LOG 归档 - 第114页共139页

Linux 运维高阶命令实战：五大场景故障排查指南

按系统监控、日志分析、进程管理、磁盘运维、网络调试五大场景拆解 top/htop、vmstat、tail/grep/awk、lsof、df/du/find、ss/tcpdump/mtr 等高阶命令的生产用法，覆盖负载飙高、日志刷屏、磁盘爆满、进程僵死、链路中断等线上高频故障排查。

admin 2026-08-24

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Dell S-Series SONiC 4.0: Basic Switch Management Setup

Configure Dell S-Series switches running Enterprise SONiC 4.0: sonic-cli, management IP with gwaddr, write memory and verification.

admin 2026-08-24

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Mellanox MLNX-OS: Back Up Switch Configuration to Server

Back up Mellanox MLNX-OS switch configuration: GUI download, BIN and text configuration files, and SCP uploads to a server for disaster recovery.

admin 2026-08-24

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NetApp ONTAP Commands: 50 Real-World Q&A for Admins

Real-world ONTAP Q&A with commands: LUN creation and mapping, SnapMirror, snapshots, space reclamation, broken disks, HA failover and AutoSupport chec

admin 2026-08-24

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Spine-Leaf Architecture: Modern Data Center Topology

Spine-leaf data center fabric explained: two-hop paths, ECMP, oversubscription math, spine sizing, VXLAN/EVPN overlays and the top cabling mistake.

admin 2026-08-24

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EVPN-VXLAN Data Center Fabric: Design Guide 2026

Design EVPN-VXLAN fabrics: leaf-spine Clos topology, eBGP underlay, symmetric vs asymmetric IRB, multi-tenancy VRFs, multihoming, MTU and multi-site D

admin 2026-08-24

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Common OTN Alarms and How to Troubleshoot Them

OTN alarms explained: anomaly, defect and failure hierarchy, LOS, LOM, OOF, BDI and FEC-EXC root causes, plus a layer-by-layer diagnostic workflow.

admin 2026-08-24

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Cisco VLAN Config and Verification: Repeatable Workflow

Repeatable Cisco VLAN workflow: plan IDs and subnets, build access ports and trunks, choose SVIs or router-on-a-stick, then verify in a fixed order.

admin 2026-08-24

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SONiC CLI Mastery: Config Commands and Show Monitoring

Master the SONiC CLI: SSH login, management IP, AAA/TACACS+, ACLs, static ARP and the show commands for uptime, reboot-cause and interfaces.

admin 2026-08-24

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Ansible Network Examples: Facts, Backups and cli_command

Official Ansible network examples: multi-vendor inventory groups, eos/ios/vyos facts collection, timestamped config backups, cli_command/cli_config pl

admin 2026-08-24

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