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habrok:connecting_to_the_system:ssh_key_login [2022/12/14 15:35] – fokkehabrok:connecting_to_the_system:ssh_key_login [2023/03/20 11:55] (current) – admin
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  ssh-keygen -t ed25519 -f ~/.ssh/id_ed25519  ssh-keygen -t ed25519 -f ~/.ssh/id_ed25519
 </code> </code>
-This command can be run from a Linux terminal, OS X terminal or within MobaXterm and has to be run **on your local machine**, not after logging in if you want to use the ssh key from your desktop.+This command can be run from a Linux terminal, an OS X terminal, or within MobaXterm, and it has to be run **on your local machine** (i.e. not on Hábrók!).
  
-After you started the command you will be presented with the following dialog:+After you have executed the command you will be presented with the following dialog:
  
 <code> <code>
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 Your public key has been saved in ~/.ssh/id_25519.pub Your public key has been saved in ~/.ssh/id_25519.pub
 The key fingerprint is: The key fingerprint is:
-SHA256:w2HD3c+ax12jfOfr518emhTT42216RURnEbJbbIDxnQ fokke@skries+SHA256:w2HD3c+ax12jfOfr518emhTT42216RURnEbJbbIDxnQ yourname@yoursystem
 The key's randomart image is: The key's randomart image is:
 +--[ED25519 256]--+ +--[ED25519 256]--+
Line 53: Line 53:
  
 <code bash> <code bash>
-scp .ssh/id_ed25519.pub p12345@habrok.hpc.rug.nl:desktop_key.pub+scp .ssh/id_ed25519.pub p12345@login1.hb.hpc.rug.nl:desktop_key.pub
 </code> </code>
  
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 </code> </code>
  
-The contents of this file have to be added to a file called authorized_keys in the directory .ssh. You have to create the directory .ssh if it is not there. **On Hábrók** the following actions have to be taken.+The contents of this file has to be added to a file called ''authorized_keys'' in a directory named ''.ssh'' in your home directory. You have to create the directory ''.ssh'' if it is not there yet. **On Hábrók** the following actions have to be taken.
  
   - Create the directory if it is not there:   - Create the directory if it is not there:
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 chmod go-rwx .ssh chmod go-rwx .ssh
 </code> </code>
-  - Copy the contents of the public ssh key (copied to desktop_key.pub) to the file authorized_keys+  - Copy the contents of the public ssh key (copied to ''desktop_key.pub'') to the file authorized_keys
 <code bash> <code bash>
 cat desktop_key.pub >> .ssh/authorized_keys cat desktop_key.pub >> .ssh/authorized_keys
 </code> </code>
-  - Set correct permissions on the file authorized_keys+  - Set correct permissions on the file ''authorized_keys''
 <code bash> <code bash>
 chmod go-w .ssh/authorized_keys chmod go-w .ssh/authorized_keys
 </code> </code>
  
-After setting this up in the way described you should be able to login without having to enter a password multiple times. The key manager should ask for your key password only once.+After setting this up in the way described you should be able to log in without having to enter a password multiple times. The key manager should ask for your key password only once.
  
 For this to work correctly in MobaXterm the ''%%use private key%%'' option must be enabled. By default it will use the correct location of the id_ed25519 file.\\ For this to work correctly in MobaXterm the ''%%use private key%%'' option must be enabled. By default it will use the correct location of the id_ed25519 file.\\