Deep dives into Linux, Cloud, Networking, Security and DevOps from the trenches.
How I designed and deployed a full-mesh WireGuard VPN connecting 8 office locations with BGP routing and automatic failover, achieving 99.99% tunnel uptime.
A complete Ansible playbook for automating CIS Benchmark-compliant RHEL 8/9 server hardening. From SSH configuration to kernel parameters and audit rules.