def clone_from(source)
      raise ContainerError, "Container already exists." if exists?

      unless LXC.container(source).exists?
        raise ContainerError, "Source container does not exist."
      end

      run("clone", "-o", source)
      exists?
    end
def clone_from(source)
      raise ContainerError, "Container already exists." if exists?

      unless LXC.container(source).exists?
        raise ContainerError, "Source container does not exist."
      end

      run("clone", "-o", source)
      exists?
    end
Create a new container from an existing container
 @param [String] source name of existing container
 @return [Boolean]