Diagnose and fix Linux DNS, firewall, routing, and connectivity issues.
npx skills add https://github.com/AreteDriver/ai_skills --skill networking-aretedriver
Please help me install this Agent Skill. Skill: networking Source: https://github.com/AreteDriver/ai_skills/tree/main/skills/networking Command: npx skills add https://github.com/AreteDriver/ai_skills --skill networking-aretedriver
Linux administrators frequently struggle with diagnosing and resolving connectivity, DNS, firewall, and routing issues across physical, virtual, and containerized environments.
Run a quick diagnostic to verify network reachability and DNS: ping -c 3 8.8.8.8 dig example.com ss -tlnp
High-intent search queries and answers about installing and using this skill.
To troubleshoot Linux networking, verify connectivity layer by layer using standard tools like ping, dig, ss, and ip to isolate failing DNS, misrouted traffic, or blocked ports across servers and containers.
Port 443 failures often stem from blocked firewall ports, failing DNS resolution, or misrouted traffic. Inspect firewall rules and validate network reachability using ss and dig to identify the blocked connection.
Yes, you can validate DNS resolution independently by using tools like dig to query name servers directly, ensuring that domain resolution succeeds before testing broader network connectivity.
Inspect and adjust Linux firewall rules by analyzing port configurations and traffic routing to identify blocks. Use standard command-line tools to modify rules and restore network service.
Yes, this approach works across physical servers, VMs, and containers in cloud, on-prem, or hybrid environments, requiring only standard Linux networking tools without special installation.
Check listening ports on Linux by running the ss command with appropriate flags to display socket statistics, verifying if the required service is actively bound and listening.
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