--- postgresql-9.5.15/src/backend/utils/misc/postgresql.conf.sample 2018-11-05 21:49:29.000000000 +0000
+++ postgresql-9.5.15/src/backend/utils/misc/postgresql.conf.sample 2018-12-03 13:32:36.483403000 +0000
-@@ -315,7 +315,7 @@
+@@ -315,23 +315,23 @@
# - 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.
-@@ -348,8 +348,8 @@
+
+ # 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 = 'pg_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-9.5.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
+@@ -341,15 +341,15 @@
+ # 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: