Posts tagged ssh

How do I log into the same login node I used before

levante.dkrz.de maps to a whole group of nodes to distribute the load:

All login nodes share the same file system so most of the time you do not have to care which node you are on. However, there are reasons why you may want to connect to a specific node. You first have to find out on which node you are. This may be indicated in your prompt or you can also use hostname for this purpose:

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How to prevent interuptions of ssh connections to DKRZ systems?

If your ssh connections to login nodes are interrupted after short periods without any keyboard activitiy and you get an error message containing the string “broken pipe”, try to set the ServerAliveInterval parameter appropriately.

On Linux and macOS systems with the OpenSSH implementation there is essentially two methods to adjust this client setting. First, it can be set as a command-line option to ssh:

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