Upgrading the alternatives system for a just downloaded Java
The best and more complete instructions I have found are these: http://askubuntu.com/questions/55848/how-do-i-install-oracle-java-jdk-7
I reproduce them for just in case the other site dissapears the entry.
Download the java binaries and uncompress them. Let's say you have downloaded into /usr/java.
Oracle guys usually install it on /usr/java, creating two links: default and latest, who points to the just installed java version.
So, the current java version will be in /usr/java/default
Create a file /usr/java/current/.java-1.7.0-oracle.jinfo with the following content:
alias=java-7-oracle priority=100 section=non-free jre ControlPanel /usr/lib/jvm/java-7-oracle/jre/bin/ControlPanel jre java /usr/lib/jvm/java-7-oracle/jre/bin/java jre java_vm /usr/lib/jvm/java-7-oracle/jre/bin/java_vm jre javaws /usr/lib/jvm/java-7-oracle/jre/bin/javaws jre jcontrol /usr/lib/jvm/java-7-oracle/jre/bin/jcontrol jre keytool /usr/lib/jvm/java-7-oracle/jre/bin/keytool jre pack200 /usr/lib/jvm/java-7-oracle/jre/bin/pack200 jre policytool /usr/lib/jvm/java-7-oracle/jre/bin/policytool jre rmid /usr/lib/jvm/java-7-oracle/jre/bin/rmid jre rmiregistry /usr/lib/jvm/java-7-oracle/jre/bin/rmiregistry jre unpack200 /usr/lib/jvm/java-7-oracle/jre/bin/unpack200 jre orbd /usr/lib/jvm/java-7-oracle/jre/bin/orbd jre servertool /usr/lib/jvm/java-7-oracle/jre/bin/servertool jre tnameserv /usr/lib/jvm/java-7-oracle/jre/bin/tnameserv jre jexec /usr/lib/jvm/java-7-oracle/jre/lib/jexec jdk appletviewer /usr/lib/jvm/java-7-oracle/bin/appletviewer jdk apt /usr/lib/jvm/java-7-oracle/bin/apt jdk extcheck /usr/lib/jvm/java-7-oracle/bin/extcheck jdk idlj /usr/lib/jvm/java-7-oracle/bin/idlj jdk jar /usr/lib/jvm/java-7-oracle/bin/jar jdk jarsigner /usr/lib/jvm/java-7-oracle/bin/jarsigner jdk java-rmi.cgi /usr/lib/jvm/java-7-oracle/bin/java-rmi.cgi jdk javac /usr/lib/jvm/java-7-oracle/bin/javac jdk javadoc /usr/lib/jvm/java-7-oracle/bin/javadoc jdk javah /usr/lib/jvm/java-7-oracle/bin/javah jdk javap /usr/lib/jvm/java-7-oracle/bin/javap jdk jconsole /usr/lib/jvm/java-7-oracle/bin/jconsole jdk jdb /usr/lib/jvm/java-7-oracle/bin/jdb jdk jhat /usr/lib/jvm/java-7-oracle/bin/jhat jdk jinfo /usr/lib/jvm/java-7-oracle/bin/jinfo jdk jmap /usr/lib/jvm/java-7-oracle/bin/jmap jdk jps /usr/lib/jvm/java-7-oracle/bin/jps jdk jrunscript /usr/lib/jvm/java-7-oracle/bin/jrunscript jdk jsadebugd /usr/lib/jvm/java-7-oracle/bin/jsadebugd jdk jstack /usr/lib/jvm/java-7-oracle/bin/jstack jdk jstat /usr/lib/jvm/java-7-oracle/bin/jstat jdk jstatd /usr/lib/jvm/java-7-oracle/bin/jstatd jdk native2ascii /usr/lib/jvm/java-7-oracle/bin/native2ascii jdk rmic /usr/lib/jvm/java-7-oracle/bin/rmic jdk schemagen /usr/lib/jvm/java-7-oracle/bin/schemagen jdk serialver /usr/lib/jvm/java-7-oracle/bin/serialver jdk wsgen /usr/lib/jvm/java-7-oracle/bin/wsgen jdk wsimport /usr/lib/jvm/java-7-oracle/bin/wsimport jdk xjc /usr/lib/jvm/java-7-oracle/bin/xjc plugin xulrunner-1.9-javaplugin.so /usr/lib/jvm/java-7-oracle/jre/lib/amd64/libnpjp2.so plugin mozilla-javaplugin.so /usr/lib/jvm/java-7-oracle/jre/lib/amd64/libnpjp2.so
Run this script:
