Install Sun/Oracle Java JDK /JRE 6u32 on Fedora 16/15/14/13/12 CentOS 6.2/6.1/6/5.8, Red Hat (RHEL) 6.2/6.1/6/5.8
1. Download Sun/Oracle Java JDK or JRE RPMs
Download Sun/Oracle Java JDK or JRE from here (current version is JDK 6 Update 32)http://www.oracle.com/technetwork/java/javase/downloads/index.html.
Note: Select rpm.bin package (example jdk-6u32-linux-i586-rpm.bin, jre-6u32-linux-i586-rpm.bin, jdk-6u32-linux-x64-rpm.bin or jre-6u32-linux-x64-rpm.bin).
2. Change to root user.
sudo -i ## OR ## su -
3a. Run Sun/Oracle Java JDK binary
chmod +x /path/to/file/jdk-6u32-linux-*-rpm.bin /path/to/binary/jdk-6u32-linux-*-rpm.bin ## OR ## sh /path/to/binary/jdk-6u32-linux-*-rpm.bin
Note: Use full file name (without asterix) if you have both i586 and x64 versions downloaded.
3b. Run Sun/Oracle Java JRE binary
chmod +x /path/to/file/jre-6u32-linux-*-rpm.bin /path/to/binary/jre-6u32-linux-*-rpm.bin ## OR ## sh /path/to/binary/jre-6u32-linux-*-rpm.bin
Note: Use full file name (without asterix) if you have both i586 and x64 versions downloaded.
4a. Install Sun/Oracle JDK java, javaws, libjavaplugin.so (for Firefox/Mozilla) and javacwith alternatives –install command
## java ## alternatives --install /usr/bin/java java /usr/java/jdk1.6.0_32/jre/bin/java 20000 ## javaws (32-bit only) ## alternatives --install /usr/bin/javaws javaws /usr/java/jdk1.6.0_32/jre/bin/javaws 20000 ## Java Browser (Mozilla) Plugin 32-bit ## alternatives --install /usr/lib/mozilla/plugins/libjavaplugin.so libjavaplugin.so /usr/java/jdk1.6.0_32/jre/lib/i386/libnpjp2.so 20000 ## Java Browser (Mozilla) Plugin 64-bit ## alternatives --install /usr/lib64/mozilla/plugins/libjavaplugin.so libjavaplugin.so.x86_64 /usr/java/jdk1.6.0_32/jre/lib/amd64/libnpjp2.so 20000 ## Install javac only if you installed JDK (Java Development Kit) package ## alternatives --install /usr/bin/javac javac /usr/java/jdk1.6.0_32/bin/javac 20000 alternatives --install /usr/bin/jar jar /usr/java/jdk1.6.0_32/bin/jar 20000
4b. Install Sun/Oracle JRE java, javaws and libjavaplugin.so (for Firefox/Mozilla) withalternatives –install command
## java ## alternatives --install /usr/bin/java java /usr/java/jre1.6.0_32/bin/java 20000 ## javaws (32-bit only) ## alternatives --install /usr/bin/javaws javaws /usr/java/jre1.6.0_32/bin/javaws 20000 ## Java Browser (Mozilla) Plugin 32-bit ## alternatives --install /usr/lib/mozilla/plugins/libjavaplugin.so libjavaplugin.so /usr/java/jre1.6.0_32/lib/i386/libnpjp2.so 20000 ## Java Browser (Mozilla) Plugin 64-bit ## alternatives --install /usr/lib64/mozilla/plugins/libjavaplugin.so libjavaplugin.so.x86_64 /usr/java/jre1.6.0_32/lib/amd64/libnpjp2.so 20000
5. Check current java, javac, javaws and libjavaplugin.so versions
java -version java version "1.6.0_32" Java(TM) SE Runtime Environment (build 1.6.0_32-b04) Java HotSpot(TM) Server VM (build 20.6-b01, mixed mode) javac -version javac 1.6.0_32 javaws Java(TM) Web Start 1.6.0_32 [...]
Note: Check libjavaplugin.so with restarting Mozilla Firefox and writing about:plugins on address bar.
Fedora 15:
6. Swap between OpenJDK and Sun/Oracle JDK versions
alternatives --config java # or javac or javaws or libjavaplugin.so There are 4 programs which provide 'java'. Selection Command ----------------------------------------------- 1 /usr/lib/jvm/jre-1.6.0-openjdk/bin/java 2 /usr/lib/jvm/jre-1.5.0-gcj/bin/java * 3 /usr/java/jdk1.6.0_18/jre/bin/java + 4 /usr/java/jdk1.6.0_32/jre/bin/java Enter to keep the current selection[+], or type selection number:
Note: java with [+] is currently on use
Post-Installation Setup
Add JAVA_HOME environment variable to /etc/profile file or $HOME/.bash_profile file
## export JAVA_HOME JDK ## export JAVA_HOME="/usr/java/jdk1.6.0_32" ## export JAVA_HOME JRE ## export JAVA_HOME="/usr/java/jre1.6.0_32"
projectz 