Linux安装JDK完整步骤
1、检查一下系统中的jdk版本
2、检测jdk安装包
3、卸载openjdk
4、安装新的jdk
5、设置环境变量
6、执行profile文件
7、检查新安装的jdk
回到顶部
注意:文件夹或文件没有执行权限时,记得修改其权限
解压 jdk-8u131-linux-x64.tar.gz安装包
[root@localhost software]# mkdir -p /usr/lib/jvm
[root@localhost Desktop]# chmod 777 /usr/lib/jvm [root@localhost software]# tar -zxvf jdk-8u131-linux-x64.tar.gz -C /usr/lib/jvm
[root@localhost Desktop]# pwd /root/Desktop [root@localhost Desktop]# ll total 1860 -rwxrwxrwx. 1 root root 1904640 May 18 09:27 jdk-8u331-linux-i586.tar.gz [root@localhost Desktop]# tar -zxvf jdk-8u331-linux-i586.tar.gz -C /usr/lib/jvm jdk1.8.0_331/ jdk1.8.0_331/COPYRIGHT jdk1.8.0_331/LICENSE jdk1.8.0_331/README.html jdk1.8.0_331/THIRDPARTYLICENSEREADME.txt jdk1.8.0_331/bin/ jdk1.8.0_331/bin/java-rmi.cgi jdk1.8.0_331/bin/appletviewer jdk1.8.0_331/bin/extcheck jdk1.8.0_331/bin/idlj jdk1.8.0_331/bin/jar jdk1.8.0_331/bin/jarsigner jdk1.8.0_331/bin/javac jdk1.8.0_331/bin/javadoc jdk1.8.0_331/bin/javah jdk1.8.0_331/bin/javap jdk1.8.0_331/bin/jdeps jdk1.8.0_331/bin/jconsole jdk1.8.0_331/bin/jdb jdk1.8.0_331/bin/jhat jdk1.8.0_331/bin/jinfo jdk1.8.0_331/bin/jmap jdk1.8.0_331/bin/jps jdk1.8.0_331/bin/jrunscript jdk1.8.0_331/bin/jjs jdk1.8.0_331/bin/jsadebugd jdk1.8.0_331/bin/jstack jdk1.8.0_331/bin/jstat jdk1.8.0_331/bin/jstatd jdk1.8.0_331/bin/keytool jdk1.8.0_331/bin/native2ascii jdk1.8.0_331/bin/policytool jdk1.8.0_331/bin/schemagen jdk1.8.0_331/bin/rmic jdk1.8.0_331/bin/serialver jdk1.8.0_331/bin/xjc jdk1.8.0_331/bin/wsgen jdk1.8.0_331/bin/wsimport jdk1.8.0_331/bin/orbd jdk1.8.0_331/bin/servertool jdk1.8.0_331/bin/tnameserv jdk1.8.0_331/bin/pack200 jdk1.8.0_331/bin/rmid jdk1.8.0_331/bin/rmiregistry jdk1.8.0_331/bin/jcmd jdk1.8.0_331/bin/java jdk1.8.0_331/bin/unpack200 jdk1.8.0_331/bin/javaws jdk1.8.0_331/bin/jcontrol jdk1.8.0_331/bin/ControlPanel jdk1.8.0_331/bin/jvisualvm jdk1.8.0_331/bin/javafxpackager jdk1.8.0_331/bin/javapackager jdk1.8.0_331/include/ jdk1.8.0_331/include/jdwpTransport.h jdk1.8.0_331/include/jni.h jdk1.8.0_331/include/jvmti.h jdk1.8.0_331/include/jvmticmlr.h jdk1.8.0_331/include/jawt.h jdk1.8.0_331/include/classfile_constants.h jdk1.8.0_331/include/linux/ jdk1.8.0_331/include/linux/jni_md.h jdk1.8.0_331/include/linux/jawt_md.h jdk1.8.0_331/jre/ jdk1.8.0_331/jre/bin/ jdk1.8.0_331/jre/bin/keytool jdk1.8.0_331/jre/bin/jjs jdk1.8.0_331/jre/bin/policytool jdk1.8.0_331/jre/bin/orbd jdk1.8.0_331/jre/bin/servertool jdk1.8.0_331/jre/bin/tnameserv jdk1.8.0_331/jre/bin/pack200 jdk1.8.0_331/jre/bin/rmid jdk1.8.0_331/jre/bin/rmiregistry jdk1.8.0_331/jre/bin/java jdk1.8.0_331/jre/bin/unpack200 jdk1.8.0_331/jre/bin/javaws jdk1.8.0_331/jre/bin/jcontrol jdk1.8.0_331/jre/bin/ControlPanel jdk1.8.0_331/jre/lib/ jdk1.8.0_331/jre/lib/i386/ jdk1.8.0_331/jre/lib/i386/libjsig.so jdk1.8.0_331/jre/lib/i386/server/ jdk1.8.0_331/jre/lib/i386/server/libjvm.so gzip: stdin: unexpected end of file tar: Unexpected EOF in archive tar: Unexpected EOF in archive tar: Error is not recoverable: exiting now [root@localhost Desktop]#回到顶部 回到顶部 回到顶部
9、查看Linux内核版本命令,两种方法都可以
输入:cat /proc/version
输入:uname -a