Difference between revisions of "Cool Solution - Mount Samba shares in Nextcloud"

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{{Version|school=4.3}} {{Cool Solutions Disclaimer|Repository=yes}}
This page has been moved to the Knowledge Base Cool Solutions in the Forum.
|title={{#replace:{{#replace:{{#replace:{{#replace:{{FULLPAGENAME}}|'|'}}|&|&}}|"|"}}|Cool Solution - |}} - {{SITENAME}}
[https://www.univention.com/products/univention-app-center/app-catalog/nextcloud/ Nextcloud] is a free and open source file hosting service and available in the Univention App Center to easily install it on UCS. Nextcloud is capable of mounting external storages from different backends, including Samba shares. A few packages made by Univention enable you to automatically mount your UCS@school shares such as class or workgroup shares. To install these, the [https://wiki.univention.de/index.php/Category:Cool_Solutions_Repository Cool Solutions Repository] must be enabled.
[https://help.univention.com/t/cool-solution-mount-samba-shares-in-nextcloud/ Cool Solution - Mount Samba shares in Nextcloud]
= Prerequisites =
The Nextcloud server must be able to access the SMB shares you intend to mount. To accomplish this, make sure that Port 445 on the Samba server(s) is reachable from the Nextcloud server.
A good way to test whether access works is smbclient. In a domain with the LDAP base '''dc=ucs,dc=local''' and a Samba server called '''fileserver''' a command could look as follows:
smbclient -U user@ucs.local //fileserver/share
smbclient will ask for the user's password and try to connect. If it connects successfully, you will be prompted with an interactive shell on the Samba share.
= Enabling Nextcloud for users and groups =
Nextcloud access can be enabled manually via the web interface UMC using the '''Users''' or '''Groups''' module. In the '''Users''' module, open a specific user, switch to '''Advanced settings''' and tick the checkbox in the '''Nextcloud''' dropdown. In the '''Groups''' module, open a specific group, switch to '''Nextcloud''' and tick the checkbox. After Nextcloud is installed, newly created users are automatically enabled in Nextcloud.
The package '''univention-nextcloud-enable-for-classes-and-workgroups''' from the [https://wiki.univention.de/index.php/Category:Cool_Solutions_Repository Cool Solutions Repository] enables all classes, workgroups and Domain Users <OU> groups for Nextcloud. This is required for the groups to show up in Nextcloud and be used there to limit access to shares to their respective groups. The package must be installed on the '''domaincontroller master''' of your domain!
univention-install univention-nextcloud-enable-for-classes-and-workgroups
= Mounting shares =
To mount Samba shares in Nextcloud the '''files_external''' Nextcloud app must be enabled. To enable the app, login to Nextcloud with an admin user (e.g. Administrator) and switch to '''Settings''' -> '''Apps'''. Look for '''External Storage support''' and click '''Enable'''.
Once the files_external app is enabled, external storage mounts can be configured via '''Settings -> Administration -> External Storages'''.
To configure external storages the share's '''windows domain must be set''' in Nextcloud. Note that the windows domain might change between Samba updates. The windows domain can be obtained via UCR:
ucr get windows/domain
== Home shares ==
A mount for home shares can be configured very easily with a generic mount. Configure the mount as follows and save it by clicking on the small tick icon. A red square (bad) or green circle (good) tells you whether access to the share was successful, with the '''currently logged in user'''.
{| class=wikitable
! Folder name || External Storage || Authentication || Configuration/Host || Configuration/Share || Configuration/Remote Subfolder || Configuration/Domain || Available for
| Home || SMB/CIFS || Log-in credentials, save in session || <HOST or IP> || /  || $user || <WINDOWS DOMAIN> ||
== Class, workgroup and common shares ==
=== Prerequisites ===
The packages mentioned in the following paragraphs require the '''roles feature''', introduced in UCS@school 4.3 v4. To enable it, execute the following on your UCS '''domaincontroller master''':
ucr set ucsschool/feature/roles=yes
/usr/share/ucs-school-import/scripts/migrate_ucsschool_roles --all-objects --modify
=== Class and workgroup shares ===
Since mounts for classes and workgroups can't be configured as generic as the home shares, Univention developed a package for that purpose. It automatically checks all groups that are enabled for Nextcloud and configures a mount for a share of the same name, if there is one. If a '''Domain Users <OU>''' group is enabled, it configures the common share '''Marktplatz''' for that group. The package comes from the [https://wiki.univention.de/index.php/Category:Cool_Solutions_Repository Cool Solutions Repository] and must be installed on the '''UCS server on which the Nextcloud app is installed'''.
univention-install univention-nextcloud-samba-group-share-config
=== Common shares ===
By default a common share called "Marktplatz" is configured for every school in UCS@school. Users can also create more shares available for all users via the web interface and mount them for all users in the Windows logon scripts using the UCR variable '''ucsschool/userlogon/commonshares'''.
To also configure a mount for all common shares on a certain server, the package  univention-nextcloud-samba-common-share-config from the [https://wiki.univention.de/index.php/Category:Cool_Solutions_Repository Cool Solutions Repository] can be used. It is triggered on changes of '''ucsschool/userlogon/commonshares''' and configures a mount for the shares from that variable on a remote Nextcloud host. The Nextcloud host must be reachable via SSH from the system, where univention-nextcloud-samba-common-share-config is installed!
First, set a few variables to configure univention-nextcloud-samba-common-share-config:
ucr set nextcloud-samba-share-config/remoteUser=<USER to SSH into remote Nextcloud host>
ucr set nextcloud-samba-share-config/remotePwFile=<PASSWORD FILE for USER on remote Nextcloud host>
ucr set nextcloud-samba-share-config/remoteHost=<HOSTNAME or IP of remote Nextcloud host>
ucr set nextcloud-samba-share-config/nextcloudGroup=<GROUP to allow acces to the common shares, should be Domain Users <OU> in most cases>
Afterwards the package can be installed:
univention-install univention-nextcloud-samba-common-share-config
Make sure to separate common shares with commas and no additional spaces like so:
ucr set ucsschool/userlogon/commonshares=share1,share2

Latest revision as of 18:38, 3 June 2019

This page has been moved to the Knowledge Base Cool Solutions in the Forum.

Cool Solution - Mount Samba shares in Nextcloud

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