Postgresql startup timing

[phjvdmeij (P.H.J. van der Meij)]

after startup I get in a postgresql client(python) a connection refused error

this can be solved by stop/start postgresql.service

permanent solution is in file /usr/lib/systemd/system/postgresql.service:
change ‘network.target’ to ‘network-online.target’

running fedora 31 xfce

[computersavvy (Jeff V)]

Be careful editing those files. In the file you are explicitly warned that upgrades may replace the file itself. You are also told to how to make user defined changes that will last as

It’s not recommended to modify this file in-place, because it will be
overwritten during package upgrades. It is recommended to use systemd
“dropin” feature; i.e. create file with suffix .conf under
/etc/systemd/system/UNITNAME.service.d directory overriding the
unit’s defaults. Look at systemd.unit(5) manual page for more info.

Reading that man page gives a lot of detail and explains the priority in which files are processed.

[phjvdmeij (P.H.J. van der Meij)]

I know, but I assume and hope that this correction will be adapted in a future update

thanks for your comment