OReilly.Learning.Puppet.4.pdf
Twentyyearsago,itwascommonforasingleservertoprovideservicesforhundredsofusers.Asystemadministratorwasoftenresponsibleforasfewas10servers.Mostpeopleusedonlyonecomputer.In2015,itiscommonforanormal,everydaypersontoownandutilizemorethanfivehighlyadvancedandcapablecomputers.Thinka
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