Install Oracle Java JDK/JRE 7u55 on Fedora 20/19, CentOS/RHEL 6.5/5.10

时间：2014-04-30 21:11:29 收藏：0 阅读：887

What’s new in Sun/Oracle Java 7

VM
- Compressed 64-bit object pointers
- Garbage-First GC (G1)
- JSR 292: VM support for non-Java languages (InvokeDynamic)
Lang
- JSR 294: Language and VM support for modular programming
- JSR 308: Annotations on Java types
- JSR TBD: Small language enhancements (Project Coin)
- JSR TBD: Project Lambda
Core
- Modularization (Project Jigsaw)
- Upgrade class-loader architecture
- Method to close a URLClassLoader
- Unicode 5.1
- Concurrency and collections updates (jsr166y)
- JSR 203: More new I/O APIs for the Java platform (NIO.2)
- SCTP (Stream Control Transmission Protocol)
- SDP (Sockets Direct Protocol)
- Elliptic-curve cryptography (ECC)
Client
- XRender pipeline for Java 2D
- Nimbus look-and-feel for Swing
- Swing JLayer component
Web
- Update the XML stack

Install Sun/Oracle Java JDK/JRE 7u55 on Fedora 20/19/18/17/16/15/14/13/12, CentOS 6.5/6.4/6.3/6.2/6.1/6/5.10, Red Hat (RHEL) 6.5/6.4/6.3/6.2/6.1/6/5.10

1. Download Sun/Oracle Java JDK/JRE 7u55 32-bit/64-bit RPM packages

Download Sun/Oracle Java 7u55 from here http://www.oracle.com/technetwork/java/javase/downloads/index.html. Select rpm package (jdk-7u55-linux-i586.rpm, jdk-7u55-linux-x64.rpm, jre-7u55-linux-i586.rpm or jre-7u55-linux-x64.rpm).

2. Change to root user.

sudo -i
## OR ##
su -

3. Install Java JDK or JRE package

## JDK 32-bit ##
rpm -Uvh /path/to/binary/jdk-7u55-linux-i586.rpm
 
## JDK 64-bit ##
rpm -Uvh /path/to/binary/jdk-7u55-linux-x64.rpm
 
## JRE 32-bit ##
rpm -Uvh /path/to/binary/jre-7u55-linux-i586.rpm
 
## JRE 64-bit ##
rpm -Uvh /path/to/binary/jre-7u55-linux-x64.rpm

4a. Install Sun/Oracle JDK java, javaws, libjavaplugin.so (for Firefox/Mozilla) and javac with alternatives –install command

Use Java JDK latest version (/usr/java/latest)

## java ##
alternatives --install /usr/bin/java java /usr/java/latest/jre/bin/java 200000
## javaws ##
alternatives --install /usr/bin/javaws javaws /usr/java/latest/jre/bin/javaws 200000
 
## Java Browser (Mozilla) Plugin 32-bit ##
alternatives --install /usr/lib/mozilla/plugins/libjavaplugin.so libjavaplugin.so /usr/java/latest/jre/lib/i386/libnpjp2.so 200000
 
## Java Browser (Mozilla) Plugin 64-bit ##
alternatives --install /usr/lib64/mozilla/plugins/libjavaplugin.so libjavaplugin.so.x86_64 /usr/java/latest/jre/lib/amd64/libnpjp2.so 200000
 
## Install javac only if you installed JDK (Java Development Kit) package ##
alternatives --install /usr/bin/javac javac /usr/java/latest/bin/javac 200000
alternatives --install /usr/bin/jar jar /usr/java/latest/bin/jar 200000

Use Java JDK absolute version (/usr/java/jdk1.7.0_55)

## java ##
alternatives --install /usr/bin/java java /usr/java/jdk1.7.0_55/jre/bin/java 200000
## javaws ##
alternatives --install /usr/bin/javaws javaws /usr/java/jdk1.7.0_55/jre/bin/javaws 200000
 
## Java Browser (Mozilla) Plugin 32-bit ##
alternatives --install /usr/lib/mozilla/plugins/libjavaplugin.so libjavaplugin.so /usr/java/jdk1.7.0_55/jre/lib/i386/libnpjp2.so 200000
 
## Java Browser (Mozilla) Plugin 64-bit ##
alternatives --install /usr/lib64/mozilla/plugins/libjavaplugin.so libjavaplugin.so.x86_64 /usr/java/jdk1.7.0_55/jre/lib/amd64/libnpjp2.so 200000
 
## Install javac only if you installed JDK (Java Development Kit) package ##
alternatives --install /usr/bin/javac javac /usr/java/jdk1.7.0_55/bin/javac 200000
alternatives --install /usr/bin/jar jar /usr/java/jdk1.7.0_55/bin/jar 200000

4b. Install Sun/Oracle JRE java, javaws and libjavaplugin.so (for Firefox/Mozilla) with alternatives –install command

Use Java JRE latest version (/usr/java/latest)

## java ##
alternatives --install /usr/bin/java java /usr/java/latest/bin/java 200000
 
## javaws ##
alternatives --install /usr/bin/javaws javaws /usr/java/latest/bin/javaws 200000
 
## Java Browser (Mozilla) Plugin 32-bit ##
alternatives --install /usr/lib/mozilla/plugins/libjavaplugin.so libjavaplugin.so /usr/java/latest/lib/i386/libnpjp2.so 200000
 
