linux删除eth的命令

在Linux系统中，要删除一个网络接口（如eth0），可以使用以下命令：

In Linux, to delete a network interface (e.g. eth0), the following commands can be used:

1. ifconfig命令
ifconfig命令用于配置网络接口，也可以用来删除接口。要删除一个接口，可以使用下面的命令：
“`shell
sudo ifconfig eth0 down
“`
这个命令会将eth0接口关闭，但是并不会永久删除接口，下次系统启动时会重新启用。

Ifconfig command
ifconfig command is used to configure the network interface, or to remove the interface. To delete an interface, the following commands may be used:
& #8220; `shell
ifsub ifconfig eth0 down
#8220; `
command will close the eth0 interface but will not permanently delete the interface, which will be restarted at the next system start.

2. ip命令
ip命令是新一代Linux网络配置工具，使用更广泛。要删除一个接口，可以使用下面的命令：
“`shell
sudo ip link delete eth0
“`
这个命令会立即删除eth0接口，并且在系统重启时也不会自动恢复。

The ip command
ip command is a new generation Linux network configuration tool, which is more widely used. To delete an interface, the following commands can be used:
#8220; `shell
sudo ip link delete eth0
#8220; `
command will immediately delete the eth0 interface and will not be automatically restored when the system is restarted.

3. ifdown命令
ifdown命令用于关闭网络接口。要删除一个接口，可以使用下面的命令：
“`shell
sudo ifdown eth0
“`
这个命令会关闭eth0接口，并且在系统重启时也不会自动恢复。

Ifdown command
ifdown command is used to close the network interface. To delete an interface, the following commands may be used:
#8220; `shell

4. udev规则
除了以上命令，还可以通过udev规则来删除接口。udev是Linux内核用于设备管理的子系统，通过编写udev规则可以对设备进行自定义操作。要删除一个接口，可以创建一个udev规则文件，命名为`/etc/udev/rules.d/70-persistent-net.rules`，并将需要删除的接口的规则删除。然后重启系统或执行以下命令使规则生效：
“`shell
sudo udevadm control –reload-rules
“`
注意：删除udev规则文件中的规则可能会导致其他接口重命名，所以在操作前要慎重考虑。

The udev rule
may, in addition to the above command, delete the interface through the udev rule. The udev is a subsystem of the Linux inner core for equipment management that can be custom-defined by preparing the udev rule. To delete an interface, an udev rule file can be created, named `/etc/udev/rules.d/70-persistent-net.rules', and remove the rules of the interfaces that need to be deleted.
& #8220; `shell
sudo addevm control & #8211; reload-rules
#8220;
Note that the deletion of the rules in the udev rule document may lead to the renaming of other interfaces, so that the rules need to be carefully considered prior to operation.

无论使用哪种方法删除接口，在做出改变之前，请确保您清楚自己的操作，以免误操作导致网络连接问题。

Whatever method is used to delete the interface, make sure that you are aware of your own operation before making a change, so that it does not cause network connectivity problems.

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