Cluster: use BEAM with Lawrencium cluster

[nikolayilyin]

To authorize: login: [login], password: [pin code]+[one-time password] Both login and pin code are set during initial user setup, one-time passwords are generated each time with an application for that, i.e. "google authenticator"

SSH in browser window: https://lrc-ondemand.lbl.gov/pun/sys/shell/ssh/default

Documentation: https://it.lbl.gov/resource/hpc/for-users/