int startde (char *path, char *username) {
  char cmd[50];
  struct passwd *user_info = getpwnam("kuglatec");
  uid_t target_uid = user_info->pw_uid;
  setuid(target_uid);
  snprintf(cmd, 60, "startx %s", path);
  printf("%s\n", cmd);
  system("whoami");
  sleep(2);
  system(cmd);
}