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Check out the wiki of The Alliance: Multifactor authentication
GEM runners
When submitting anything on clusters of The Alliance with "soumet" you will get asked to authenticate. Until I find why this is the case I suggest you add the following lines to your ~/.ssh/config on Narval:
| Volet |
|---|
| Host localhost ControlPath ~/.ssh/cm-%r@%h:%p ControlMaster auto ControlPersist 10000000m |
With that one will get ask once every 19 years on each machine (narval1, narval2, ...) to authenticate when submitting a job with soumet.
Automated workflows
This refers to connections to clusters of The Alliance for which you are not around to authenticate yourself. For example, automated nightly data transfers or job checks with crontabs.
Have a look at the official wiki page of The Alliance:
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