SSH across different login nodes in HPCC.

AHPCC has three login nodes. I used screen all the time. But the login nodes were randomly assigned. Sometimes, I need to check all the screen sessions at each login node.

To avoid input annoying password every time switch to other login nodes, I used the following way. (Got help from Pawel)

In the ~/.ssh folder, generate your own ssh-key (check my previous post please). Then

cat id_rsa.pub >> authorized_keys

That’s all.

Enjoy!

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