Focused on sharing practical Linux technology content, covering Linux fundamentals, applications, tools, as well as databases, operating systems, network security, and other technical knowledge.
The article walks through a systematic investigation of Linux packet loss using hping3, netstat, ethtool, tc, iptables, and tcpdump, identifies causes at the link, network, transport, and firewall layers, and demonstrates how adjusting netem rules, MTU, and iptables restores reliable connectivity.
The article examines why IPv6 adoption remains sluggish despite its technical advantages, detailing factors such as IPv4 legacy solutions, compatibility challenges, migration costs, ISP readiness, and proposes six strategies—including highlighting technical and financial benefits, native IPv6 stacks, ISP support, government action, stakeholder collaboration, and thorough testing—to accelerate uptake.
This article explains Docker’s client‑server architecture, common command‑line tools, the underlying Linux technologies (namespaces, cgroups, UnionFS) that enable containers, compares containers with traditional virtual machines, and details Docker’s networking modes and image layering.
This article explains the Linux ls command in depth, covering twenty useful options—from basic listings and long format to sorting, recursive traversal, and displaying hidden files—complete with command examples, output screenshots, and tips for mastering file and directory inspection.
This guide provides a concise overview of Linux fundamentals, covering the OS history, popular distributions, essential keyboard shortcuts, and a comprehensive set of commands for file, disk, network, and system management, each illustrated with syntax and practical examples.
This article reviews ten open‑source Linux network monitoring utilities—iftop, vnstat, iptraf, Monitorix, dstat, bwm‑ng, ibmonitor, htop, arpwatch, and Wireshark—explaining their features, typical use cases, and how they help administrators keep the network under control via the terminal.
The article compiles several Zhihu contributors' explanations for why Linux dominates server environments, covering early Windows/IIS dominance, ecosystem growth, performance and cost advantages, container support, and historical shifts in the industry.
This article introduces fifteen Linux utilities—including FSlint, TestDisk, TrueCrypt, BleachBit, and Wine—detailing their core functions such as duplicate file cleaning, data recovery, disk encryption, system cleanup, and Windows application compatibility, helping users appear more proficient in a professional environment.
This article provides a comprehensive guide to essential Linux performance and observability commands—such as vmstat, iostat, dstat, iotop, pidstat, top/htop, mpstat, netstat, ps, strace, uptime, lsof, perf, and sar—explaining their purpose, typical usage syntax, and how to interpret their output for effective system monitoring and tuning.
This guide walks through the Linux ls command, explaining its basic behavior and demonstrating 20 useful options—including long listing, human‑readable sizes, sorting, hidden files, recursive listing, and version display—so readers can list files and directories more effectively.
