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软件包管理之yum

    上一篇我们介绍了关于使用rpm对软件包进行管理,我们感觉到,软件包之间的依赖关系使得rpm不那么的方便,今天我们介绍rpm的前端工具yum,yum的出现使得软件包的管理更为方便快捷。

    

    简单说,要想使用yum,必须有一个可用的yum repository,而且客户端需要配置一个有效的yum repo。yum repostory可以通过ftp,http及本地实现,而且,需要使用createrepo生成元数据;之后在客户端配置yum repo的配置文件即可。使用createrepo创建yum仓库,会生成一个repodata的目录,repodata所在的目录就是访问yum仓库的路径(例:ftp://192.168.1.1/source , http://192.168.1.1/source , file:///media/cdrom  )。

    

    客户端yum repo的配置文件位置:

        /etc/yum.conf    #主配置文件

            /etc/yum.repo.d/*.repo    

[root@wsh ~]# cat /etc/yum.conf
[main]                #为每一个仓库提供默认配置,通常只有1个(除了[main],每一个[repository_ID]都是一个仓库的定义)
cachedir=/var/cache/yum/$basearch/$releasever    #缓存目录
keepcache=0        #通过yum将rpm包下载至本地才能安装,下载之后要不要长久保存?
debuglevel=2        #调试级别
logfile=/var/log/yum.log    #日志文件
exactarch=1        
obsoletes=1
gpgcheck=1        #是否自动执行来源合法性检测,1检测,0不检测
plugins=1
installonly_limit=5
bugtracker_url=http://bugs.centos.org/set_project.php?project_id=16&ref=http://bugs.centos.org/bug_report_page.php?category=yum
distroverpkg=centos-release
# This is the default, if you make this bigger yum won‘t see if the metadata
# is newer on the remote and so you‘ll "gain" the bandwidth of not having to
# download the new metadata and "pay" for it by yum not having correct
# information.
# It is esp. important, to have correct metadata, for distributions like
# Fedora which don‘t keep old packages around. If you don‘t like this checking
# interupting your command line usage, it‘s much better to have something
# manually check the metadata once an hour (yum-updatesd will do this).
# metadata_expire=90m
# PUT YOUR REPOS HERE OR IN separate files named file.repo
# in /etc/yum.repos.d



    1.使用本地yum源,及有关yum repo的相关命令:

       其实,redhat的安装光盘就是一个yum源,可以直接使用:    

[root@wsh ~]# mount /dev/cdrom /media/cdrom/
mount: block device /dev/sr0 is write-protected, mounting read-only
[root@wsh ~]# cd /media/cdrom/
[root@wsh cdrom]# ls    #这里有repodata,所以pwd显示的就是访问本地yum源的路径:file:///media/cdrom
CentOS_BuildTag  GPL                       RPM-GPG-KEY-CentOS-6           RPM-GPG-KEY-CentOS-Testing-6  isolinux
EFI              Packages                  RPM-GPG-KEY-CentOS-Debug-6     TRANS.TBL                     repodata
EULA             RELEASE-NOTES-en-US.html  RPM-GPG-KEY-CentOS-Security-6  images

    

    我们在客户端新建一个yum源路径指向本地的.repo配置文件:

[root@wsh cdrom]# vim /etc/yum.repos.d/local.repo
[cdrom]    #yum仓库的名称,具有唯一性
name=CentOS 6.5 localrepo       #简单的描述即可
baseurl=file:///media/cdrom     #本地yum源路径使用file://+yum源的绝对路径
gpgcheck=0      #不检查合法性
enabled=1       #是否启用此yum源,没有此项默认启用

     yum会将yum仓库中的一些元数据等缓存到本地,我们可以手动清理缓存,也可以手动创建缓存,相关命令:

    yum clean [ packages | metadata | expire-cache | rpmdb | plugins | all ]

