[Jul 22 07:39:41.424] judgedaemon[21360]: Judge started on laptrinh [DOMjudge/5.3.2]
[Jul 22 07:39:41.428] judgedaemon[21360]: Registering judgehost on endpoint http://localhost/domjudge/api
[Jul 22 07:39:41.439] judgedaemon[21360]: error: Error while executing curl POST to url http://localhost/domjudge/api/judgehosts: couldn't connect to host
[Jul 22 08:05:24.360] judgedaemon[23100]: Judge started on laptrinh [DOMjudge/5.3.2]
[Jul 22 08:05:24.365] judgedaemon[23100]: Registering judgehost on endpoint http://ictu.olp.cachhoc.net/domjudge/api
[Jul 22 08:06:27.374] judgedaemon[23100]: error: Error while executing curl POST to url http://ictu.olp.cachhoc.net/domjudge/api/judgehosts: couldn't connect to host