配置NX远程桌面Word格式文档下载.docx

配置NX远程桌面Word格式文档下载.docx

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Introduction

Inmostcases,theLinuxserversIsetupas 

AmazonEC2 

instancesareusedtohosttheOracledatabasesoftwareandonlyrequireuseoftheoperatingsystemCommand-LineInterface（CLI）.ThisisbeneficialbecauseIonlyneedregisteranAmazonMachineImage（AMI）witha 

Minimal 

or 

BasicServer 

OSinstallationandcanaddonlythoserequiredLinuxpackagesneededtosupportthedatabase.However,therearesituationswhereIneedtoaccessagraphicaldesktopinordertoinstallorruncertainGraphicalUserInterface（GUI）applications.

ThisguideprovidesthestepsneededtoaddtheGNOMEDesktoptoaRedHatEnterpriseLinux6.2AMIwheretheOSwasinstalledwithouttheXWindowSystem.AlthoughthereareseveraloptionstoenablearemotedesktoponanEC2instance,Iprefertouse 

NXFreeEdition（FreeNX）.

FreeNXisaprogramwhichallowsuserstorunremoteX11sessionsfromclientsrunningonWindows,Linux,MacOSXandSolarisplatformstoserversrunning,atpresent,onLinuxorSolaris.

Thisguideassumesyouhavean 

AmazonWebServicesaccount 

andknowhowtocreatenewEC2instancesfromanAMI,key-pairsandsecuritygroupswithinthe 

AWSManagementConsole.

AddGNOMEDesktopandXWindowSystem

TheRedHatEnterpriseLinux6.2AMI,likemostcommunityAMIs,doesnotincludetheGNOMEDesktoporXWindowSystemsoftware.Inthissection,therequiredGUIpackageswillbeinstalledtotherunninginstanceusing 

yum.

InstallDesktopPackages

#yum-ygroupinstall"

Desktop"

"

DesktopPlatform"

XWindowSystem"

Fonts"

YoucanalsoinstallthefollowingoptionalGUIpackages.

GraphicalAdministrationTools"

InternetBrowser"

GeneralPurposeDesktop"

OfficeSuiteandProductivity"

GraphicsCreationTools"

Whenusing 

yumgroupinstall,the 

groupinstall 

optiononlyinstalls 

default 

and 

mandatory 

packagesfromthegroup.Therearetimeswhenyoualsowanttoinclude 

optional 

packageswithinagroup.Ihavenotfiguredout（yet）howtocontrolwhichpackagetypestoinstall（grouppackage"

policy"

）fromthecommand-lineusing 

yum.TheonlymethodIknowoftoalsoinclude 

packagesistoeditthe 

/etc/yum.conf 

fileandaddthefollowingtothe 

[main] 

section:

group_package_types=defaultmandatoryoptional

ThereasonImentionthisisbecauseIwantedtoinstall"

TerminalemulatorfortheXWindowSystem"

（xterm）whichisunderthegroup"

LegacyXWindowSystemcompatibility"

. 

xterm 

happenstobeanoptionalpackageanddidnotgetinstalleduntilIadded 

group_package_types=defaultmandatoryoptional 

to/etc/yum.conf.

Ididfindaplug-infor 

yum 

thatallowsuserstospecifywhichpackagetypeswithinapackagegroupshouldbeinstalledwhenusing 

yumgroupinstall.

EnableGNOME

SincetheserverwaspreviouslyrunningonCLImode,weneedtochangetheinitializationprocessforthemachinetobootupinGUImode.

Open 

/etc/inittab 

usingatexteditorandchangefollowingline:

id:

3:

initdefault:

To:

5:

Aftermakingthechange,rebootthemachine.

#init6

InstallNXFreeEditionforLinuxtoAmazonEC2Instance

Inthissection,NXFreeEditionforLinux-x86_64willbeinstalledontheEC2instance.

RHELEC2Instance

DownloadandinstalltheNXFreeEditionforLinuxpackageontheAmazonEC2instancefrom 

NoMachine.

NXFreeEditionforLinux-i386

NXFreeEditionforLinux-x86_64

InstallationofNXServerforLinuxrequiresthedownloadandinstallationofthreepackages:

client,nodeandserver.Theclientisneededbecauseitshipslibrariesusedbythenode.Thenodeisneededbecauseitshipstoolsneededbytheserver.Furthermore,theSSHserverdaemon（SSHD）needstobeupandrunningoneachoftheNXNodemachinessinceNXreliesonthemechanismprovidedbytheSSHsubsystemforhandlinguserauthentication.

#rpm-inxclient-3.5.0-7.x86_64.rpm

#rpm-inxnode-3.5.0-9.x86_64.rpm

#rpm-inxserver-3.5.0-11.x86_64.rpm

IfyouintendtosupportprintingfromtheNXsession,youneedtosetproperpermissionsonyourIPPbackendfor"

IPPCUPS"

printing.

#chmod755/usr/lib/cups/backend/ipp

TheNXservicecanbecontrolledbythecommand 

/usr/NX/bin/nxserver--status|--start|--stop|--restart.Forexample,

[root@ip-10-29-162-247~]#/usr/NX/bin/nxserver--status

NX>

900Connectingtoserver...

110NXServerisrun