Network Commands Cheatsheet
A quick reference for common network diagnostic commands.
Connectivity & Reachability
| Command | Description |
|---|---|
ping [host] |
Checks if a host is reachable and measures round-trip time. |
traceroute [host] |
Traces the path packets take to a network host. |
DNS Information
| Command | Description |
|---|---|
nslookup [domain] |
Queries DNS servers to find DNS details (e.g., IP address). |
dig [domain] |
A more advanced DNS lookup utility. |
File Transfer
| Command | Description |
|---|---|
wget [url] |
Downloads files from the network. |
curl -O [url] |
A versatile tool to transfer data with URLs. |
Network Configuration & Statistics
| Command | Description |
|---|---|
ifconfig |
Displays or configures network interfaces (deprecated on modern Linux). |
ip addr |
The modern replacement for ifconfig; shows IP addresses and network interface information. |
netstat -tulpn |
Shows active network connections, listening ports, and PIDs. |
ss -tulpn |
The modern replacement for netstat; shows socket statistics. |