What is the command to restart the network card in Linux?

You can restart the network card in the Linux system through the following command: shut down the network card: sudo ifdown start the network card: sudo ifup <network card name>

Linux command to restart the network card

In Linux system, you can restart the network card through the following command:

<code class="shell">sudo ifdown <网卡名称> && sudo ifup <网卡名称></code>

Among them:

• <Network Card Name> Replace with the name of the network card to be restarted, such as eth0.

Detailed explanation of steps:

1. Close the network card: ifdown <Network card name> Command The specified network card will be shut down.
2. Start the network card: ifup <network card name> The command will restart the specified network card.

Example:

The following command will restart the network card eth0:

<code class="shell">sudo ifdown eth0 && sudo ifup eth0</code>

Note:

• Executing this command requires root privileges, so please use sudo.
• If the network card has been configured to start automatically, the network card will also start automatically after restarting the system.
• You can also use the service networking restart command to restart all network services, including the network card.

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