Cayuga Cluster

This is a private cluster, accessible to only users in cayuga_xxxx projects.

Access to the Cayuga cluster is restricted to connections from the Cornell Ithaca or Weill VPNs

Please email scu@med.cornell.edu with requests for cayuga cluster.

The below has documentation how to set up your access. This will only work if you have been ‘approved’ on our end.

https://www.cac.cornell.edu/techdocs/clusters/cayuga/

You will follow the steps for setting up your access

For Steps 10 - 12 --- On Mac Terminal

Please note that you do not have to name your key as keyfile-private-file

scicomp@MAC2024 ~ % 

scicomp@MAC2024 ~ % ls -ld ~/.ssh  #Confirm you have a .ssh directory - in this example we have a .ssh 

drwx------  10 scicomp  staff  320 Sep  4 14:38 /Users/scicomp/.ssh
#If you DO NOT have an output as above use command mkdir ~/.ssh

scicomp@MAC2024 ~ % cd .ssh

scicomp@MAC2024 .ssh % vim keyfile-private-file
#other commands: touch keyfile-private-file or nano keyfile-private-file
# chmod 600 ~/.ssh/keyfile-private-file

scicomp@MAC2024 .ssh % ls -l
-rw-------  1 scicomp  staff    420 May  9  2024 keyfile-private-file

#permissions have been change.
#Your login will fail if your permissons are not as stated above.

scicomp@MAC2024 ~ % ssh -i ~/.ssh/<keyfile-private-file> <cwid>@cayuga-login1.cac.cornell.edu 
#If you're not in the .ssh directory you will need the full path to the key

Using Vim in this example	Inputting keys and saving file

Config file

Add to or create a new file on your laptop to add the login nodes and all hosts ~/.ssh/config

On Mac Terminal

scicomp@MAC2024 ~ % 
scicomp@MAC2024 ~ % cd .ssh
scicomp@MAC2024 .ssh % ls  #check what is listed below if there is anything
scicomp@MAC2024 .ssh % vim config

Editing your config file

 Host cayuga-login1
   Hostname cayuga-login1.cac.cornell.edu
   IdentityFile ~/.ssh/your_cayuga_key
   User your_cwid
 Host c00*
   IdentityFile ~/.ssh/your_cayuga_key
   User your_cwid
   ProxyCommand ssh -i .ssh/your_key_name -W %h:%p cayuga-login1

In your chosen text editor you will save the file

wiki

Cayuga Cluster

Analytics

Config file

Related content