How to install PgAdmin4 on Ubuntu 20.04 Foca Fossa

Update the system

sudo apt-get update


Install required packages

Three packages require to install before downloading pgAdmin which are python, pip and virtualenv. Run the following command to install these packages.

sudo apt-get install build-essential libssl-dev libffi-dev libgmp3-dev
sudo apt-get install python3-virtualenv libpq-dev python3-dev

Create virtual environment

Run the following commands to create a new folder named pgAdmin4 in the current location, go to the newly created folder and create the virtual environment.

mkdir pgAdmin4
cd pgAdmin4
virtualenv pgAdmin4

Activate virtual environment

Go to pgAdmin4 folder under pgAdmin4 and run the following commands to activate the virtual environment.

cd pgAdmin4
source bin/activate

Download pgAdmin 4

Run the following command to download the latest version of pgAdmin 4.

wget https://ftp.postgresql.org/pub/pgadmin/pgadmin4/v4.20/pip/pgadmin4-4.20-py2.py3-none-any.whl

Install pgAdmin 4

Run the following command to complete the installation process of pgAdmin 4.

pip install pgadmin4-4.20-py2.py3-none-any.whl

Configure and run pgAdmin 4

After completing the installation steps, you have to create a configuration file to run this software. Create a new file named config_local.py in lib/python3.8/site-packages/pgadmin4/ folder using nano editor. nano lib/python3.8/site-packages/pgadmin4/config_local.py

Add the following content in config_local.py.

import os
DATA_DIR = os.path.realpath(os.path.expanduser(u"~/.pgadmin/"))
LOG_FILE = os.path.join(DATA_DIR, "pgadmin4.log")
SQLITE_PATH = os.path.join(DATA_DIR, "pgadmin4.db")
SESSION_DB_PATH = os.path.join(DATA_DIR, "sessions")
STORAGE_DIR = os.path.join(DATA_DIR, "storage")
SERVER_MODE = False

Now, use the following command to run pgAdmin.

python lib/python3.8/site-packages/pgadmin4/pgAdmin4.py

Now, access http://localhost:5050/ from any browser. If all the steps are completed properly then the browser will display the administration and development platform for the PostgreSQL database.