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This article is about how to configure interfaces in / etc/network/interfaces in Linux. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

What is Linux system Linux is a free-to-use and free-spread UNIX-like operating system, is a POSIX-based multi-user, multi-task, multi-threaded and multi-CPU operating system, using Linux can run major Unix tools, applications and network protocols.

The / etc/network/interfaces file under Linux is used to configure the network interface.

Initialize the network port Ethernet Interface

Most network interface configurations can be solved in / etc/network/interfaces. For example, configure static IP (dhcp) for network card, set routing information, configure IP mask, set default route, and so on.

PS: if you want to start the network port automatically when the system starts, you need to add an auto line, as shown in the example below.

1. Use dynamic IP addresses

Auto eth0iface eth0 inet dhcp

two。 Use a static IP address

Auto eth0iface eth0 inet static address 192.168.1.100 netmask 255.255.255.0 gateway 192.168.1.1# network 192.168.1.0# broadcast 192.168.1.255

Network and broadcast generally use default values.

3. View routing tabl

# routeKernel IP routing tableDestination Gateway Genmask Flags Metric Ref Use Ifacedefault 192.168.1.1 0.0.0.0 UG 000 eth0192.168.1.0 * 255.255.255.0 U 000 eth0# route-nKernel IP routing tableDestination Gateway Genmask Flags Metric Ref Use Iface0.0.0.0 192.168.1.1 0.0.0.0 UG 000 Eth0192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0

Route-n does not parse the name.

Thank you for reading! This is the end of the article on "how to configure the interface in Linux / etc/network/interfaces". I hope the above content can be of some help to you, so that you can learn more knowledge. if you think the article is good, you can share it for more people to see!

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