---- postgresql-11.1/src/backend/utils/misc/postgresql.conf.sample 2018-11-06 23:56:26.000000000 +0000
-+++ postgresql-11.1/src/backend/utils/misc/postgresql.conf.sample 2018-12-03 13:15:44.113403000 +0000
-@@ -361,7 +361,7 @@
+--- postgresql-12.0/src/backend/utils/misc/postgresql.conf.sample 2019-09-30 22:06:55.000000000 +0200
++++ postgresql-12.0/src/backend/utils/misc/postgresql.conf.sample 2019-10-07 21:05:24.551000000 +0200
+@@ -416,23 +416,23 @@
# - Where to Log -
-#log_destination = 'stderr' # Valid values are combinations of
-+log_destination = 'syslog' # Valid values are combinations of
++log_destination = 'stderr' # Valid values are combinations of
# stderr, csvlog, syslog, and eventlog,
# depending on platform. csvlog
# requires logging_collector to be on.
-@@ -394,9 +394,9 @@
+
+ # This is used when logging to stderr:
+-#logging_collector = off # Enable capturing of stderr and csvlog
++logging_collector = on # Enable capturing of stderr and csvlog
+ # into log files. Required to be on for
+ # csvlogs.
+ # (change requires restart)
+
+ # These are only used if logging_collector is on:
+-#log_directory = 'log' # directory where log files are written,
++log_directory = '/var/log/postgresql' # directory where log files are written,
+ # can be absolute or relative to PGDATA
+-#log_filename = 'postgresql-%Y-%m-%d_%H%M%S.log' # log file name pattern,
++log_filename = 'postgresql-12.log' # log file name pattern,
+ # can include strftime() escapes
+-#log_file_mode = 0600 # creation mode for log files,
++log_file_mode = 0640 # creation mode for log files,
+ # begin with 0 to use octal notation
+ #log_truncate_on_rotation = off # If on, an existing log file with the
+ # same name as the new log file will be
+@@ -442,16 +442,16 @@
+ # or size-driven rotation. Default is
+ # off, meaning append to existing files
+ # in all cases.
+-#log_rotation_age = 1d # Automatic rotation of logfiles will
++log_rotation_age = 0 # Automatic rotation of logfiles will
+ # happen after that time. 0 disables.
+-#log_rotation_size = 10MB # Automatic rotation of logfiles will
++log_rotation_size = 0 # Automatic rotation of logfiles will
+ # happen after that much log output.
# 0 disables.
# These are relevant when logging to syslog:
-#syslog_ident = 'postgres'
-#syslog_sequence_numbers = on
+syslog_facility = 'LOCAL0'
-+syslog_ident = 'postgresql-11'
++syslog_ident = 'postgresql-12'
+syslog_sequence_numbers = on
#syslog_split_messages = on
# This is only relevant when logging to eventlog (win32):
-@@ -457,12 +457,12 @@
+@@ -504,12 +504,12 @@
#debug_print_plan = off
#debug_pretty_print = on
#log_checkpoints = off