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Linux Networking Basics 2026: ip, ss, UFW, DNS, and Network Troubleshooting

>_ 22 Apr | 17 min | Dev Corner

🟢Beginner

Master Linux networking on Ubuntu 24.04. Covers ip command, ss for connections, UFW firewall, DNS resolution, network interfaces, static IPs, and systematic troubleshooting workflows.

By Noah Choi

Ubuntu 24.04 LTS Server Setup: 20-Step Security Checklist 2026

>_ 14 Apr | 18 min | Dev Corner

🟢Beginner

Complete Ubuntu 24.04 LTS server setup guide with 20 essential post-install steps. SSH hardening, UFW firewall, fail2ban, unattended-upgrades, swap, and sovereign server baseline. Fully tested.

By Noah Choi