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# Preferred Linux Installation Method

For production environments, we recommend the installation from the tar archive. This applies in particular to scenarios, where the Web server, storage and database are on separate machines. In this constellation, all dependencies and requirements are managed by the package management of your operating system, while the ownCloud code itself is maintained in a sequence of simple steps as documented in our instructions for the Manual Installation on Linux and the Manual ownCloud Upgrade.

The package installation is for single-server setups only.

## Changes in ownCloud 9

Linux distribution packages (from Open Build Service) have been divided into multiple packages for ownCloud 9: `owncloud`, `owncloud-deps` and `owncloud-files`.

Install the metapackage `owncloud` to get a complete installation with all dependencies.

The `owncloud-files` package installs only ownCloud, without Apache, database, or PHP dependencies.

The `owncloud-deps` packages install all dependencies: Apache, PHP, and MySQL. `owncloud-deps` is not intended to be installed by itself, but rather is pulled in by the metapackage `owncloud`.

`owncloud-files` is available for the following distributions, but not `owncloud-deps`.

You will have to install your own LAMP stack first. This allows you to create your own custom LAMP stack without dependency conflicts with the ownCloud package. Browse http://download.owncloud.org/download/repositories/9.1/owncloud/ to find the `owncloud-files` package for your distro:

- Ubuntu 14.04, 16.04
- Debian 7, 8
- RHEL 6, 7
- CentOS 6 SCL, 7
- SLES 12, 12 SP1
- openSUSE 13.2, Leap 42.1

ownCloud packages with dependencies are available for the following Linux distributions:

- Ubuntu 14.04, 16.04
- Debian 8
- RHEL 7
- CentOS 7
- SLES 12
- openSUSE 13.2, Leap 42.1

Repositories for Fedora, openSUSE Tumbleweed and Ubuntu 15.04 were dropped. If you use Fedora, use the tar archive with your own LAMP stack. openSUSE users can rely on LEAP packages for Tumbleweed.

Follow the instructions on the download page to install ownCloud. Then run the Installation Wizard to complete your installation. (see Installation Wizard).

Warning

Do not move the folders provided by these packages after the installation, as this will break updates.

See the System Requirements for the recommended ownCloud setup and supported platforms.

## Repos: Stable or Major Release?

You may use either of the following repositories for ownCloud 9.1:

- https://download.owncloud.org/download/repositories/stable/owncloud/
- https://download.owncloud.org/download/repositories/9.1/owncloud/

When you use the Stable repo, you never have to change it as it always tracks the current stable ownCloud version through all major releases: 8.2, 9.0, and so on. (Major releases are indicated by the second number, so 8.0, 8.1, 8.2, and 9.0 were all major releases.)

If you wish to track a specific major release, such as 9.0 or 9.1, then use that repo. That way you won’t accidentally find yourself looking at an upgrade to the next major release before you’re ready.

## Installing ownCloud Enterprise Edition

See `../enterprise_installation/linux_installation` for instructions on installing ownCloud Enterprise edition.

## Downgrading Not Supported

Downgrading is not supported and risks corrupting your data! If you want to revert to an older ownCloud version, install it from scratch and then restore your data from backup. Before doing this, file a support ticket (if you have paid support) or ask for help in the ownCloud forums to see if your issue can be resolved without downgrading.

## BINLOG_FORMAT = STATEMENT

If your ownCloud installation fails and you see this in your ownCloud log:

    An unhandled exception has been thrown: exception ‘PDOException’ with message
    'SQLSTATE[HY000]: General error: 1665 Cannot execute statement: impossible to
    write to binary log since BINLOG_FORMAT = STATEMENT and at least one table
    uses a storage engine limited to row-based logging. InnoDB is limited to
    row-logging when transaction isolation level is READ COMMITTED or READ
    UNCOMMITTED.'

See MySQL / MariaDB with Binary Logging Enabled.

## Additional Installation Guides and Notes

See Installation Wizard for important steps such as choosing the best database and setting correct directory permissions.

See SELinux Configuration for a suggested configuration for SELinux-enabled distributions such as Fedora and CentOS.

If your distribution is not listed, your Linux distribution may maintain its own ownCloud packages, or you may prefer to install from source code (see Manual Installation on Linux).

Archlinux: The current stable version is in the official community repository, and more packages are in the Arch User Repository.

Mageia: The Mageia Wiki has a good page on installing ownCloud from the Mageia software repository.

Running ownCloud in a subdirectory: If you’re running ownCloud in a subdirectory and want to use CalDAV or CardDAV clients make sure you have configured the correct Service discovery URLs.

Note for MySQL/MariaDB environments: Please refer to MySQL / MariaDB with Binary Logging Enabled on how to correctly configure your environment if you have binary logging enabled.

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