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Technical Note

Installing and Configuring

Linux Guest Operating Systems

VMware® Infrastructure 3

DatacenterstodayhaveamixofWindowsandLinuxworkloads.IDCestimatesin2008that68percentofall

physicalserversshippedareWindows‐based,comparedto23percentthatareLinux‐based.However,the

proliferationofLinuxenvironmentsissteadilyincreasing.From2006to2011,IDCforecaststhecompounded

annual

growthrate(CAGR)ofphysicalserverunitsrunningLinuxat28.1percent,withWindowstrailingat

25.0percent.AsmoredatacentersarevirtualizedwithVMwareInfrastructure3,itmakessensethatthese

virtualizedenvironmentsarealsotrendingtowardsincreaseduseofLinux.TheCAGRofvirtualserverunits

runningLinux

isforecastedbyIDCat44.1percent,withWindowsbehindat39.0percent.Linuxoperating

systemsnowhostapplicationsfromdatabasestoWebserverstoapplicationservers,muchastheirWindows

counterpartsdo.Linuxguestoperatingsystemsarehere,andVMwareisdedicatedtosupportingthem.

Thistechnicalnotedescribesinstalling,

configuring,updating,andadministeringLinuxguestoperating

systemsinvirtualmachinesrunningonVMwareInfrastructure3version3.5(specificallyVMware

VirtualCenter2.5Update2andVMwareESX3.5Update2).Inaddition,thisnoteincludesacollectionofuseful

tipsandtricksinfine‐tuningyourLinuxvirtualmachines,whichmay

ormaynotapplytoallyourLinuxusage

scenarios.AlthoughtherecommendationsinthispaperapplytomostLinuxdistributions,theyaretailored

specificallytoRedHatEnterpriseLinux5.IDCobservedin2007thatofallpaidLinuxsubscriptions,RedHat

EnterpriseLinuxcameinat62.1percent

andNovellSUSELinuxEnterpriseServerplacedsecondat29percent.

LinuxadministratorscanusethispaperasasourceforguidelineswhenbuildingandmaintainingLinux

virtualmachinesintheirVMwareInfrastructureenvironments.SomeworkingknowledgeofVirtualCenter2.5

Update2,ESX3.5Update2,andLinuxoperatingsystemsis

required.

Thistechnicalnotecoversthefollowingtopics:

 “LinuxSupportonVMwareESX”onpage 2

 “InstallingLinuxinaVirtualMachine”onpage 2

 “InstallingandUpgradingVMwareTools”onpage 4

 “CloningaLinuxGuestOperatingSystem”onpage 9

 “VMwareUpdateManager”onpage 11

 “LinuxTimeSynchronizationRecommendations”onpage 12

 “A d d i t i o n a l Notes”onpage 15

 “Resources”onpage 19

 “AppendixA:LinuxVersionsSupportedonESXServer”onpage 20

 “AppendixB:Command‐LineOptionsforVMw areToolsUpgrades”onpage 21

 “AppendixC:EnablingVMIinaLinuxKernelandinESX3.5”onpage 22

1 2 3 4 5 6 ... 22 23

Résumé du contenu

Page 1 - Linux Guest Operating Systems

Page 2 - Linux Support on VMware ESX

Page 3 - Choosing a Kernel

Page 4

Page 5

Page 6

Page 7 - Verifying VMware Tools Setup

Page 8 - VMware Tools Upgrades

Page 9

Page 10

Page 11 - VMware Update Manager

Page 12 - Editing Kernel Configuration

Page 13

Page 14 - NTP Recommendations

Page 15 - Additional Notes

Page 16 - Asynchronous I/O

23Installing and Configuring Linux Guest Operating Systems If you have comments about this documentation, submit your feedback to: docfeedback@vmwar

Page 17 - Linux Swappiness

Page 18 - VMI Performance Benefits

Page 19 - Resources

Page 20

Page 21

Page 22 - Enabling VMI in ESX 3.5

Page 23 - VMI Timer active

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