Kickstarting Basic Networking Commands!

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Here are 5 basic but powerful networking commands to help you troubleshoot and analyze network connectivity:

1. netstat – View Network Connections

Displays active connections, listening ports, and routing tables.

Commands:

netstat -a  Show all connections and listening ports 
netstat -tuln  List all listening TCP/UDP ports 
netstat -r  Display the routing table
  1. tracert (Windows) / traceroute (Linux) – Trace the Route to a Host
    Helps identify the path taken to reach a destination and locate network delays.

Windows:

tracert google.com

Linux:

traceroute google.com
  1. ipconfig (Windows) / ifconfig (Linux) – Display IP Configuration
    Shows network interface details, including IP, subnet, and gateway.

Windows:

ipconfig /all

Linux:

ifconfig  (Deprecated in some distros, use ip instead) 
ip a  Modern alternative

4. ping – Check Connectivity

Tests reachability and latency to a host.

Basic Usage:

ping google.com

Advanced (Linux):

ping -c 4 google.com  Send only 4 packets 
ping -i 2 google.com  Set interval between packets (seconds)

5. nslookup – Query DNS Records

Resolves domain names to IP addresses and checks DNS records.

Usage:

nslookup google.com

Linux Alternative:

dig google.com  More detailed DNS query

You Should Know:

  • Combining Commands for Troubleshooting: 
    ping google.com && nslookup google.com
  • Checking Open Ports (Linux): 
    ss -tuln  Modern replacement for netstat
  • Flush DNS Cache (Windows): 
    ipconfig /flushdns
  • Persistent Network Stats (Linux): 
    watch -n 1 netstat -tuln  Refresh every second

What Undercode Say:

Mastering these basic networking commands is essential for IT professionals. Whether diagnosing connectivity issues, analyzing routes, or verifying DNS resolutions, these tools form the foundation of network troubleshooting. Practice them in real-world scenarios to enhance your efficiency.

Expected Output:

$ ping google.com 
PING google.com (142.250.190.46) 56(84) bytes of data. 
64 bytes from fra16s48-in-f14.1e100.net (142.250.190.46): icmp_seq=1 ttl=117 time=12.3 ms

$ nslookup google.com 
Server: 8.8.8.8 
Address: 8.8.8.853

Non-authoritative answer: 
Name: google.com 
Address: 142.250.190.46

Keep experimenting with these commands to deepen your networking expertise! 🚀

References:

Reported By: Shamseer Siddiqui – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅

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