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How to log into dsfr5 and dseb7 at LNGS

Please see the latest port numbers to use at the bottom of this page

To log into teststand nodes dsfr5 and dseb7 at LNGS from Fermilab, please first provide an ssh key to Lynn so that she can install it on those remote systems. (Instructions for generating an SSH key are included below.)

Then, logging in consists of adding the necessary ssh key to your keychain
  • for example
    • ssh-agent bash
    • ssh-add [path-to-key]
and then running one of the following commands, depending in which remote node you want to log into:
  • ssh -p 2105 username@ds50tb.lngs.infn.it # dsfr5
  • ssh -p 2007 username@ds50tb.lngs.infn.it # dseb7

The configuration of the teststand system at LNGS consists of a router (named ds50tb.lngs.infn.it) that provides isolation (private network) for dsfr5 and dseb7. The tunnel port that you use in the commands listed above determines which node you are forwarded to (dsfr5 or dseb7). Access to those nodes is controlled by the ssh key.

Generate an SSH key

To generate your SSH key:
  • 'cd $HOME'
  • 'mkdir .ssh' (if needed)
  • 'cd .ssh'
  • 'ssh-keygen'
    • enter a non-empty passphrase when prompted

Port assignments for LNGS hosts as of 08-Mar-2013

alias dsfr5="ssh -X -p 2105 <username>@ds50tb.lngs.infn.it"
alias dseb7="ssh -X -p 2007 <username>@ds50tb.lngs.infn.it"
alias dsfr1="ssh -X -p 2021 ds50daq.lngs.infn.it"
alias dsfr2="ssh -X -p 2022 ds50daq.lngs.infn.it"
alias dsfr3="ssh -X -p 2023 ds50daq.lngs.infn.it"
alias dsfr4="ssh -X -p 2024 ds50daq.lngs.infn.it"
alias dseb1="ssh -X -p 2001 ds50daq.lngs.infn.it"
alias dseb2="ssh -X -p 2002 ds50daq.lngs.infn.it"
alias dseb3="ssh -X -p 2003 ds50daq.lngs.infn.it"
alias dseb4="ssh -X -p 2004 ds50daq.lngs.infn.it"
alias dseb5="ssh -X -p 2005 ds50daq.lngs.infn.it"
alias dsag="ssh -X -p 2100 ds50daq.lngs.infn.it"