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At IU, what is Slashtmp, and how do I use it?

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Overview

At Indiana University, the Slashtmp service provides graduate students, faculty, and staff a way to share data with others via a web interface. It is particularly useful for sharing files that are too large to send via email. Slashtmp has two versions:

  • Simple: Use the Simple version if you're transferring non-sensitive research data.

  • Critical: You must use the Critical version if you're transferring data that's subject to HIPAA regulations, or other information classified as critical at IU (e.g., Social Security numbers, credit card numbers, or bank account numbers).

Your Slashtmp files will disappear automatically 30 days after you upload them (but you may delete them sooner if you wish). Slashtmp files are not backed up; when you delete a file, there is no way to recover it. Do not use Slashtmp as the only place to keep files you cannot afford to lose.

Your Slashtmp account is allotted 4 GB of storage space. The heading of your "File download section" shows how many files you have stored, followed by the total amount of used space and then the percentage of used quota.

Note: Only certain web browsers support uploading files larger than 2 GB to Slashtmp:

  • Chrome, version 8 or higher (Windows, Mac OS X, Linux)
  • Safari, version 5 or higher (Windows, Mac OS X)
  • Opera, version 11 or higher (Windows, Mac OS X, Linux)

To report problems with Slashtmp, email  ithelp@iu.edu .

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Uploading a file using the Simple version

To upload a file so you can share it with others:

  1. Log into Slashtmp using your Network ID.

  2. On the home page, select SIMPLE version, and then click Get Started!

    Note: You'll see a box for confirming your choice. Click OK if you're uploading non-sensitive data. Otherwise, click Cancel, and use the Critical version instead (see below).

  3. In the "File upload section", under "Upload a new file", click Browse to select the file (maximum size allowed is 2 GB).

  4. Add an optional "File Description" (UITS recommends you do this).

  5. To restrict access to users with an IU Network ID, select Require user to have an IU Network ID for download. If you don't choose this option, anyone with the URL for the uploaded file can access it.

  6. To reduce the risk of unauthorized access, you must encrypt the file by entering a password (at least eight characters long) next to "Encryption password" (and "Re-enter password"). You (and others with whom you share the URL) must use the password to download the file.

    Note: The Slashtmp server never stores your password. Your password is used only to encrypt and then to decrypt the data. If you forget your password or mistype it during upload, there is no way to recover the original data. If this happens, delete the file from Slashtmp, and then upload it again.

  7. When you're finished, click Upload the file!

  8. Slashtmp notifies you when the upload is complete, and provides a URL and quick link for accessing the file. Follow the on-screen instructions to return to the main page.

  9. Share the URL and the encryption password with people with whom you want to share the file. Warn others if accessing the file requires IU Network ID authentication.

Slashtmp will display a page confirming that your file was successfully uploaded, with the URL of the file.

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Uploading a file using the Critical version

When using Slashtmp to share data subject to HIPAA regulations, or other information classified as critical at IU (e.g., Social Security numbers, credit card numbers, or bank account numbers), you must choose the Critical version from the Slashtmp home page before proceeding with your upload.

To use the Critical version, on the Slashtmp home page select CRITICAL version, and then click Get Started! After uploading the file, Slashtmp will prompt you for a list of up to 15 email addresses. Each email address will receive a unique URL used for downloading the critical file. Each download URL can be used one time only. After uploading a critical file, you can go to your list of Slashtmp files, and click Send Invites to generate and send more download URLs.

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Letting someone share a file with you

To let someone share a file with you:

  1. On the home page, select either the Critical or Simple version, and then click Get Started to go to your Slashtmp main page.

    Note: If you select the Simple version, you'll see a box for confirming your choice. Click OK if you're uploading non-sensitive data. Otherwise, click Cancel, and then select the Critical version.

  2. On the Slashtmp main page, in the "File upload section", under "Allow a guest user to upload a file", click Create upload URL!

  3. Enter the email address of the guest user, and then click Create Guest Upload. You will see a confirmation screen, and the user will receive an email message with a link enabling him or her to upload one file to Slashtmp. That person can follow the link to upload the file using the instructions above.

    Note: If you create a guest upload URL using the Critical version, the person who uploads the file will have to use the Critical version as well. If you create a guest upload URL using the Simple version, the person who uploads the file also will have to use the Simple version.

  4. When the person has uploaded the file, it will appear in the "File download section" on your Slashtmp main page. To download the file, under "URL/Link", click the corresponding link and choose to save the file to your computer.

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Deleting files

Your Slashtmp files will disappear automatically 30 days after you upload them (but you may delete them sooner if you wish). Slashtmp files are not backed up; when you delete a file, there is no way to recover it. Do not use Slashtmp as the only place to keep files you cannot afford to lose.

To delete a file on Slashtmp:

  1. On the Slashtmp main page, find the file in the "File download section".

  2. Under "Keep/Delete", select Delete file, and then Delete checked files.

You will see a notification when the deletion is complete, and you can then follow the on-screen instructions to return to the main page.

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This is document angt in domain all.
Last modified on March 28, 2014.

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