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brctl:tldr:596a5
This command is used to add a network interface to a specified bridge in a Linux operating system. Here's a breakdown of each component:
-
sudo
: Thesudo
command stands for "superuser do" and allows the user to execute the following command with administrative privileges. It is often used when a command requires root user permissions. -
brctl
:brctl
is a command-line utility in Linux used for configuring Ethernet bridge connections. It allows the user to create, manage, and delete bridge interfaces. -
addif
:addif
is an option or sub-command inbrctl
that is used to add a network interface to a bridge. -
${bridge_name}
: This is a placeholder for the name of the bridge to which the network interface will be added. Replace${bridge_name}
with the actual name of the bridge. -
${interface_name}
: This is also a placeholder, representing the name of the network interface that you want to add to the bridge. Replace${interface_name}
with the actual name of the interface.
Overall, the command is used to add a network interface (${interface_name}
) to a bridge (${bridge_name}
) by using the brctl
command with the addif
option.