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207 lines
7.3 KiB
Markdown
207 lines
7.3 KiB
Markdown
---
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title: Nextcloud
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template: docs
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taxonomy:
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category: docs, apps
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routes:
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default: '/app_nextcloud'
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---
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- [Discovering the Nextcloud environment](#EnvironmentNextcloud)
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- [Mobile and computer client software](#ClientSoftware)
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- [Useful Manipulations & Problems Encountered](#UtileManipulations)
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- [Add space to Nextcloud](#AddSpace)
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- [Third Party Applications](#AppsTiers)
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- [Useful links](#UsefulLinks)
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Nextcloud is a file hosting service, many applications can be installed to offer it new features such as a calendar, a directory, notes and many others (you can find some applications in the [third-party applications](#AppsTiers) part but there are many others depending on your needs).
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## Discovering the Nextcloud environment <a name="EnvironmentNextcloud" href=""></a>
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Due to the creation of Nextcloud, a database with third-party applications to install, this chapter will only concern the nextcloud database without added applications. More information on applications in the dedicated section or in the nextcloud application catalogue: [apps.nextcloud.com](https://apps.nextcloud.com).
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Nextcloud is before a cloud service (like Seafile and others), it allows synchronization and file sharing on the Internet and between several terminals (computers, smartphone) but also with several people.
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## Mobile and computer client software <a name="ClientSoftware" href=""></a>
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There are client software for all platforms. You can find them on the official nextcloud website: https://nextcloud.com/install/#install-clients
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## Useful Manipulations & Problems Encountered <a name="UtileManipulations" href=""></a>
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### Add storage space <a name="AddSpace" href=""></a>
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Solution I. allows you to add a link to a local or remote folder.
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Solution II. allows to move the main storage space of Nextcloud.
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#### I. Add an external storage space
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Parameter =>[Administration] External storage.
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At the bottom of the list you can add a folder (It is possible to define a subfolder using the `folder/subfolder` convention.)
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Select a storage type and specify the requested connection information.
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You can restrict this folder to one or more nextcloud users with the column `Available for`.
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With the gear you can allow or prohibit previewing and file sharing.
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Finally click on the check mark to validate the folder.
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#### II. Migrate Nextcloud data to a larger partition
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**Note**: The following assumes that you have a hard disk mounted on `/media/storage`. Refer to[this article](/external_storage) to prepare your system.
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**Note**: Replace `nextcloud` with the name of its instance, if you have several Nextcloud apps installed.
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First turn off the web server with the command:
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```bash
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systemctl stop nginx
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```
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##### Choice of location
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**Case A: Blank storage, exclusive to Nextcloud**
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For the moment only root can write to it in `/media/storage`, which means that NGINX and Nextcloud will not be able to use it.
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```bash
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chown -R nextcloud:nextcloud /media/storage
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chmod 775 -R /media/storage
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```
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**Case B: Shared storage, data already present, Nextcloud data in a subfolder**
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If you want to use this disk for other applications, you can create a subfolder belonging to Nextcloud.
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```bash
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mkdir -p /media/storage/nextcloud_data
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chown -R nextcloud /media/storage/nextcloud_data
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chmod 775 -R /media/storage/nextcloud_data
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```
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##### Migrate data
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Migrate your data to the new disk. To do this *(be patient, it can take a long time)*:
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```bash
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Case A: cp -ia /home/yunohost.app/nextcloud /media/storage
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Case B: cp -ia /home/yunohost.app/nextcloud /media/storage/nextcloud_data
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```
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The `i` option allows you to ask yourself what to do if there is a file conflict, especially if you overwrite an old Owncloud or Nextcloud data folder.
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To check that everything went well, compare what these two commands display (the content must be identical):
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```bash
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ls -la /home/yunohost.app/nextcloud
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Case A: ls -al /media/storage
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Case B: ls -al /media/storage/nextcloud_data/nextcloud
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```
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##### Configure Nextcloud
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To inform Nextcloud of its new directory, modify the `/var/www/nextcloud/config/config.php` file with the command:
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```bash
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nano /var/www/nextcloud/config/config.php
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```
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Look for the line:
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```bash
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'datadirectory' => '/home/yunohost.app/nextcloud/data',
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```
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That you modify:
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```bash
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CASE A:'datadirectory' =>'/media/storage',
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CASE B:'datadirectory' =>'/media/storage/nextcloud_data/nextcloud/data',
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```
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Save it with `ctrl+x` then `y` or `o` (depending on your server locale).
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Restart the web server:
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```bash
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systemctl start nginx
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```
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Add the.ocdata file
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```bash
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CASE A: nano /media/storage/.ocdata
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CASE B: nano /media/storage/nextcloud_data/nextcloud/data/.ocdata
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```
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Add a space to the file to be able to save it
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Back up with `ctrl+x` then `y` or `o` (depending on your server locale).
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Run a scan of the new directory by Nextcloud:
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```bash
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cd /var/www/nextcloud
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sudo -u nextcloud php7.3 occ files:scan --all
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```
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It's over now. Now test if everything is fine, try connecting to your Nextcloud instance, upload a file, check its proper synchronization.
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### Nextcloud and Cloudflare
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If you use Cloudflare for your DNS, *which may be useful if you have a dynamic IP*, you will most likely have authentication problems with the Nextcloud application. On the Internet many people propose to create a rule that disables all options related to security and Cloudflare speed for the URL pointing to your Nextcloud instance. Although it works, it is not the optimal solution. I propose, certainly to create a rule for the URL pointing to your Nextcloud instance but to disable only 2 options. So here's how:
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#### Cloudflare Page Rules
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In the Cloudflare control panel select your domain and find Page Rules
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the URL in your address bar will look like this: https://dash.cloudflare.com/*/domain.tld/page-rules
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##### Add a rule
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The rule to be added must apply to the URL of your Nextcloud instance either:
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- `https://nextcloud.domain.tld/**` if you use a subdomain
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- `https://domain.tld/nextcloud/*` if you have deployed Nextcloud in a directory
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The options to disable (Off) are:
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- Rocket Loader
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- Email Obfuscation
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Save and clean your caches (Cloudflare, browser...) and that's it.
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## About Keeweb
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The KeeWeb application is a password manager integrated into Nextcloud. For example, it allows you to read a KeePass file (*.kdbx*) stored on your Nextcloud instance.
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But sometimes Nextcloud does not let the application support these files, which makes it impossible to read them from KeeWeb. To remedy this,
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[a solution](https://github.com/jhass/nextcloud-keeweb/blob/master/README.md#mimetype-detection) exists.
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Go to the Nextcloud configuration directory:
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```bash
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cd /var/www/nextcloud/config/
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```
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If it does not exist, create the *mimetypemapping.json* file whose owner is the user *nextcloud* :
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```bash
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sudo su nextcloud -c "nano mimetypemapping.json"
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```
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Then add in this file the following text:
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```bash
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{
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"kdbx": ["x-application/kdbx"]
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}
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```
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Save the file (**CTRL** + **o**) and exit nano (**CTRL** + **c**).
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Then run a scan by executing next command as root:
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```bash
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sudo -u nextcloud php /var/www/nextcloud/occ files:scan --all
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```
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Now the problem is fixed.
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## Useful links <a name="UsefulLinks" href=""></a>
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- Official website: [nextcloud.com](https://nextcloud.com/)
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- Application catalogue for Nextcloud: [apps.nextcloud.com](https://apps.nextcloud.com/)
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