We share professional insights on cloud-native, DevOps & operations, Kubernetes, observability & monitoring, and Linux systems.
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.
This article provides an in‑depth comparison of Kubernetes and OpenStack, covering their core features, typical use cases, architectural differences, installation complexity, ecosystem support, and guidance on selecting the right platform for specific cloud computing needs.
This article introduces six relatively obscure yet powerful Linux distributions—Slackware, Arch Linux, Manjaro, openSUSE, Gentoo, and Deepin—detailing their origins, design philosophies, and main features such as stability, manual configuration, rolling updates, package management, and user‑friendly interfaces.
DevOps engineers must master programming and scripting, configuration and version control, deployment across hardware and cloud, security practices, performance monitoring, network optimization, and effective communication and team management to ensure rapid, reliable software delivery.
A worldwide Windows blue‑screen outage was caused by a CrowdStrike Falcon update that introduced a bug, leading to system crashes across many industries, and the article explains the incident, its impact, a temporary fix, and the typical technical reasons behind blue‑screen errors.
This article introduces iptables, explains its core concepts such as chains, rules, and tables, demonstrates common command‑line operations for displaying, adding, deleting and modifying rules, and presents a real‑world firewall configuration example for securing jump‑servers on CentOS.
This article introduces seven leading penetration testing tools—including Kali Linux, Metasploit, Wireshark, Nmap, Burp Suite, Acunetix, and Nessus—detailing their primary features and how they help security professionals identify and mitigate vulnerabilities effectively.
