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# Installing ownCloud From the Command Line

It is now possible to install ownCloud entirely from the command line. This is convenient for scripted operations, headless servers, and sysadmins who prefer the command line. There are three stages to installing ownCloud via the command line:

1. Download and install the ownCloud code via your package manager, or download and unpack the tarball in the appropriate directories. (See Preferred Linux Installation Method and Manual Installation on Linux.)
2. Apply the correction permissions to your ownCloud files and directories (see Setting Strong Directory Permissions.)
3. Use the `occ` command to complete your installation. This takes the place of running the graphical Installation Wizard.

You must run `occ` as your HTTP user; see Setting Strong Directory Permissions. This example shows how to complete your ownCloud installation with `occ` on Ubuntu Linux:

    $ cd /var/www/owncloud/
    $ sudo -u www-data php occ  maintenance:install --database
    "mysql" --database-name "owncloud"  --database-user "root" --database-pass
    "password" --admin-user "admin" --admin-pass "password"
    ownCloud is not installed - only a limited number of commands are available
    ownCloud was successfully installed

Note that you must change to the root ownCloud directory, as in the example above, to run `occ maintenance:install`, or the installation will fail with a PHP fatal error message.

Supported databases are:

    - sqlite (SQLite3 - ownCloud Community edition only)
    - mysql (MySQL/MariaDB)
    - pgsql (PostgreSQL)
    - oci (Oracle - ownCloud Enterprise edition only)

See Command Line Installation for more information.

Finally, apply the correct strong permissions to your ownCloud files and directories (see Setting Strong Directory Permissions). This is an extremely important step. It helps protect your ownCloud installation, and ensures that it will run correctly.

## 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.

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