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  • CentOS在线安装JDK

    一、通过yum命令在线安装jdk

    1.查看云端目前支持安装的jdk版本

    [root@localhost ~]# yum search java|grep jdk
    ldapjdk-javadoc.noarch : Javadoc for ldapjdk
    java-1.6.0-openjdk.x86_64 : OpenJDK Runtime Environment
    java-1.6.0-openjdk-demo.x86_64 : OpenJDK Demos
    java-1.6.0-openjdk-devel.x86_64 : OpenJDK Development Environment
    java-1.6.0-openjdk-javadoc.x86_64 : OpenJDK API Documentation
    java-1.6.0-openjdk-src.x86_64 : OpenJDK Source Bundle
    java-1.7.0-openjdk.x86_64 : OpenJDK Runtime Environment
    java-1.7.0-openjdk-accessibility.x86_64 : OpenJDK accessibility connector
    java-1.7.0-openjdk-demo.x86_64 : OpenJDK Demos
    java-1.7.0-openjdk-devel.x86_64 : OpenJDK Development Environment
    java-1.7.0-openjdk-headless.x86_64 : The OpenJDK runtime environment without
    java-1.7.0-openjdk-javadoc.noarch : OpenJDK API Documentation
    java-1.7.0-openjdk-src.x86_64 : OpenJDK Source Bundle
    java-1.8.0-openjdk.i686 : OpenJDK Runtime Environment
    java-1.8.0-openjdk.x86_64 : OpenJDK Runtime Environment
    java-1.8.0-openjdk-accessibility.i686 : OpenJDK accessibility connector
    java-1.8.0-openjdk-accessibility.x86_64 : OpenJDK accessibility connector
    java-1.8.0-openjdk-accessibility-debug.i686 : OpenJDK accessibility connector
    java-1.8.0-openjdk-accessibility-debug.x86_64 : OpenJDK accessibility connector
    java-1.8.0-openjdk-debug.i686 : OpenJDK Runtime Environment with full debug on
    java-1.8.0-openjdk-debug.x86_64 : OpenJDK Runtime Environment with full debug on
    java-1.8.0-openjdk-demo.i686 : OpenJDK Demos
    java-1.8.0-openjdk-demo.x86_64 : OpenJDK Demos
    java-1.8.0-openjdk-demo-debug.i686 : OpenJDK Demos with full debug on
    java-1.8.0-openjdk-demo-debug.x86_64 : OpenJDK Demos with full debug on
    java-1.8.0-openjdk-devel.i686 : OpenJDK Development Environment
    java-1.8.0-openjdk-devel.x86_64 : OpenJDK Development Environment
    java-1.8.0-openjdk-devel-debug.i686 : OpenJDK Development Environment with full
    java-1.8.0-openjdk-devel-debug.x86_64 : OpenJDK Development Environment with
    java-1.8.0-openjdk-headless.i686 : OpenJDK Runtime Environment
    java-1.8.0-openjdk-headless.x86_64 : OpenJDK Runtime Environment
    java-1.8.0-openjdk-headless-debug.i686 : OpenJDK Runtime Environment with full
    java-1.8.0-openjdk-headless-debug.x86_64 : OpenJDK Runtime Environment with full
    java-1.8.0-openjdk-javadoc.noarch : OpenJDK API Documentation
    java-1.8.0-openjdk-javadoc-debug.noarch : OpenJDK API Documentation for packages
    java-1.8.0-openjdk-javadoc-zip.noarch : OpenJDK API Documentation compressed in
    java-1.8.0-openjdk-javadoc-zip-debug.noarch : OpenJDK API Documentation
    java-1.8.0-openjdk-src.i686 : OpenJDK Source Bundle
    java-1.8.0-openjdk-src.x86_64 : OpenJDK Source Bundle
    java-1.8.0-openjdk-src-debug.i686 : OpenJDK Source Bundle for packages with
    java-1.8.0-openjdk-src-debug.x86_64 : OpenJDK Source Bundle for packages with
    ldapjdk.noarch : The Mozilla LDAP Java SDK

    2.选择版本后,安装(执行以下命令会自动安装jdk相关依赖)

