strugging with things here... tried tracking the info on the Wiki (which apparently is now in need of a maintainer)... http://wiki.centos.org/HowTos/JavaOnCentOS My primary interest is using Xalan/Saxon/xslt/xsl-fo docbook generation. I was thinking that all I really need is jre but downloaded both jre and jdk just in case. can anyone tell me what I'm doing wrong? (after removing both jdk & jre)... -rw-r--r-- 1 root root 56835774 Sep 25 00:47 jdk-6u3-linux-i586.rpm -rw-r--r-- 1 root root 18835725 Sep 25 00:45 jre-6u3-linux-i586.rpm I tried installing each of them but they never show up in # alternatives --config java # rpm -qa|grep jpackage jpackage-utils-1.7.3-1jpp.2.el5 # rpm -ivh jre-6u3-linux-i586.rpm Preparing... ########################################### [100%] 1:jre ########################################### [100%] Unpacking JAR files... rt.jar... jsse.jar... charsets.jar... localedata.jar... plugin.jar... javaws.jar... deploy.jar... # alternatives --config java There is 1 program that provides 'java'. Selection Command ----------------------------------------------- *+ 1 /usr/lib/jvm/jre-1.4.2-gcj/bin/java Enter to keep the current selection[+], or type selection number: Craig