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How do I manually install the man pages for Java JDK system-wide?

rated 0 times [ 3] [ 0] / answers: 1 / hits: 1663 / 2 Years ago, mon, october 31, 2022, 12:36:12

I'm installing the Java JDK manually, by downloading the JDK tar archive from java.com, extracting it into /usr/lib/jvm/jdk1.6.0_32 (also the OpenJDK installation location via apt), and using update-alternatives to add all the java binaries to /usr/bin.

I'd also like to the install the Java man pages system-wide in /usr/lib/jvm/jdk1.6.0_32/man/man1, preferably using that same update-alternatives script, but not sure how.

I've tried soft linking /usr/lib/jvm/jdk1.6.0_32/man/man1 as /usr/share/man/man.java, but no luck, man java doesn't work. Running man --update and mandb don't seem to do anything.

Anyone know how to manually install man packages?

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peafowkes

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answered 2 Years ago ongdiligenc · Accepted Answer

This works, not sure if this is the canonical way though:

Soft link /usr/lib/jvm/jdk1.6.0_32/man/man1 as /usr/share/man/man10 (10 is next in the list, there is already /usr/share/man/man1-man9).

Not sure what the naming convention is for /usr/share/man; why does man10 work but not man.java or man20? Linking as /usr/share/man/man20 doesn't work either.

See update-alternatives script for full example (last line for man page link).