        一般常用yum clean metadata

    yum makecache,手动创建缓存

[root@wsh cdrom]# yum clean all    #在此,全部清理
Failed to set locale, defaulting to C
Loaded plugins: fastestmirror, refresh-packagekit, security
Cleaning repos: base cdrom extras updates
Cleaning up Everything
Cleaning up list of fastest mirrors
[root@wsh cdrom]# yum makecache    #手动创建缓存
Failed to set locale, defaulting to C
Loaded plugins: fastestmirror, refresh-packagekit, security
Determining fastest mirrors   
# 下面是我们新建的名为"cdrom"的yum源(为了显示清晰,我把其余的源删除了)
...............
cdrom                                                                                                 | 4.0 kB     00:00 ... 
cdrom/filelists_db                                                                                    | 5.8 MB     00:00 ... 
cdrom/primary_db                                                                                      | 4.5 MB     00:00 ... 
cdrom/other_db                                                                                        | 2.6 MB     00:00 ... 
cdrom/group_gz                                                                                        | 212 kB     00:00 ...     
.................
Metadata Cache Created

     

    查看客户端配置了哪些yum源:yum repolist [ enabled | disabled | all ]

[root@wsh cdrom]# yum repolist    #相当于enabled,即启用的yum源
Failed to set locale, defaulting to C
Loaded plugins: fastestmirror, refresh-packagekit, security
Loading mirror speeds from cached hostfile
repo id                                          repo name                                                             status
base                                             CentOS-6 - Base - 163.com                                             6367
cdrom                                            CentOS 6.5 localrepo                                                  6346
extras                                           CentOS-6 - Extras - 163.com                                             14
updates                                          CentOS-6 - Updates - 163.com                                           932
repolist: 13659
[root@wsh cdrom]# yum repolist disabled    #没有启用的yum源
Failed to set locale, defaulting to C
Loaded plugins: fastestmirror, refresh-packagekit, security
repo id                                               repo name                                                              
centosplus                                            CentOS-6 - Plus - 163.com                                              
contrib                                               CentOS-6 - Contrib - 163.com                                           
repolist: 0

[root@wsh cdrom]# yum repolist all    #全部yum源,包括enabled和disabled 
Failed to set locale, defaulting to C
Loaded plugins: fastestmirror, refresh-packagekit, security
Loading mirror speeds from cached hostfile
repo id                                        repo name                                                        status
base                                           CentOS-6 - Base - 163.com                                        enabled: 6367
cdrom                                          CentOS 6.5 localrepo                                             enabled: 6346
centosplus                                     CentOS-6 - Plus - 163.com                                        disabled
contrib                                        CentOS-6 - Contrib - 163.com                                     disabled
extras                                         CentOS-6 - Extras - 163.com                                      enabled:   14
updates                                        CentOS-6 - Updates - 163.com                                     enabled:  932
repolist: 13659


     2.使用yum安装程序包

        yum install name.....

        yum reinstall name.....

        yum localinstall name-version.release.arch.rpm 

    由下图可以看出,使用yum非常好的解决了软件之间的依赖关系。

wKiom1N_ApLQmcwFAAWPkDfrMVY326.jpg

    最后完成安装!

[root@wsh cdrom]# yum list | grep "bind" #yum list查看所有已经软件包
Failed to set locale, defaulting to C
bind.x86_64                            32:9.8.2-0.23.rc1.el6_5.1         @updates
bind-libs.x86_64                       32:9.8.2-0.23.rc1.el6_5.1         @updates


    reinstall的功能:

[root@wsh cdrom]# yum install bind    #提示已经安装bind
Failed to set locale, defaulting to C
Loaded plugins: fastestmirror, refresh-packagekit, security
Loading mirror speeds from cached hostfile
Setting up Install Process
Package 32:bind-9.8.2-0.23.rc1.el6_5.1.x86_64 already installed and latest version
Nothing to do
[root@wsh cdrom]# yum reinstall bind    #reinstall实现再次安装bind
Failed to set locale, defaulting to C
Loaded plugins: fastestmirror, refresh-packagekit, security
Setting up Reinstall Process
Loading mirror speeds from cached hostfile
Resolving Dependencies
--> Running transaction check
---> Package bind.x86_64 32:9.8.2-0.23.rc1.el6_5.1 will be reinstalled
--> Finished Dependency Resolution

Dependencies Resolved

     localinstall:使用yum安装本地rpm包,RHEL5使用,6以上使用install即可:

[root@wsh Packages]# yum -y install zsh-4.3.10-5.el6.x86_64.rpm #-y自动回答为yes;如果有依赖关系yum也会一并解决
Failed to set locale, defaulting to C
Loaded plugins: fastestmirror, refresh-packagekit, security
Loading mirror speeds from cached hostfile
Setting up Install Process
Examining zsh-4.3.10-5.el6.x86_64.rpm: zsh-4.3.10-5.el6.x86_64
Marking zsh-4.3.10-5.el6.x86_64.rpm to be installed
Resolving Dependencies
--> Running transaction check
---> Package zsh.x86_64 0:4.3.10-5.el6 will be installed
--> Finished Dependency Resolution

Dependencies Resolved
......
......

