sudo update-java-alternatives -s java-6-sun
$sudo update-java-alternatives -s java-6-sunupdate-alternatives: error: no alternatives for appletviewer.update-alternatives: error: no alternatives for apt.update-alternatives: error: no alternatives for extcheck.update-alternatives: error: no alternatives for HtmlConverter.update-alternatives: error: no alternatives for idlj.update-alternatives: error: no alternatives for jar.update-alternatives: error: no alternatives for jarsigner.update-alternatives: error: no alternatives for javac.update-alternatives: error: no alternatives for javadoc.update-alternatives: error: no alternatives for javah.update-alternatives: error: no alternatives for javap.update-alternatives: error: no alternatives for java-rmi.cgi.update-alternatives: error: no alternatives for jconsole.update-alternatives: error: no alternatives for jdb.update-alternatives: error: no alternatives for jhat.update-alternatives: error: no alternatives for jinfo.update-alternatives: error: no alternatives for jmap.update-alternatives: error: no alternatives for jps.update-alternatives: error: no alternatives for jrunscript.update-alternatives: error: no alternatives for jsadebugd.update-alternatives: error: no alternatives for jstack.update-alternatives: error: no alternatives for jstat.update-alternatives: error: no alternatives for jstatd.update-alternatives: error: no alternatives for native2ascii.update-alternatives: error: no alternatives for rmic.update-alternatives: error: no alternatives for schemagen.update-alternatives: error: no alternatives for serialver.update-alternatives: error: no alternatives for wsgen.update-alternatives: error: no alternatives for wsimport.update-alternatives: error: no alternatives for xjc.update-alternatives: error: no alternatives for xulrunner-1.9-javaplugin.so.update-java-alternatives: jdk alternative does not exist: /usr/lib/jvm/java-6-sun/bin/appletviewerupdate-java-alternatives: jdk alternative does not exist: /usr/lib/jvm/java-6-sun/bin/aptupdate-java-alternatives: jdk alternative does not exist: /usr/lib/jvm/java-6-sun/bin/extcheckupdate-java-alternatives: jdk alternative does not exist: /usr/lib/jvm/java-6-sun/bin/HtmlConverterupdate-java-alternatives: jdk alternative does not exist: /usr/lib/jvm/java-6-sun/bin/idljupdate-java-alternatives: jdk alternative does not exist: /usr/lib/jvm/java-6-sun/bin/jarsignerupdate-java-alternatives: jdk alternative does not exist: /usr/lib/jvm/java-6-sun/bin/jarupdate-java-alternatives: jdk alternative does not exist: /usr/lib/jvm/java-6-sun/bin/javacupdate-java-alternatives: jdk alternative does not exist: /usr/lib/jvm/java-6-sun/bin/javadocupdate-java-alternatives: jdk alternative does not exist: /usr/lib/jvm/java-6-sun/bin/javahupdate-java-alternatives: jdk alternative does not exist: /usr/lib/jvm/java-6-sun/bin/javapupdate-java-alternatives: jdk alternative does not exist: /usr/lib/jvm/java-6-sun/bin/java-rmi.cgiupdate-java-alternatives: jdk alternative does not exist: /usr/lib/jvm/java-6-sun/bin/jconsoleupdate-java-alternatives: jdk alternative does not exist: /usr/lib/jvm/java-6-sun/bin/jdbupdate-java-alternatives: jdk alternative does not exist: /usr/lib/jvm/java-6-sun/bin/jhatupdate-java-alternatives: jdk alternative does not exist: /usr/lib/jvm/java-6-sun/bin/jinfoupdate-java-alternatives: jdk alternative does not exist: /usr/lib/jvm/java-6-sun/bin/jmapupdate-java-alternatives: jdk alternative does not exist: /usr/lib/jvm/java-6-sun/bin/jpsupdate-java-alternatives: jdk alternative does not exist: /usr/lib/jvm/java-6-sun/bin/jrunscriptupdate-java-alternatives: jdk alternative does not exist: /usr/lib/jvm/java-6-sun/bin/jsadebugdupdate-java-alternatives: jdk alternative does not exist: /usr/lib/jvm/java-6-sun/bin/jstackupdate-java-alternatives: jdk alternative does not exist: /usr/lib/jvm/java-6-sun/bin/jstatdupdate-java-alternatives: jdk alternative does not exist: /usr/lib/jvm/java-6-sun/bin/jstatupdate-java-alternatives: jdk alternative does not exist: /usr/lib/jvm/java-6-sun/bin/native2asciiupdate-java-alternatives: jdk alternative does not exist: /usr/lib/jvm/java-6-sun/bin/rmicupdate-java-alternatives: jdk alternative does not exist: /usr/lib/jvm/java-6-sun/bin/schemagenupdate-java-alternatives: jdk alternative does not exist: /usr/lib/jvm/java-6-sun/bin/serialverupdate-java-alternatives: jdk alternative does not exist: /usr/lib/jvm/java-6-sun/bin/wsgenupdate-java-alternatives: jdk alternative does not exist: /usr/lib/jvm/java-6-sun/bin/wsimportupdate-java-alternatives: jdk alternative does not exist: /usr/lib/jvm/java-6-sun/bin/xjcupdate-alternatives: error: no alternatives for xulrunner-1.9-javaplugin.so.