- Mengemas kini sistem
- Keluarkan apa-apa versi yang dipasang
- Muat turun Java JDK6, JDK7 atau JDK8
- Pasang Java JDK6, JDK7 atau JDK8
- Set-up Java JDK6 atau JDK7
- Sahkan Java JDK6 atau pemasangan JDK7
1.Mengemas kini sistem
$yum update
2-Keluarkan apa-apa versi yang dipasang
$rpm -aq | grep -i jdk
java-1.7.0-openjdk-devel-1......
jdk-1.7.0_45-fcs.x86_64....
java-1.7.0-openjdk-1......
$yum remove jdk
$rpm -qa | grep java
$rpm -e jdk-1..... (buang yang tak berkenaan jdk,java etc)
3-Muat turun Java JDK6, JDK7 atau JDK8
$wget --no-cookies \
--no-check-certificate \
--header "Cookie: oraclelicense=accept-securebackup-cookie" \
"http://download.oracle.com/otn/java/jdk/6u45-b06/jdk-6u45-linux-x64-rpm.bin" \
-O /opt/jdk-6u45-linux-x64-rpm.bin
4-Pasang Java JDK6, JDK7 atau JDK8
$chmod +x /opt/jdk-6u45-linux-i586-rpm.bin
$/opt/./jdk-6u45-linux-i586-rpm.bin
5-Setting pakej JDK 6 (cth)
alternatives --install /usr/bin/java java /usr/java/jdk1.6.0_45/jre/bin/java 20000
alternatives --install /usr/bin/jar jar /usr/java/jdk1.6.0_45/bin/jar 20000
alternatives --install /usr/bin/javac javac /usr/java/jdk1.6.0_45/bin/javac 20000
alternatives --install /usr/bin/javaws javaws /usr/java/jdk1.6.0_45/jre/bin/javaws 20000
alternatives --set java /usr/java/jdk1.6.0_45/jre/bin/java
alternatives --set javaws /usr/java/jdk1.6.0_45/jre/bin/javaws
alternatives --set javac /usr/java/jdk1.6.0_45/bin/javac
alternatives --set jar /usr/java/jdk1.6.0_45/bin/jar
-Periksa senarai list seting.
$ls -lA /etc/alternatives/
lrwxrwxrwx. 1 root root 29 Feb 22 03:39 jar -> /usr/java/jdk1.6.0_45/bin/jar
lrwxrwxrwx. 1 root root 34 Feb 22 03:39 java -> /usr/java/jdk1.6.0_45/jre/bin/java
lrwxrwxrwx. 1 root root 31 Feb 22 03:39 javac -> /usr/java/jdk1.6.0_45/bin/javac
lrwxrwxrwx. 1 root root 36 Feb 22 03:39 javaws -> /usr/java/jdk1.6.0_45/jre/bin/javaws
atau
$alternatives --config java
6- Periksa versi Java.
$java -version
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)
Sumber http://d.stavrovski.net/blog/post/how-to-install-and-setup-oracle-java-jdk-in-centos-6 & dll.