🌐 Networking Basics

Basic commands for checking network status.

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🔧 IP & Interfaces

ip a

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🔧 Routing Table

ip r

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🔧 Connectivity

ping 8.8.8.8
ping google.com

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🔧 Ports

ss -tulpn

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🚨 Tips

• If DNS fails but ping IP works → DNS issue
• If nothing works → network or firewall issue