How to create a SSH-Key for your account login

If you are reading this blog, it is very likely that you are trying to login to your computing cluster. To be able to login to your computing cluster, you would need to create an account and corresponding ssh keys.

To create an account, you should contact the system-administrator assigned to you. Once you have created an account, you can follow the procedure below to setup your ssh key to be able to login to your computing cluster -

• Generate your ssh keypair You can use the '-t' flag to specify the type of key you want to generate.

ssh-keygen -t rsa

or, you can also specify the length (bit size) of the ssh key using the '-b' flag.

ssh-keygen -t rsa -b 2048

• Copy the public key to your computing cluster.

ssh-copy-id -i ~/.ssh/<key> -P XXXX <user>@<serverName>.uni-datacenter.com

Once you have copied your ssh key to your computing cluster, you can now easily login.

If you have any queries or problems related to logging into your computing space, please contact cluster-admin@uni-datacenter.com.