Integrate Transmit with Backblaze B2
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    Integrate Transmit with Backblaze B2

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    Article summary

    Transmit is a third-party integration with Backblaze B2 Cloud Storage that provides a simple drag-and-drop interface that interacts with Backblaze B2. You can use Transmit 5 to move your data to a new Backblaze B2 S3-compatible bucket.

    Transmit is available only for macOS 11.0+.

    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

    You can use an existing Backblaze B2 bucket, or you can create a new 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

    You can use your master application key, or you can create a new 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. Select All or a specific bucket in the Allow Access to Bucket(s) dropdown menu.
    5. Optionally, select your access type (Read and Write, Read Only, or Write Only).
    6. Optionally, select the Allow List All Bucket Names checkbox (required for the B2 Native API b2_list_buckets and the S3-Compatible API S3 List Buckets operations).
    7. Optionally, enter a file name prefix to restrict application key access only to files with that prefix. Depending on what you selected in step #4, this limits application key access to files with the specified prefix for all buckets or just the selected bucket.
    8. Optionally, enter a positive integer to limit the time, in seconds, before the application key expires. The value must be less than 1000 days (in seconds).
    9. Click Create New Key, and note the resulting keyID and applicationKey values.
    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.

    Install and Set Up Transmit 5

    1. Install Transmit 5 here.
    2. Run the installer, and follow the prompts.
    3. Open Transmit 5, and click Quick Connect.
    4. Click SFTP, and select Backblaze B2.
    5. Enter your application key and key ID.
    6. Click Connect.

    Upload Files to Backblaze B2

    Your Backblaze B2 buckets are displayed in the Transmit window.

    1. Select the files from the right frame that you want to upload, and drag the files to the Backblaze B2 bucket on the left frame.
    2. Click the transfers icon to view the files that are uploading to Backblaze B2 and the rate at which they are uploading.

    Edit Preferences

    1. Edit the transfer speed to help improve the speed at which the files are uploaded or downloaded.
      1. Select Transmit, and select Preferences.
      2. Click Transfers.
      3. Change the number of files (up to 12) that you want to transfer simultaneously.
    2. Enable automatic retry of file transfers.
      1. Change Downloading files to Try to resume the transfer.
      2. Change Uploading files to Try to resume the transfer.
      This setting helps prevent issues when you upload large files, by automatically retrying the transfer multiple times. Larger files are transmitted in parts, and if one part fails, the whole transfer fails. If something causes a part to fail, it is retried instead of failing.

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