Technical articles. No filler.
DNS propagation, TTL, parallel running — techniques ensuring zero-downtime migration. We explain the strategy in detail.
Copy files, export database, configure DNS, and test everything before the final switchover.
Migration without a plan = disaster. 6 steps: assessment, planning, testing, migration, verification, optimization. We explain each in detail.
A DDoS attack floods your server with fake requests until it stops. We explain types and how to protect your server.
UFW simplifies setup on Ubuntu. iptables gives full control. We cover both — with ready examples.
SSH, firewall, updates, SSL, permissions, logs — 20 security audit points for every server. Check your server now.
Ransomware encrypts your files and demands ransom. Backup + updates + firewall + training = effective protection. We explain the steps.
Breach happened — what do you do in the first 30 minutes? An incident response plan defines roles and steps in advance. We explain how to build one.
Password alone is not enough. 2FA adds a second layer. We explain: 2FA types, how to enable on server, and why it is mandatory.
