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Installing and Configuring Linux Guest Operating Systems

OnIntelplatforms,64‐bitguestscanberunonlywithhardwareassist(IntelVT).OnAMDplatforms64‐bit

guestscanberuneitherwithhardwareassist(AMD‐V)orusingbinarytranslation.AVTvirtualmachine

monitorincurslessoverheadonthenewerIntelCore2processorsthanon

theolderPentium4processors.If

youhaveachoicebetweena32‐bitor64‐bitguest,selectthe32‐bitguestonolderIntelplatforms(Pentium4).

A64‐bitguestisabetterchoicefornewerIntelplatformsandforguestoperatingsystemsthataccessalarge

amountofmemory(morethan4GB),because64‐bitkernelscanaddresstheentirememoryspacewithout

complexmemorymanagementoverhead.Also,theVTmonitorfor64‐bitguestsworksfasteronnewerIntel

processorsthantheolderPentium4processors.

ThetablesbelowhighlightthemainRedHatEnterpriseLinux.

kernelpackagesandwhattheycontain.Seethe

respectiveURLlinksforfulldetailsonallavailablekernelpackagesforeachversionofRedHatEnterprise

Linux.

The64‐bitkernelscanaddresstheentirememoryspaceinthevirtualmachinedirectlyanddonotneeda

specialmemorymanagementkernel.

Installing and Upgrading VMware Tools

VMwareToolsisasuiteofutilitiesthatenhancestheperformanceofavirtualmachine’sguestoperating

systemandimprovesmanagementofthevirtualmachine.InstallingVMwareToolsintheguestoperating

systemisvital.AlthoughtheguestoperatingsystemcanrunwithoutVMwareTools,youloseimportant

functionalityandconvenience.

See“OpenVirtualMachineTools”onpage 19forinformationonanopen

sourceprojectthatallowstheuse,modification,andredistributionofmostofthecomponentsofVMware

Tools.

ThefollowingareinstalledwithVMwareTools:

 TheVMwareToolsservice(vmware-guestdonLinuxguests).Thisservicesynchronizesthetimeinthe

guestoperatingsystemwiththetimeinESX.

 AsetofVMwaredevicedrivers,includinganSVGAdisplaydriver,thevmxnetacceleratednetworking

driver(asdescribedin“MajorComponentsInstalledbyVMwareTools”onpage 8),theBusLogicSCSI

driver(asdescribedin“InstallingLinuxinaVirtualMachine”onpage 2),thememorycontroldriverfor

efficientmemoryallocationbetween

virtualmachines,thesyncdrivertoquiesceI/OforVMware

ConsolidatedBackup,andtheVMwaremousedriver.

Table 1. Red Hat Enterprise Linux 5.2 Kernel RPM Descriptions

Information link https://www.redhat.com/docs/en‐US/Red_Hat_Enterprise_Linux/5.2/html/Deployment_Guide/s1‐

kernel‐packages.html

Kernel RPMs

 kernel=UP,SMP,non‐PAE(4G)

 kernel‐PAE=SMP,PAE(upto64G)

Table 2. Red Hat Enterprise Linux 4 Kernel RPM Descriptions

Information link https://www.redhat.com/docs/manuals/enterprise/RHEL‐4‐Manual/en‐US/System_Administration

_Guide_/Manually_Upgrading_the_Kernel‐Overview_of_Kernel_Packages.html

Kernel RPMs

 kernel=UP,SMP,non‐PAE(4G)

 kernel‐hugemem(notsupported)=SMP,PAE(upto64G),4G/4Gsplit

 kernel‐smp=SMP,PAE(upto16G)

Table 3. Red Hat Enterprise Linux 3 Kernel RPM Descriptions

Information link https://www.redhat.com/docs/manuals/enterprise/RHEL‐3‐Manual/sysadmin‐guide/ch‐kernel.htm

l#S1‐KERNEL‐PACKAGES

Kernel RPMs

 kernel=UP,SMP,non‐PAE(4G)

 kernel‐hugemem(notsupported)=SMP,PAE(upto64G),4G/4G

 kernel‐smp=SMP,PAE(upto16G)

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