code: func adminCreds() (*int, *int, error) {
  	if runtime.GOOS != teleport.LinuxOS {
  		return nil, nil, nil
  	}
  	// if the user member of adm linux group,
  	// make audit log folder readable by admins
  	isAdmin, err := utils.IsGroupMember(teleport.LinuxAdminGID)
  	if err != nil {
  		return nil, nil, trace.Wrap(err)
  	}
  	if !isAdmin {
  		return nil, nil, nil
  	}
  	uid := os.Getuid()
  	gid := teleport.LinuxAdminGID
  	return &uid, &gid, nil
  }
docs: // adminCreds returns admin UID and GID settings based on the OS