$ sudo cat /var/lib/postgres/data/postgresql.conf | grep log_des
#log_destination = 'stderr' # Valid values are combinations of
# SELECT name, setting FROM pg_settings WHERE name LIKE '%log%';
name | setting
-----------------------------+--------------------------------
log_autovacuum_min_duration | -1
log_checkpoints | off
log_connections | off
log_destination | stderr
log_directory | /tmp
log_disconnections | off
log_duration | off
log_error_verbosity | verbose
log_executor_stats | off
log_file_mode | 0644
log_filename | postgresql-%Y-%m-%d_%H%M%S.log
log_hostname | off
log_line_prefix |
log_lock_waits | off
log_min_duration_statement | -1
log_min_error_statement | error
log_min_messages | warning
log_parser_stats | off
log_planner_stats | off
log_rotation_age | 1440
log_rotation_size | 10240
log_statement | all
log_statement_stats | off
log_temp_files | -1
log_timezone | Asia/Jakarta
log_truncate_on_rotation | off
logging_collector | on
syslog_facility | local0
syslog_ident | postgres
wal_log_hints | off
(30 rows)