Install PostgreSQL 14 offline on CentOS 7

Here I have organized a full set of required program installation packages, and mixed resource points. If you really don’t have points, go ahead and download it yourself according to the steps I wrote.
PG14 offline program installation package and a full set of dependent packages download

1. Download the offline installation package

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Download linkPostgreSQL PGDG 14 Updates RPMs

Go to download in turn

2. Download dependent packages

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An error was reported during installation, missing libicudependencies

[root@server149058 postgresql]# rpm -ivh postgresql14-14.5-1PGDG.rhel7.x86_64.rpm 
warning: postgresql14-14.5-1PGDG.rhel7.x86_64.rpm: Header V4 DSA/SHA1 Signature, key ID 442df0f8: NOKEY
error: Failed dependencies:
        libicu is needed by postgresql14-14.5-1PGDG.rhel7.x86_64

Download link RPM resource libicu

3. Install the package

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install in order

rpm -ivh libicu-50.2-4.el7_7.x86_64.rpm 

rpm -ivh postgresql14-libs-14.5-1PGDG.rhel7.x86_64.rpm 
rpm -ivh postgresql14-14.5-1PGDG.rhel7.x86_64.rpm 
rpm -ivh postgresql14-server-14.5-1PGDG.rhel7.x86_64.rpm 

4. Post-installation operations

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4.1 Initialize the database

[root@server149058 postgresql]# /usr/pgsql-14/bin/postgresql-14-setup initdb
Initializing database ... OK

4.2 Modify the configuration file

[root@server149058 postgresql]# vi /var/lib/pgsql/14/data/postgresql.conf

listen_addresses = '*'  # 允许外部连接
port = 5432             # 端口号

4.3 Open and allow access to ip

[root@server149058 data]# vi /var/lib/pgsql/14/data/pg_hba.conf

# replication privilege.
local   replication     all                                     peer
host    replication     all             127.0.0.1/32            scram-sha-256
host    replication     all             ::1/128                 scram-sha-256
# 添加下面这行，允许所有 ip 访问
host    all             all             0.0.0.0/0               md5

Allow firewall ports

[root@server149058 data]# firewall-cmd --permanent --add-port 5432/tcp
[root@server149058 data]# firewall-cmd --reload

4.4 Restart the service

[root@server149058 ~]# systemctl reload postgresql-14
[root@server149058 ~]# systemctl restart postgresql-14

4.5 Configure users

create testuseruser

[root@server149058 ~]# su postgres
bash-4.2$ psql
could not change directory to "/root": Permission denied
psql (14.5)
Type "help" for help.

postgres=# create user testuser password 'TestMyPass';
CREATE ROLE

Grant supervising authority

postgres=# ALTER ROLE testuser SUPERUSER;
ALTER ROLE

4.6 Client login

connection succeeded.