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# Owncloud

From ArchWiki

From Wikipedia:

  ownCloud is a software suite that provides a location-independent storage area for data (cloud storage).

## Installation

owncloud is available in the AUR.

1. First of all set up the LAMP stack. You will probably need to install the MDB2 pear package as well:

`# pacman -S php-pear` and `# pear install mdb2`

1. Install the owncloud package as described in AUR wiki page.
2. Copy `/usr/share/doc/owncloud/examples/apache.conf_example` to `/etc/httpd/conf/extra/owncloud.conf` (if using owncloud-git)
3. Add the following lines into `/etc/httpd/conf/httpd.conf` (php5 should have been configured during the LAMP stack setup):

     Include /etc/httpd/conf/extra/owncloud.conf
     LoadModule php5_module modules/libphp5.so
     Include conf/extra/php5_module.conf

Uncomment extensions in `/etc/php/php.ini`:

     gd.so
     intl.so
     openssl.so
     xmlrpc.so
     zip.so
     iconv.so

Depending on which database backend you are going to use uncomment either one of the following extensions in `/etc/php/php.ini`:

     sqlite.so
     sqlite3.so
     pdo_sqlite.so

or:

     mysql.so
     mysqli.so
     pdo_mysql.so

Now restart httpd (Apache) and open http://localhost in your browser. You should now be able to create a user account and follow the installation wizard.

## Custom configurations

### Filesize limitations

With the default configuration ownCloud only allows the upload of filesizes less than 2MB. This can be changed by changing the following line in `/etc/php/php.ini` to your liking.

As of version 4.0 this is no longer necessary! The maximum upload size is now set via the ownCloud gui

     upload_max_filesize = 2M

As of version 4.5, upload limits are set in `/usr/share/webapps/owncloud/.htaccess`. This won't work if PHP is set up to run as CGI, so you need to change the limits in `/etc/php/php.ini`. You also need to change open_basedir.

    upload_max_filesize = 512M
    post_max_size = 512M
    memory_limit = 512M
    open_basedir = /srv/http/:/home/:/tmp/:/usr/share/pear/:/usr/share/webapps/

### Running ownCloud in a subdirectory

By including the default owncloud.conf in httpd.conf, owncloud will take control of port 80 and your localhost domain. If you would like to have owncloud run in a subdirectory, then skip the 'Include /etc/httpd/conf/extra/owncloud.conf' line altogether and just use a symbolic link like so:

    # ln -s /usr/share/webapps/owncloud/ /srv/http/

In that case, you'll also have to ensure /usr/share/webapps is in the open_basedir line of php.ini, and that per-directory .htaccess files are read by apache.

Alternatively, you could follow the standard procedure, but comment out the VirtualHost part of the include file, and skip the symlink/basedir/htaccess part.

## Filling ownCloud with data

### Small files

#### WebDav

Always use WebDAV or the web interface to add new files to your ownCloud. Otherwise they will not show up correctly, as they do not get indexed right. No further configuration is necessary to enable WebDAV uploads in ownCloud.

Consider installing and enabling php-apc to speed up WebDAV.

#### SABnzbd

When using SABnzbd, you might want to set

    folder_rename 0

in your sabnzbd.ini file, because ownCloud will scan the files as soon as they get uploaded, preventing SABnzbd from removing UNPACKING prefixes etc.

### Big files

WebDAV isn't suitable for big files, because it fills up all the RAM and CPU.

With the current version, it looks like, there is no good way of copying huge amounts of data to your ownCloud.

Here's a Workaround:

Copy the files directly to your ownCloud and do a full re-scan of your database (you could use the Re-scan filesystem add-on for example).

But beware that this will not work as easily in the future, when end-to-end encryption gets added to ownCloud (this is a planned feature).

## Important notes

- When using a subdomain (like cloud.example.net), make sure it is covered by your certificate. Otherwise, connection via the owncloud client or webdav might fail.

- If you are planning on using OwnCloud's sync-clients, make sure to have NTP installed and running on your OwnCloud server, otherwise the sync-clients will fail.

- Add some SSL encryption to your connection!

(If adding SSL encryption as above, be sure to edit /etc/httpd/conf/extra/httpd-ssl.conf and change DocumentRoot "/srv/http" to DocumentRoot "/usr/share/webapps/owncloud" )

- More Apps for ownCloud can be found here

- To install an new application, download the zip from the apps store, extract it into /srv/http/owncloud/apps/.

Afterwards restart httpd:

    systemctl restart httpd

log into your server go to the app sections you should see the new apps in there,

## Nginx + uwsgi_php alternative

You can avoid the use of Apache, and run owncloud in it's own process by using the wsgi_php application server. uWSGI itself has a wealth of features to limit the resource use, and to harden the security of the application, and by being a separate process it can run under its own user.

