Install different java versions, using them simultaneously in Linux

This may seem trivial, but I have seen many people do not know how to take a single machine, several Java application servers running on different versions of Java

To start for safety as recommended, it is that for every application server we have running, the facility owner is a different user, the same user is running the application server.

In short, for each user you can configure your runtime environment by default, so you do not need to touch anything in the application servers to indicate that Java should use.

Take the example that we want to run Tomcat 8 with Java 8 and Tomcat 6 with Java 6.


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