wondershaper:tldr:36626

The command wondershaper -a ${adapter_name} -u ${512} is used to limit the bandwidth usage of a specific network adapter to 512 kilobits per second (kbps) using the wondershaper tool.

Here is a breakdown of the command:

• wondershaper: It is the name of the tool or command-line program that is being executed.
• -a ${adapter_name}: This option specifies the network adapter to which the bandwidth limit should be applied. ${adapter_name} is a placeholder that should be replaced with the actual name of the network adapter. For example, it could be "eth0" or "wlan0" depending on the system.
• -u ${512}: This option sets the upload (outgoing) bandwidth limit for the specified adapter. ${512} is a placeholder that should be replaced with the desired bandwidth limit value in kilobits per second (kbps). In this case, it is set to limit the upload speed to 512 kbps.

So, when you run this command and provide the correct network adapter name and desired bandwidth limit, the wondershaper tool will enforce the specified limit on the upload speed of that network adapter. This can be useful in scenarios where you want to control or restrict the amount of bandwidth used by a particular network interface or device on your system.