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Checklist for System Upgrades - items to be retained when upgrading servers

  • host ssh keys
  • /etc/fstab
  • /etc/sudoers
  • user crontab entries
  • user kcron files
  • open file limit (ulimit -n) to at least 4096
  • ganglia monitoring
These items are probably obsolete in 2015
  • /local/scratch* files on minos50-53
  • /etc/init.d local files ( formerly condor or mysql )
  • host grid certificates