Host keys for Euler login nodes
From ScientificComputing
Revision as of 08:53, 26 July 2018 by Byrdeo (talk | contribs) (→How to remove the old key and add the new one)
Introduction
When we replace the login nodes with new ones, then the host keys will change, therefore upon next login, you will receive a message
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY! Someone could be eavesdropping on you right now (man-in-the-middle attack)! It is also possible that a host key has just been changed. The fingerprint for the RSA key sent by the remote host is SHA256:qdZ/jPc7HODpO2BmCtJxO51jFZVt1t6fjjbtiUAZemI. Please contact your system administrator. Add correct host key in /path/to/your/home/.ssh/known_hosts to get rid of this message. Offending RSA key in /path/to/your/home/.ssh/known_hosts:252 RSA host key for euler.ethz.ch has changed and you have requested strict checking. Host key verification failed.
Currently valid keys
Please find below the list of the currently valid host keys
- ED25519 : MD5:2f:c3:be:36:60:86:28:34:d8:4e:cb:27:66:66:25:a4
- ED25519 : SHA256:cbQ9er7E8tFacneNGj2ze09bQUapCuUni5JMiF+wH0A
- RSA : MD5:ab:4b:dd:24:2a:22:eb:5a:74:2a:72:ed:9c:d1:ad:6f
- RSA : SHA256:qdZ/jPc7HODpO2BmCtJxO51jFZVt1t6fjjbtiUAZemI
How to remove the old key and add the new one
Please remove the old host key with the following command
ssh-keygen -R euler.ethz.ch
