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1. Check if you have an existing rsa key pair on other ECMWF platforms:

   No Format
   $> ls ~/.ssh/id_rsa* ~/.ssh/id_rsa ~/.ssh/id_rsa.pub

   If you don't, you may generate them like so:

   No Format
   $> ssh-keygen -t rsa # press 'enter' 3 more times

   
   

2. Make sure it is added into the different platforms to be used

   Note
   If the key was already present in the ~/.ssh/authorized_keys file, it will be duplicated.

   
   

   No Format
   $> ssh-copy-id -i ~/.ssh/id_rsa.pub ecgate $> ssh-copy-id -i ~/.ssh/id_rsa.pub cca $> ssh-copy-id -i ~/.ssh/id_rsa.pub aa # or for users with no formal access to HPC service: $> ssh-copy-id -i ~/.ssh/id_rsa.pub aaecs

   
   

3. Copy also your private key onto those platforms so you can make the connections in both directions:

   No Format
   $> rsync -av ~/.ssh/id_rsa cca:.ssh/ $> rsync -av ~/.ssh/id_rsa aa:.ssh/ # or for users with no formal access to HPC service: $> rsync -av ~/.ssh/id_rsa ecs:.ssh/

   
   

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