text: // +build !linux
  // +build !386 !amd64
  
  package config
  
  func getAuthFromKernelKeyring(registry string) (string, string, error) {
  	return "", "", ErrNotSupported
  }
  
  func deleteAuthFromKernelKeyring(registry string) error {
  	return ErrNotSupported
  }
  
  func setAuthToKernelKeyring(registry, username, password string) error {
  	return ErrNotSupported
  }
  
  func removeAllAuthFromKernelKeyring() error {
  	return ErrNotSupported
  }
  