Working postgresql master slave replication setup setting25.05.23

# /etc/postgresql/15/main/postgresql.conf
```apacheconf
data_directory = '/var/lib/postgresql/15/main'		# use data in another directory
hba_file = '/etc/postgresql/15/main/pg_hba.conf'	# host-based authentication file
ident_file = '/etc/postgresql/15/main/pg_ident.conf'	# ident configuration file
external_pid_file = '/var/run/postgresql/15-main.pid'			# write an extra PID file
listen_addresses = '*'		# what IP address(es) to listen on;
port = 5432				# (change requires restart)
max_connections = 1000			# (change requires restart)
unix_socket_directories = '/var/run/postgresql'	# comma-separated list of directories
ssl = on
ssl_cert_file = '/etc/ssl/certs/ssl-cert-snakeoil.pem'
ssl_key_file = '/etc/ssl/private/ssl-cert-snakeoil.key'
shared_buffers = 128MB			# min 128kB
dynamic_shared_memory_type = posix	# the default is usually the first option
max_wal_size = 1GB
min_wal_size = 80MB
log_line_prefix = '%m [%p] %q%u@%d '		# special values:
log_timezone = 'Asia/Bangkok'
cluster_name = '15/main'			# added to process titles if nonempty
datestyle = 'iso, mdy'
timezone = 'Asia/Bangkok'
lc_messages = 'en_US.UTF-8'			# locale for system error message
lc_monetary = 'en_US.UTF-8'			# locale for monetary formatting
lc_numeric = 'en_US.UTF-8'			# locale for number formatting
lc_time = 'en_US.UTF-8'				# locale for time formatting
default_text_search_config = 'pg_catalog.english'
include_dir = 'conf.d'			# include files ending in '.conf' from

```

# /etc/postgresql/15/main/pg_hba.conf
``````apacheconf
local   all             postgres                                peer
local   all             all                                     md5
host 	all 		all 		all 			md5
local   all             all                                     peer
host    all             all             127.0.0.1/32            scram-sha-256
host    all             all             ::1/128                 scram-sha-256
local   replication     all                                     peer
host    replication     all             127.0.0.1/32            scram-sha-256
host    replication     all             ::1/128                 scram-sha-256

```

# usersetup
```text
                                   List of roles
 Role name |                         Attributes                         | Member of 
-----------+------------------------------------------------------------+-----------
 foobar    | Superuser                                                  | {}
 postgres  | Superuser, Create role, Create DB, Replication, Bypass RLS | {}
 test      | Replication                                                | {}
```

https://www.postgresqltutorial.com/postgresql-administration/postgresql-list-users/

Anonymous

Working postgresql master slave replication setup setting25.05.23

Information Epoch 1686005165