monitoring 归档 - 第7页 共8页 - 夜莺博客

标签：monitoring

Kafka KRaft Mode: Single-Node Setup and Operations

Kafka KRaft Mode: Single-Node Setup and Operations

Run Apache Kafka without ZooKeeper: KRaft single-node setup, broker and controller roles, topic creation, retention settings and the commands you use

admin admin 2026-09-19
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systemd Timers vs Cron: Scheduling Jobs Properly

systemd Timers vs Cron: Scheduling Jobs Properly

Replace cron with systemd timers: OnCalendar expressions, Persistent catch-up runs, journal logging, dependency handling and safe migration rules.

admin admin 2026-09-19
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Linux auditd: Rules, auditctl and ausearch Investigations

Linux auditd: Rules, auditctl and ausearch Investigations

Build auditd rules that survive production: rule ordering, keys, auditctl verification, ausearch investigation and auditd performance tuning.

admin admin 2026-09-19
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ipmitool Operations: Sensors, SEL, SOL and Power

ipmitool Operations: Sensors, SEL, SOL and Power

Use ipmitool on Linux for out-of-band server management: sensor and SDR reads, SEL review, Serial-over-LAN console access, power control and firmware

admin admin 2026-09-19
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Elasticsearch Red/Yellow: Unassigned Shards Fix

Elasticsearch Red/Yellow: Unassigned Shards Fix

Fix red and yellow Elasticsearch clusters: read cluster health, find unassigned shards, use the allocation explain API and clear the real causes.

admin admin 2026-09-15
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Zabbix SNMP Switch Monitoring with LLD

Zabbix SNMP Switch Monitoring with LLD

Monitor switches and routers in Zabbix: enable SNMPv2c/v3 on devices, use templates with low-level discovery, and build triggers that catch real fault

admin admin 2026-09-15
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Prometheus relabel_configs: Target Labels Guide

Prometheus relabel_configs: Target Labels Guide

Master Prometheus relabeling: pick the right relabel stage, use replace, keep, drop and hashmod, and debug why a target never gets scraped.

admin admin 2026-09-15
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Alertmanager Routing, Grouping and Silences That Work

Alertmanager Routing, Grouping and Silences That Work

A working Alertmanager: routing trees, group_by tuning, inhibit_rules with equal, mute timings, amtool silences, clustered peers and end-to-end verifi

admin admin 2026-09-14
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VictoriaMetrics: Single-Node vs Cluster Deployment

VictoriaMetrics: Single-Node vs Cluster Deployment

Choose between VictoriaMetrics single-node and cluster: series cardinality sizing, retention and downsampling, vmctl migration, vmbackup restore and t

admin admin 2026-09-14
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Arista EOS TAP Aggregation: Tap and Tool Ports

Arista EOS TAP Aggregation: Tap and Tool Ports

Configure Arista EOS TAP aggregation: tap and tool ports, exclusive mode, identity tags, port-channel tools, per-tool filtering and verification comma

admin admin 2026-09-14
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