---- postgresql-8.1.0/src/backend/utils/misc/postgresql.conf.sample.orig 2005-10-08 20:32:58.000000000 +0100
-+++ postgresql-8.1.0/src/backend/utils/misc/postgresql.conf.sample 2005-11-11 16:11:18.000000000 +0000
-@@ -206,7 +206,7 @@
+diff -urNp -x '*.orig' postgresql-11.5.org/src/backend/utils/misc/postgresql.conf.sample postgresql-11.5/src/backend/utils/misc/postgresql.conf.sample
+--- postgresql-11.5.org/src/backend/utils/misc/postgresql.conf.sample 2019-08-05 23:14:59.000000000 +0200
++++ postgresql-11.5/src/backend/utils/misc/postgresql.conf.sample 2021-05-08 22:44:29.704690750 +0200
+@@ -361,7 +361,7 @@
# - Where to Log -
--#log_destination = 'stderr' # Valid values are combinations of
-+log_destination = 'syslog' # Valid values are combinations of
- # stderr, syslog and eventlog,
- # depending on platform.
-
-@@ -235,8 +235,8 @@
- # output. 0 to disable.
+-#log_destination = 'stderr' # Valid values are combinations of
++log_destination = 'syslog' # Valid values are combinations of
+ # stderr, csvlog, syslog, and eventlog,
+ # depending on platform. csvlog
+ # requires logging_collector to be on.
+@@ -394,9 +394,9 @@
+ # 0 disables.
# These are relevant when logging to syslog:
-#syslog_facility = 'LOCAL0'
-#syslog_ident = 'postgres'
+-#syslog_sequence_numbers = on
+syslog_facility = 'LOCAL0'
+syslog_ident = 'postgres'
++syslog_sequence_numbers = on
+ #syslog_split_messages = on
-
- # - When to Log -
-@@ -292,10 +292,10 @@
- #debug_print_rewritten = off
- #debug_print_plan = off
- #debug_pretty_print = off
--#log_connections = off
-+log_connections = true
- #log_disconnections = off
- #log_duration = off
--#log_line_prefix = '' # Special values:
-+log_line_prefix = '<%p> ' # Special values:
- # %u = user name
- # %d = database name
- # %r = remote host and port
+ # This is only relevant when logging to eventlog (win32):