Currently I am having JRE 1.6.0_20. How do I downgrade it to JRE 1.6.0_17?
How can I downgrade?
I'm using Ubuntu 10.04 LTS.
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Specifically check out How to keep a mixed system:
# apt-get install package=version
And How to keep specific versions of packages installed (complex), adding this to
Package: <package> Pin: <pin definition> Pin-Priority: <pin's priority>
Update: To clarify some things: 1. Ubuntu 10.04 does not use Sun's JRE by default. Infact you need to enable repositories to install it.
As stated in my comments, just follow the above pattern:
apt-get install default-jre=1.6.0_17
Or for Sun's
apt-get install sun-java6-jre=1.6.0_17
But I doubt that will work, considering that the latest version of Sun's JRE is listed as 6.20.