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This is the System Configuration Server. Controls disks, including mounting, unmounting, ejecting, enabling permissions, and volume naming.


  • Write, read and delete defaults settings.
  • Configure the clients.
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Most options require a device name argument for example, disk0 , and some options require additional parameters. Manages virtual memory swap files. Interacts with the IP Configuration Agent of configd to manage network configuration changes.

Mac OS X Core Networking and Network Troubleshooting

Copies standard input to the pasteboard buffer. The pasteboard is used to implement GUI copy, cut, and paste operations, drag-and-drop operations, and the Cocoa Services menu. Prints the contents of the pasteboard to standard output. The combination of pbcopy and pbpaste may be an interesting tool to use in scripting. However, the system's global pasteboard can be modified by other processes at any time, which limits the tool's actual usefulness. Also translates between this and a serialized binary format, in either direction.

Changes active network location , similar to selecting a network Location from the Apple menu.

mac-network-commands-terminal · GitHub

If there are no arguments, a usage statement and a list of defined Locations or "sets" as defined in the Network System Preferences panel is printed to standard output, along with an indication of which location is currently active. Locations can be referred to by name or by integer ID. Provides control of the System Configuration framework's dynamic store.

As a quick sample run-through, invoke scutil. You will be placed at the scutil prompt. Enter open to start the session with configd , then enter list.

Change macOS user preferences via command line

Then run d. You should see a list of DNS servers and search domains configured on your system. The Mac Terminal, of course, provides direct access to the underlying OS. 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. Three critical network commands, however, potentially provide the most powerful network diagnostic and troubleshooting assistance. They are ifconfig , ipconfig and traceroute. The ifconfig command reveals critical information regarding a Mac's network interfaces, whether the network interface is a wired or wireless connection.

Use the hostname command to confirm the system's computer name.

Numerous ifconfig command options are available, and most are well beyond the scope of such an overview as is found here. Users and administrators new to the ifconfig command should begin simply by familiarizing themselves with the wealth of information the basic ifconfig command returns when entered from the OS X Terminal.


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  • ifconfig - Wikipedia?

In addition to revealing each network interface's MAC address, ifconfig reveals each network interface's active IP address, hexadecimal netmask, and media duplex status. The ifconfig command also enables assigning a specific IP address to a specific network interface.

Find Network Devices with ARP

The en1 network interface, meanwhile, serves as the wireless network interface on newer OS X systems, by default. The command can also configure network settings. However, it may be better for users and administrators familiar with the Windows ipconfig command to think of the OS X ifconfig command as the Windows' ipconfig counterpart. Apple does not recommend using the OS X ipconfig command for any purpose other than debugging and testing. To fill this gap, Apple offers a command called "airport" that is hidden deep in the system's frameworks folder at the following location:.

With the airport command you can change channels, disconnect from any Wi-Fi network, and get information on the current connection, but more importantly, you can scan for available Wi-Fi networks. Here, though, we will change to the command's parent directory and run it from there by using the following:. Once at this directory, you can run various options in the command line to look up information and make changes to the Wi-Fi connection:.

You can use both the output from the airport command and the networksetup utility to adjust properties such as connecting to a new Wi-Fi network. Have a fix?