git clone --branch 15.0 --depth 1 https://github.com/odoo/odoo.git odoo15
cd odoo15
pip3 install -r requirements.txt

Crear Base de datos

Inicializar base de datos

python3 odoo-bin -r admin -w adminpwd --addons-path=addons -d odoo15 --db_host localhost -i all

OR

./odoo-bin --database=codingdodo_demo --db_user=odoo --db_password=codingdodo -i base --without-demo=all --save -c /home/odoo/.odoorc_codingdodo_demo --stop-after-init

installa buil essentials

sudo apt install build-essential
sudo apt-get install libxml2-dev libxslt1-dev python3-dev
sudo apt-get install libsasl2-dev python-dev libldap2-dev libssl-dev

pip3 install psycopg2-binary

Si da el siguiente error:

error in vatnumber setup command: use_2to3 is invalid.

aplicar el siguiente comando:

pip3 install "setuptools<58.0"

sudo apt install virtualenvwrapper
sudo apt install postgresql
sudo su - postgres -c "createuser -s odoo"
wget https://github.com/odoo/wkhtmltopdf/releases/download/nightly/wkhtmltox_0.13.0-1.nightly.jammy_amd64.deb
sudo dpkg -i wkhtmltox_0.13.0-1.nightly.jammy_amd64.deb
sudo apt install -f
sudo apt install -y build-essential wget python3-dev python3-venv python3-wheel libfreetype6-dev libxml2-dev libzip-dev libldap2-dev libsasl2-dev python3-setuptools node-less libjpeg-dev zlib1g-dev libpq-dev libxslt1-dev libldap2-dev libtiff5-dev libjpeg8-dev libopenjp2-7-dev liblcms2-dev libwebp-dev libharfbuzz-dev libfribidi-dev libxcb1-dev
sudo useradd -m -d /opt/odoo -U -r -s /bin/bash odoo
sudo passwd odoo
sudo su - odoo
git clone https://www.github.com/odoo/odoo --depth 1 --branch 16.0 /opt/odoo/odoo16

locate virtualenvwrapper, usually in /usr/share/virtualenvwrapper/virtualenvwrapper.sh put the following in .bashrc for no login shells

export WORKON_HOME=$HOME/.virtualenvs
export PROJECT_HOME=$HOME/project
source /usr/share/virtualenvwrapper/virtualenvwrapper.sh

crear el ambiente

sudo su - odoo
mkvirtualenv odoo16-env
cd odoo16
pip3 install -r requirements.txt
deactivate
mkdir /opt/odoo/odoo-custom-addons
exit
sudo nano /etc/odoo.conf

poner en el archivo lo siguiente:

[options]
admin_passwd = MiPasswordSuperSeguro
db_host = False
db_port = False
db_user = odoo
db_password = False
addons_path = /opt/odoo/odoo/addons,/opt/odoo/odoo-custom-addons

despues

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

[Unit]
Description=Odoo
Requires=postgresql.service
After=network.target postgresql.service

[Service]
Type=simple
SyslogIdentifier=odoo
PermissionsStartOnly=true
User=odoo
Group=odoo
ExecStart=/opt/odoo/odoo-venv/bin/python3 /opt/odoo/odoo/odoo-bin -c /etc/odoo.conf
StandardOutput=journal+console

[Install]
WantedBy=multi-user.target

NGINX

sudo nano /etc/nginx/sites-available/odoo16.conf

Poner

server {
	listen 80;
	server_name odoo.com; #reemplazar por el dominio que corresponda
	
	location / {
		proxy_pass http://localhost:8069;
		proxy_http_version 1.1;
		proxy_set_header Upgrade $http_upgrade;
		proxy_set_header Connection 'upgrade';
		proxy_set_header Host $host;
		proxy_cache_bypass $http_upgrade;
	}
}

cd /etc/nginx/sites-enabled/
ln -s /etc/nginx/sites-available/odoo16.conf odoo16.conf
nginx -t
systemctl restart nginx
apt install certbot python3-certbot-nginx
certbot --nginx -d odoo.com