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Integrate Nextcloud with Backblaze B2
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    Integrate Nextcloud with Backblaze B2

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      Article Summary

      Nextcloud is a self-hosted file sync and content collaboration platform. Nextcloud combines the convenience of public clouds with the security, privacy, and control that a business needs. Storage can be expanded to include external sources, including S3-compatible storage like Backblaze B2 Cloud Storage.

      Enable Backblaze B2

      Before you begin: You must have a Backblaze B2 Cloud Storage account. You can sign up here. If you already have a Backblaze account and the left navigation menu contains a B2 Cloud Storage section, your account is already enabled for Backblaze B2.

      1. Sign in to your Backblaze account.
      2. In the left navigation menu under Account, click My Settings.
      3. Under Enabled Products, select the checkbox to enable B2 Cloud Storage.
      4. Review the Terms and Conditions, and click OK to accept them. 

      Create a Bucket

      1. Sign in to your Backblaze account.
      2. In the left navigation menu under B2 Cloud Storage, click Buckets.
      3. Click Create a Bucket.
      4. Enter a name for your bucket.
        Bucket names must be at least six characters and globally unique. A message is displayed if your bucket name is already in use.
      5. Select a privacy setting: Private or Public.
        Files that are in a private bucket require authentication to perform an action, for example, downloading. Public buckets do not require authentication so you can easily share files. You can change a bucket's privacy settings at any time.
      6. If applicable, enable a Backblaze B2 server-side encryption key.
      7. Enable Object Lock to restrict a file from being modified or deleted for a specified period of time.
      8. Click Create a Bucket, and copy the value that is in the Endpoint field; you may need this value for other processes.
      9. Click Lifecycle Settings to control how long to keep the files in your new bucket.

      Create an Application Key

      Application keys control access to your Backblaze B2 Cloud Storage account and the buckets that are contained in your account.

      1. Sign in to your Backblaze account.
      2. In the left navigation menu under Account, click Application Keys.
      3. Click Add a New Application Key, and enter an app key name.
        You cannot search an app key by this name; therefore, app key names are not required to be globally unique. 
      4. In the Allow Access to Bucket(s) dropdown menu, select All or a specific bucket.
      5. Select your access type (for example, Read and Write).
      6. Select the optional Allow List All Bucket Names checkbox (required for the Backblaze B2 S3-compatible API List Buckets operation).
      7. Click Create New Key, and note the resulting keyID and applicationKey values.
      Note
      When you create a new app key, the response contains the actual key string, for example N2Zug0evLcHDlh_L0Z0AJhiGGdY. You can always find the keyID on this page, but for security, the applicationKey appears only once. Make sure you copy and securely save this value elsewhere.

      Configure Nextcloud with Backblaze B2

      Before you begin: You must enable external storage support in the Apps section of your Nextcloud account.

      1. In the Nextcloud interface, click Administrator and select Settings.
      2. In the Administration menu, click External storages.
      3. Select Enable external storage.
      4. Select Amazon S3 from the External storage dropdown menu.
      5. Complete the configuration fields.
        1. Enter your Backblaze B2 bucket name.
        2. Enter the S3 endpoint URL.
        3. Enter the port that you want to use.
        4. Enter the Backblaze B2 region.
        5. Select Enable SSL.
        6. Enter your Backblaze B2 key ID.
        7. Enter your Backblaze B2 application key.
      6. Select All users. Type to select user or group to set storage permissions.
        A green check appears next to the Folder name field to confirm that your configuration is accepted.
      7. At the bottom of the screen, select Allow users to mount external storage and select the options to specify the external storage that you want to allow.
        • FTP
        • WebDAV
        • Nextcloud
        • SFTP
        • Amazon S3
        • OpenStack Object Storage
        • SMB / CIFS
        • IPFS
      8. Click Files in the top-left corner of the screen to verify the new folder that you configured for Backblaze B2.
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