This guide explains the powerful Linux ip command, covering its basic syntax, how to view and configure network interfaces, manage IP addresses, routes, VLANs, and ARP entries, and provides practical examples for everyday system administration tasks.
This comprehensive guide covers Linux network architecture design, VLAN planning, interface configuration for CentOS and Ubuntu, bonding, performance monitoring, tuning, firewall and intrusion detection, high‑availability setups with HAProxy and Keepalived, container and Kubernetes networking, and automation with Ansible and Prometheus, providing practical best‑practice recommendations for enterprise operations.
This article provides a comprehensive overview of the Simple Network Management Protocol (SNMP), detailing its architecture, versions, message structures, MIB hierarchy, and practical usage, including command-line tools and Java code examples for monitoring and configuring network devices efficiently.
This comprehensive tutorial explains the fundamentals of SNMP, its architecture, versions, message types, MIB structure, and practical usage—including command‑line tools and Java code examples—to help network administrators efficiently monitor and manage devices.
This guide explains the Linux ip command—its syntax, how to view and control network interfaces, configure IP addresses, manage routes, set up VLANs, and handle ARP entries—providing practical examples that enable efficient network administration and troubleshooting on Linux systems.
Learn how to configure network interfaces on CentOS 7 using NetworkManager tools like nmcli, nmtui, and nm-connection-editor, rename devices, edit configuration files, and apply changes via systemctl, covering both command‑line and graphical methods for effective Linux network management.
This guide explains the concept of Linux network bridges, how they operate at the data‑link layer, and provides step‑by‑step instructions for creating, configuring, and managing bridges using brctl, nmcli, and ip commands across various distributions, including details on STP activation and IP address setup.
The article reviews the progress of OSS‑related network‑management standards across 3GPP, ITU, TMF, ETSI and O‑RAN, outlines the upcoming 6G OSS overall vision, and highlights five key directions for integrated, automated, ESG‑aware, secure and trustworthy network management in the 6G era.
This article provides a thorough walkthrough of the nmcli command-line tool on Linux, covering installation, basic usage, managing Ethernet, Wi‑Fi, and VPN connections, advanced batch configurations, scripting automation, and useful aliases, complete with practical code examples for each scenario.
NetBird is an open‑source, WireGuard‑based network management platform that creates secure, direct encrypted tunnels between computers, devices, and servers without a central VPN, supporting cloud, on‑premise, edge and container environments, and offers quick deployment via simple installation steps on Linux and macOS.
This guide presents a concise collection of common nmcli commands for displaying, modifying, adding, and controlling network interfaces on Linux, including how to rename interfaces, set static IPs, switch to DHCP, and restart connections with clear examples.
This article introduces NVIDIA's Quantum‑2 InfiniBand solution for high‑performance computing, explains its HDR 200 Gb/s architecture, and provides a comprehensive Q&A covering cable compatibility, SuperPod networking, UFM management, PCIe bandwidth, and RDMA support for both IB and Ethernet environments.
This article introduces 50 essential Docker commands that testers must master, covering container operations, image management, networking, data management, logging, resource limits, debugging, security, and Docker Compose/Swarm/Registry functionalities.
This article explains Quality of Service (QoS) concepts, benefits, common metrics, service models, deployment strategies, and provides detailed configuration examples for Huawei, Cisco, and Juniper routers to manage network traffic effectively in enterprise networks.
This article explains the concept of network operating systems, traces their historical development, outlines core functions such as resource sharing, communication, security, and management, describes typical architectures, and introduces major examples like UNIX, Linux, NetWare, and Windows Server.
Quality of Service (QoS) allocates limited bandwidth among diverse network traffic, guaranteeing end‑to‑end performance for real‑time applications like voice and video, while explaining key metrics, service models, and practical deployment scenarios such as enterprise office, streaming, and hierarchical QoS solutions.
This article explains the Simple Network Management Protocol (SNMP), covering its three versions, system architecture—including NMS, agents, managed objects, and MIB—along with query, set, trap, and inform operations, message formats, security levels, and default UDP ports used for network management.
This article introduces the Linux kernel, explains its role as the core of the operating system, details version‑naming conventions and how to interpret kernel version strings, and outlines its main functions such as process, memory, file, device, and network management.
Facing divergent iOS and Android implementations, the WeChat Pay team built a C++‑based cross‑platform framework that consolidates payment flows, introduces a UseCase‑driven routing mechanism, refactors network requests, and enforces strict data passing, resulting in reduced code size, fewer bugs, and faster feature delivery.
The Istio 1.6 release introduces a fully migrated Istiod architecture, streamlined installation and upgrade processes, expanded observability features, native support for virtual‑machine workloads via WorkloadEntry, and several network enhancements including improved secret handling and experimental Service API support.
This article explains the challenges of separate iOS and Android implementations in WeChat Pay, describes the design and benefits of a C++ cross‑platform framework, and shows how it improves code reuse, reduces bugs, accelerates feature delivery, and enhances overall software quality.
This article introduces three Tencent TEG sessions that reveal the automated operation systems behind massive storage and CDN services, billion‑level promotional event guarantees, and intelligent DCI network management, highlighting the challenges, solutions, and speaker expertise.
PouchContainer 0.5.0 introduces lightweight, open‑source container enhancements such as CRI v1alpha2 support, dynamic env updates, improved image engine, storage plugins, network management, and extensive stability fixes, aiming to boost large‑scale data‑center resource utilization and simplify legacy workload containerization.
The article explains how the rise of the Internet of Things is driving a new wave of edge computing and SDN technologies, which together enable real‑time processing, data aggregation, reliability, and security for massive device deployments across industries.
Tencent’s social services cut two hundred million RMB in bandwidth costs by flattening traffic peaks through seven practices—disabling auto‑play, pre‑pushing hot content, compressing media, offering on‑demand quality, using segmented downloads, applying technical breakthroughs like P2P and codec optimization, and filtering illegal content—while preserving user experience.
This article explains how large internet firms evolve their IT operations from reactive fire‑fighting teams to standardized, model‑driven, automated platforms covering planning, building, management, monitoring, and process‑oriented operations across compute, storage, and network resources.
This article shares Tencent's seven practical bandwidth‑saving techniques—ranging from disabling auto‑play to intelligent pre‑push, file compression, on‑demand usage, segmented download, technical breakthroughs, and content compliance—to dramatically reduce operational costs while maintaining user experience.
This article explains the Simple Network Management Protocol (SNMP), its purpose, advantages, core components, message structure, security features of SNMPv3, basic operations, and provides a step‑by‑step guide to installing and configuring net‑snmp on a Linux system.
This article provides a comprehensive overview of the Internet of Things (IoT), covering its definition, layered architecture, rapid market growth, key application domains, data integration challenges, security concerns, and network load management, highlighting the shift from traditional IT to cloud‑enabled, sensor‑driven infrastructures.
This article introduces SNMP fundamentals, outlines the monitoring workflow, compares cacti and Nagios, and explains how Zabbix combines their strengths, covering its supported database back‑ends, core components, logical architecture, and the processes spawned by the Zabbix server.
Ensuring uninterrupted network performance is critical for multi‑level organizations, and this guide compiles twelve free network monitoring solutions—such as Fiddler, Nagios, NeDi, EasyNetMonitor, Microsoft Network Monitor, Cacti, Zenoss, PRTG, BandwidthD, Icinga, The Dude, and Total Network Monitor—detailing their key features, capabilities, and visual interfaces to help IT teams select the right tool for reliable, secure operations.
