Let’s Encrypt Setup Guide: Free HTTPS for Your Domain
Get free, trusted HTTPS on your VPS with Let’s Encrypt and Certbot. Step-by-step guide covers installation, automatic renewal, troubleshooting, and production hardening.
Get free, trusted HTTPS on your VPS with Let’s Encrypt and Certbot. Step-by-step guide covers installation, automatic renewal, troubleshooting, and production hardening.
A practical comparison of WAF, firewall, and managed security with decision tables for small team infrastructure planning.
A wildcard SSL certificate secures your domain and all first-level subdomains with one certificate. But is it the right choice for your security requirements? This guide covers when wildcards make sense, when they don’t, and how to implement them properly.
Learn how to diagnose SSL expiry incidents fast and implement monitoring and ownership controls to prevent repeat outages.
Your site has SSL but browsers show ‘not fully secure’ warnings. Learn how to find and fix mixed content warnings when HTTPS pages load insecure HTTP resources.
Alert fatigue causes teams to miss real incidents. This troubleshooting guide covers the root causes — bad thresholds, missing deduplication, no severity model — with Prometheus and Alertmanager configs to cut alert volume by 90%.
A practical comparison of rsyslog vs syslog-ng for centralized VPS logging, including security, operations, and scaling trade-offs.
Production Graylog setup on Ubuntu with Docker, secure ingestion, retention strategy, and operational hardening guidance.
Canadian businesses face real legal risks when data crosses the border. PIPEDA, PHIPA, the US CLOUD Act, and why server location matters.
Step-by-step syslog-ng central logging setup on Ubuntu, including TCP ingestion, retention planning, hardening, and troubleshooting on Cloud VPS.