Revision as of 15:24, 22 January 2025

To connect to Viper off campus a VPN is required. If you do not have access to the VPN you can request access through the Support Portal.

Connection Method 1 : Viper can be accessed through a browser using the Viper Ondemand service which allow you to run jobs without using an SSH terminal

Viper Ondemand

Connection Method 2 : If you wish to use an SSH terminal following the instructions below.

Jump ahead to your operating system: Windows / Mac / Linux

If this is your first time connecting please note that you may see an error message in .XAuthority, this is normal and you can ignore it.

Connecting on a Windows PC

An application that allows SSH connections must be installed to connect to Viper from a Windows PC. We recommend MobaXterm.

Installing MobaXterm

1. Visit MobaXterm Website

2. Complying with the license agreement download the portable version

3. Unzip the file

4. Double-click MobaXterm_Personal_24.2 (or later)

Using MobaXterm To Connect

1. Launch MobaXterm

2. Click 'Session'

3. Select the 'SSH' type connection

4. Enter the Remote host: viperlogin.hpc.hull.ac.uk (port 22 if required)

5. Enter your Username (University User ID)

6. Click OK

7. A terminal window will appear, enter your password followed by enter, this will not be echoed to the screen

password:

8. If you have connected successfully you will see the following:

[username@login01 ~]$ 

Connecting on Mac

1. Go to Applications -> Utilities and open Terminal

2. Type ssh -Y <yourusername>@viperlogin.hpc..hull.ac.uk

3. The first time you connect to Viper, a message asks if you want to continue connecting. This message appears because Viper has an RSA key that is not stored in your system registry/keychain, the identity of which cannot be verified. Type 'yes' and press enter.

4. Enter your password followed by enter; this will not be echoed on the screen.

5. If you have connected successfully you will see the following:

[username@login01 ~]$ 

Connecting on Linux

1. Open a Terminal application

2. Type ssh -Y <yourusername>@viperlogin.hpc.hull.ac.uk

3. The first time you connect to Viper, a message asks if you want to continue connecting. This message appears because Viper has an RSA key that is not stored in your system registry/keychain, the identity of which cannot be verified. Type 'yes' and press enter.

4. Enter your password followed by enter, this will not be echoed to the screen

password:

5. If you have connected successfully you will see the following:

[username@login01 ~]$ 

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