Ubuntu 16.04 安装 java 8的方法
1.下载java
离线下载
wget--no-cookies--no-check-certificate--header"Cookie:gpw_e24=http%3A%2F%2Fwww.oracle.com%2F;oraclelicense=accept-securebackup-cookie”“http://download.oracle.com/otn-pub/java/jdk/8u141-b15/336fa29ff2bb4ef291e347e091f7f4a7/jdk-8u141-linux-x64.tar.gz"
转载自:https://blog.csdn.net/dandan920107/article/details/94398465
2.解压
将下载的jdk-8u141-linux-x64.tar.gz拷贝致opt目录
mkdir/opt/java/ cd/opt/ tar-zxvfjdk-8u141-linux-x64.tar.gz-Cjava
3.创建软连接
cd/bin sudoln-s/opt/jdk1.8.0_141/bin/javajava
3.配置环境变量
sudovi/etc/profile
在最后加入
exportJAVA_HOME=/opt/java/jdk1.8.0_141
exportPATH=${JAVA_HOME}/bin:${PATH}
保存退出,最后使之生效
source/etc/profile
4.验证
java-version
结果:
javaversion"1.8.0_141" Java(TM)SERuntimeEnvironment(build1.8.0_141-b15) JavaHotSpot(TM)64-BitServerVM(build25.141-b15,mixedmode)
附录：下面看下wget下载java8离线安装包forlinux
wget--no-cookies--no-check-certificate--header“Cookie:gpw_e24=http%3A%2F%2Fwww.oracle.com%2F;oraclelicense=accept-securebackup-cookie”“http://download.oracle.com/otn-pub/java/jdk/8u141-b15/336fa29ff2bb4ef291e347e091f7f4a7/jdk-8u141-linux-x64.tar.gz”
总结
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