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*Oracle Linux 7 サーバ設定 [#p78bd9fb]

Install GNOME GUI on RHEL 7 Linux Server

If you have performend a RHEL 7 Linux Server installation and did not include Graphical User Interface (GUI) you can do it later directly from command line using yum command and selecting an appropriate installation group. To list all available installation groups on Redhat 7 Linux use:


 [root@rhel7 ~]# yum group list
 Loaded plugins: product-id, subscription-manager
 This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
 There is no installed groups file.
 Maybe run: yum groups mark convert (see man yum)
 Available environment groups:
    Minimal Install
    Infrastructure Server
    File and Print Server
    Basic Web Server
    Virtualization Host
    Server with GUI
 Available Groups:
    Compatibility Libraries
    Console Internet Tools
    Development Tools
    Graphical Administration Tools
    Legacy UNIX Compatibility
    Scientific Support
    Security Tools
    Smart Card Support
    System Administration Tools
    System Management
 Done

From the above list select Server with GUI installation group:


 [root@rhel7 ~]# yum groupinstall 'Server with GUI'
 Transaction Summary
 =================
 Install  261 Packages (+604 Dependent packages)
 
 Total download size: 527 M
 Installed size: 1.7 G
 Is this ok [y/d/N]: 


Just because gnome desktop environment is a default GUI on RHEL 7 linux system the above command will install gnome. Alternatively, you can run the below command to only install core GNOME packages:


 [root@rhel7 ~]# yum groupinstall 'X Window System' 'GNOME'


Once the installation is finished, you need to change system's runlevel to runlevel 5. Changing runlevel on RHEL 7 is done by use of systemctl command. The below command will change runlevel from runlevel 3 to runelevel 5 on RHEL 7:


 [root@rhel7 ~]# systemctl enable graphical.target --force


Depending on your previous installations you may need to accept Redhat License after you reboot your system. Once you boot to your system you can check GNOME version using:

 [root@rhel7 ~]# gnome-shell --version
 GNOME Shell 3.8.4

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