Total size: 4.8 M
Installed size: 4.8 M
Downloading Packages:
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
  Installing : zsh-4.3.10-5.el6.x86_64                                                                                   1/1 
  Verifying  : zsh-4.3.10-5.el6.x86_64                                                                                   1/1 

Installed:
  zsh.x86_64 0:4.3.10-5.el6                                                                                                  

Complete!


    3.升级

        yum check-update:检测哪些包需要升级

        yum update name:升级

        yum update-to name:升级到哪个版本


    4.查询

        yum info name

        yum list [ all | installed | available ]  [glob],支持globbing

[root@wsh Packages]# yum info zsh    #查询zsh的相关信息,以安装的和未安装的(可以)
Failed to set locale, defaulting to C
Loaded plugins: fastestmirror, refresh-packagekit, security
Loading mirror speeds from cached hostfile
Installed Packages
Name        : zsh
Arch        : x86_64
Version     : 4.3.10
Release     : 5.el6
Size        : 4.8 M
Repo        : installed
From repo   : /zsh-4.3.10-5.el6.x86_64
Summary     : A powerful interactive shell
URL         : http://zsh.sunsite.dk/
License     : BSD
Description : The zsh shell is a command interpreter usable as an interactive login
            : shell and as a shell script command processor.  Zsh resembles the ksh
            : shell (the Korn shell), but includes many enhancements.  Zsh supports
            : command line editing, built-in spelling correction, programmable
            : command completion, shell functions (with autoloading), a history
            : mechanism, and more.

Available Packages
Name        : zsh
Arch        : x86_64
Version     : 4.3.10
Release     : 7.el6
Size        : 2.1 M
Repo        : base
Summary     : A powerful interactive shell
URL         : http://zsh.sunsite.dk/
License     : BSD
Description : The zsh shell is a command interpreter usable as an interactive login
            : shell and as a shell script command processor.  Zsh resembles the ksh
            : shell (the Korn shell), but includes many enhancements.  Zsh supports
            : command line editing, built-in spelling correction, programmable
            : command completion, shell functions (with autoloading), a history
            : mechanism, and more.

    

    5.卸载

        yum remove name

[root@wsh Packages]# yum remove zsh
Failed to set locale, defaulting to C
Loaded plugins: fastestmirror, refresh-packagekit, security
Setting up Remove Process
Resolving Dependencies
--> Running transaction check
---> Package zsh.x86_64 0:4.3.10-5.el6 will be erased
--> Finished Dependency Resolution

Dependencies Resolved

.............
..............

Installed size: 4.8 M
Is this ok [y/N]: y
Downloading Packages:
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
  Erasing    : zsh-4.3.10-5.el6.x86_64                                                                                   1/1 
  Verifying  : zsh-4.3.10-5.el6.x86_64                                                                                   1/1 

Removed:
  zsh.x86_64 0:4.3.10-5.el6                                                                                                  

Complete!

[root@wsh Packages]# rpm -q zsh

package zsh is not installed


    6.模糊查找search:

root@wsh Packages]# yum search zs    #查找包含zs的包
Failed to set locale, defaulting to C
Loaded plugins: fastestmirror, refresh-packagekit, security
Loading mirror speeds from cached hostfile
====================================================== N/S Matched: zs ======================================================
python-twisted-core-zsh.x86_64 : Tab completion for Zsh and Twisted Core
zsh-html.x86_64 : Zsh shell manual in html format
lrzsz.x86_64 : The lrz and lsz modem communications programs
zsh.x86_64 : A powerful interactive shell

  Name and summary matches only, use "search all" for everything.


