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O2 cluster logins originating from outside of the HMS network require two-factor authentication.
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If you do not currently have an O2 account and would like to request one, please visit How to request an O2 Account.
Note: the "HMS ID" was formerly known as an "eCommons ID"
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Open the Terminal application (found through Applications > Utilities). Enter the ssh command with your eCommons HMS ID in lowercase (e.g. abc123), and press enter. When prompted, enter your HMS ID password.
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Open the MobaXterm software and enter the ssh command with your eCommons HMS ID in lowercase (e.g. abc123), and press enter. When prompted, enter your HMS ID password.
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Open the PuTTY software and enter the ssh command with your eCommons in in the Host Name field enter your HMS ID and O2 hostname in the form of: lowercase@o2.hms.harvard.edu.
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If you need X11 support, on the left panel, select Connection->SSH->Auth-X11, click the check box for "Enable X11 forwarding".
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Please do NOT send us or anyone else your password. Ever. We can assist you without knowing your password, and sharing accounts on the cluster is prohibited by Harvard security policy.
If you're having difficulty logging in to O2, make sure check that you're using your HMS ID username and eCommons password. Your HMS ID must be in lowercase. If that does not resolve the problem, then try logging in to password and that the username has all lowercase letters. To change your HMS ID password, unlock your HMS ID or check whether it is locked, please see the following page: https://myaccountit.hms.harvard.edu. Contact the /i-want/reset-password-or-unlock-your-hms-account
Otherwise you can contact the HMS IT Service Desk (itservicedesk@hms.harvard.edu, or 617-432-2000) if you're unable to login to the eCommons website. Your eCommons may have been locked due to too many failed login attempts to the O2 cluster. Once you are able to login to eCommons, wait 1 hour and try logging in to O2 againto resolve HMS ID account issues.
Your HMS DUO profile can, separately, also get locked due to multiple failed login attempts. If this happens, HMS DUO profiles should auto-unlock after 1 hour. If you're still facing problems, then send in a ticket to usHMS Research Computing.
If you are experiencing massive latency logging in and are a frequent user of conda, you may want to refer to https://harvardmed.atlassian.net/wiki/spaces/O2/pages/1594263516/Conda+on+O2#Usage-of-conda-init .