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An SSH key pair consists of a public key and a private key. The public key is used to encrypt messages. Such messages can only be decrypted using the corresponding private key. For this reason the private key must be stored safely on the local machine - protected by a passphrase, and not accessible by other users.
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Create a SSH key
Generating your key pair differs depending on the SSH implementation available on your local machine. The default with Linux and MacOS is OpenSSH. This is also available (without extra installation) in more recent versions of Windows.
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PuTTY changed its default key file format in version 0.75 from PPK2 to PPK3. This is not an issue as long as you use a PuTTY version, or software using PuTTY in its core, greater 0.75 |
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SSH public key upload
Before you can log in to one of the NHR@ZIB login nodes, make sure you have uploaded your SSH public key (not the private one) at the Portal NHR@ZIB. Here you can also view or remove public keys uploaded earlier (if any).
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Directory At least with Safari you can press Also, you can press Or, another workaround: copy your public key file to a path not containing any hidden files/directories. |
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Login using SSH
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keys
For external connections to the NHR@ZIB login nodes the private key of the SSH key pair is needed. Recall the name and the location (see above) of the file containing the private key.
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