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en:services:application_services:high_performance_computing:connect_with_ssh [2023/12/13 16:06] – [Upload SSH Public Key] meulert1en:services:application_services:high_performance_computing:connect_with_ssh [2024/02/14 11:22] – [Creating SSH Keys] update key length mluetti2
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 ===== Creating SSH Keys ===== ===== Creating SSH Keys =====
  
-On Linux, macOS and the latest Windows 10 Versions SSH is already built in. A key can be generated with the command ''ssh-keygen -t rsa -b 2048 -f <yourkey>''. As soon as you enter the command you will be asked to secure the key with a passphrase. Please do not use keys without a passphrase to log in to our systems.+On Linux, macOS and the latest Windows 10 Versions SSH is already built in. A key can be generated with the command ''ssh-keygen -t rsa -b 4096 -f <yourkey>''. As soon as you enter the command you will be asked to secure the key with a passphrase. Please do not use keys without a passphrase to log in to our systems.
 <code> <code>
-PS C:\Users\win10-virtual> ssh-keygen -t rsa -b 2048+PS C:\Users\win10-virtual> ssh-keygen -t rsa -b 4096
 Generating public/private rsa key pair. Generating public/private rsa key pair.
 Enter file in which to save the key (C:\Users\win10-virtual/.ssh/id_rsa): Enter file in which to save the key (C:\Users\win10-virtual/.ssh/id_rsa):
 Created directory 'C:\Users\win10-virtual/.ssh'. Created directory 'C:\Users\win10-virtual/.ssh'.
-Enter passphrase (empty for no passphrase): +Enter passphrase (empty for no passphrase): ****************** 
-Enter same passphrase again:+Enter same passphrase again: ******************
 Your identification has been saved in C:\Users\win10-virtual/.ssh/id_rsa. Your identification has been saved in C:\Users\win10-virtual/.ssh/id_rsa.
 Your public key has been saved in C:\Users\win10-virtual/.ssh/id_rsa.pub. Your public key has been saved in C:\Users\win10-virtual/.ssh/id_rsa.pub.
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 SHA256:JIFSfI6/QBdnUaVsjKdHIfCqw1yjZyk96KDp07MlvbM win10-virtual@DESKTOP-N8DT68R SHA256:JIFSfI6/QBdnUaVsjKdHIfCqw1yjZyk96KDp07MlvbM win10-virtual@DESKTOP-N8DT68R
 The key's randomart image is: The key's randomart image is:
-+---[RSA 2048]----+++---[RSA 4096]----+
 |   o..o.ooo..    | |   o..o.ooo..    |
 |  . o ooo= o     | |  . o ooo= o     |
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 ===== Upload SSH Public Key ===== ===== Upload SSH Public Key =====
 To upload a key, please log into your account on the [[https://id.academiccloud.de|My AcademicID]] portal and open the "SECURITY" tab. Then scroll down to "SSH PUBLIC KEYS" and click "ADD SSH PUBLIC KEY". You can now add a **public** key. \\ To upload a key, please log into your account on the [[https://id.academiccloud.de|My AcademicID]] portal and open the "SECURITY" tab. Then scroll down to "SSH PUBLIC KEYS" and click "ADD SSH PUBLIC KEY". You can now add a **public** key. \\
-**Note:** If you copy your public key from a text editor or a terminal, please make sure that your editor or your terminal does not insert any linebreaks, because this will make the copy of your public key invalid.\\+**Note:** If you copy your public key from a text editor or a terminal, please make sure that your editor or terminal does not insert any linebreaks, because this will make the copy of your public key invalid.\\
 \\ \\
 **<wrap em>Important</wrap>** It can take up to 10-60 minutes until the key is synchronised with the systems. If the login does not work, be patient and try again later. **<wrap em>Important</wrap>** It can take up to 10-60 minutes until the key is synchronised with the systems. If the login does not work, be patient and try again later.