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Linux command

ifup 命令

文本

复制后可按需替换文件名、目录或参数。

常用示例

Enable

ifup [eth0]

Example

ifup -a

说明

ifup brings up network interfaces configured in /etc/network/interfaces. It reads the interface definition and executes the appropriate commands and scripts to configure the interface, including setting IP addresses, running DHCP clients, and executing user-defined scripts. The command handles the complete interface initialization sequence, including any dependencies or prerequisites defined in the configuration file.

参数

-a, --all
Bring up all interfaces marked as auto in /etc/network/interfaces
-v, --verbose
Print verbose information
--force
Force configuration even if interface seems to be up
--no-scripts
Don't run any pre/post scripts

FAQ

What is the ifup command used for?

ifup brings up network interfaces configured in /etc/network/interfaces. It reads the interface definition and executes the appropriate commands and scripts to configure the interface, including setting IP addresses, running DHCP clients, and executing user-defined scripts. The command handles the complete interface initialization sequence, including any dependencies or prerequisites defined in the configuration file.

How do I run a basic ifup example?

Run `ifup [eth0]` in a terminal, then adjust file names, paths, flags, or remote targets for your system.

What does -a, --all do in ifup?

Bring up all interfaces marked as auto in /etc/network/interfaces