Mastering SaltStack
SaltStackisknownasapopularconfigurationmanagementsystem,butthatbarelyscratchesthesurface.Itis,infact,apowerfulautomationsuite,whichisdesignednotonlytohelpyoumanageyourservers,buttohelpthemmanagethemselves.SaltStackisusedworldwidebyorganizationsrangingfromjustafewservers,totensofthousandsofnodesacrossdatacentersinmultiplecontinents.Thisaward-winningsoftwareisfastbecomingthestandardforsystemsmanagementinthecloudworld.ThisbookwilltakeyouthroughtheadvancedfeaturesofSaltStack,bringingforwardcapabilitiesthatwillhelpyouexcelinthemanagementofyourservers.Youwillbetakenthroughthethemindofthemodernsystemsengineer,anddiscoverhowtheyuseSalttomanagetheirinfrastructures,andwhythosedesigndecisionsaresoimportant.TheinnerworkingsofSaltwillbeexplored,sothatasyouadvanceyourknowledgeofSalt,youwillbeabletoswimwiththecurrent,ratherthanagainstit.VarioussubsystemsofSaltareexplainedindetail,includingSaltSSH,SaltCloud,andexternalpillars,filesystems,andjobcaches.Youwillbetakenthroughanin-depthdiscussionofhowtoeffectivelyscaleSalttomanagethousandsofmachines,andhowtotroubleshootissueswhenthingsdon'tgoexactlythewayyouexpectthemto.YouwillalsobetakenthroughanoverviewofRAET,Salt'snewtransportprotocol,andgivenaninsightintohowthistechnologyimprovesSalt,andthepossibilitiesthatitbringswithit.
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