How to Install Odoo 18 on Ubuntu 20.04

1. Update System

sudo apt update && sudo apt upgrade -y

2. Install Necessary Dependencies

sudo apt install -y git wget curl nano libpq-dev libxml2-dev libxslt-dev libldap2-dev libsasl2-dev build-essential libssl-dev libffi-dev python3-pip python3-dev libjpeg-dev zlib1g-dev liblcms2-dev libblas-dev libatlas-base-dev

3. Installing Python 3.12

sudo apt install software-properties-common -y

sudo add-apt-repository ppa:deadsnakes/ppa -y

sudo apt update

sudo apt install -y python3.12 python3.12-venv python3.12-dev

4. Create User for Odoo System

sudo adduser --system --home=/opt/odoo18 --group odoo18

5. PostgreSQL Setup and User Creation

sudo apt install -y postgresql

sudo -u postgres createuser --createdb --pwprompt odoo18

6. Create Virtual Environment (venv)

sudo su - odoo18 -s /bin/bash

python3.12 -m venv venvsource venv/bin/activate

7. Clone Odoo 18 Source Code

git clone https://github.com/odoo/odoo --depth 1 --branch 18.0 --single-branch odoo

CD Odoo

8. Install Python Dependencies

pip install --upgrade pip

pip install wheel

pip install -r requirements.txt

9. Install Node.js and Web Dependencies

sudo apt install -y npm node-less

sudo ln -s /usr/bin/nodejs /usr/bin/node

sudo npm install -g less less-plugin-clean-css

pip install libsass

10. Installation of wkhtmltopdf

wget https://github.com/wkhtmltopdf/packaging/releases/download/0.12.6-1/wkhtmltox_0.12.6-1.focal_amd64.deb

sudo apt install -y. /wkhtmltox_0.12.6-1.focal_amd64.deb

sudo cp /usr/local/bin/wkhtmltopdf /usr/bin/wkhtmltopdf

sudo cp /usr/local/bin/wkhtmltoimage /usr/bin/wkhtmltoimage

11. Create the Log Directory

sudo mkdir /var/log/odoo18

sudo chown odoo18:root /var/log/odoo18

12. Create Configuration File

sudo nano /etc/odoo18.conf

Content:

[opzioni]

admin_passwd = admin

db_host = FalseDB_port = False

db_user = odoo18

db_password = False

addons_path = /opt/odoo18/odoo/addons, /opt/odoo18/odoo/odoo/addons

logfile = /var/log/odoo18/odoo18.log

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sudo chown odoo18: /etc/odoo18.confs

sudo chmod 640 /etc/odoo18.conf

13. Create Service File

sudo nano /etc/systemd/system/odoo18.service

Content:

[Unit]

Description=Odot18

after=network.target

[Service] type=SimpleSysLogiIdentifier=ODOO18

permissionsStartOnly=true

user=odoo18

group=ODOO18

execstart=/opt/odoo18/venv/bin/python3 /opt/odoo18/odoo/odoo-bin -c /etc/odoo18.conf

defaultOutput=Journal+Console

[Instalar]

wantedby=Multi-user.target

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sudo chmod 755 /etc/systemd/system/odoo18.service

sudo systemctl daemon-reloadsudo systemctl enable odoo18.service

sudo systemctl start odoo18.service

14. Check the Status

sudo systemctl status odoo18.service

Access from the browser: <server-ip-adress>http: //:8069

Installation has been completed successfully.

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