    7.hisroty:

history [info|list|packages-list|packages-info|summary|addon-info|redo|undo|rollback|new|sync|stats]

[root@wsh Packages]# yum history info    #查看一些历史操作记录
Failed to set locale, defaulting to C
Loaded plugins: fastestmirror, refresh-packagekit, security
Transaction ID : 10
Begin time     : Fri May 23 16:41:47 2014
Begin rpmdb    : 1106:4fc5bbbfcb8a22d995dbe8709b67a7bf7c261344
End time       :            16:41:48 2014 (1 seconds)
End rpmdb      : 1105:81895fc1e7e74a77f42f5f02564823ec58ccead1 **
User           : Root,bycx,110,888 <root>
Return-Code    : Success
Command Line   : remove zsh
Transaction performed with:
    Installed     rpm-4.8.0-37.el6.x86_64                       @anaconda-CentOS-201311272149.x86_64/6.5
    Installed     yum-3.2.29-40.el6.centos.noarch               @anaconda-CentOS-201311272149.x86_64/6.5
    Installed     yum-plugin-fastestmirror-1.1.30-14.el6.noarch @anaconda-CentOS-201311272149.x86_64/6.5
Packages Altered:
    Erase zsh-4.3.10-5.el6.x86_64 @/zsh-4.3.10-5.el6.x86_64
history info


    8.有关包组:

        包组,顾名思义,包含了众多软件包。

    

        查看包组:

            yum grouplist

[root@wsh ~]# yum grouplist
Failed to set locale, defaulting to C
Loaded plugins: fastestmirror, refresh-packagekit, security
Setting up Group Process
Loading mirror speeds from cached hostfile
Installed Groups:
   Additional Development
   Console internet tools
   Debugging Tools
   Desktop
   ....
Installed Language Groups:
   Arabic Support [ar]
   Armenian Support [hy]
   Assamese Support [as]
   Bengali Support [bn]
   Bhutanese Support [dz]
   Chinese Support [zh]
   .....
Available Groups:
   Backup Client
   Backup Server
   Base
   Desktop Platform Development
   Development tools
   Server Platform Development
 .........
Available Language Groups:
   Afrikaans Support [af]
   Albanian Support [sq]
   Amazigh Support [ber]
   Azerbaijani Support [az]
   Basque Support [eu]
  ....
  Done


    查看包组包含哪些包:

        yum groupinfo group_name

[root@wsh ~]# yum groupinfo "Development tools"
Failed to set locale, defaulting to C
Loaded plugins: fastestmirror, refresh-packagekit, security
Setting up Group Process
Loading mirror speeds from cached hostfile

Group: Development tools
 Description: A basic development environment.
 Mandatory Packages:
   autoconf
   automake
   binutils
   bison
   flex
   gcc
   gcc-c++
   gettext
   libtool
   make
   patch
   pkgconfig
   redhat-rpm-config
   rpm-build
 Default Packages:
   byacc
   cscope
   ctags
   cvs
   diffstat
   doxygen
   elfutils
   gcc-gfortran
   git
   indent
   intltool
   patchutils
   rcs
   subversion
   swig
   systemtap
 Optional Packages:
   ElectricFence
   ant
   babel
   bzr
   chrpath
   cmake
   compat-gcc-34
   compat-gcc-34-c++
   compat-gcc-34-g77
   cvs-inetd
   dejagnu
   expect
   gcc-gnat
   gcc-java
   gcc-objc
   gcc-objc++
   imake
   jpackage-utils
   kdewebdev
   ksc
   libstdc++-docs
   mercurial
   mod_dav_svn
   nasm
   perltidy
   python-docs
   rpmdevtools
   rpmlint
   systemtap-sdt-devel
   systemtap-server

        

    安装包组:

        yum groupinstall " 包组名 " ......

#Desktop Platform Development
#Development tools
#Server Platform Development
#这3个是RHEL6重要的开发组的包组,下面安装这3个包组

[root@wsh ~]#yum -y groupinstall "Desktop Platform Development" "Development tools" "Server Platform Development"  #单个包组名如果有空格需要引号,包组之间空格隔开
#之后就是漫长的等待......


