 exhaustion becomes increasingly real, dual-stack Kubernetes is no longer just an experiment it’s a strategic decision. Recently, I implemented and validated a dual-stack cluster in Oracle Kubernetes Engine on Oracle Cloud Infrastructure, and ...

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JAJose Alvarez R.blog.uptodeploy.comJan 28 · 3 min read

SRE Guide: Blame-Free Post-mortems – From Chaos to Systemic Resilience

The Incident Doesn't End at the "Fix" In the daily life of an SRE, the first reaction to a downtime is the "Quick Fix": restarting a pod, scaling a node, or triggering a rollback. However, an incident isn’t truly closed when the service returns to no...

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AJApurv Jaindevopsconcepts.hashnode.devJan 11 · 3 min read

Linux File System

The Linux file system is a hierarchical structure that starts from a single root directory /. Unlike Windows (which uses drives like C: or D:), Linux uses one unified directory tree. / ├── bin ├── boot ├── dev ├── etc ├── home ├── lib ├── proc ├── ro...

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SPSruthi Pallesruthipalle.hashnode.devJan 6 · 3 min read

Docker Fundamentals: Containers, Ports, and Logs

1. Running Docker Containers Docker provides flexible options for running containers, including specifying software versions and enabling interactive input/output. Specifying Software Versions (Tags): When running a container, you can specify a part...

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RGRishi garadrishis-ops.hashnode.devDec 13, 2025 · 5 min read

Why Your Docker Uploads Disappear After Every Deployment

TL;DR: Docker containers are ephemeral. If you're storing uploads inside the container filesystem, they'll vanish on every rebuild. Use volumes to persist data. Table of Contents The Problem Understanding Container Ephemeral Nature Root Cause Anal...

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ESEsli Silvaesli.hashnode.devOct 8, 2025 · 5 min read

SRE e Métricas

Compreender e implementar um conjunto robusto de métricas não é somente uma boa prática, mas uma necessidade estratégica, uma obrigação. Uma visão das métricas utilizadas, incluindo as quatro métricas clássicas do framework DORA (DevOps Research and ...

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ARAbhishek Reddy A Nmust-known-terminologies-for-sre.hashnode.devOct 8, 2025 · 2 min read

CIS Benchmarks

Center for Internet Security (CIS). CIS Benchmarks are well-defined, consensus-based best practices to securely configure operating systems, network devices, applications, and cloud services.They help organizations reduce vulnerabilities, improve sec...

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