    [root@localhost ~]#  yum install -y java-1.8.0-openjdk
    已加载插件:fastestmirror
    Loading mirror speeds from cached hostfile
     * base: mirrors.zju.edu.cn
     * extras: mirror.bit.edu.cn
     * updates: mirrors.aliyun.com
    正在解决依赖关系
    --> 正在检查事务
    ---> 软件包 java-1.8.0-openjdk.x86_64.1.1.8.0.151-5.b12.el7_4 将被 安装
    --> 正在处理依赖关系 java-1.8.0-openjdk-headless(x86-64) = 1:1.8.0.151-5.b12.el7_4,它被软件包 1:java-1.8.0-openjdk-1.8.0.151-5.b12.el7_4.x86_64 需要
    --> 正在处理依赖关系 xorg-x11-fonts-Type1,它被软件包 1:java-1.8.0-openjdk-1.8.0.151-5.b12.el7_4.x86_64 需要
    --> 正在处理依赖关系 libpng15.so.15(PNG15_0)(64bit),它被软件包 1:java-1.8.0-openjdk-1.8.0.151-5.b12.el7_4.x86_64 需要
    --> 正在处理依赖关系 libjvm.so(SUNWprivate_1.1)(64bit),它被软件包 1:java-1.8.0-openjdk-1.8.0.151-5.b12.el7_4.x86_64 需要
    --> 正在处理依赖关系 libjpeg.so.62(LIBJPEG_6.2)(64bit),它被软件包 1:java-1.8.0-openjdk-1.8.0.151-5.b12.el7_4.x86_64 需要
    --> 正在处理依赖关系 libjli.so(SUNWprivate_1.1)(64bit),它被软件包 1:java-1.8.0-openjdk-1.8.0.151-5.b12.el7_4.x86_64 需要
    --> 正在处理依赖关系 libjava.so(SUNWprivate_1.1)(64bit),它被软件包 1:java-1.8.0-openjdk-1.8.0.151-5.b12.el7_4.x86_64 需要
    --> 正在处理依赖关系 fontconfig(x86-64),它被软件包 1:java-1.8.0-openjdk-1.8.0.151-5.b12.el7_4.x86_64 需要
    --> 正在处理依赖关系 libpng15.so.15()(64bit),它被软件包 1:java-1.8.0-openjdk-1.8.0.151-5.b12.el7_4.x86_64 需要
    --> 正在处理依赖关系 libjvm.so()(64bit),它被软件包 1:java-1.8.0-openjdk-1.8.0.151-5.b12.el7_4.x86_64 需要
    --> 正在处理依赖关系 libjpeg.so.62()(64bit),它被软件包 1:java-1.8.0-openjdk-1.8.0.151-5.b12.el7_4.x86_64 需要
    --> 正在处理依赖关系 libjli.so()(64bit),它被软件包 1:java-1.8.0-openjdk-1.8.0.151-5.b12.el7_4.x86_64 需要
    --> 正在处理依赖关系 libjava.so()(64bit),它被软件包 1:java-1.8.0-openjdk-1.8.0.151-5.b12.el7_4.x86_64 需要
    --> 正在处理依赖关系 libgif.so.4()(64bit),它被软件包 1:java-1.8.0-openjdk-1.8.0.151-5.b12.el7_4.x86_64 需要
    --> 正在处理依赖关系 libawt.so()(64bit),它被软件包 1:java-1.8.0-openjdk-1.8.0.151-5.b12.el7_4.x86_64 需要
    --> 正在处理依赖关系 libXtst.so.6()(64bit),它被软件包 1:java-1.8.0-openjdk-1.8.0.151-5.b12.el7_4.x86_64 需要
    --> 正在处理依赖关系 libXrender.so.1()(64bit),它被软件包 1:java-1.8.0-openjdk-1.8.0.151-5.b12.el7_4.x86_64 需要
    --> 正在处理依赖关系 libXi.so.6()(64bit),它被软件包 1:java-1.8.0-openjdk-1.8.0.151-5.b12.el7_4.x86_64 需要
    --> 正在处理依赖关系 libXext.so.6()(64bit),它被软件包 1:java-1.8.0-openjdk-1.8.0.151-5.b12.el7_4.x86_64 需要
    --> 正在处理依赖关系 libXcomposite.so.1()(64bit),它被软件包 1:java-1.8.0-openjdk-1.8.0.151-5.b12.el7_4.x86_64 需要
    --> 正在处理依赖关系 libX11.so.6()(64bit),它被软件包 1:java-1.8.0-openjdk-1.8.0.151-5.b12.el7_4.x86_64 需要
    ... ...

    3.安装完成,验证是否安装成功

    [root@localhost ~]# java -version
    openjdk version "1.8.0_151"
    OpenJDK Runtime Environment (build 1.8.0_151-b12)
    OpenJDK 64-Bit Server VM (build 25.151-b12, mixed mode)

    4.通过搜索java文件,查找jdk默认安装目录

    [root@localhost ~]# find / -name 'java'
    /etc/pki/ca-trust/extracted/java
    /etc/pki/java
    /etc/java
    /etc/alternatives/java
    /var/lib/alternatives/java
    /usr/bin/java
    /usr/lib/java
    /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.151-5.b12.el7_4.x86_64/jre/bin/java
    /usr/share/java

    备注:通过yum命令在线安装jdk简单、快捷、无需配置环境变量即可使用java相关服务。

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  • 原文地址:https://www.cnblogs.com/skychenjiajun/p/8177105.html
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