virt-xml:tldr:b5e95

This is a command that is used to edit the configuration of a virtual machine (domain) in the context of a virtualization platform like KVM (Kernel Virtual Machine). Let's break down its components:

• ${domain}: This is a placeholder for the name of the virtual machine (or domain) that you want to edit. You need to replace this placeholder with the actual name of the virtual machine.

• --edit: This option indicates that you want to edit the configuration of the specified domain.

• --${option}: This is a placeholder for the specific configuration option that you want to modify. You need to replace ${option} with the desired option. For example, it could be memory, vcpu, disk, network, etc. This will depend on the available configuration options for the virtual machine.

• ${suboption}=${new_value}: This is another placeholder that represents the suboption of the main configuration option to be modified, along with the new value. For example, if the ${option} is vcpu, then ${suboption} could be the CPU model or number of CPUs, and ${new_value} would be the desired value. Again, these placeholders need to be replaced with the actual suboption and value that you want to set.

To use this command effectively, you need to identify the specific domain, the configuration options you want to modify, and the corresponding suboptions and new values you want to set.