Can't join Ubuntu LXC to UCS 4.4

UCS - Univention Corporate Server
#1

Hi all :slight_smile:

i’ve setuped a new LXC with Ubuntu 18.04, installed the PPA: https://github.com/univention/univention-domain-join but if i would join, it did not work. Strange error message…

2019-09-13 20:22:59,011 debugging CRITICAL [Errno 2] No such file or directory
Traceback (most recent call last):
  File "/usr/sbin/univention-domain-join-cli", line 194, in <module>
    distribution_joiner.create_backup_of_config_files()
  File "/usr/lib/python2.7/dist-packages/univention_domain_join/distributions/ubuntu.py", line 78, in create_backup_of_config_files
    DnsConfigurator(self.nameservers, self.domain).backup(backup_dir)
  File "/usr/lib/python2.7/dist-packages/univention_domain_join/join_steps/dns_configurator.py", line 65, in __init__
    if DnsConfiguratorNetworkManager().works_on_this_system():
  File "/usr/lib/python2.7/dist-packages/univention_domain_join/join_steps/dns_configurator.py", line 144, in works_on_this_system
    stdout=subprocess.PIPE, stderr=subprocess.PIPE
  File "/usr/lib/python2.7/subprocess.py", line 394, in __init__
    errread, errwrite)
  File "/usr/lib/python2.7/subprocess.py", line 1047, in _execute_child
    raise child_exception
OSError: [Errno 2] No such file or directory

“No such file or directory”… what is missing?

#2

Really strange, Networkmanager must be installed. Ok so i’ve installed Networkmanager, but join fails:

Traceback (most recent call last):
  File "/usr/sbin/univention-domain-join-cli", line 195, in <module>
    distribution_joiner.join_domain()
  File "/usr/lib/python2.7/dist-packages/univention_domain_join/distributions/ubuntu.py", line 95, in join_domain
    DnsConfigurator(self.nameservers, self.domain).configure_dns()
  File "/usr/lib/python2.7/dist-packages/univention_domain_join/utils/general.py", line 40, in root_wrapper
    return_value = func(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/univention_domain_join/join_steps/dns_configurator.py", line 75, in configure_dns
    self.working_configurator.configure_dns(self.nameservers, self.domain)
  File "/usr/lib/python2.7/dist-packages/univention_domain_join/utils/general.py", line 40, in root_wrapper
    return_value = func(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/univention_domain_join/join_steps/dns_configurator.py", line 169, in configure_dns
    raise DnsConfigurationException()
DnsConfigurationException
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