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 provides a comprehensive, illustrated guide to TCP and UDP, covering the TCP header fields, flow‑control and congestion‑control mechanisms, the three‑way handshake and four‑way termination process, as well as a side‑by‑side comparison of the two protocols.
This guide showcases ten entertaining Linux commands—rev, asciiview, sl, aafire, cmatrix, factor, oneko, boxes, xeyes, and pv—providing installation steps, example usage, and screenshots to help you explore quirky terminal utilities and add some fun to your Linux workflow.
This article walks through installing BIND, configuring the named.conf file, setting up master and slave zones, creating forward and reverse zone files, starting the named service, and verifying the setup with nslookup, including a fail‑over test to demonstrate slave activation.
This article walks through seven practical uses of the Linux find command—including name/regex searches, type filtering, timestamp, size, permission, ownership queries, and executing actions—while illustrating each with concrete examples and explaining interview‑style scenarios.
This article explains how to use rsync for fast, incremental file synchronization over LAN/WAN, covering its algorithm, supported platforms, command‑line options, SSH and daemon modes, detailed configuration parameters, and real‑time syncing with inotify‑tools.
This article provides a comprehensive overview of Linux system architecture, covering the kernel, memory and process management, virtual file system, various file system types, shell variants, directory layout, disk partitioning, mounting mechanisms, and related kernel data structures.
The article compares NeoVim and Vim, explaining that NeoVim’s more maintainable codebase, built‑in LSP support, Lua‑based plugins, parallel startup, XDG‑compliant configuration, and performance optimizations make it a preferred editor for many developers.
This article introduces Linux's core directory layout, explains the basic command syntax with examples, outlines common file‑operation commands, details file permission notation, and provides a concise overview of Vim editing shortcuts for efficient terminal work.
This article compiles a comprehensive set of technical interview questions and concise answers covering Linux kernel‑user communication, interrupt handling, memory allocation strategies, macros, endianness, cache hierarchy, process context, DMA, virtual memory translation, debugging tools, and driver initialization, aimed at candidates preparing for embedded Linux driver roles.
This article provides a comprehensive overview of U‑Boot, covering its definition, boot stages, environment variables, command system, device‑tree usage, network and storage support, security features, debugging techniques, performance tuning, platform migration steps, and a comparison with other bootloaders, all illustrated with concrete code examples and tables.
