June 2004
Intermediate to advanced
1056 pages
39h 58m
English
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Name
ifconfig
Synopsis
ifconfig [options] [interface address_family address parameters]
Assigns an address to a network interface and/or configure network
interface parameters. ifconfig is typically used
at boot time to define the network address of each interface on a
machine. It may be used at a later time to redefine an
interface’s address or other parameters. Without
arguments, ifconfig displays the current
configuration for a network interface. Used with a single
interface argument,
ifconfig displays that particular
interface’s current configuration.
Display Options
-
-a Display information about all configured interfaces. This is the default when no options and arguments are specified.
-
-d Display information about interfaces that are down.
-
-L Display address lifetime for IPv6 addresses.
-
-l Display all configured interfaces names only.
-
-m Display all supported media for specified interface.
-
-u Display information about interfaces that are up.
Arguments
-
interface String of the form
nameunit—for example,en0.-
address Hostname or address in “dotted-octet” notation; for example,
172.24.30.12.-
address_family Because an interface may receive transmissions in differing protocols, each of which may require separate naming schemes, you can specify the
address_familyto change the interpretation of the remaining parameters. You may specifyinet(the default; for TCP/IP) orinet6.-
dest_address Specify the address of the correspondent on the other end of a point-to-point link.
The following parameters ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.