Linux JDK security loading and unloading

Uninstalling the JDK

[[email protected] ~]# rpm-qa|grep JDK//query installed JDK
Java-1.7.0-openjdk-1.7.0.79-2.5.5.3.el6_6.x86_64
[[email protected] ~]# #rpm-E--nodeps ava-1.7.0-openjdk-1.7.0.79-2.5.5.3.el6_6.x86_64//Uninstall installed JDK

[[email protected] soft]# chmod u+x jdk-6u45-linux-x64.bin//Execute permissions for JDK installation files

[[email protected] soft]#./jdk-6u45-linux-x64.bin//install JDK

[[email protected] jdk1.6.0_45]# vi/etc/profile//configure JDK environment variables

Export java_home=/opt/soft/jdk1.6.0_45
Export Classpath= $JAVA _home/lib
Export path= $JAVA _home/bin: $PATH

[[email protected] jdk1.6.0_45]# source/etc/profile//Make configuration file effective immediately

[[email protected] jdk1.6.0_45]# java-version//test Successful
Java Version "1.6.0_45"
Java (TM) SE Runtime Environment (build 1.6.0_45-b06)
Java HotSpot (TM) 64-bit Server VM (build 20.45-b01, Mixed mode)

　

Linux JDK security loading and unloading