우분투(Ubuntu) Postgresql 설치(Install)

Package Install

https://www.postgresql.org/download/

패키지 등록

sudo sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list'

GPG Key 추가

wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add -

apt Update

sudo apt update

Postgresql 설치

sudo apt -y install postgresql

외부 접근 허용

sudo vi /etc/postgresql/<버전>/main/postgresql.conf

sudo vi /etc/postgresql/15/main/postgresql.conf

#------------------------------------------------------------------------------
# CONNECTIONS AND AUTHENTICATION
#------------------------------------------------------------------------------

# - Connection Settings -

listen_addresses = '*'					# what IP address(es) to listen on;
                                        # comma-separated list of addresses;
                                        # defaults to 'localhost'; use '*' for all
                                        # (change requires restart)
port = 5432                             # (change requires restart)
max_connections = 100                   # (change requires restart)
#superuser_reserved_connections = 3     # (change requires restart)
unix_socket_directories = '/var/run/postgresql' # comma-separated list of directories
                                        # (change requires restart)
#unix_socket_group = ''                 # (change requires restart)
#unix_socket_permissions = 0777         # begin with 0 to use octal notation
                                        # (change requires restart)
#bonjour = off                          # advertise server via Bonjour
                                        # (change requires restart)
#bonjour_name = ''                      # defaults to the computer name
                                        # (change requires restart)

• listen_address: localhost -> *로 변경하여 모든 IP 접근 허용

sudo vi /etc/postgresql/<버전>/main/pg_hba.conf

sudo vi /etc/postgresql/15/main/pg_hba.conf

# DO NOT DISABLE!
# If you change this first entry you will need to make sure that the
# database superuser can access the database using some other method.
# Noninteractive access to all databases is required during automatic
# maintenance (custom daily cronjobs, replication, and similar tasks).
#
# Database administrative login by Unix domain socket
local   all             postgres                                peer

# TYPE  DATABASE        USER            ADDRESS                 METHOD

# "local" is for Unix domain socket connections only
local   all             all                                     peer
# IPv4 local connections:
host    all             all             0.0.0.0/0               scram-sha-256
# IPv6 local connections:
host    all             all             ::1/128                 scram-sha-256
# Allow replication connections from localhost, by a user with the
# replication privilege.
local   replication     all                                     peer
host    replication     all             0.0.0.0/0               scram-sha-256
host    replication     all             ::1/128                 scram-sha-256

• 127.0.0.1/32 -> 0.0.0.0/0으로 변경

sudo systemctl restart postgresql.service

접속 테스트

sudo -i -u postgres

psql