Fedora java runtime engine jre e java development kit jdk e firefox plugin

Installo i pacchetti necessari:
yum install compat-libstdc++-296.i386 compat-libstdc++-33.i386
Installiamo la jre e la jdk
Andiamo su
http://java.sun.com/javase/downloads/index.jsp
e scarichiamo la jdk (ultima versione formato rpm)

chmod ugo+x jdk-6u1-linux-i586-rpm.bin
./jdk-6u1-linux-i586-rpm.bin
rispondere yes per accettare la licenza

[root@trinity2 ~]# ls /usr/bin/java -la
lrwxrwxrwx 1 root root 22 12 giu 20:56 /usr/bin/java ->
/etc/alternatives/java
[root@trinity2 ~]# ls -la /etc/alternatives/java
lrwxrwxrwx 1 root root 35 12 giu 20:56 /etc/alternatives/java ->
/usr/lib/jvm/jre-1.5.0-gcj/bin/java
[root@trinity2 ~]# rm /etc/alternatives/java
rm: rimuovere link simbolico `/etc/alternatives/java'? y
[root@trinity2 ~]# ln -s /usr/java/jdk1.6.0_01/bin/java
/etc/alternatives/java

[root@trinity2 ~]# java -version
java version "1.6.0_01"
Java(TM) SE Runtime Environment (build 1.6.0_01-b06)
Java HotSpot(TM) Client VM (build 1.6.0_01-b06, mixed mode, sharing)

adesso abilitiamo il plugin per firefox
[root@trinity2 ~]# ln -s
/usr/java/jdk1.6.0_01/jre/plugin/i386/ns7/libjavaplugin_oji.so
/usr/lib/firefox-2.0.0.4/plugins/