odoo14 install on ubuntu20.0.4

sudo apt update
sudo apt install git python3-pip 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/odoo14 -U -r -s /bin/bash odoo14
sudo apt install postgresql
sudo su – postgres -c “createuser -s odoo14”
sudo wget https://github.com/wkhtmltopdf/packaging/releases/download/0.12.6-1/wkhtmltox_0.12.6-1.bionic_amd64.deb
sudo apt install ./wkhtmltox_0.12.6-1.bionic_amd64.deb
sudo su – odoo14
cd /opt/odoo14
source odoo-venv/bin/activate
pip3 install wheel
deactivate
mkdir /opt/odoo14/odoo-custom-addons
exit
sudo nano /etc/odoo14.conf
[options]
; This is the password that allows database operations:
admin_passwd = my_admin_passwd
db_host = False
db_port = False
db_user = odoo14
db_password = False
addons_path = /opt/odoo14/odoo/addons,/opt/odoo14/odoo-custom-addons
sudo nano /etc/systemd/system/odoo14.service
[Unit]
Description=Odoo14
Requires=postgresql.service
After=network.target postgresql.service

[Service]
Type=simple
SyslogIdentifier=odoo14
PermissionsStartOnly=true
User=odoo14
Group=odoo14
ExecStart=/opt/odoo14/odoo-venv/bin/python3 /opt/odoo14/odoo/odoo-bin -c /etc/odoo14.conf
StandardOutput=journal+console

[Install]
WantedBy=multi-user.target
sudo systemctl daemon-reload
sudo systemctl enable –now odoo14
sudo systemctl status odoo14
sudo systemctl restart odoo14