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最近想通过公司的RHCE考试，所以安装了一个RHEL6来练习，一开始我安装的是Base，所以一进去是就是命令行的。但是RHCE的教程一开始有介绍图形界面下的一些使用，为了补缺补漏，还是想安装一下图形界面玩玩的。所以我网上找了下资料，具体的操作如下：一、配置本地源1.挂载镜像文件[tekkamanninja@Tekkaman-RHEL ~]$ sudo mkdir /media/RHEL [tekkamanninja@Tekkaman-RHEL ~]$ sudo mount -o loop <iso-path> /media/RHEL （可选）开机自动挂载镜像文件在/etc/fstab的最下面添加下面一句[tekkamanninja@Tekkaman-RHEL ~]$ sudo vi /etc/fstab <iso-path> /media/RHEL iso9660 ro,loop 0 0 2.创建repo文件[tekkamanninja@Tekkaman-RHEL ~]$ sudo vi /etc/yum.repos.d/local_RHEL_DVD.repo [Server] name=Server baseurl=file:///media/RHEL/Server enabled=1 gpgcheck=0 [HighAvailability] name=HighAvailability baseurl=file:///media/RHEL/HighAvailability enabled=1 gpgcheck=0 [LoadBalancer] name=LoadBalancer baseurl=file:///media/RHEL/LoadBalancer enabled=1 gpgcheck=0 二、安装桌面软件包组1.查看软件包组顺便看看刚才挂载上的源是否可用。[tekkamanninja@Tekkaman-RHEL ~]$ yum grouplist Loaded plugins: product-id, refresh-packagekit, security, subscription-manager Not root, certificate-based repositories not updated Setting up Group Process HighAvailability | 4.0 kB 00:00 ... HighAvailability/primary_db | 43 kB 00:00 ... LoadBalancer | 3.9 kB 00:00 ... LoadBalancer/primary_db | 4.7 kB 00:00 ... Server | 4.0 kB 00:00 ... Server/primary_db | 3.1 MB 00:00 ... HighAvailability/group_gz | 4.1 kB 00:00 ... LoadBalancer/group_gz | 2.2 kB 00:00 ... Server/group_gz | 204 kB 00:00 ... Installed Groups: Additional Development Base Console internet tools Debugging Tools Desktop Desktop Platform Dial-up Networking Support Directory Client E-mail server Fonts General Purpose Desktop Graphical Administration Tools Hardware monitoring utilities Java Platform Large Systems Performance Legacy UNIX compatibility Legacy X Window System compatibility NFS file server Network Infrastructure Server Network file system client Networking Tools Performance Tools Perl Support Scientific support Server Platform Installed Language Groups: Arabic Support [ar] Armenian Support [hy] Georgian Support [ka] Hebrew Support [he] Inuktitut Support [iu] Japanese Support [ja] Korean Support [ko] Lao Support [lo] Tajik Support [tg] Available Groups: Backup Client Backup Server CIFS file server Client management tools Compatibility libraries Desktop Debugging and Performance Tools Desktop Platform Development Development tools Directory Server Eclipse Emacs FCoE Storage Client FTP server Graphics Creation Tools High Availability High Availability Management Identity Management Server Infiniband Support Input Methods Internet Browser KDE Desktop Load Balancer Mainframe Access Messaging Client Support MySQL Database client MySQL Database server Network Storage Server PHP Support PostgreSQL Database client PostgreSQL Database server Print Server Printing client Remote Desktop Clients Ruby Support SNMP Support Security Tools Server Platform Development Smart card support Somali Support Storage Availability Tools System Management System administration tools Systems Management Messaging Server support TeX support Technical Writing TurboGears application framework Virtualization Virtualization Client Virtualization Platform Virtualization Tools Web Server Web Servlet Engine Web-Based Enterprise Management X Window System iSCSI Storage Client Available Language Groups: Afrikaans Support [af] Albanian Support [sq] Amazigh Support [ber] Assamese Support [as] Azerbaijani Support [az] Basque Support [eu] Belarusian Support [be] Bengali Support [bn] Bhutanese Support [dz] Brazilian Portuguese Support [pt_BR] Breton Support [br] Bulgarian Support [bg] Catalan Support [ca] Chhattisgarhi Support [hne] Chichewa Support [ny] Chinese Support [zh] Coptic Support [cop] Croatian Support [hr] Czech Support [cs] Danish Support [da] Dutch Support [nl] English (UK) Support [en_GB] Esperanto Support [eo] Estonian Support [et] Ethiopic Support [am] Faroese Support [fo] Fijian Support [fj] Filipino Support [fil] Finnish Support [fi] French Support [fr] Frisian Support [fy] Friulian Support [fur] Gaelic Support [gd] Galician Support [gl] German Support [de] Greek Support [el] Gujarati Support [gu] Hiligaynon Support [hil] Hindi Support [hi] Hungarian Support [hu] Icelandic Support [is] Indonesian Support [id] Interlingua Support [ia] Irish Support [ga] Italian Support [it] Kannada Support [kn] Kashmiri Support [ks] Kashubian Support [csb] Kazakh Support [kk] Khmer Support [km] Kinyarwanda Support [rw] Konkani Support [kok] Kurdish