update-alternatives --quiet --install /usr/lib/xulrunner-addons/plugins/libjavaplugin.so xulrunner-1.9-javaplugin.so /usr/java/default/jre/lib/amd64/libnpjp2.so 100 update-alternatives --quiet --install /usr/lib/mozilla/plugins/libjavaplugin.so mozilla-javaplugin.so /usr/java/default/jre/lib/amd64/libnpjp2.so 100 update-alternatives --quiet --install /usr/bin/appletviewer appletviewer /usr/java/default/bin/appletviewer 100 --slave /usr/share/man/man1/appletviewer.1 appletviewer.1 /usr/java/default/man/man1/appletviewer.1 update-alternatives --quiet --install /usr/bin/apt apt /usr/java/default/bin/apt 100 --slave /usr/share/man/man1/apt.1 apt.1 /usr/java/default/man/man1/apt.1 update-alternatives --quiet --install /usr/bin/extcheck extcheck /usr/java/default/bin/extcheck 100 --slave /usr/share/man/man1/extcheck.1 extcheck.1 /usr/java/default/man/man1/extcheck.1 update-alternatives --quiet --install /usr/bin/idlj idlj /usr/java/default/bin/idlj 100 --slave /usr/share/man/man1/idlj.1 idlj.1 /usr/java/default/man/man1/idlj.1 update-alternatives --quiet --install /usr/bin/jar jar /usr/java/default/bin/jar 100 --slave /usr/share/man/man1/jar.1 jar.1 /usr/java/default/man/man1/jar.1 update-alternatives --quiet --install /usr/bin/jarsigner jarsigner /usr/java/default/bin/jarsigner 100 --slave /usr/share/man/man1/jarsigner.1 jarsigner.1 /usr/java/default/man/man1/jarsigner.1 update-alternatives --quiet --install /usr/bin/javac javac /usr/java/default/bin/javac 100 --slave /usr/share/man/man1/javac.1 javac.1 /usr/java/default/man/man1/javac.1 update-alternatives --quiet --install /usr/bin/javadoc javadoc /usr/java/default/bin/javadoc 100 --slave /usr/share/man/man1/javadoc.1 javadoc.1 /usr/java/default/man/man1/javadoc.1 update-alternatives --quiet --install /usr/bin/javah javah /usr/java/default/bin/javah 100 --slave /usr/share/man/man1/javah.1 javah.1 /usr/java/default/man/man1/javah.1 update-alternatives --quiet --install /usr/bin/javap javap /usr/java/default/bin/javap 100 --slave /usr/share/man/man1/javap.1 javap.1 /usr/java/default/man/man1/javap.1 update-alternatives --quiet --install /usr/bin/jconsole jconsole /usr/java/default/bin/jconsole 100 --slave /usr/share/man/man1/jconsole.1 jconsole.1 /usr/java/default/man/man1/jconsole.1 update-alternatives --quiet --install /usr/bin/jdb jdb /usr/java/default/bin/jdb 100 --slave /usr/share/man/man1/jdb.1 jdb.1 /usr/java/default/man/man1/jdb.1 update-alternatives --quiet --install /usr/bin/jhat jhat /usr/java/default/bin/jhat 100 --slave /usr/share/man/man1/jhat.1 jhat.1 /usr/java/default/man/man1/jhat.1 update-alternatives --quiet --install /usr/bin/jinfo jinfo /usr/java/default/bin/jinfo 100 --slave /usr/share/man/man1/jinfo.1 jinfo.1 /usr/java/default/man/man1/jinfo.1 update-alternatives --quiet --install /usr/bin/jmap jmap /usr/java/default/bin/jmap 100 --slave /usr/share/man/man1/jmap.1 jmap.1 /usr/java/default/man/man1/jmap.1 update-alternatives --quiet --install /usr/bin/jps jps /usr/java/default/bin/jps 100 --slave /usr/share/man/man1/jps.1 jps.1 /usr/java/default/man/man1/jps.1 update-alternatives --quiet --install /usr/bin/jrunscript jrunscript /usr/java/default/bin/jrunscript 100 --slave /usr/share/man/man1/jrunscript.1 jrunscript.1 /usr/java/default/man/man1/jrunscript.1 update-alternatives --quiet --install /usr/bin/jsadebugd jsadebugd /usr/java/default/bin/jsadebugd 100 --slave /usr/share/man/man1/jsadebugd.1 jsadebugd.1 /usr/java/default/man/man1/jsadebugd.1 update-alternatives --quiet --install /usr/bin/jstack jstack /usr/java/default/bin/jstack 100 --slave /usr/share/man/man1/jstack.1 jstack.1 /usr/java/default/man/man1/jstack.1 update-alternatives --quiet --install /usr/bin/jstat jstat /usr/java/default/bin/jstat 100 --slave /usr/share/man/man1/jstat.1 jstat.1 /usr/java/default/man/man1/jstat.1 update-alternatives --quiet --install /usr/bin/jstatd jstatd /usr/java/default/bin/jstatd 100 --slave /usr/share/man/man1/jstatd.1 jstatd.1 /usr/java/default/man/man1/jstatd.1 