Day 1, Fresh MacBook, 2 Hours Lost - So I Built The MacSetupDay 1 Day one at the new gig. I'm a DevOps engineer, which means I spend most of my professional life automating away other people's toil. So it was genuinely humbling when IT handed me a fresh M2 MacMay 25, 2026·6 min read
Benchmarking etcd: The Heartbeat of KubernetesWelcome to the "heartbeat" of Kubernetes. How do you benchmark and perform performance testing? Today, we focus on etcd. Etcd is the consistent and highly available key-value store used as Kubernetes' backing store for all cluster data. If etcd is sl...Jan 9, 2026·4 min read·12
Building a Production-Ready Kubernetes Performance Testing FrameworkBuilding a Kubernetes cluster is easy; proving it's production-ready is hard. How do you know if your control plane can scale? Is your storage actually delivering the IOPS promised by the vendor? To answer these questions and ensure the cluster is re...Jan 9, 2026·6 min read·17
Setting Up SAML Single Sign-On in Jira with Keycloak IDPIn the latest Jira products, including Jira Software and Jira Service Management, users can configure their own SAML/OAuth2 Identity Provider (IDP) without needing any plugins or extensions. This guide will help you configure SAML in your Jira applic...Oct 15, 2025·3 min read·48
Guide to Access S3 Storage as Local FilesystemS3 object storage offers scalable and cost-effective storage solutions but working with it directly can be challenging when your applications expect traditional filesystem access. This guide explores two powerful tools - rclone and s3fs - that bridge...Jul 10, 2025·4 min read·65
Root Me Solutions & Write-upsThis repository offers write-ups and solutions for Root Me CTF challenges, aimed at educational and ethical hacking practice. It provides step-by-step guides for various web security, application security, and digital forensics challenges. TL;DR ⚠...Jul 9, 2025·1 min read·727
Handling Zalo OA API with Python wrapperA simple API wrapper script serves as a straightforward API wrapper for the Zalo Official Account (OA), offering a user-friendly interface to efficiently manage users, access detailed user information, and facilitate message exchanges. It's perfect f...Jul 9, 2025·3 min read·166
