Resolving login issues with SSH and OpenOnDemand
When accessing the TU/e Umbrella HPC Cluster, you might encounter login issues. This guide provides a step-by-step approach to resolving them.
1. Ensure you are on the TU/e network
Access to the TU/e Umbrella HPC Cluster requires you to be connected to the TU/e network.
For this you'll need either to be on campus, or connect to TU/e VPN Services.
2. Check the address
Ensure you are using the correct address for accessing the HPC resources.
For OpenOnDemand ensure you're using https://hpc.tue.nl. When using SSH, the command should be similar to one of the following:
ssh USERNAME@hpc.tue.nl
ssh hpc.tue.nl -l USERNAME
# USERNAME needs to be replaced with your actual username (also see: 3. Verify your username)
3. Verify your username
Your username should be your TU/e network name. This is (usually) a numeric ID. Double-check for typos or incorrect capitalization.
Valid Usernames
Most users have a 8-digit numeric ID as username, but for historical reasons you may still have a "s" (student number) or a named username.
-
Numerical Accounts (8 digits)
20191262,20243781, etc... -
Student Accounts (s-number)
s160320,s168334, etc... -
Named Accounts
rzoontjens,ahoof, etc...
Invalid Username
-
E-mail addresses can't be used
- l.s.surname@tue.nl
- l.s.surname@student.tue.nl
-
Usernames can't contain pre- or suffixes
- TUE\20191262
- 20191262@TUE
4. Verify your password
Make sure you are entering the correct password. This should be the same password you use for other TU/e services (TU/e laptop, Microsoft 365) If you suspect the password might be incorrect:
- Try logging into another TU/e service to confirm it's working.
- If necessary, reset your TU/e password.
5. Check for expired accounts
Typically, Umbrella HPC accounts expire about a year after the initial request and needs periodic renewal to ensure your account remains active. Account renewals can be requested through our Service Portal.