ssh_config

ServerAliveInterval 100

Host jupiter
    HostName jupiter.sci.utah.edu
    PreferredAuthentications publickey
    IdentityFile ~/.ssh/id_rsa

Host gunship
    HostName gunship.sci.utah.edu
    PreferredAuthentications publickey
    IdentityFile ~/.ssh/id_rsa

Host mercury
    HostName mercury.sci.utah.edu
    PreferredAuthentications publickey
    IdentityFile ~/.ssh/id_rsa

Host remus
    HostName remus.chpc.utah.edu
    PreferredAuthentications publickey
    IdentityFile ~/.ssh/id_rsa
    User u0033785

Host ash
    HostName ash.chpc.utah.edu
    User u0033785
    ControlMaster auto
    ControlPath /tmp/%r@%h:%p
    ControlPersist 12h

Host ash2
    HostName ash2.chpc.utah.edu
    User u0033785
    ControlMaster auto
    ControlPath /tmp/%r@%h:%p
    ControlPersist 12h

Host magellan
     HostName 140.221.67.181
     PreferredAuthentications publickey
     IdentityFile ~/.ssh/magellan
     User ubuntu

Host cooley
    HostName cooley.alcf.anl.gov
    User camc
    ControlMaster auto
    ControlPath /tmp/%r@%h:%p
    ControlPersist 12h

Host yoga
    HostName yogaisforeveryone.org
    User escapesa
    PreferredAuthentications publickey
    IdentityFile ~/.ssh/id_rsa

Host shell
    HostName shell.cs.utah.edu
    User cchriste
    PreferredAuthentications publickey
    IdentityFile ~/.ssh/id_rsa

Host atlantis
    HostName atlantis.sci.utah.edu
    PreferredAuthentications publickey
    IdentityFile ~/.ssh/id_rsa

Host atlanta
    HostName atlanta.sci.utah.edu
    PreferredAuthentications publickey
    IdentityFile ~/.ssh/id_rsa

Host valhalla
    User cameron
    HostName valhalla.sci.utah.edu
    PreferredAuthentications publickey
    IdentityFile ~/.ssh/id_rsa

Host aurora
    HostName aurora.crsim.utah.edu
    User u0033785

Host surface 
    HostName surface.llnl.gov
    User cchriste
    ControlMaster auto
    ControlPath /tmp/%r@%h:%p
    ControlPersist 12h

Host github
    HostName github.com
    PreferredAuthentications publickey
    IdentityFile ~/.ssh/id_rsa

#from gunship
Host github-taranaki
    HostName github.com
    PreferredAuthentications publickey
    IdentityFile ~/.ssh/gunship
    IdentitiesOnly yes
    # IdentitiesOnly needed to prevent id_rsa from being tried first, see https://stackoverflow.com/questions/4565700/specify-private-ssh-key-to-use-when-executing-shell-command-with-or-without-ruby

#from mercury
Host githubtaranaki
    HostName github.com
    PreferredAuthentications publickey
    IdentityFile ~/.ssh/truecam
    IdentitiesOnly yes
    # IdentitiesOnly needed to prevent id_rsa from being tried first, see https://stackoverflow.com/questions/4565700/specify-private-ssh-key-to-use-when-executing-shell-command-with-or-without-ruby

#from aims2.llnl.gov, and for the record this is the method I most appreciate since I can keep using github.com, but not sure how to share it between hosts in this ssh_config.
# Host github.com
#     HostName github.com
#     PreferredAuthentications publickey
#     IdentityFile ~/.ssh/github-aims2
#     IdentitiesOnly yes

# Host pcmdi11
#     HostName pcmdi11.llnl.gov
#     PreferredAuthentications publickey
#     IdentityFile ~/.ssh/id_rsa
#     User cam

Host shaheen
     HostName shaheen1.hpc.kaust.edu.sa
     PreferredAuthentications publickey
     IdentityFile ~/.ssh/id_rsa
     User cameron

Host neser
     HostName neser.hpc.kaust.edu.sa
     PreferredAuthentications publickey
     IdentityFile ~/.ssh/id_rsa
     User cameron

Host pascucci
     HostName 10.68.59.67
     PreferredAuthentications publickey
     IdentityFile ~/.ssh/id_rsa
     User christct

Host visusmac
     HostName visusmac.sci.utah.edu
     PreferredAuthentications publickey
     IdentityFile ~/.ssh/id_rsa
     User visus

Host k
    HostName k.aics.riken.jp 
    PreferredAuthentications publickey
    IdentityFile ~/.ssh/k
    User a03205

Host uintahwiki
    HostName uintah.sci.utah.edu
    PreferredAuthentications publickey
    IdentityFile ~/.ssh/uintahwiki_rsa
    Port 910

# Host aims2
#     HostName aims2.llnl.gov
#     User christensen41
#     ControlMaster auto
#     ControlPath /tmp/%r@%h:%p
#     ControlPersist 12h

Host greyworm1
    HostName greyworm1.llnl.gov
    User christensen41
    ControlMaster auto
    ControlPath /tmp/%r@%h:%p
    ControlPersist 12h

Host greyworm2
    HostName greyworm2.llnl.gov
    User christensen41
    ControlMaster auto
    ControlPath /tmp/%r@%h:%p
    ControlPersist 12h

Host greyworm3
    HostName greyworm3.llnl.gov
    User christensen41
    ControlMaster auto
    ControlPath /tmp/%r@%h:%p
    ControlPersist 12h

Host greyworm4
    HostName greyworm4.llnl.gov
    User christensen41
    ControlMaster auto
    ControlPath /tmp/%r@%h:%p
    ControlPersist 12h

Host greyworm5
    HostName greyworm5.llnl.gov
    User christensen41
    ControlMaster auto
    ControlPath /tmp/%r@%h:%p
    ControlPersist 12h

Host greyworm6
    HostName greyworm6.llnl.gov
    User christensen41
    ControlMaster auto
    ControlPath /tmp/%r@%h:%p
    ControlPersist 12h

Host greyworm7
    HostName greyworm7.llnl.gov
    User christensen41
    ControlMaster auto
    ControlPath /tmp/%r@%h:%p
    ControlPersist 12h

Host greyworm8
    HostName greyworm8.llnl.gov
    User christensen41
    ControlMaster auto
    ControlPath /tmp/%r@%h:%p
    ControlPersist 12h

#Host corkscrew-atlanta
#     HostName atlanta.sci.utah.edu
#     ProxyCommand corkscrew 172.30.28.50 80 %h %p ~/.ssh/id_rsa

Host feedback
    HostName feedback.llnl.gov
    User christensen41
    PreferredAuthentications publickey
    IdentityFile ~/.ssh/id_rsa

Host cedmav7
    HostName cedmav7.sci.utah.edu
    User cam
    PreferredAuthentications publickey
    IdentityFile ~/.ssh/id_rsa

Host *
IdentityFile ~/.ssh/id_rsa