Use the hostname command to confirm the system’s computer name. The ifconfig command reveals critical information regarding a Mac’s network interfaces, whether the network interface is a wired or wireless connection. They are ifconfig, ipconfig and traceroute. Three critical network commands, however, potentially provide the most powerful network diagnostic and troubleshooting assistance. As previously reviewed, the Mac command line helps unlock the power of the command line, enter basic directory commands, navigate the Mac shell, simplify networking and more.
The Mac Terminal, of course, provides direct access to the underlying OS. As Mac users and administrators develop greater skill and experience, however, they typically graduate to seeking specific Terminal commands to more quickly diagnose and repair network errors.
The Mac’s Systems Preferences Network applet enables configuring network settings, while the Network Utility (found within Applications\Utilities) provides a graphical interface for troubleshooting network errors. Diagnose Mac networking problems with these three commandsĮrik Eckel explains how to use three common commands to find networking issues and troubleshoot them.
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