环境：oraclelinux7+oracle11.2.0.4
$ ./runInstaller
Starting Oracle Universal Installer...
Checking Temp space: must be greater than120 MB. Actual 898 MB Passed
Checking swap space: must be greater than150 MB. Actual 3999 MB Passed
Checking monitor: must be configured todisplay at least 256 colors
>>> Could not execute auto checkfor display colors using command /usr/bin/xdpyinfo. Check if the DISPLAYvariable is set. Failed<<<<
Some requirement checks failed. You mustfulfill these requirements before
continuing with the installation,
Continue? (y/n)
我是用root登录，执行xhost +，然后切换到oracle用户去执行./runInstaller
最后没辙，重启后直接用oracle用户登录就可以执行安装了，不是很明白，以前没有遇到过这种情况，这里先记录下吧 $ ./runInstaller
Starting Oracle Universal Installer...
Checking Temp space: must be greater than 120 MB. Actual 898 MB Passed
Checking swap space: must be greater than 150 MB. Actual 3999 MB Passed
Checking monitor: must be configured to display at least 256 colors. Actual 16777216 Passed
Preparing to launch Oracle Universal Installer from /tmp/OraInstall2017-06-08_12-40-18AM. Please wait ...
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