Ich erhalte seit ein paar Wochen diesen Fehler wenn ich das DNS Modul neu starte
2017/12/27 17:14:16 INFO> Service.pm:958 EBox::Module::Service::restartService - Restarting service for module: dns
2017/12/27 17:14:17 INFO> DNS.pm:91 EBox::DNS::appArmorProfiles - Setting DNS apparmor profile
2017/12/27 17:14:21 ERROR> Sudo.pm:240 EBox::Sudo::_rootError - root command nsupdate -g -t 10 /var/lib/zentyal/tmp/ux42LfUcLO failed.
2017/12/27 17:14:21 ERROR> Service.pm:962 EBox::Module::Service::restartService - Error restarting service: root command nsupdate -g -t 10 /var/lib/zentyal/tmp/ux42LfUcLO failed.
Error output: tkey query failed: GSSAPI error: Major = Unspecified GSS failure. Minor code may provide more information, Minor = No Kerberos credentials available.
Command output: .
Exit value: 1
2017/12/27 17:14:21 ERROR> Service.pm:964 EBox::Module::Service::restartService - root command nsupdate -g -t 10 /var/lib/zentyal/tmp/ux42LfUcLO failed.
2017/12/27 17:14:21 ERROR> RestartService.pm:61 EBox::SysInfo::CGI::RestartService::_process - Restart of DNS from dashboard failed: root command nsupdate -g -t 10 /var/lib/zentyal/tmp/ux42LfUcLO failed.
Error output: tkey query failed: GSSAPI error: Major = Unspecified GSS failure. Minor code may provide more information, Minor = No Kerberos credentials available.
Command output: .
Exit value: 1