in reply to Segmentation fault (core dumped)

How did you install Data::Dumper?

If it was installed via a deb then it's ubuntu's problem because the upgrade should have sorted it. Report it to them as a bug in the upgrade process.

Alternatively, if it was installed from source then it's your responsibility to re-install (from scratch: configure, compile, test, install) it to match the new version of perl and new system libraries. Why not also take the opportunity to upgrade to the latest version of this and all the other modules you use while you are at it?

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Re^2: Segmentation fault (core dumped)
by v15 (Sexton) on Sep 07, 2016 at 21:59 UTC
    This was installed when I was working on Ubuntu 14.04 with install command to CPAN. Can you tell me how to update all the modules? What command should I use?

    cpan on the terminal does not work

    Thanks

      As above, so below. If you installed cpan via a deb then it's ubuntu's problem and you should report it to them as a bug. If you installed it from source then it's up to you to reinstall it now.

      cpan on the terminal does not work

      "does not work" is as useful to a developer as "I'm ill" is to a medic. Be specific.