Accessing MOGON

Essentially only accounts of the Johannes Gutenberg University can get access.

  • External users can approach us to retrieve more information concerning so-called guest accounts.
  • Internal groups with external members should approach their person in charge of accounts at the deanery of your faculty or at the secretariat of the respective institution.
Since the MOGON clusters are Linux-based systems, remote access is granted via Secure Shell (SSH). To access MOGON please refer to the instructions for:

The latter link contains information for accessing MOGON with PuTTY, MobaXterm and PowerShell.

The service nodes of MOGON are listed below.


Only password-less login is available. You need to have your SSH-Key uploaded on to be able to log in to MOGON1).

Your SSH-Key is automatically added to the MOGON cluster. Would You Like To Know More? Read this Article!

MOGON Service Nodes Overiew

Service Node FQDN Description
login21 Login Node
login22 Login Node
login23 Login Node
hpcgate Jump Host

Service-Node FQDN

If you access MOGON Service-Nodes through the HPCGATE you can omit, e.g.: for login21 miil01 is sufficient.

SSH Fingerprints

Jumphost hpcgate
Cipher Fingerprint
RSA MD5:92:8b:0d:af:53:27:09:b9:c0:13:a5:7c:47:5f:18:10
ECDSA MD5:e9:d9:54:5d:a3:ba:0e:d5:ce:e5:02:c0:70:8e:05:d2
ED25519 MD5:63:67:65:76:5f:ad:fb:20:f2:68:92:cf:d5:49:2c:dc
Service Node login21-23
Cipher Fingerprint
RSA MD5:39:38:c3:a0:3b:a4:7b:13:03:88:70:35:ca:3c:bd:48
ECDSA MD5:da:e8:86:93:88:99:44:a5:1a:fb:5d:43:00:23:cc:08
ED25519 MD5:68:e5:29:01:18:93:de:f4:0e:e0:54:48:1e:10:ed:51

SSH-Keys for MOGON require certain information in the comment of the SSH-Key that describes the purpose of the Key. The information is catched by a script and ensures that you can access MOGON correctly.

MOGON SSH-Key comment additions

Make sure you add the following strings to your SSH-Key as part of your comment, to specify the purpose:
Purpose Comment String related to MOGON Access
Using the jump host hpcgate HPCGATE
Log in to MOGON service nodes HPCLOGIN

Set up SSH-Keys for MOGON using Linux or macOS

We have created an article for you here that explains how to create new SSH-Keys using Linux or macOS.

Set up SSH-Keys for MOGON using Windows

We have created an article for you here that explains various ways to create new SSH-Keys using Windows, including PuTTY, MobaXterm and PowerShell.

A neat overview on ssh-keys and how to generate and copy them can be found here. Or you can follow our guideline
  • start/mogon_cluster/access.txt
  • Last modified: 2021/10/22 16:46
  • by pkeller2