update-alternatives --quiet --install /usr/bin/native2ascii native2ascii /usr/java/default/bin/native2ascii 100 --slave /usr/share/man/man1/native2ascii.1 native2ascii.1 /usr/java/default/man/man1/native2ascii.1 update-alternatives --quiet --install /usr/bin/rmic rmic /usr/java/default/bin/rmic 100 --slave /usr/share/man/man1/rmic.1 rmic.1 /usr/java/default/man/man1/rmic.1 update-alternatives --quiet --install /usr/bin/schemagen schemagen /usr/java/default/bin/schemagen 100 --slave /usr/share/man/man1/schemagen.1 schemagen.1 /usr/java/default/man/man1/schemagen.1 update-alternatives --quiet --install /usr/bin/serialver serialver /usr/java/default/bin/serialver 100 --slave /usr/share/man/man1/serialver.1 serialver.1 /usr/java/default/man/man1/serialver.1 update-alternatives --quiet --install /usr/bin/wsgen wsgen /usr/java/default/bin/wsgen 100 --slave /usr/share/man/man1/wsgen.1 wsgen.1 /usr/java/default/man/man1/wsgen.1 update-alternatives --quiet --install /usr/bin/wsimport wsimport /usr/java/default/bin/wsimport 100 --slave /usr/share/man/man1/wsimport.1 wsimport.1 /usr/java/default/man/man1/wsimport.1 update-alternatives --quiet --install /usr/bin/xjc xjc /usr/java/default/bin/xjc 100 --slave /usr/share/man/man1/xjc.1 xjc.1 /usr/java/default/man/man1/xjc.1 update-alternatives --quiet --install /usr/bin/java-rmi.cgi java-rmi.cgi /usr/java/default/bin/java-rmi.cgi 100 update-alternatives --quiet --install /usr/bin/ControlPanel ControlPanel /usr/java/default/jre/bin/ControlPanel 100 update-alternatives --quiet --install /usr/bin/java java /usr/java/default/jre/bin/java 100 update-alternatives --quiet --install /usr/bin/java_vm java_vm /usr/java/default/jre/bin/java_vm 100 update-alternatives --quiet --install /usr/bin/javaws javaws /usr/java/default/jre/bin/javaws 100 update-alternatives --quiet --install /usr/bin/jcontrol jcontrol /usr/java/default/jre/bin/jcontrol 100 update-alternatives --quiet --install /usr/bin/keytool keytool /usr/java/default/jre/bin/keytool 100 update-alternatives --quiet --install /usr/bin/pack200 pack200 /usr/java/default/jre/bin/pack200 100 update-alternatives --quiet --install /usr/bin/policytool policytool /usr/java/default/jre/bin/policytool 100 update-alternatives --quiet --install /usr/bin/rmid rmid /usr/java/default/jre/bin/rmid 100 update-alternatives --quiet --install /usr/bin/rmiregistry rmiregistry /usr/java/default/jre/bin/rmiregistry 100 update-alternatives --quiet --install /usr/bin/unpack200 unpack200 /usr/java/default/jre/bin/unpack200 100 update-alternatives --quiet --install /usr/bin/orbd orbd /usr/java/default/jre/bin/orbd 100 update-alternatives --quiet --install /usr/bin/servertool servertool /usr/java/default/jre/bin/servertool 100 update-alternatives --quiet --install /usr/bin/tnameserv tnameserv /usr/java/default/jre/bin/tnameserv 100 update-alternatives --quiet --install /usr/bin/jexec jexec /usr/java/default/jre/lib/jexec 100
And after that, run update-alternatives –config java.
===== Set the JAVA_HOME and JAVA_ROOT for all users =====
In the /etc/profile.d'' directory, add these files:
alljava.csh
# # /etc/profile.d/alljava.csh # # # This script sets some environment variables for default java. # Affected variables: JAVA_BINDIR, JAVA_HOME, JRE_HOME, # JDK_HOME, SDK_HOME # setenv JAVA_ROOT /usr/java/default setenv JAVA_HOME /usr/java/default setenv JAVA_BINDIR /usr/java/default/bin
alljava.sh
# # /etc/profile.d/alljava.sh # export JAVA_ROOT=/usr/java/default export JAVA_HOME=/usr/java/default export JAVA_BINDIR=/usr/java/default/bin unset JDK_HOME unset SDK_HOME