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深蓝的blog：http://blog.csdn.net/huangyanlong/article/details/45021981
操作系统：CentOS 7
安装oracle版本：Oracle12C 12.1.0.1
使用X-Manager中Xstart工具可以实现远程调用图形化界面，所以使用该工具远程连接linux系统。
方法一：
（1）、配置yum
略
（2）、yum安装包
[[email protected] scripts]# yum install -y xterm
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