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Code Block
languagebash
titleExample snippet of ~/.ssh/config with chained ProxyJump
collapsetrue
Host aa aa.ecmwf.int ecs ecs.ecmwf.int
    User yourusername
    ForwardX11 yes
    ForwardX11Timeout 0
    ServerAliveInterval 60
    TCPKeepAlive yes
    # Temporary extra jump through ecgate until direct access is sorted
    ProxyJump shell.ecmwf.int,ecgate


Tip
titlePasswordless access with Teleport

If you wish to have passwordless access, you will need to add the following entry to your ~/.ssh/authorized_keys on the Atos HPCF:

No Format
cert-authority ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC2QE49QKUUtlB4dakthb8yEV+oURpP6tZ4OtYNvItXRopxehywR2Dckx/FU4hAM3kMC2seG1bKZLCiSAK1srRwFZcc5QjWyNd7DzJerwe2jTy09/fFWPVB4cHA1UfQwhs/8s0Cl/pMIddpDYy1sGUzndX82L6C9DcnNKJcFyFpZnjTHpEgX7JWlp30py4aj3d7LgmgqYbng26fl0mWcDjV1R8rC6xz0IpZ50AzTAxk9ZWObOBNRq9gp62W6u6UenKuhycnnu4JSKE3mCS/LSGOQ2uvPyecMol4kz+IMvrtm0xqta2c+7wdcZu3tZk+oTCSsTK+9lR3KlF3iDO3XAznclustername=shell.ecmwf.int&type=user

Alternatively, if you have an ssh key pair on your end user device, you could also add your public key into ~/.ssh/authorized_keys on the Atos HPCF for the same effect.


Direct  Direct access from outside ECMWF through ECACCESS is not available. You must choose a valid host such as ecgate, and once there ssh into the desired host.

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