Docker-App installieren

Hallo zusammen,

wahrscheinlich ein Anfängerfehler:
Ich versuche über die Shell eine Docker-App zu installieren (bsp. univention-app install dudle) und bekomme folgenden Output:

[code]Going to install Dudle (1.1.0-1)
Creating data directories for dudle…
Registering UCR for dudle
Marking dudle=1.1.0-1 as installed
File: /etc/univention/service.info/services/univention-appcenter.cfg
Multifile: /etc/postgresql/9.1/main/pg_hba.conf
Setting ports for apache proxy
Multifile: /etc/apache2/sites-available/default-ssl
Multifile: /etc/apache2/sites-available/default
Creating /etc/init.d/docker-app-dudle
Adding system startup for /etc/init.d/docker-app-dudle …
/etc/rc0.d/K14docker-app-dudle -> …/init.d/docker-app-dudle
/etc/rc1.d/K14docker-app-dudle -> …/init.d/docker-app-dudle
/etc/rc6.d/K14docker-app-dudle -> …/init.d/docker-app-dudle
/etc/rc2.d/S41docker-app-dudle -> …/init.d/docker-app-dudle
/etc/rc3.d/S41docker-app-dudle -> …/init.d/docker-app-dudle
/etc/rc4.d/S41docker-app-dudle -> …/init.d/docker-app-dudle
/etc/rc5.d/S41docker-app-dudle -> …/init.d/docker-app-dudle
Adding localhost to LDAP object
Setting overview variables
File: /var/www/ucs-overview/entries.json
Script: /etc/univention/templates/scripts/ucr-l10n-fr
Reloading web server config: apache2.
Registering the container host dudle-1482329789714647 for dudle
Verifying Docker registry manifest for app image docker.software-univention.de/ucs-appbox-amd64:4.1-3
Error while contacting Docker registry server https://docker.software-univention.de/v2/ucs-appbox-amd64/manifests/4.1-3
Fehler bei der Kontaktaufnahme mit dem Docker-Registry-Server https://docker.software-univention.de/v2/ucs-appbox-amd64/manifests/4.1-3
Aborting…
Going to remove Dudle (1.1.0-1)
Removing any system startup links for /etc/init.d/docker-app-dudle …
/etc/rc0.d/K14docker-app-dudle
/etc/rc1.d/K14docker-app-dudle
/etc/rc2.d/S41docker-app-dudle
/etc/rc3.d/S41docker-app-dudle
/etc/rc4.d/S41docker-app-dudle
/etc/rc5.d/S41docker-app-dudle
/etc/rc6.d/K14docker-app-dudle
Removing localhost from LDAP object
File: /etc/univention/service.info/services/univention-appcenter.cfg
Multifile: /etc/postgresql/9.1/main/pg_hba.conf
Script: /etc/univention/templates/scripts/ucr-l10n-fr
Multifile: /etc/apache2/sites-available/default
File: /var/www/ucs-overview/entries.json
Multifile: /etc/apache2/sites-available/default-ssl
Reloading web server config: apache2.
Installing join script /var/cache/univention-appcenter/dudle_20160201.uinst
univention-run-join-scripts: runs all join scripts existing on local computer.
copyright © 2001-2016 Univention GmbH, Germany

Running 01univention-ldap-server-init.inst skipped (already executed)
Running 02univention-directory-notifier.inst skipped (already executed)
Running 03univention-directory-listener.inst skipped (already executed)
Running 04univention-ldap-client.inst skipped (already executed)
Running 05univention-bind.inst skipped (already executed)
Running 08univention-apache.inst skipped (already executed)
Running 10univention-ldap-server.inst skipped (already executed)
Running 11univention-heimdal-init.inst skipped (already executed)
Running 11univention-pam.inst skipped (already executed)
Running 15univention-directory-notifier-post.inst skipped (already executed)
Running 15univention-heimdal-kdc.inst skipped (already executed)
Running 18python-univention-directory-manager.inst skipped (already executed)
Running 20univention-directory-policy.inst skipped (already executed)
Running 20univention-join.inst skipped (already executed)
Running 26univention-nagios-common.inst skipped (already executed)
Running 30univention-appcenter.inst skipped (already executed)
Running 30univention-nagios-client.inst skipped (already executed)
Running 34univention-management-console-server.inst skipped (already executed)
Running 34univention-self-service.inst skipped (already executed)
Running 35univention-appcenter-docker.inst skipped (already executed)
Running 35univention-management-console-module-appcenter.inst skipped (already executed)
Running 35univention-management-console-module-diagnostic.inst skipped (already executed)
Running 35univention-management-console-module-ipchange.inst skipped (already executed)
Running 35univention-management-console-module-join.inst skipped (already executed)
Running 35univention-management-console-module-lib.inst skipped (already executed)
Running 35univention-management-console-module-mrtg.inst skipped (already executed)
Running 35univention-management-console-module-passwordchange.inst skipped (already executed)
Running 35univention-management-console-module-printers.inst skipped (already executed)
Running 35univention-management-console-module-quota.inst skipped (already executed)
Running 35univention-management-console-module-reboot.inst skipped (already executed)
Running 35univention-management-console-module-services.inst skipped (already executed)
Running 35univention-management-console-module-setup.inst skipped (already executed)
Running 35univention-management-console-module-sysinfo.inst skipped (already executed)
Running 35univention-management-console-module-top.inst skipped (already executed)
Running 35univention-management-console-module-ucr.inst skipped (already executed)
Running 35univention-management-console-module-udm.inst skipped (already executed)
Running 35univention-management-console-module-updater.inst skipped (already executed)
Running 35univention-nagios-cups.inst skipped (already executed)
Running 35univention-self-service-passwordreset-umc.inst skipped (already executed)
Running 36univention-management-console-module-apps.inst skipped (already executed)
Running 40univention-postgresql.inst skipped (already executed)
Running 40univention-virtual-machine-manager-schema.inst skipped (already executed)
Running 79univention-printserver.inst skipped (already executed)
Running 81univention-nfs-server.inst skipped (already executed)
Running 90univention-bind-post.inst skipped (already executed)
Running 91univention-saml.inst skipped (already executed)
Running 92univention-management-console-web-server.inst skipped (already executed)
Running 98univention-pkgdb-tools.inst skipped (already executed)
Running 51dudle-uninstall.uinst done[/code]

Die URL ist - wenn man sie im Webbrowser aufruft - Benutzer/Passwort geschützt. Ich sehe aber keine Möglichkeit beides irgendwo zu hinterlegen.

Zunächst zu Nutzer/Passwort für die Webseite: die Daten sind im Code hardcodiert. ich habe mich mit diesen Daten hier auch gerade erfolgreich einloggen können und habe Daten gesehen.
Ich würde empfehlen die Installation erneut zu versuchen, ggf. ist in dem Moment der Verbindung das Internet weggebrochen? Eine Internetverbindung sollte die ganze Zeit über funktionieren.

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