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Host ela
    HostName ela.cscs.ch
    User <username>
    IdentityFile ~/.ssh/cscs-key
    IdentitiesOnly yes

Host daint-ela
    Hostname daint.cscs.ch
    User <username>
    IdentityFile ~/.ssh/cscs-key
    ProxyJump ela
    IdentitiesOnly yes

Host eiger-ela
    Hostname eiger.cscs.ch
    User <username>
    IdentityFile ~/.ssh/cscs-key
    ProxyJump ela

Note:

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    IdentitiesOnly yes

Please note that the ssh config file can be written in many different ways, the template above is for your reference only. In particular:

• The <username>  in the above snippet needs to be configured with your cscs username

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• Adjust to your own preferenceThe naming convention for Host

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• given as daint-ela or eiger-ela

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Please follow the steps below (the first two steps are required if you are connecting for the first time or if the downloaded keys got expired):

1. Log in to the SSHService web application to generate keys and download (or) or download the keys using the sshservice-cli
2. Make sure the downloaded keys are copied to the folder ~/.ssh with names cscs-key  and cscs-key-cert.pub. The permission of cscs-key should be set as 600 
3. Connect to Piz Daint or Eiger via the frontend Ela using the commands below:

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