Linux CentOS 7 安装JDK详细步骤
Linux CentOS 7 安装JDK详细步骤
第一种方式：yum命令安装
检索包含java的列表
[root@node-100 ~]# yum list java*如果有结果类似如下：
[root@node-100 ~]# yum list java*
已加载插件：fastestmirror, langpacks
Determining fastest mirrors
* base: mirrors.nwsuaf.edu.cn
* extras: mirrors.cn99.com
* updates: mirrors.cn99.com
可安装的软件包
java-1.6.0-openjdk.x86_64 1:1.6.0.41-1.13.13.1.el7_3 base
java-1.6.0-openjdk-demo.x86_64 1:1.6.0.41-1.13.13.1.el7_3 base
java-1.6.0-openjdk-devel.x86_64 1:1.6.0.41-1.13.13.1.el7_3 base
java-1.6.0-openjdk-javadoc.x86_64 1:1.6.0.41-1.13.13.1.el7_3 base
java-1.6.0-openjdk-src.x86_64 1:1.6.0.41-1.13.13.1.el7_3 base
java-1.7.0-openjdk.x86_64 1:1.7.0.201-2.6.16.1.el7_6 updates
java-1.7.0-openjdk-accessibility.x86_64 1:1.7.0.201-2.6.16.1.el7_6 updates
java-1.7.0-openjdk-demo.x86_64 1:1.7.0.201-2.6.16.1.el7_6 updates
java-1.7.0-openjdk-devel.x86_64 1:1.7.0.201-2.6.16.1.el7_6 updates
java-1.7.0-openjdk-headless.x86_64 1:1.7.0.201-2.6.16.1.el7_6 updates
java-1.7.0-openjdk-javadoc.noarch 1:1.7.0.201-2.6.16.1.el7_6 updates
java-1.7.0-openjdk-src.x86_64 1:1.7.0.201-2.6.16.1.el7_6 updates
java-1.8.0-openjdk.i686 1:1.8.0.191.b12-1.el7_6 updates
java-1.8.0-openjdk.x86_64 1:1.8.0.191.b12-1.el7_6 updates
java-1.8.0-openjdk-accessibility.i686 1:1.8.0.191.b12-1.el7_6 updates
java-1.8.0-openjdk-accessibility.x86_64 1:1.8.0.191.b12-1.el7_6 updates
java-1.8.0-openjdk-accessibility-debug.i686 1:1.8.0.191.b12-1.el7_6 updates
java-1.8.0-openjdk-accessibility-debug.x86_64 1:1.8.0.191.b12-1.el7_6 updates
java-1.8.0-openjdk-debug.i686 1:1.8.0.191.b12-1.el7_6 updates
java-1.8.0-openjdk-debug.x86_64 1:1.8.0.191.b12-1.el7_6 updates
java-1.8.0-openjdk-demo.i686 1:1.8.0.191.b12-1.el7_6 updates
java-1.8.0-openjdk-demo.x86_64 1:1.8.0.191.b12-1.el7_6 updates
java-1.8.0-openjdk-demo-debug.i686 1:1.8.0.191.b12-1.el7_6 updates
java-1.8.0-openjdk-demo-debug.x86_64 1:1.8.0.191.b12-1.el7_6 updates
java-1.8.0-openjdk-devel.i686 1:1.8.0.191.b12-1.el7_6 updates
java-1.8.0-openjdk-devel.x86_64 1:1.8.0.191.b12-1.el7_6 updates
java-1.8.0-openjdk-devel-debug.i686 1:1.8.0.191.b12-1.el7_6 updates
java-1.8.0-openjdk-devel-debug.x86_64 1:1.8.0.191.b12-1.el7_6 updates
java-1.8.0-openjdk-headless.i686 1:1.8.0.191.b12-1.el7_6 updates
java-1.8.0-openjdk-headless.x86_64 1:1.8.0.191.b12-1.el7_6 updates
java-1.8.0-openjdk-headless-debug.i686 1:1.8.0.191.b12-1.el7_6 updates
java-1.8.0-openjdk-headless-debug.x86_64 1:1.8.0.191.b12-1.el7_6 updates
java-1.8.0-openjdk-javadoc.noarch 1:1.8.0.191.b12-1.el7_6 updates
java-1.8.0-openjdk-javadoc-debug.noarch 1:1.8.0.191.b12-1.el7_6 updates
java-1.8.0-openjdk-javadoc-zip.noarch 1:1.8.0.191.b12-1.el7_6 updates
java-1.8.0-openjdk-javadoc-zip-debug.noarch 1:1.8.0.191.b12-1.el7_6 updates
java-1.8.0-openjdk-src.i686 1:1.8.0.191.b12-1.el7_6 updates
java-1.8.0-openjdk-src.x86_64 1:1.8.0.191.b12-1.el7_6 updates
java-1.8.0-openjdk-src-debug.i686 1:1.8.0.191.b12-1.el7_6 updates
java-1.8.0-openjdk-src-debug.x86_64 1:1.8.0.191.b12-1.el7_6 updates
java-11-openjdk.i686 1:11.0.1.13-3.el7_6 updates
java-11-openjdk.x86_64 1:11.0.1.13-3.el7_6 updates
java-11-openjdk-debug.i686 1:11.0.1.13-3.el7_6 updates
java-11-openjdk-debug.x86_64 1:11.0.1.13-3.el7_6 updates
java-11-openjdk-demo.i686 1:11.0.1.13-3.el7_6 updates
java-11-openjdk-demo.x86_64 1:11.0.1.13-3.el7_6 updates
java-11-openjdk-demo-debug.i686 1:11.0.1.13-3.el7_6 updates
java-11-openjdk-demo-debug.x86_64 1:11.0.1.13-3.el7_6 updates
java-11-openjdk-devel.i686 1:11.0.1.13-3.el7_6 updates
java-11-openjdk-devel.x86_64 1:11.0.1.13-3.el7_6 updates
java-11-openjdk-devel-debug.i686 1:11.0.1.13-3.el7_6 updates
java-11-openjdk-devel-debug.x86_64 1:11.0.1.13-3.el7_6 updates
java-11-openjdk-headless.i686 1:11.0.1.13-3.el7_6 updates
java-11-openjdk-headless.x86_64 1:11.0.1.13-3.el7_6 updates
java-11-openjdk-headless-debug.i686 1:11.0.1.13-3.el7_6 updates
java-11-openjdk-headless-debug.x86_64 1:11.0.1.13-3.el7_6 updates
java-11-openjdk-javadoc.i686 1:11.0.1.13-3.el7_6 updates
java-11-openjdk-javadoc.x86_64 1:11.0.1.13-3.el7_6 updates
java-11-openjdk-javadoc-debug.i686 1:11.0.1.13-3.el7_6 updates
java-11-openjdk-javadoc-debug.x86_64 1:11.0.1.13-3.el7_6 updates
java-11-openjdk-javadoc-zip.i686 1:11.0.1.13-3.el7_6 updates
java-11-openjdk-javadoc-zip.x86_64 1:11.0.1.13-3.el7_6 updates
java-11-openjdk-javadoc-zip-debug.i686 1:11.0.1.13-3.el7_6 updates
java-11-openjdk-javadoc-zip-debug.x86_64 1:11.0.1.13-3.el7_6 updates
java-11-openjdk-jmods.i686 1:11.0.1.13-3.el7_6 updates
java-11-openjdk-jmods.x86_64 1:11.0.1.13-3.el7_6 updates
java-11-openjdk-jmods-debug.i686 1:11.0.1.13-3.el7_6 updates
java-11-openjdk-jmods-debug.x86_64 1:11.0.1.13-3.el7_6 updates
java-11-openjdk-src.i686 1:11.0.1.13-3.el7_6 updates
java-11-openjdk-src.x86_64 1:11.0.1.13-3.el7_6 updates
java-11-openjdk-src-debug.i686 1:11.0.1.13-3.el7_6 updates
java-11-openjdk-src-debug.x86_64 1:11.0.1.13-3.el7_6 updates
java-atk-wrapper.i686 0.30.4-5.el7 base
java-atk-wrapper.x86_64 0.30.4-5.el7 base
java_cup.noarch 1:0.11a-16.el7 base
java_cup-javadoc.noarch 1:0.11a-16.el7 base
java_cup-manual.noarch 1:0.11a-16.el7 base
javacc.noarch 5.0-10.el7 base
javacc-demo.noarch 5.0-10.el7 base
javacc-javadoc.noarch 5.0-10.el7 base
javacc-manual.noarch 5.0-10.el7 base
javacc-maven-plugin.noarch 2.6-17.el7 base
javacc-maven-plugin-javadoc.noarch 2.6-17.el7 base
javamail.noarch 1.4.6-8.el7 base
javamail-javadoc.noarch 1.4.6-8.el7 base
javapackages-tools.noarch 3.4.1-11.el7 base
javassist.noarch 3.16.1-10.el7 base
javassist-javadoc.noarch 3.16.1-10.el7 base
[root@node-100 ~]# 选择需要的JDK版本yum命令安装：
yum install -y java-1.8.0-openjdk-devel.x86_64 检查版本：
[root@node-100 ~]# java -version
java version "1.8.0_191"
Java(TM) SE Runtime Environment (build 1.8.0_191-b12)
Java HotSpot(TM) 64-Bit Server VM (build 25.191-b12, mixed mode)
[root@node-100 ~]# 第二种方式：下载后安装
去Oracle官网下载所需JDK版本:
https://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
上传至所在服务器，进行解压后
[root@node-100 jdk1.8.0_191]# pwd
/usr/local/java/jdk1.8.0_191
[root@node-100 jdk1.8.0_191]# ls
bin COPYRIGHT include javafx-src.zip jre lib LICENSE man README.html release src.zip THIRDPARTYLICENSEREADME-JAVAFX.txt THIRDPARTYLICENSEREADME.txt
[root@node-100 jdk1.8.0_191]# 设置环境变量：
[root@node-100 ~]# vim /etc/profile新增：
#设置jdk环境变量
export JAVA_HOME=/usr/local/java/jdk1.8.0_191 #jdk安装目录
export JRE_HOME=${JAVA_HOME}/jre
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib:$CLASSPATH
export JAVA_PATH=${JAVA_HOME}/bin:${JRE_HOME}/bin
export PATH=$PATH:${JAVA_PATH}
:wq #保存使其生效：
[root@node-100 ~]# source /etc/profile
[root@node-100 ~]# 检查版本：
[root@node-100 ~]# java -version
java version "1.8.0_191"
Java(TM) SE Runtime Environment (build 1.8.0_191-b12)
Java HotSpot(TM) 64-Bit Server VM (build 25.191-b12, mixed mode)
[root@node-100 ~]#完。
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原始发表：2019.01.03 ，如有侵权请联系 cloudcommunity@tencent.com 删除
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