3) JAVA_HOME variable is platform independence i.e. if your startup script uses JAVA_HOME then it can run on Windows and UNIX without any modification, you just need to set …

Mar 9, 2011 · 58 update-java-alternatives -l will tell you which java implementation is the default for your system and where in the filesystem it is installed. Check the manual for more options.

When I execute java -version command to check the active java version, it shows the default (already installed open-jdk) java version. How can I override the default open-jdk with the one I …

How can I check heap size (and used memory) of a Java application on Linux through the command line? I have tried through jmap. But it gives information about internal memory …

I am installing Apache Solr on Linux Debian (Squeeze). I have been instructed to install sun-java jdk 1st. Then am told that I should use the command sudo update-alternatives --config java to …

Apr 30, 2015 · Which distribution do you use and how did you install java? via packaging manager or manually?

I am looking on how how to obtain the location of cacerts of the default java installation, when you do not have JAVA_HOME or JRE_HOME defined. I need a solution that works at least for OS …

Jul 13, 2009 · Is there any linux command I could use to find out JAVA_HOME directory? I've tried print out the environment variables ("env") but I can't find the directory.

Jun 10, 2009 · I have a java application running on linux machine. I run the java application using the following: java myapp -Xdebug -Xrunjdwp:server=y,transport=dt_socket,address=4000, …

Jun 2, 2017 · This works great for creating the JAVA_HOME environment variable based on java (in path): export JAVA_HOME=$(dirname $(dirname $(readlink -f $(which java)))). Credit to: …