Could not execute auto check for display colors using command /usr/bin/xdpyinfo. Check if the DISPL
[grid@node grid]$ ./runInstaller Starting Oracle Universal Installer... Checking Temp space: must be greater than 120 MB. Actual 6332 MB Passed Checking swap space: must be greater than 150 MB. Actual 2047 MB Passed Checking monitor: must be configured to display at least 256 colors >>> Could not execute auto check for display colors using command /usr/bin/xdpyinfo. Check if the DISPLAY variable is set. Failed <<<< Some requirement checks failed. You must fulfill these requirements before continuing with the installation, Continue? (y/n) [n] y >>> Ignoring required pre-requisite failures. Continuing... Preparing to launch Oracle Universal Installer from /tmp/OraInstall2019-02-22_08-49-00PM. Please wait ...[grid@node grid]$ Exception in thread "main" java.lang.NoClassDefFoundError at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:164) at java.awt.Toolkit$2.run(Toolkit.java:821) at java.security.AccessController.doPrivileged(Native Method) at java.awt.Toolkit.getDefaultToolkit(Toolkit.java:804) at com.jgoodies.looks.LookUtils.isLowResolution(Unknown Source) at com.jgoodies.looks.LookUtils.<clinit>(Unknown Source) at com.jgoodies.looks.plastic.PlasticLookAndFeel.<clinit>(PlasticLookAndFeel.java:122) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:242) at javax.swing.SwingUtilities.loadSystemClass(SwingUtilities.java:1783) at javax.swing.UIManager.setLookAndFeel(UIManager.java:480) at oracle.install.commons.util.Application.startup(Application.java:758) at oracle.install.commons.flow.FlowApplication.startup(FlowApplication.java:164) at oracle.install.commons.flow.FlowApplication.startup(FlowApplication.java:181) at oracle.install.commons.base.driver.common.Installer.startup(Installer.java:265) at oracle.install.ivw.crs.driver.CRSInstaller.startup(CRSInstaller.java:96) at oracle.install.ivw.crs.driver.CRSInstaller.main(CRSInstaller.java:103) 解決辦法： （正常情況下可以使用"xhost +"命令以及“export DISPLAY=ip address：0.0”這樣的命令輕鬆解決，以下介紹的方法是這些命令無法解決的情況下可嘗試使用。） 把系統註銷，然後使用Oracle用戶(或者別的安裝軟件的用戶)直接登錄系統進入即可！ 另外注意：環境變量配置文件中，如果加上官方文檔中的一個參數 export DISPLAY=local_host:0.0 會導致不能以Oracle用戶的身份登錄到圖形界面，提示什麼10s什麼的