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Log in on the following CCDB web site:
https://ccdb.alliancecan.ca/ssh_authorized_keys
Paste In the box in which you are supposed to copy your public SSH key (the content of the file ending on *.pub) in the field indicated. Then precede what you just pasted by"Your key will typically start with ..." resp. "Le début de la clé est habituellement ...") first enter the following:
| Volet |
|---|
| restrict,from="IP_address",command="command" |
Where "IP_address" is the IP address from which you want to connect and "command" is the command you would like to execute. The Alliance already provides a number of wrapper scripts which allow common actions. Have a look at their wiki: Automation in the context of multifactor authentication under "Convenience wrapper scripts to use for command=".
Just after the above, only separated by a space, copy-paste the content of your public SSH key (the content of the file ending on *.pub).
For example, if you want to do automated transfers from Narval to UQAM or vice versa, you should put something like:
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