Welcome to Linux Cloud Computing Practice. We offer high-quality articles on Linux, cloud computing, DevOps, networking and related topics. Dive in and start your Linux cloud computing journey!
This article introduces six free open-source network monitoring solutions—Zabbix, Prometheus, Cacti, Grafana, OpenNMS, and Nagios—explaining their key features and how they help operations teams ensure system security and performance.
This article compiles a comprehensive collection of over two hundred interview questions covering Linux system administration, Nginx web server, MySQL databases, Redis caching, Kafka messaging, and core network security topics, providing a one‑stop resource for candidates preparing for major tech company interviews.
This article compiles 174 interview questions covering Linux system administration, container orchestration, networking, databases, security, and Kubernetes, drawn from a week of interviews with major tech companies, providing a comprehensive study guide for aspiring operations engineers.
This guide shows how to use nsenter to enter a container's network namespace for debugging, log into Kubernetes nodes via privileged pods, deploy a DaemonSet for persistent access, and compare nsenter with the newer kubectl debug temporary container approach.
A curated collection of over 1,000 interview questions covering operations engineering, Kubernetes, Linux, Docker, networking, databases, and related tools, designed to help candidates master essential concepts and prepare effectively for technical interviews.
This comprehensive guide lists 100 essential kubectl commands for diagnosing Kubernetes clusters, covering cluster information, pod and service checks, deployments, statefulsets, networking, storage, RBAC, scaling, and many other troubleshooting scenarios to help you resolve issues quickly and efficiently.
This guide introduces Ansible’s architecture, installation, core modules, command‑line usage, and advanced playbook techniques, providing step‑by‑step examples such as LAMP stack deployment and Kubernetes installation to help readers automate Linux system administration efficiently.
This guide introduces 100 commonly used Linux shell commands, covering file operations, searching, directory navigation, permissions, networking, process control, text editing, compression, package management, and more, helping IT professionals work efficiently and troubleshoot systems effectively.
This article examines a recurring Kubernetes node NotReady issue where nodes become ready for only three minutes after a kubelet restart, detailing the underlying PLEG mechanism, component interactions, and diagnostic steps to resolve the problem.
This guide introduces Docker as an open‑source container engine, explains why containers are essential for consistent environments, and walks readers through installation, core commands, image lifecycle, container management, and data volume handling, offering a comprehensive 14‑chapter resource for developers and ops engineers.