    升级包组:

        yum groupupdate 包组名


    卸载包组:

        yum groupremove 包组名



    9.客户端配置网络上的yum源:

     

[root@wsh ~]# vim /etc/yum.repos.d/CentOS6-Base-163.repo
#说明:$releasever,代表系统的release号
#     $basearch,如果$arch=i686,$basearch=i386;$basearch=x86_64
[base]
name=CentOS-$releasever - Base - 163.com
baseurl=http://mirrors.163.com/centos/$releasever/os/$basearch/
gpgcheck=1
enabled=1
gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-6


    10.创建yum仓库:

        createrepo dirname

[root@wsh /]# ls /xen/
bridge-utils-1.5-2.el6.x86_64.rpm            xen-devel-4.1.2-6.el6.x86_64.rpm
bridge-utils-debuginfo-1.5-2.el6.x86_64.rpm  xen-doc-4.1.2-6.el6.x86_64.rpm
kernel-xen-2.6.32.57-1.x86_64.rpm            xen-hypervisor-4.1.2-6.el6.x86_64.rpm
kernel-xen-devel-2.6.32.57-1.x86_64.rpm      xen-libs-4.1.2-6.el6.x86_64.rpm
kernel-xen-firmware-2.6.32.57-1.x86_64.rpm   xen-licenses-4.1.2-6.el6.x86_64.rpm
kernel-xen-headers-2.6.32.57-1.x86_64.rpm    xen-ocaml-4.1.2-6.el6.x86_64.rpm
kernel-xen-release-6-3.noarch.rpm            xen-ocaml-devel-4.1.2-6.el6.x86_64.rpm
xen-4.1.2-6.el6.x86_64.rpm                   xen-runtime-4.1.2-6.el6.x86_64.rpm
xen-debuginfo-4.1.2-6.el6.x86_64.rpm         yum-plugin-fastestmirror-1.1.30-10.el6.noarch.rpm

[root@wsh /]# createrepo /xen/    #创建yum仓库
18/18 - kernel-xen-headers-2.6.32.57-1.x86_64.rpm                               
Saving Primary metadata
Saving file lists metadata
Saving other metadata

[root@wsh yum.repos.d]# ls /xen/    #生成了repodata
bridge-utils-1.5-2.el6.x86_64.rpm            xen-devel-4.1.2-6.el6.x86_64.rpm
bridge-utils-debuginfo-1.5-2.el6.x86_64.rpm  xen-doc-4.1.2-6.el6.x86_64.rpm
kernel-xen-2.6.32.57-1.x86_64.rpm            xen-hypervisor-4.1.2-6.el6.x86_64.rpm
kernel-xen-devel-2.6.32.57-1.x86_64.rpm      xen-libs-4.1.2-6.el6.x86_64.rpm
kernel-xen-firmware-2.6.32.57-1.x86_64.rpm   xen-licenses-4.1.2-6.el6.x86_64.rpm
kernel-xen-headers-2.6.32.57-1.x86_64.rpm    xen-ocaml-4.1.2-6.el6.x86_64.rpm
kernel-xen-release-6-3.noarch.rpm            xen-ocaml-devel-4.1.2-6.el6.x86_64.rpm
repodata                                     xen-runtime-4.1.2-6.el6.x86_64.rpm
xen-4.1.2-6.el6.x86_64.rpm                   yum-plugin-fastestmirror-1.1.30-10.el6.noarch.rpm
xen-debuginfo-4.1.2-6.el6.x86_64.rpm

[root@wsh yum.repos.d]# vim xen.repo
[xen]
name=CentOS XEN
baseurl=file:///xen
gpgcheck=0
enabled=1

[root@wsh yum.repos.d]# yum clean all
Failed to set locale, defaulting to C
Loaded plugins: fastestmirror, refresh-packagekit, security
Cleaning repos: xen
Cleaning up Everything
Cleaning up list of fastest mirrors
[root@wsh yum.repos.d]# yum makecache
Failed to set locale, defaulting to C
Loaded plugins: fastestmirror, refresh-packagekit, security
Determining fastest mirrors
xen                                                                                                   | 1.3 kB     00:00 ... 
xen/filelists                                                                                         |  85 kB     00:00 ... 
xen/primary                                                                                           | 6.5 kB     00:00 ... 
xen/other                                                                                             | 6.7 kB     00:00 ... 
xen                                                                                                                    18/18
xen                                                                                                                    18/18
xen                                                                                                                    18/18
Metadata Cache Created
[root@wsh yum.repos.d]# yum repolist enabled    #成功配置本地名为xen的yum源
Failed to set locale, defaulting to C
Loaded plugins: fastestmirror, refresh-packagekit, security
Loading mirror speeds from cached hostfile
repo id                                                   repo name                                                    status
xen                                                       CentOS XEN                                                   18
repolist: 18


