Articles & Guides
Useful resources for web developers and system administrators
Found 30 · Infrastructure · Reset
Infrastructure
Nginx Logs Location: access.log, error.log and How to Read
Nginx logs are in /var/log/nginx/access.log and error.log by default. Find the real path with nginx -T, read the combined format, rotate with logrotate.
Infrastructure
Nginx Config Guide: nginx.conf, Server Blocks, Locations
Nginx configuration: where nginx.conf and sites-enabled live, the main, http, server and location contexts, a minimal server block, nginx -t, reload.
Infrastructure
Free Website Hosting: What Is Free and What It Really Costs
Free website hosting explained: static Git hosting, free hoster plans and cloud free tiers, what you pay with, when it is fine, and how to migrate without losses.
Infrastructure
Best VPS Providers 2026: Hetzner, Vultr and How to Verify
Best VPS providers 2026: Hetzner, DigitalOcean, Vultr, Linode, OVHcloud, Contabo, UpCloud compared on NVMe, vCPU, bandwidth, backups. How to verify.
Infrastructure
Best Web Hosting 2026: an Engineer's Rating and Checks
Best web hosting providers 2026: eight global picks — Hetzner, DigitalOcean, OVHcloud, SiteGround and more. Transparent criteria, honest downsides for every pick, and a ten-minute routine to verify TTFB, DNS and SSL before you pay.
Infrastructure
Email on Your Own Domain: Setup, Sending and Migration
How to set up email on your own domain: domain verification, MX, SPF, DKIM and DMARC, sending website mail over SMTP, and migrating providers without losing messages.
Infrastructure
How to Choose Web Hosting: Criteria, Checks and Red Flags
How to choose web hosting: shared vs VPS vs dedicated vs cloud, hidden shared-plan limits (inodes, CPU seconds), backup and SLA math in real downtime minutes, measuring TTFB before you pay, contract red flags, and a 12-point vendor-neutral checklist.
Infrastructure
Email Not Arriving: A Checklist for Senders and Recipients
Email not arriving? A step-by-step checklist for senders and recipients: Spam folder, SPF, DKIM, DMARC, MX records, blacklists, bounce codes 550, 552, 554, greylisting. Includes a symptom-cause-fix table, dig commands, and answers to common questions.
Infrastructure
How to Check If an Email Address Exists
Three levels of email verification: syntax, MX records, SMTP probe — and why a 100% check without sending is impossible. How to verify safely.
Infrastructure
Warming Up a Sending Domain
Warm up a sending domain and IP for email: a day-by-day volume schedule, gradual ramp, starting with your most engaged subscribers, and reputation monitoring.