Networking Commands on macOS Tahoe
macOS Tahoe includes a robust suite of networking utilities accessible via the Terminal. These tools allow you to troubleshoot connectivity, analyze network traffic, and manage remote connections.
Checking Connectivity
Ping
The most basic tool to check if a host is reachable.
ping google.comPress Ctrl + C to stop the ping.
Network Interfaces
IP Address
To quickly get your local IP address for the Wi-Fi interface (en0 is usually Wi-Fi on MacBooks):
ipconfig getifaddr en0Detailed Interface Config
To see detailed information about all network interfaces:
ifconfigDNS Lookup
Dig
dig (Domain Information Groper) is the standard tool for querying DNS name servers.
dig google.comNetwork Statistics
Netstat
Print network connections, routing tables, and interface statistics.
netstat -nrOpen Ports
lsof
To see which applications are listening on which ports:
sudo lsof -i -P | grep LISTENRemote Management
SSH (Secure Shell)
Log into a remote machine securely.
ssh user@remotehost.comSCP (Secure Copy)
Transfer files securely between hosts.
scp file.txt user@remotehost.com:/path/to/destination/