How to Install PgAdmin 4 in Ubuntu

PgAdmin is an open source database management tool that allows you to easily manage PostrgeSQL databases using a graphical interface. It is useful for users who do not want to type PostgreSQL commands for every operation. It provides plenty of useful features such as query highlighting, saving & replay of queries, and more. In this article, we will look at how to install PgAdmin 4 in Ubuntu.

How to Install PgAdmin 4 in Ubuntu

Here are the steps to install PgAdmin 4 in Ubuntu. Please note, you need a root user or user with sudo privileges to install PgAdmin in Ubuntu.

1. Update Packages

Open terminal and run the following commands to update Linux packages.

$ sudo apt-get update

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2. Install Required Packages

You need to install python, pip and virtualenv before installing PgAdmin. In most Ubuntu systems, python & pip are already present by default. Yet, we have included them below for the sake of completeness.

$ sudo apt-get install build-essential libssl-dev libffi-dev libgmp3-dev
virtualenv python-pip libpq-dev python-dev

If you see any prompts, enter Y to proceed.

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3. Create Virtual Environment

We will create a separate virtual environment for PgAdmin so that it remains isolated from installation or modification of other applications on your system. For this purpose, we will make a new folder and create a virtual environment within this folder.

$ mkdir pgAdmin4
$ cd pgAdmin4
$ virtualenv pgAdmin4

We will also activate our virtual environment with the following command.

$ cd pgAdmin4
$ source bin/activate

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4. Download & Install pgAdmin 4

Run the following command to download PgAdmin 4

$ sudo wget

Install PgAdmin 4 with the following command.

$ pip install pgadmin4-2.1-py2.py3-none-any.whl

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5. Configure PgAdmin 4

After installation, we need to create a configuration file at /python2.7/site-packages/pgadmin4/. We will create a config file at this location.

$ sudo vi /python2.7/site-packages/pgadmin4/

Add the following content in this configuration file.

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')

Use the following command to run PgAdmin

$ python lib/python2.7/site-packages/pgadmin4/

If you get any error message related to flask-htmlmin module, then run the following command to install the module before running PgAdmin.

$ pip install flask-htmlmin
$ python lib/python2.7/site-packages/pgadmin4/

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6. Test PgAdmin 4

PgAdmin runs on port 5050. Open browser and go to http://localhost:5050. You will see the following PgAdmin 4 dashboard.

That’s it. You are ready to use PgAdmin 4. Just click Add New Server to connect your PostgreSQL database to PgAdmin. You will see a connection form that you can fill out and click Save to create a new database connection.

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