检查一下系统中的jdk版本
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[hadoop@master ~]$ java -versionopenjdk version "1.8.0_222-ea"OpenJDK Runtime Environment (build 1.8.0_222-ea-b03)OpenJDK 64-Bit Server VM (build 25.222-b03, mixed mode) |
检测jdk安装包
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[hadoop@master ~]$ rpm -qa | grep javapython-javapackages-3.4.1-11.el7.noarchjavapackages-tools-3.4.1-11.el7.noarchtzdata-java-2019b-1.el7.noarchjava-1.8.0-openjdk-headless-1.8.0.222.b03-1.el7.x86_64java-1.8.0-openjdk-1.8.0.222.b03-1.el7.x86_64[hadoop@master ~]$ |
卸载openjdk
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[hadoop@master ~]$ sudo yum -y remove *openjdk*[sudo] password for hadoop:Loaded plugins: langpacks, ulninfoResolving Dependencies--> Running transaction check---> Package java-1.8.0-openjdk.x86_64 1:1.8.0.222.b03-1.el7 will be erased--> Processing Dependency: java >= 1.5 for package: jline-1.0-8.el7.noarch--> Processing Dependency: java-1.8.0-openjdk for package: icedtea-web-1.7.1-1.el7.x86_64---> Package java-1.8.0-openjdk-headless.x86_64 1:1.8.0.222.b03-1.el7 will be erased--> Running transaction check---> Package icedtea-web.x86_64 0:1.7.1-1.el7 will be erased---> Package jline.noarch 0:1.0-8.el7 will be erased--> Processing Dependency: jline for package: rhino-1.7R5-1.el7.noarch--> Running transaction check---> Package rhino.noarch 0:1.7R5-1.el7 will be erased--> Finished Dependency Resolutionol7_UEKR5/x86_64 | 2.5 kB 00:00:00 ol7_latest/x86_64 | 2.7 kB 00:00:00 Dependencies Resolved ========================================================================================================================================================================================================== Package Arch Version Repository Size==========================================================================================================================================================================================================Removing: java-1.8.0-openjdk x86_64 1:1.8.0.222.b03-1.el7 @anaconda/7.7 642 k java-1.8.0-openjdk-headless x86_64 1:1.8.0.222.b03-1.el7 @anaconda/7.7 106 MRemoving for dependencies: icedtea-web x86_64 1.7.1-1.el7 @anaconda/7.7 2.3 M jline noarch 1.0-8.el7 @anaconda/7.7 72 k rhino noarch 1.7R5-1.el7 @anaconda/7.7 1.1 M Transaction Summary==========================================================================================================================================================================================================Remove 2 Packages (+3 Dependent packages) Installed size: 110 MDownloading packages:Running transaction checkRunning transaction testTransaction test succeededRunning transaction Erasing : icedtea-web-1.7.1-1.el7.x86_64 1/5 Erasing : rhino-1.7R5-1.el7.noarch 2/5 Erasing : jline-1.0-8.el7.noarch 3/5 Erasing : 1:java-1.8.0-openjdk-1.8.0.222.b03-1.el7.x86_64 4/5 Erasing : 1:java-1.8.0-openjdk-headless-1.8.0.222.b03-1.el7.x86_64 5/5 Verifying : 1:java-1.8.0-openjdk-headless-1.8.0.222.b03-1.el7.x86_64 1/5 Verifying : 1:java-1.8.0-openjdk-1.8.0.222.b03-1.el7.x86_64 2/5 Verifying : icedtea-web-1.7.1-1.el7.x86_64 3/5 Verifying : rhino-1.7R5-1.el7.noarch 4/5 Verifying : jline-1.0-8.el7.noarch 5/5 Removed: java-1.8.0-openjdk.x86_64 1:1.8.0.222.b03-1.el7 java-1.8.0-openjdk-headless.x86_64 1:1.8.0.222.b03-1.el7 Dependency Removed: icedtea-web.x86_64 0:1.7.1-1.el7 jline.noarch 0:1.0-8.el7 rhino.noarch 0:1.7R5-1.el7 Complete! |
上传安装介质并解压
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设置环境变量,在/etc/profile最前面加上
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export JAVA_HOME=/usr/lib/jvm/jdk1.8.0_191export JRE_HOME=${JAVA_HOME}/jreexport CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/libexport PATH=${JAVA_HOME}/bin:$PATH |
最后生效一下source /etc/profile
到此这篇关于如何卸载linux自带openjdk并安装sun jdk的文章就介绍到这了,更多相关卸载openjdk并安装sun jdk内容请搜索服务器之家以前的文章或继续浏览下面的相关文章希望大家以后多多支持服务器之家！
原文链接：https://www.cnblogs.com/yongestcat/p/13222963.html
