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5 articles
Target pools, URL maps, forwarding rules — Google Cloud load balancing explained from scratch. Build a regional Network Load Balancer and a global Application Load Balancer with gcloud, step by step.
read more →The final hardening layer: mandatory access control with AppArmor, audit logging with auditd, and filesystem integrity monitoring with AIDE.
read more →Three measures every public Ubuntu server needs immediately: a default-deny UFW firewall, Fail2ban brute-force protection, and automatic security updates.
read more →The second hardening pass: tuning kernel parameters with sysctl, disabling attack surface you do not use, and restricting sudo and local login policies.
read more →Harden your Ubuntu server's SSH access step by step: create and deploy an SSH key pair, add a sudo user, disable password authentication, and lock out root.
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