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Jaeger v2 Distributed Tracing Deployment Guide

Deploy Jaeger v2 with a YAML config: all-in-one for labs, collector/query separation for production, OTLP receivers, sampling and storage backends.

admin 2026-10-06

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OpenObserve: Self-Hosted Logs, Metrics and Traces

Deploy OpenObserve for unified logs, metrics and traces: single-binary install, ingest endpoints, Fluent Bit shipping, Prometheus remote_write and ret

admin 2026-10-06

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SAN NPIV and NPV: Fibre Channel Port Virtualisation

NPIV and NPV explained: how to virtualise Fibre Channel ports, cut domain IDs in large fabrics, and configure F/NP ports with real Cisco MDS commands.

admin 2026-10-06

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Data Centre Rack Power and Cooling Capacity Planning

Plan rack power and cooling capacity: kW per rack tiers, PUE, A/B feed sizing, BTU conversion and the numbers to collect before adding AI or GPU hardw

admin 2026-10-06

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DNSSEC ZSK and KSK Key Rollover with BIND 9

Roll DNSSEC keys safely in BIND 9: dnssec-policy, ZSK pre-publish versus KSK double-KSK strategies, rndc dnssec status checks and DS submission steps.

admin 2026-10-06

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TCP BBR Congestion Control: Enable and Tune on Linux

Enable TCP BBR on Linux and tune the knobs that matter: congestion control, fq qdisc, window scaling and buffer sizing for high-latency links.

admin 2026-10-06

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LVS/IPVS Load Balancing with keepalived: NAT vs DR

Compare LVS NAT and Direct Routing modes, configure IPVS with ipvsadm and keepalived health checks, and verify connection distribution before going li

admin 2026-10-06

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Proxmox VE SDN: Zones, VNets and VXLAN Overlays

Set up Proxmox VE SDN with VLAN, VXLAN and EVPN zones: create VNets and subnets, apply the configuration cluster-wide, and verify the generated bridge

admin 2026-10-06

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SR-IOV VF Passthrough with VFIO on KVM and Proxmox

Step-by-step SR-IOV setup: verify PF capability, enable IOMMU, create VFs, bind with VFIO and pass virtual functions to KVM guests at near-native spee

admin 2026-10-06

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DPDK Hugepages and NUMA Memory Tuning

How DPDK uses 2M and 1G hugepages, why NUMA locality decides throughput, and the kernel and EAL settings that keep packet buffers on the right socket.

admin 2026-10-06

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