Server Storage Selection: HDD, SSD & NVMe
Storage is the hidden bottleneck of server performance. From HDD, SATA SSD and NVMe media to RAID levels and capacity planning, a complete server storage selection method.
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Storage is the hidden bottleneck of server performance. From HDD, SATA SSD and NVMe media to RAID levels and capacity planning, a complete server storage selection method.
Choosing a server region means balancing user distribution, network latency, data compliance and cost. This guide covers latency testing, a compliance checklist and availability zone planning.
Flat hierarchy, clear navigation and breadcrumbs, and sensible URL structure help Google understand and index your site faster. Based on the Google Search Central starter guide, this article gives an architecture optimization checklist.
From plaintext keys in environment files to Vault's secrets engines, dynamic credentials, short-lived leases, and encryption as a service - a practical secrets rotation roadmap.
A Requirements Traceability Matrix (RTM) links requirements, design, test cases and acceptance results so every requirement is implemented and verified — a key basis for change management and regression testing.
Good alert rules first suppress noise, then notify precisely. Based on the official Prometheus docs, this article explains PromQL rule expressions and how to design Alertmanager grouping, routing, inhibition, and silences.
Guard and manage Node.js production processes with PM2: automatic load balancing via cluster mode, boot persistence, zero-downtime reload, logging and memory monitoring.
Origin Shield adds an intermediate cache layer between the edge and your origin, consolidating origin fetches, improving cache hit ratio, and protecting the origin. This article explains multi-level cache architecture with CloudFront, Cloudflare and Fastly practices.
Use upstream for load balancing, proxy_cache for caching and limit_req for rate limiting, and terminate TLS at the reverse proxy layer. Includes deployable Nginx production configs.
Centralized log querying accelerates fault diagnosis. This article compares ELK and Grafana Loki, covering label design, LogQL queries, and turning logs into metrics in practice.
A practical guide to the three Linux firewall tools - UFW, iptables, and nftables - covering default policies, common rules, port allow-lists, and brute-force rate limiting.
Automatically issue and renew Let's Encrypt certificates with Certbot: webroot, standalone and DNS plugins for authentication, plus hooks for fully automatic renewal.