## Java Browser (Mozilla) Plugin 64-bit ##
alternatives --install /usr/lib64/mozilla/plugins/libjavaplugin.so libjavaplugin.so.x86_64 /usr/java/latest/lib/amd64/libnpjp2.so 200000

Use Java JRE absolute version (/usr/java/jre1.7.0_55)

## java ##
alternatives --install /usr/bin/java java /usr/java/jre1.7.0_55/bin/java 200000
 
## javaws ##
alternatives --install /usr/bin/javaws javaws /usr/java/jre1.7.0_55/bin/javaws 200000
 
## Java Browser (Mozilla) Plugin 32-bit ##
alternatives --install /usr/lib/mozilla/plugins/libjavaplugin.so libjavaplugin.so /usr/java/jre1.7.0_55/lib/i386/libnpjp2.so 200000
 
## Java Browser (Mozilla) Plugin 64-bit ##
alternatives --install /usr/lib64/mozilla/plugins/libjavaplugin.so libjavaplugin.so.x86_64 /usr/java/jre1.7.0_55/lib/amd64/libnpjp2.so 200000

5. Check current java, javac, javaws and libjavaplugin.so versions

java -version
java version "1.7.0_55"
Java(TM) SE Runtime Environment (build 1.7.0_55-b13)
Java HotSpot(TM) 64-Bit Server VM (build 24.51-b03, mixed mode)
 
javaws
Java(TM) Web Start 10.51.2.13-fcs
[...]
 
javac -version
javac 1.7.0_55

Note: Check libjavaplugin.so with restarting Mozilla Firefox and writing about:plugins on address bar.

Java 7 console output on Fedora 18:

6. Swap between OpenJDK and Sun/Oracle Java JDK/JRE 6 and 7 versions

java

alternatives --config java
 
There are 5 programs which provide ‘java‘.
 
  Selection    Command
-----------------------------------------------
*  1           /usr/java/jdk1.6.0_24/jre/bin/java
   2           /usr/lib/jvm/jre-1.5.0-gcj/bin/java
 + 3           /usr/java/jdk1.6.0_26/jre/bin/java
   4           /usr/lib/jvm/jre-1.6.0-openjdk/bin/java
   5           /usr/java/jdk1.7.0_55/jre/bin/java
 
Enter to keep the current selection[+], or type selection number: 5

Note: java with [+] is currently on use

javaws

alternatives --config javaws
 
There are 3 programs which provide ‘javaws‘.
 
  Selection    Command
-----------------------------------------------
*  1           /usr/java/jdk1.6.0_24/jre/bin/javaws
 + 2           /usr/java/jdk1.6.0_26/jre/bin/javaws
   3           /usr/java/jdk1.7.0_55/jre/bin/javaws
 
Enter to keep the current selection[+], or type selection number: 3

Note: java with [+] is currently on use

libjavaplugin.so (32-bit)

alternatives --config libjavaplugin.so
 
There are 3 programs which provide ‘libjavaplugin.so‘.
 
  Selection    Command
-----------------------------------------------
*  1           /usr/java/jdk1.6.0_24/jre/lib/i386/libnpjp2.so
 + 2           /usr/java/jdk1.6.0_26/jre/lib/i386/libnpjp2.so
   3           /usr/java/jdk1.7.0_55/jre/lib/i386/libnpjp2.so
 
Enter to keep the current selection[+], or type selection number: 3

libjavaplugin.so.x86_64 (64-bit)

alternatives --config libjavaplugin.so.x86_64
 
There are 3 programs which provide ‘libjavaplugin.so.x86_64‘.
 
  Selection    Command
-----------------------------------------------
*  1           /usr/java/jdk1.6.0_24/jre/lib/amd64/libnpjp2.so
 + 2           /usr/java/jdk1.6.0_26/jre/lib/amd64/libnpjp2.so
   3           /usr/java/jdk1.7.0_55/jre/lib/amd64/libnpjp2.so
 
Enter to keep the current selection[+], or type selection number: 3

javac

alternatives --config javac
 
There are 3 programs which provide ‘javac‘.
 
  Selection    Command
-----------------------------------------------
*  1           /usr/java/jdk1.6.0_24/bin/javac
 + 2           /usr/java/jdk1.6.0_26/bin/javac
   3           /usr/java/jdk1.7.0_55/bin/javac
 
Enter to keep the current selection[+], or type selection number: 3

Note: java with [+] is currently on use

Post-Installation Setup

Add JAVA_HOME environment variable to /etc/profile file or $HOME/.bash_profile file

Java JDK and JRE latest version (/usr/java/latest)

## export JAVA_HOME JDK/JRE ##
export JAVA_HOME="/usr/java/latest"

Java JDK and JRE absolute version (/usr/java/jdk1.7.0_55)

## export JAVA_HOME JDK ##
export JAVA_HOME="/usr/java/jdk1.7.0_55"
 
## export JAVA_HOME JRE ##
export JAVA_HOME="/usr/java/jre1.7.0_55"

Follow If Not True Then False Updates!

Install Oracle Java JDK/JRE 7u55 on Fedora 20/19, CentOS/RHEL 6.5/5.10,码迷,mamicode.com