PostgreSQL инсталляция в Ubuntu

$ PG_VERSION=9.6

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

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

// Update the package lists
$ sudo apt-get update

// Install the latest version of PostgreSQL.
// If you want a specific version, use 'postgresql-12' or similar instead of 'postgresql':
$ sudo apt-get -y install postgresql

# apt-get install -y postgresql-$PG_VERSION postgresql-server-dev-$PG_VERSION

# service postgresql restart
# service postgresql status
# systemctl enable postgresql

$ apt-cache search postgresql-client
$ sudo apt install -y  postgresql-client-15
$ psql --version
psql (PostgreSQL) 15.2 (Ubuntu 15.2-1.pgdg20.04+1)

E: The repository 'https://apt.postgresql.org/pub/repos/apt una-pgdg Release' does not have a Release file.

$ sudo vi /etc/apt/sources.list.d/pgdg.list

// В данном случае нужна была focal
deb https://apt.postgresql.org/pub/repos/apt focal-pgdg main

$ cat /etc/os-release
NAME="Linux Mint"
VERSION="20.3 (Una)"
ID=linuxmint
ID_LIKE=ubuntu
PRETTY_NAME="Linux Mint 20.3"
VERSION_ID="20.3"

# su - postgres

\$ psql

postgres-# \dx
List of installed extensions
Name | Version | Schema | Description
---------+---------+------------+------------------------------
plpgsql | 1.0 | pg_catalog | PL/pgSQL procedural language
(1 row)

# apt install -y gcc make
# cd /home/marley/Desktop/jsonbx-1.0.0
# make

# pg_config --pkglibdir
/usr/lib/postgresql/9.6/lib

# cp jsonbx.o /usr/lib/postgresql/9.6/lib
# cp jsonbx.so /usr/lib/postgresql/9.6/lib

# cp jsonbx.control /usr/share/postgresql/9.6/extension/
# cp jsonbx--1.0.sql /usr/share/postgresql/9.6/extension/


$ psql
psql (9.6.9)
Type "help" for help.

postgres=# CREATE EXTENSION IF NOT EXISTS jsonbx;
CREATE EXTENSION
postgres=#
postgres=#
postgres=# \dx
                    List of installed extensions
    Name   | Version |   Schema   |         Description
---------+---------+------------+------------------------------
    jsonbx  | 1.0     | public     | Jsonb extension
    plpgsql | 1.0     | pg_catalog | PL/pgSQL procedural language
(2 rows)