Ldap homeDirectory users cant create files

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Nextcloud version (eg, 12.0.2): 15.0.7
Operating system and version (eg, Ubuntu 17.04): Arch Linux
Apache or nginx version (eg, Apache 2.4.25): 1.14.2
PHP version (eg, 7.1): 7.3.4

The issue you are facing:

Users that are logging in from ldap can’t create files inside their homeDirectory.
Also unless I create files and sorts inside homeDirectory nextcloud just crashes
Is this the first time you’ve seen this error? (Y/N): yes

Steps to replicate it:

  1. use ldap as backend or use users from PAM
  2. logging as ldap user
  3. see

The output of your Nextcloud log in Admin > Logging:


The output of your config.php file in /path/to/nextcloud (make sure you remove any identifiable information!):

$CONFIG = array (
  'datadirectory' => '/var/lib/nextcloud/data',
  'instanceid' => '22222',
  'appstoreenabled' => false,
  'cache_path' => '/var/lib/nextcloud/cache',
  'passwordsalt' => 'RLY'
  'secret' => 'RLY'  'trusted_domains' => 
  array (
    0 => 'RLY',
  'dbtype' => 'pgsql',
  'version' => '',
  'overwrite.cli.url' => 'https://cloud.thaodan.de',
  'dbname' => 'nextcloud',
  'dbhost' => '/run/postgresql',
  'dbport' => '',
  'dbtableprefix' => 'oc_',
  'dbuser' => 'nextcloud',
  'dbpassword' => 'FIXME,
  'installed' => true,
  'ldapIgnoreNamingRules' => true,
  'ldapProviderFactory' => 'OCA\\User_LDAP\\LDAPProviderFactory',
'log_type' => 'systemd,
'loglevel' => 1,

How can I make my logs anonymous?
Without shoving server/ldap data?

Finally should /home/$USER by owned by nextcloud or the user?

To answer my own question: nextcloud checks if the group of a file is his main group and thinks it can’t write it if its not the main group of the nextcloud user is.
A bit of background:
I use the group users to share data between users on my server.
I put nextcloud in the users group in addition to the nextcloud main group.
Now that nextcloud belongs to users as main group it works.

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