added fedora info based on testing

Software/Postgresql.md

@@ -32,6 +32,21 @@ sudo dnf install postgresql-server
 sudo /usr/bin/postgresql-setup --initdb
 ```
 
+Edit database access config
+```sh
+sudo nano /var/lib/pgsql/data/pg_hba.conf
+```
+
+Find these lines:
+```sh
+# IPv4 local connections:
+host  all  all  127.0.0.1/32  ident
+# IPv6 local connections:
+host  all  all ::1/128  ident
+```
+
+Make sure the last item on each line (in this case `ident`) is changed to `md5`. Then restarted the database `sudo systemctl restart postgresql.service`
+
 ## Setup
 First make sure postgres is running:
 ```sh