Try `chmod a+r nominatim.so; chmod a+x nominatim.so`.
-When running SELinux, make sure that the
-[context is set up correctly](../appendix/Install-on-Centos-8.md#adding-selinux-security-settings).
-
When you recently updated your operating system, updated PostgreSQL to
a new version or moved files (e.g. the build directory) you should
recreate `nominatim.so`. Try