LOG 归档 - 第45页共139页

Chrony NTP Server Configuration on Linux

Configure chrony as NTP client and server: chrony.conf server lines, allow, makestep, driftfile, RTC sync, verification with chronyc tracking and sour

admin 2026-09-23

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SELinux Denials: Troubleshooting with ausearch

Fix SELinux denials the right way: ausearch for AVC messages, restorecon and semanage fcontext for labels, setsebool for booleans, audit2allow as a la

admin 2026-09-23

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Linux Software RAID with mdadm: Build and Recover

Create, monitor, grow and repair Linux software RAID with mdadm: GPT setup, bitmap resync, disk replacement workflow, mdadm.conf and initramfs persist

admin 2026-09-23

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ethtool Ring Buffers and Coalescing Tuning

Tune Linux NICs with ethtool: ring sizes, interrupt coalescing, queue counts, RSS and offloads. Includes verification commands and drop-counter diagno

admin 2026-09-23

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Linux tc HTB Traffic Shaping: A Practical Guide

Shape egress bandwidth on Linux with tc HTB: root qdisc, rate and ceil classes, fq_codel leaves, u32 and fw filters, IFB ingress and rollback.

admin 2026-09-23

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Nokia SR OS MD-CLI: Model-Driven CLI Basics

Navigate Nokia SR OS MD-CLI: context tree navigation, commit workflow, compare and rollback, aliases and the YANG models behind every configuration co

admin 2026-09-23

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Cisco IOS XE EEM Applets: Event-Driven Automation

Build Cisco IOS XE EEM applets that react to syslog patterns, interface events and CLI input: event manager applet syntax, actions, variables and test

admin 2026-09-23

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ASR 9000 Power Supply Failure: PSM Troubleshooting

Diagnose ASR 9000 power supply module failures with show platform, admin show environment power and inventory, plus JOJI reseat and RMA evidence steps

admin 2026-09-23

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H3C vs Huawei Switch Commands: Comware vs VRP

H3C Comware and Huawei VRP look similar but differ where it hurts: VLAN interfaces, trunk commands, saved config and AAA. Command mapping table includ

admin 2026-09-23

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Network Config Backup with Oxidized: Setup Guide

Automate network device configuration backups with Oxidized: install, YAML config, router.db source, Git output, secrets removal and triggered backups

admin 2026-09-23

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