[root@wsh yum.repos.d]# yum install xen    #yum 安装xen
Failed to set locale, defaulting to C
Loaded plugins: fastestmirror, refresh-packagekit, security
Loading mirror speeds from cached hostfile
Setting up Install Process
Resolving Dependencies
--> Running transaction check
---> Package xen.x86_64 0:4.1.2-20.el6 will be installed
--> Processing Dependency: xen-runtime = 4.1.2-20.el6 for package: xen-4.1.2-20.el6.x86_64
--> Processing Dependency: libxenstore.so.3.0()(64bit) for package: xen-4.1.2-20.el6.x86_64
--> Processing Dependency: libxenlight.so.1.0()(64bit) for package: xen-4.1.2-20.el6.x86_64
--> Processing Dependency: libxenguest.so.4.0()(64bit) for package: xen-4.1.2-20.el6.x86_64
--> Processing Dependency: libxenctrl.so.4.0()(64bit) for package: xen-4.1.2-20.el6.x86_64
--> Processing Dependency: libflask.so.1.0()(64bit) for package: xen-4.1.2-20.el6.x86_64
--> Processing Dependency: libblktapctl.so.1.0()(64bit) for package: xen-4.1.2-20.el6.x86_64
--> Running transaction check
---> Package xen-libs.x86_64 0:4.1.2-20.el6 will be installed
--> Processing Dependency: xen-licenses for package: xen-libs-4.1.2-20.el6.x86_64
---> Package xen-runtime.x86_64 0:4.1.2-20.el6 will be installed
--> Processing Dependency: xen-hypervisor-abi = 4.1 for package: xen-runtime-4.1.2-20.el6.x86_64
--> Running transaction check
---> Package xen-hypervisor.x86_64 0:4.1.2-20.el6 will be installed
---> Package xen-licenses.x86_64 0:4.1.2-20.el6 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

=====================================================================================================================================
 Package                             Arch                        Version                              Repository                Size
=====================================================================================================================================
Installing:
 xen                                 x86_64                      4.1.2-20.el6                         xen    #通过xen yum源安装1.1 M
Installing for dependencies:
 xen-hypervisor                      x86_64                      4.1.2-20.el6                         xen                      3.9 M
 xen-libs                            x86_64                      4.1.2-20.el6                         xen                      313 k
 xen-licenses                        x86_64                      4.1.2-20.el6                         xen                       67 k
 xen-runtime                         x86_64                      4.1.2-20.el6                         xen                      4.9 M

Transaction Summary
=====================================================================================================================================
Install       5 Package(s)

Total download size: 10 M
Installed size: 26 M
Is this ok [y/N]: y
Downloading Packages:
-------------------------------------------------------------------------------------------------------------------------------------
Total                                                                                                 38 MB/s |  10 MB     00:00     
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
  Installing : xen-licenses-4.1.2-20.el6.x86_64                                                                                  1/5 
  Installing : xen-libs-4.1.2-20.el6.x86_64                                                                                      2/5 
  Installing : xen-hypervisor-4.1.2-20.el6.x86_64                                                                                3/5 
  Installing : xen-runtime-4.1.2-20.el6.x86_64                                                                                   4/5 
  Installing : xen-4.1.2-20.el6.x86_64                                                                                           5/5 
  Verifying  : xen-licenses-4.1.2-20.el6.x86_64                                                                                  1/5 
  Verifying  : xen-libs-4.1.2-20.el6.x86_64                                                                                      2/5 
  Verifying  : xen-4.1.2-20.el6.x86_64                                                                                           3/5 
  Verifying  : xen-hypervisor-4.1.2-20.el6.x86_64                                                                                4/5 
  Verifying  : xen-runtime-4.1.2-20.el6.x86_64                                                                                   5/5 

Installed:
  xen.x86_64 0:4.1.2-20.el6                                                                                                          

Dependency Installed:
  xen-hypervisor.x86_64 0:4.1.2-20.el6          xen-libs.x86_64 0:4.1.2-20.el6          xen-licenses.x86_64 0:4.1.2-20.el6         
  xen-runtime.x86_64 0:4.1.2-20.el6            

Complete!    #安装成功



未完,待续...

本文出自 “大灰狼” 博客,请务必保留此出处http://huifei1314.blog.51cto.com/4681402/1416325