SSH-configuration.md

+To run the testsuite, you will need access to marenostrum through ssh, with an ssh key configured and installed on marenostrum.
+
+To proceed on a Linux distribution:
+
+### Generate an ssh key
+
+Type this command and accept the default options if you don't have any key installed. Don't put password, or it won't work with the testsuite.
+
+```ssh
+ssh-keygen
+```
+
+### Install your key on marenostrum
+
+```
+ssh-copy-id bsc21xxx@mn1.bsc.es
+```
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