Focused on sharing practical Linux technology content, covering Linux fundamentals, applications, tools, as well as databases, operating systems, network security, and other technical knowledge.
This article compiles the most frequently used Linux commands for security professionals, covering file handling, text processing, permission control, system monitoring, compression, file searching, other common utilities, and command combinations, each illustrated with clear screenshots for quick reference.
This article enumerates ten widely used operations tools—Shell scripts, Git, Ansible, Prometheus, Grafana, Docker, Kubernetes, Nginx, ELK Stack, and Zabbix—detailing each tool's function, suitable scenarios, advantages, and concrete usage examples for daily sysadmin tasks.
This comprehensive guide covers Linux fundamentals, including an overview of the operating system, essential keyboard shortcuts, common file‑management commands, disk navigation, network utilities, and core system administration tools, providing beginners with everything required to start using Linux effectively.
This article explains the essential differences between servers and PCs, outlines server classifications by appearance and architecture, describes rack unit measurements, front and rear panel features, internal components such as RAID cards, and key parameters like brand, model, SN and asset numbers.
This article provides a comprehensive, categorized reference of over 600 Linux commands covering basic system information, shutdown, file and directory management, searching, mounting, disk usage, user and group handling, permissions, special attributes, compression, package management, networking, system monitoring, VIM editing, and many other essential operations for everyday Linux use.
This article reviews ten open‑source Linux network monitoring utilities—iftop, vnstat, iptraf, Monitorix, dstat, bwm‑ng, ibmonitor, htop, arpwatch, and Wireshark—detailing their features, typical use cases, installation notes, and how each helps administrators track bandwidth, connections, and potential issues via the command line.
This comprehensive tutorial walks through the Linux networking stack—from basic concepts, physical and data‑link layers, and addressing schemes to routing protocols, TCP/UDP transport mechanisms, application‑layer services like DNS and HTTP, and security fundamentals—providing clear explanations, step‑by‑step processes, formulas, and visual diagrams to help readers understand how each layer works and interacts.
Nali is a Go‑rewritten open‑source terminal tool that lets you query IPv4/IPv6 geolocation and CDN provider information offline using multiple databases, supports pipe processing and interactive mode, and can be installed from source or pre‑compiled binaries with configurable environment variables.
The article compiles several Zhihu contributors' explanations—covering historical Windows dominance, IIS limitations, cost differences, ecosystem strength, container support, and open‑source politics—to show why Linux has become the default operating system for modern servers.
Ubuntu, backed by Canonical, has become the most representative Linux distribution, widely used across desktops, servers, IoT, AI labs, and education due to its user‑friendly interface, extensive software ecosystem, and stable LTS releases, though it faces criticism for Snap packaging and commercial bloat.
