root Makefile: $(postgresReload-*): Confirm the operation before continuing, since it involves changing PostgreSQL config files in nontrivial ways. Added instructions for setting kernel.shmmax to at least 4GB minus 1 byte on Linux, to work with the shared_buffers setting in postgresql.conf.
root Makefile: $(postgresReload-*): Confirm the operation before continuing, since it involves changing PostgreSQL config files in nontrivial ways. Added instructions for setting kernel.shmmax to at least 4GB minus 1 byte on Linux, to work with the shared_buffers setting in postgresql.conf.