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Warning

After a recent update of hpc-login ecs-login and other aliases, their host key has changed. You may get the following error when connecting:

No Format
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@ WARNING: POSSIBLE DNS SPOOFING DETECTED! @
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
The ECDSA host key for hpc-login has changed,
and the key for the corresponding IP address 10.100.192.100
is unknown. This could either mean that
DNS SPOOFING is happening or the IP address for the host
and its host key have changed at the same time.
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@ 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 ECDSA key sent by the remote host is
SHA256:QdNPyN2jAR5m7ngLbtIUjc2JgzknvFP2flMOGbd1i5k.
Please contact your system administrator.
Add correct host key in /home/user/.ssh/known_hosts to get rid of this message.
Offending ECDSA key in /home/user/.ssh/known_hosts:4
ECDSA host key for hpc-login has changed and you have requested strict checking.
Host key verification failed.

It is safe to accept the new key. We are working on a permanent solution to avoid this problem in the future, but you will need to remove the corresponding entry for hpc-login or ecs-login on your ~/ssh/known_hosts file and add the new one by connecting again.

You can connect for the first time via time via SSH from another ECMWF platform. If you do so from ECGATE or the Cray HPCF you will not need a password to log in.

...

You can use the hpc-* or hpc2020-* names in the table below if you just need to use the default HPCF complex, or the specific names for each of the complexes. For ECS, you may use the ecs-* names. Your usual interface to connect would be the *-login names, and for remote submission of jobs we would recommend using the *-batch names as they are dedicated login nodes for job submissions. If you need to set up a cronjob, then the *-cron names are to be used.


Generic namesPer-complex
HPCF Interactive Login

hpc-login

hpc2020-login

aa-login

ab-login

ac-login

ad-login

ECS Interactive Loginecs-loginecs-login
HPCF Remote batch job submission

hpc-batch

hpc2020-batch

aa-batch

ab-batch

ac-batch

ad-batch

ecs-batch

ECS Remote batch job submissionecs-batchecs-batch
HPCF Cron jobs

hpc-cron

hpc2020-cron

-
ECS Cron jobsecs-cron-

Password-less access from / to other platforms

...