On Saturday, August 7th, 2021 at 8:23 PM, Adrian Klaver <adrian.klaver@xxxxxxxxxxx> wrote: > > Since further configuration, remain unable to connect to the php database. > > Further configuration of what? > The postgresql configuration file: SHOW hba_file; /etc/postgresql/9.6/main/pg_hba.conf SHOW config_file; /etc/postgresql/9.6/main/postgresql.conf > After the configuration change did you restart the server? > Yes; the php web page recognised changes, for example removal of the comment instruction: " <html> <head> Generic CPAC </head> <body> <?php //echo '<p>Hello World</p>' /*successful test of configuration of apache http server*/ phpinfo(); ?> </body> </html> " > Is the pg_hba.conf file the correct one for the database instance? > Changes were made to the function 'listen_addressess' to the configuration file shown in above. > What does: > > pg_lsclusters > > show? > pg_lsclusters Ver Cluster Port Status Owner Data directory Log file 9.6 main 5432 online postgres /var/lib/postgresql/9.6/main /var/log/postgresql/postgresql-9.6-main.log