Update Documentation authored by Peter Heger's avatar Peter Heger
...@@ -118,7 +118,7 @@ You can now send us the **public** key (`id_ed25519.pub`), either as a file or b ...@@ -118,7 +118,7 @@ You can now send us the **public** key (`id_ed25519.pub`), either as a file or b
cat ~/.ssh/id_ed25519.pub cat ~/.ssh/id_ed25519.pub
``` ```
**Please send the public key to:** **hpc-mgr@uni-koeln.de** **Please send the public key to:** **hpc-mgr@uni-koeln.de**
On Ramses, the remote machine, your public key (\*.pub) will be a one-line-item in your `~/.ssh/authorized_keys` file. Together with your matching local private key, it enables ssh-authentication without password-request. On Ramses, the remote machine, your public key (\*.pub) will be a one-line-item in your `~/.ssh/authorized_keys` file. Together with your matching local private key, it enables SSH authentication without password request.
#### 2.2.3 Step 3 (optional): Wanna pass on the passphrase? - Call your agent! #### 2.2.3 Step 3 (optional): Wanna pass on the passphrase? - Call your agent!
`ssh-agent` is a program which can automatically do your authentication when logging in to a remote machine via ssh. Thus, to avoid providing the passphrase during multiple subsequent sessions, you can load the private key into memory using the ssh-agent. `ssh-agent` is a program which can automatically do your authentication when logging in to a remote machine via ssh. Thus, to avoid providing the passphrase during multiple subsequent sessions, you can load the private key into memory using the ssh-agent.
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