Tech articles
VPN Kill Switch on macOS and Windows: Firewall vs App
Configure and test a VPN kill switch on Windows and macOS, compare app controls with native filtering, and catch IPv6, DNS, and disconnect leaks.
Optimize MySQL Config for a Low-RAM VPS
Tune MySQL or MariaDB on a small VPS with a measured memory budget, conservative connection limits, slow-query evidence, and a tested configuration rollback.
Test Your VPN's No-Logs Claim With Wireshark
Capture VPN traffic safely, spot routing and DNS leaks, and organize evidence while learning why packet analysis cannot prove a provider keeps no logs.
Best VPN Protocol for Gaming: Cut Bufferbloat and Loss
Compare VPN gaming routes with repeatable latency and loss tests, identify bufferbloat under load, and tune queue management without sacrificing security.
Certbot Wildcard SSL With Let's Encrypt, Automated
Issue wildcard certificates with DNS-01, protect scoped DNS credentials, automate Certbot renewals, and verify certificate expiry on your live server.
Smart DNS vs VPN for Streaming Regional Sports
Compare Smart DNS and VPN privacy, estimate sports streaming data use, and test playback stability while respecting broadcast rights and service terms.
VPN Keeps Disconnecting on Mobile? Fix Keepalive Settings
Diagnose mobile VPN disconnects with timestamped tests, tune WireGuard and OpenVPN keepalives, and separate NAT timeouts from sleep and roaming issues.
NVMe vs SSD Hosting: Real Database Performance Tests
Benchmark NVMe and SATA hosting with repeatable database tests, separate warm-cache performance from disk waits, and choose storage using measured results.
Self-Hosted VPN on a $5 DigitalOcean or Linode Server
Build a small WireGuard VPS gateway with safe key handling, explicit forwarding and NAT, then test routing, DNS, and reboot recovery before relying on it.