Support [ku] Latin Support [la] Latvian Support [lv] Lithuanian Support [lt] Low Saxon Support [nds] Luxembourgish Support [lb] Macedonian Support [mk] Maithili Support [mai] Malagasy Support [mg] Malay Support [ms] Malayalam Support [ml] Maltese Support [mt] Manx Support [gv] Maori Support [mi] Marathi Support [mr] Mongolian Support [mn] Myanmar (Burmese) Support [my] Nepali Support [ne] Northern Sotho Support [nso] Norwegian Support [nb] Occitan Support [oc] Oriya Support [or] Persian Support [fa] Polish Support [pl] Portuguese Support [pt] Punjabi Support [pa] Romanian Support [ro] Russian Support [ru] Sanskrit Support [sa] Sardinian Support [sc] Serbian Support [sr] Sindhi Support [sd] Sinhala Support [si] Slovak Support [sk] Slovenian Support [sl] Southern Ndebele Support [nr] Southern Sotho Support [st] Spanish Support [es] Swahili Support [sw] Swati Support [ss] Swedish Support [sv] Tagalog Support [tl] Tamil Support [ta] Telugu Support [te] Tetum Support [tet] Thai Support [th] Tibetan Support [bo] Tsonga Support [ts] Tswana Support [tn] Turkish Support [tr] Turkmen Support [tk] Ukrainian Support [uk] Upper Sorbian Support [hsb] Urdu Support [ur] Uzbek Support [uz] Venda Support [ve] Vietnamese Support [vi] Walloon Support [wa] Welsh Support [cy] Xhosa Support [xh] Zulu Support [zu] Done 2.安装软件组从上面的信息中你可以看到许多的软件组信息，自己挑一个需要的桌面软件组安装就好了，我先装Desktop[tekkamanninja@Tekkaman-RHEL ~]$ sudo yum groupinstall "Desktop" 3.测试：启动图形界面在完成了软件的安装之后，你就可以尝试进入X 桌面了：[tekkamanninja@Tekkaman-RHEL ~]$ startx 但是极有可能你无法进入图形界面，原因非常简单，你还没有安装相应的X 用户层驱动，不同的硬件有不同的驱动，所以这个不是由软件依赖来解决的。对于我用于练习的ThinkPad SL400来说，我得到了如下错误：[ 278.139] (II) LoadModule: "nouveau" [ 278.140] (WW) Warning, couldn't open module nouveau [ 278.140] (II) UnloadModule: "nouveau" [ 278.140] (II) Unloading nouveau [ 278.140] (EE) Failed to load module "nouveau" (module does not exist, 0) [ 278.140] (II) LoadModule: "vesa" [ 278.140] (II) Loading /usr/lib64/xorg/modules/drivers/vesa_drv.so [ 278.140] (II) Module vesa: vendor="X.Org Foundation" [ 278.140] compiled for 1.10.2, module version = 2.3.0 [ 278.140] Module class: X.Org Video Driver [ 278.140] ABI class: X.Org Video Driver, version 10.0 [ 278.140] (II) LoadModule: "fbdev" [ 278.140] (WW) Warning, couldn't open module fbdev [ 278.140] (II) UnloadModule: "fbdev" [ 278.140] (II) Unloading fbdev [ 278.140] (EE) Failed to load module "fbdev" (module does not exist, 0) [ 278.140] (II) VESA: driver for VESA chipsets: vesa [ 278.140] (--) using VT number 1 [ 278.145] (EE) The PCI device has a kernel module claiming it, [ 278.146] (EE) this driver cannot operate until it has been unloaded. [ 278.146] (EE) Try appending "nomodeset" to your boot options [ 278.146] (WW) Falling back to old probe method for vesa [ 278.146] (EE) No devices detected. [ 278.146] Fatal server error: [ 278.146] no screens found [ 278.146] Please consult the Red Hat, Inc. support at https://www.redhat.com/apps/support/ for help. [ 278.146] Please also check the log file at "/var/log/Xorg.0.log" for additional information. [ 278.147] 所以我就通过 yum list 命令找到了相应的驱动包，然后安装。[tekkamanninja@Tekkaman-RHEL ~]$ sudo yum list *nouveau* Loaded plugins: product-id, refresh-packagekit, security, subscription-manager Updating certificate-based repositories. Unable to read consumer identity Available Packages xorg-x11-drv-nouveau.x86_64 1:0.0.16-13.20110719gitde9d1ba.el6 Server [tekkamanninja@Tekkaman-RHEL ~]$ sudo yum install xorg-x11-drv-nouveau 安装好了之后，再“startx”,图形界面就出来了。其实你还可以再log中找到其他缺少的模块，同样的通过 yum list 命令找到了相应的驱动包，然后安装就是了。 3.更改启动模式 :进入桌面还是命令界面[tekkamanninja@Tekkaman-RHEL ~]$ sudo vim /etc/inittab # System initialization is started by /etc/init/rcS.conf # # Individual runlevels are started by /etc/init/rc.conf # # Ctrl-Alt-Delete is handled by /etc/init/control-alt-delete.conf # # Terminal gettys are handled by /etc/init/tty.conf and /etc/init/serial.conf, # with configuration in /etc/sysconfig/init. # # For information on how to write upstart event handlers, or how # upstart works, see init(5), init(8), and initctl(8). # # Default runlevel. The runlevels used are: # 0 - halt (Do NOT set initdefault to this) # 1 - Single user mode # 2 - Multiuser, without NFS (The same as 3, if you do not have networking) # 3 - Full multiuser mode # 4 - unused # 5 - X11 # 6 - reboot (Do NOT set initdefault to this) # id:5:initdefault: 注释说的在清楚不过了，3为多用户界面（命令行） 5为X window图形界面
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