amcheck, a tool for index corruption detection, now has packages available from the community Debian/Ubuntu apt repository, as well as packages from the community Redhat/CentOS/SLES yum repository.
This means that installations built on those community resources can easily install amcheck, even on PostgreSQL versions before PostgreSQL 10, the release that contrib/amcheck actually first appears in.
Full details on installing these packages are available from the README: https://github.com/petergeoghegan/amcheck/
It's also possible to install the packages on PostgreSQL 10, because the extension these packages install is actually named "amcheck_next" (not "amcheck"). Currently, it isn't really useful to install "amcheck_next" on PostgreSQL 10, because its functionality is identical to contrib/amcheck. That's expected to change soon, though. I will add a new enhancement to amcheck_next in the coming weeks, allowing verification functions to perform "heap matches index" verification on top of what is already possible.
Many thanks to Christoph Berg and Devrim Gündüz for their help with the packaging.
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