RH131Linux管理笔记八安装和管理XEN虚拟机.docx

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RH131Linux管理笔记八安装和管理XEN虚拟机.docx

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RH131Linux管理笔记八安装和管理XEN虚拟机.docx

RH131Linux管理笔记八安装和管理XEN虚拟机

RH131Linux管理笔记八-安装和管理XEN虚拟机

安装需要用到NFS,所以今天我们会简单说说NFS的。

       虚拟化大家应该都知道吧,现在炒的比较热门的东西,linux的虚拟化软件只有这三种:

virtualbox 开源免费的;xen开源免费的;VMwareserver 商业运作。

       我们今天只要学习下xen的图形界面和文字界面的安装及管理。

       Xen是可用于Linux内核的一种虚拟化技术,让您可以像在现有环境中一样安装并测试新的升级,而不必担心破坏原有的系统。

Xen是在剑桥大学作为一个研究项目被开发出来的,它已经在开源社区中得到了极大的推动。

Xen是一款既支持半虚拟化paravirtualizingVMM(虚拟机监视器,VirtualMachineMonitor)也支持完全虚拟化的技术。

所谓的半虚拟化就像win的桌面和内核的关系一样,被绑定在一定的。

而xen就是相当于当前真实系统绑定在一起的。

半虚拟化最大的优点就是节约系统开销。

相对于完全虚拟化的软来来说,XEN软件占很少资源,VMWare等其他虚拟化系统实现了完全的虚拟化(它们不必修改使用中的操作系统),但它们仍需要进行实时的机器代码翻译,这会影响性能。

      如果你电脑跑两个VMware卡的话,你跑一个VM,然后在VM里的linux里面跑一个XEN,应该会比以前好很多。

       介绍就到这里,下面我们开始安装XEN的虚拟机,大家把yum服务器开启吧,我们要用yum服务器安装xen。

第一步:

yuminstall"xen*"

[root@rhel5~]#yuminstallxen*

Loading"security"plugin

Loading"rhnplugin"plugin

Loading"installonlyn"plugin

ThissystemisnotregisteredwithRHN.

RHNsupportwillbedisabled.

SettingupInstallProcess

Settinguprepositories

VT                       100%|=========================|1.1kB   00:

00    

Server                   100%|=========================| 951B   00:

00    

Readingrepositorymetadatainfromlocalfiles

primary.xml.gz           100%|=========================|9.5kB   00:

00    

##################################################31/31

primary.xml.gz           100%|=========================|753kB   00:

00    

##################################################2158/2158

Parsingpackageinstallarguments

ResolvingDependencies

-->Populatingtransactionsetwithselectedpackages.Pleasewait.

--> Downloadingheaderforxen-develtopackintotransactionset.

xen-devel-3.0.3-41.el5.i3100%|=========================| 33kB   00:

00    

--> Packagexen-devel.i3860:

3.0.3-41.el5settobeupdated

--> Downloadingheaderforxen-libstopackintotransactionset.

xen-libs-3.0.3-41.el5.i38100%|=========================| 29kB   00:

00    

--> Packagexen-libs.i3860:

3.0.3-41.el5settobeupdated

-->Downloadingheaderforxentopackintotransactionset.

xen-3.0.3-41.el5.i386.rpm100%|=========================| 86kB   00:

00    

--> Packagexen.i3860:

3.0.3-41.el5settobeupdated

--> Runningtransactioncheck

--> ProcessingDependency:

bridge-utilsforpackage:

xen

-->ProcessingDependency:

libSDL-1.2.so.0forpackage:

xen

-->ProcessingDependency:

xen-hypervisor-abi=3.1forpackage:

xen

--> ProcessingDependency:

python-virtinstforpackage:

xen

-->RestartingDependencyResolutionwithnewchanges.

-->Populatingtransactionsetwithselectedpackages.Pleasewait.

--> Downloadingheaderforpython-virtinsttopackintotransactionset.

python-virtinst-0.103.0-3100%|=========================|7.8kB   00:

00    

--> Packagepython-virtinst.noarch0:

0.103.0-3.el5settobeupdated

-->Downloadingheaderforkernel-xentopackintotransactionset.

kernel-xen-2.6.18-53.el5.100%|=========================|252kB   00:

00    

-->Packagekernel-xen.i6860:

2.6.18-53.el5settobeupdated

-->Downloadingheaderforbridge-utilstopackintotransactionset.

bridge-utils-1.1-2.i386.r100%|=========================|5.0kB   00:

00    

--> Packagebridge-utils.i3860:

1.1-2settobeupdated

--> DownloadingheaderforSDLtopackintotransactionset.

SDL-1.2.10-8.el5.i386.rpm100%|=========================| 12kB   00:

00    

-->PackageSDL.i3860:

1.2.10-8.el5settobeupdated

--> Runningtransactioncheck

-->ProcessingDependency:

libvirt-python>=0.2.1forpackage:

python-virtinst

-->RestartingDependencyResolutionwithnewchanges.

--> Populatingtransactionsetwithselectedpackages.Pleasewait.

--> Downloadingheaderforlibvirt-pythontopackintotransactionset.

libvirt-python-0.2.3-9.el100%|=========================| 13kB   00:

00    

--> Packagelibvirt-python.i3860:

0.2.3-9.el5settobeupdated

-->Runningtransactioncheck

-->ProcessingDependency:

libvirt=0.2.3forpackage:

libvirt-python

--> ProcessingDependency:

libvirt.so.0forpackage:

libvirt-python

--> RestartingDependencyResolutionwithnewchanges.

