We share professional insights on cloud-native, DevOps & operations, Kubernetes, observability & monitoring, and Linux systems.
This article explains the history and evolution of Docker and Containerd, compares their architectures and functions, and discusses how Containerd operates independently within cloud‑native environments such as Kubernetes.
This article explains the challenges of microservice architectures, introduces service mesh concepts, and provides an English overview of Istio’s core components and functionalities such as traffic management, security, observability, and policy enforcement for modern cloud-native applications.
Microsoft has disclosed a critical Windows TCP/IP stack vulnerability (CVE‑2024‑38063) with a CVSS 9.8 score that enables remote code execution through specially crafted IPv6 packets, is wormable, and can spread laterally across internal networks, prompting immediate patch installation or IPv6 disabling.
This article explains why mastering Kubernetes is key to cloud computing, outlines its rapid growth and ecosystem support, and provides practical steps, design‑pattern guidance, and community resources for effectively reading and understanding the Kubernetes source code.
This article reviews five leading open‑source storage solutions for Kubernetes—OpenEBS, Rook, GlusterFS, Ceph, and LongHorn—detailing their architectures, key features, and ideal use‑cases to help readers select the most appropriate storage option for various application requirements.
This article explains how to deploy Blackbox Exporter in multiple data centers, configure Prometheus to scrape region‑specific HTTP metrics for a target website, validate the setup via queries, and add alerting rules to detect latency or downtime, providing a self‑hosted monitoring solution.
Kubewatch is an open‑source, lightweight Kubernetes event watcher that streams resource changes such as pod creation, deletion, and updates to various notification channels like Slack, Mattermost, and custom webhooks, and can be quickly installed and configured via Helm charts.
The article explains what cloud native means, outlines its four core components—containerization with dynamic orchestration, microservices, DevOps, and CI/CD—describes the advantages such as resource efficiency, rapid delivery, scalability and high availability, and discusses the learning curve, security, and operational complexities involved.
This article presents five beginner‑friendly Python projects— a number‑guessing game, a calculator, a word‑frequency counter, a simple ledger, and a chatroom—each with background, implementation steps, and complete source code to help new programmers practice core language concepts.
This article presents a collection of practical Bash scripts that automate common system administration tasks such as disk usage monitoring, MySQL backups, service health checks, temporary file cleanup, resource monitoring, user creation, and subnet IP scanning, each with clear explanations and ready-to-use code.
