第一步：列出可安裝的桌面環境

[root@local ~]# yum grouplist

　　第二步：安裝GNOME及相應桌面管理工具

[root@local ~]# yum group info  "Graphical Administration Tools" ＃ 查看安裝的包有哪些內容
[root@local ~]# yum -y groups install "GNOME DESKTOP" "Graphical Administration Tools"

　　第三步：設置開機啟動為GNOME

[root@local ~]# systemctl set-default
 
 graphical.target

　　第四步：重啟

[root@local ~]# reboot

　　第五步：安裝相應軟件

　　　　1）五筆

[root@local ~]#yum install ibus ibus-table-wubi

　　　　2）sublime

　　　　下載sb3 http://www.sublimetext.com/3

　　　　解壓到 /usr/local 目錄

　　　　編輯 /usr/local/sublime_text_3/sublime_text.desktop ，紅色為修改內容

[Desktop Entry]
Version=1.0
Type=Application
Name=Sublime Text
GenericName=Text Editor
Comment=Sophisticated text editor for code, markup and prose
Exec=/usr/local/sublime_text_3/sublime_text
 
 %F
Terminal=false
MimeType=text/plain;
Icon=/usr/local/sublime_text_3/Icon/48x48/sublime-text.png
Categories=TextEditor;Development;
StartupNotify=true
Actions=Window;Document;

[Desktop Action Window]
Name=New Window
Exec=/usr/local/sublime_text_3/sublime_text -n
OnlyShowIn=Unity;

[Desktop Action Document]
Name=New File
Exec=/usr/local/sublime_text_3/sublime_text
 
 --command new_file
OnlyShowIn=Unity;

　　把圖標添加到快捷啟動

[root@local ~]#cp sublime_text.desktop /usr/local/share/applications/

　　3）smartgit

　　下載st https://www.syntevo.com/smartgit/download/

　　解壓到 /usr/local 目錄

　　添加桌面快捷啟動圖標

[root@local ~]#/usr/local/smartgit/bin/add-menuitem.sh

　　安裝git

[root@local ~]#yum -y install git

　　4）google chrome

Centos 7 安裝GNOME桌面環境