-->Populatingtransactionsetwithselectedpackages.Pleasewait.

-->Downloadingheaderforlibvirttopackintotransactionset.

libvirt-0.2.3-9.el5.i386.100%|=========================| 24kB   00:

00    

-->Packagelibvirt.i3860:

0.2.3-9.el5settobeupdated

-->Runningtransactioncheck

-->ProcessingDependency:

dnsmasqforpackage:

libvirt

--> RestartingDependencyResolutionwithnewchanges.

-->Populatingtransactionsetwithselectedpackages.Pleasewait.

-->Downloadingheaderfordnsmasqtopackintotransactionset.

dnsmasq-2.39-2.el5.i386.r100%|=========================|7.2kB   00:

00    

-->Packagednsmasq.i3860:

2.39-2.el5settobeupdated

-->Runningtransactioncheck

DependenciesResolved

=============================================================================

Package                Arch      Version         Repository       Size

=============================================================================

Installing:

xen                    i386      3.0.3-41.el5    VT               1.9M

xen-devel              i386      3.0.3-41.el5    VT               210k

xen-libs               i386      3.0.3-41.el5    Server           137k

Installingfordependencies:

SDL                    i386      1.2.10-8.el5    Server           233k

bridge-utils           i386      1.1-2           Server            28k

dnsmasq                i386      2.39-2.el5      Server           151k

kernel-xen             i686      2.6.18-53.el5   Server            14M

libvirt                i386      0.2.3-9.el5     VT               655k

libvirt-python         i386      0.2.3-9.el5     VT                63k

python-virtinst        noarch    0.103.0-3.el5   VT                63k

TransactionSummary

=============================================================================

Install    10Package(s)        

Update      0Package(s)        

Remove      0Package(s)        

Totaldownloadsize:

18M

Isthisok[y/N]:

y

DownloadingPackages:

(1/10):

libvirt-0.2.3-9.e100%|=========================|655kB   00:

00    

(2/10):

xen-devel-3.0.3-4100%|=========================|210kB   00:

00    

(3/10):

xen-3.0.3-41.el5.100%|=========================|1.9MB   00:

00    

(4/10):

python-virtinst-0100%|=========================| 63kB   00:

00    

(5/10):

libvirt-python-0.100%|=========================| 63kB   00:

00    

(6/10):

kernel-xen-2.6.18100%|=========================| 14MB   00:

00    

(7/10):

bridge-utils-1.1-100%|=========================| 28kB   00:

00    

(8/10):

dnsmasq-2.39-2.el100%|=========================|151kB   00:

00    

(9/10):

xen-libs-3.0.3-41100%|=========================|137kB   00:

00    

(10/10):

SDL-1.2.10-8.el5100%|=========================|233kB   00:

00    

RunningTransactionTest

FinishedTransactionTest

TransactionTestSucceeded

RunningTransaction

 Installing:

xen-libs                    #######################[1/10]

 Installing:

SDL                         #######################[2/10]

 Installing:

dnsmasq                     #######################[3/10]

 Installing:

bridge-utils                #######################[4/10]

 Installing:

kernel-xen                  #######################[5/10]

 Installing:

xen-devel                   #######################[6/10]

 Installing:

libvirt-python              #######################[7/10]

 Installing:

libvirt                     #######################[8/10]

 Installing:

xen                         #######################[9/10]

 Installing:

python-virtinst             #######################[10/10]

Installed:

xen.i3860:

3.0.3-41.el5xen-devel.i3860:

3.0.3-41.el5xen-libs.i3860:

3.0.3-41.el5

DependencyInstalled:

SDL.i3860:

1.2.10-8.el5bridge-utils.i3860:

1.1-2dnsmasq.i3860:

2.39-2.el5kernel-xen.i6860:

2.6.18-53.el5libvirt.i3860:

0.2.3-9.el5libvirt-python.i3860:

0.2.3-9.el5python-virtinst.noarch0:

0.103.0-3.el5

Complete!

[root@rhel5~]#

系统会安装这些包:

 Installing:

xen-libs                    #######################[1/10]

 Installing:

SDL                         #######################[2/10]

 Installing:

dnsmasq                     #######################[3/10]

 Installing:

bridge-utils                #######################[4/10]

 Installing:

kernel-xen                  #######################[5/10]

 Installing:

xen-devel                   #######################[6/10]

 Installing:

libvirt-python              #######################[7/10]

 Installing:

libvirt                     #######################[8/10]

 Installing:

xen                         #######################[9/10]

 Installing:

python-virtinst             #######################[10/10]

第二步:

安装图形界面管理工具yuminstall“virt-manager*”

[root@rhel5~]#yuminstallvirt-manager*

Loading"security"plugin

Loading"rhnplugin"plugin

Loading"installonlyn"plugin

ThissystemisnotregisteredwithRHN.

RHNsupportwillbedisabled.

SettingupInstallProcess

Settinguprepositories

Readingrepositorymetadatainfromlocalfiles

Parsingpackageinstallarguments

ResolvingDependencies

-->Populatingtransactionsetwithselectedpackages.Pleasewait.

--> Downloadingheaderforvirt-managertopackintotransactionset.

virt-manager-0.4.0-3.el5.100%|=========================| 35kB   00:

00    

-->Packagevirt-manager.i3860:

0.4.0-3.el5settobeupdated

-->Runningtransactioncheck

-->ProcessingDependency:

gnome-python2-gnomekeyring>=2.15.4forpackage:

virt-manager

-->RestartingDependencyRes

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