The nginx config is:

    #this is to avoid Request Entity Too Large error
    client_max_body_size 1000M;
    # deny access to some special files
    location ~ ^/(data|config|\.ht|db_structure\.xml|README) {
        deny all;
    }
    # pass all .php or .php/path urls to uWSGI
    location ~ ^(.+\.php)(.*)$ {
        include uwsgi_params;
        uwsgi_modifier1 14;
        uwsgi_pass 127.0.0.1:3001;
    }
    # everything else goes to the filesystem,
    # but / will be mapped to index.php and run through uwsgi
    location / {
        root /usr/share/webapps/owncloud;
        index index.php;
        rewrite ^/.well-known/carddav /remote.php/carddav/ redirect;
        rewrite ^/.well-known/caldav /remote.php/caldav/ redirect;
    }

The uWSGI /etc/uwsgi/owncloud.ini config file (run it with uwsgi_php --ini /etc/uwsgi/owncloud.ini):

    [uwsgi]
    socket = 127.0.0.1:3001
    master = true
    chdir = /srv/http/owncloud
    php-docroot = /usr/share/webapps/owncloud
    php-index = index.php

    # only allow these php files, I don't want to inadvertently run something else
    php-allowed-ext = /index.php
    php-allowed-ext = /public.php
    php-allowed-ext = /remote.php
    php-allowed-ext = /cron.php
    php-allowed-ext = /status.php
    php-allowed-ext = /settings/apps.php
    php-allowed-ext = /core/ajax/update.php
    php-allowed-ext = /core/ajax/share.php
    php-allowed-ext = /core/ajax/requesttoken.php
    php-allowed-ext = /core/ajax/translations.php
    php-allowed-ext = /search/ajax/search.php
    php-allowed-ext = /search/templates/part.results.php
    php-allowed-ext = /settings/admin.php
    php-allowed-ext = /settings/users.php
    php-allowed-ext = /settings/personal.php
    php-allowed-ext = /settings/help.php
    php-allowed-ext = /settings/ajax/getlog.php
    php-allowed-ext = /settings/ajax/setlanguage.php
    php-allowed-ext = /settings/ajax/setquota.php
    php-allowed-ext = /settings/ajax/userlist.php
    php-allowed-ext = /settings/ajax/createuser.php
    php-allowed-ext = /settings/ajax/removeuser.php
    php-allowed-ext = /settings/ajax/enableapp.php
    php-allowed-ext = /core/ajax/appconfig.php

    php-set = date.timezone=Europe/Skopje
    php-set = open_basedir=/srv/http/owncloud:/tmp/:/usr/share/pear/:/usr/share/webapps/owncloud

    processes = 10
    cheaper = 2
    cron = -1 -1 -1 -1 -1 /usr/bin/curl -H https://localhost/cron.php

Finally, a simple systemd unit file to start the uwsgi instance can be (this is without using the emperor):

    [Unit]
    Description=OwnCloud service via uWSGI-PHP

    [Service]
    User=http
    ExecStart=/usr/bin/uwsgi_php --ini /etc/uwsgi/owncloud.ini
    ExecReload=/bin/kill -HUP $MAINPID
    KillSignal=SIGQUIT
    Restart=always

    [Install]
    WantedBy=multi-user.target

## Sync Clients

The offical clients can be found in this page : Sync Clients Also take notice that while the offical owncloud android app is a payed app on the play store, it is not a payed app on F-Droid.

## Troubleshooting

### Self-signed certificate not accepted

OwnCloud uses Wikipedia:cURL and Wikipedia:SabreDAV to check if WebDAV is enabled. If you use a SSL/TLS with a self-signed certificate, e.g. as shown in LAMP and access ownClouds admin panel, you will see the following error message:

    Your web server is not yet properly setup to allow files synchronization because the WebDAV interface seems to be broken.

Assuming that you followed the LAMP-tutorial, execute the following steps:

Create local directory for non-distribution certificates and copy LAMPs certificate there. This will prevent `ca-certificates`-updates to overwrite it.

    $ mkdir -p /usr/local/share/ca-certificates
    $ cp /etc/httpd/conf/server.crt /usr/local/share/ca-certificates/WWW.EXAMPLE.COM.crt

Add WWW.EXAMPLE.COM.crt to `/etc/ca-certificates.conf`:

    WWW.EXAMPLE.COM.crt

Now, regenerate your certificate store:

    $ update-ca-certificates

Restart the httpd service to activate your certificate.

### Can't create data directory (/path/to/dir)

Check your httpd conf file (like owncloud.conf). Add your data dir to

    php_admin_value open_basedir "/srv/http/:/home/:/tmp/:/usr/share/pear/:/usr/share/webapps/:/path/to/dir/"

Restart the httpd service to activate the change.

### CSync faild to find a specific file.

Most probably a certificate issue, recreate it, and don't leave the common name empty or you will see the error again.

    openssl genrsa -out server.key 2048
    openssl req -new -key server.key -x509 -days 365 -out server.crt

### Seeing white page after login

The cause is probably a new app that you installed, to fix that you can either use phpMyAdmin by editing the oc_appconfig table(in the case you got lucky and the table has edit option) or do it by hand with mysql:

    mysql -u root -p owncloud
    MariaDB [owncloud]> delete from oc_appconfig where appid='<nameOfExtension>' and configkey='enabled' and configvalue='yes'
    MariaDB [owncloud]> insert into oc_appconfig (appid,configkey,configvalue) values ('<nameOfExtension>','enabled','no');

This should delete the relevant configuration from the table and add it again.

Retrieved from "https://wiki.archlinux.org/index.php?title=Owncloud&oldid=279989"
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