Install Odoo 15 on Ubuntu 22.04

Below is the steps to run Odoo 15 on Ubuntu 22.04:

• Install some packages
  sudo apt update
  sudo apt upgrade -y
  sudo apt install -y software-properties-common wget git build-essential xfonts-75dpi xfonts-base fontconfig libxrender1 node-less libjpeg-dev gdebi postgresql build-essential wget libxslt-dev libzip-dev libldap2-dev libsasl2-dev node-less libjpeg-dev gdebi libpq-dev libxml2-dev libxslt1-dev libldap2-dev libsasl2-dev libffi-dev python3-pypdf2 python3-pil python3-reportlab python3-passlib python3-werkzeug python3-lxml python3-decorator python3-polib python3-psycopg2 python3-dateutil python3-psutil python3-psutil python3-docutils python3-qrcode python3-stdnum python3-zeep python3-pip python3-venv python3-gevent python3-ofxparse python3-ldap
  

• Create OS user and DB user
  sudo useradd -d /odoo -s /bin/bash odoo
  sudo su - postgres -c "createuser -s odoo"

• Download Odoo 15
  git clone --depth 1 --branch 15.0 https://www.github.com/odoo/odoo /odoo/odoo-server

• Install wkhtmltox
  wget https://github.com/wkhtmltopdf/packaging/releases/download/0.12.6.1-2/wkhtmltox_0.12.6.1-2.jammy_amd64.deb
  sudo dpkg -i wkhtmltox_0.12.6.1-2.jammy_amd64.deb
  rm wkhtmltox_0.12.6.1-2.jammy_amd64.deb

• Create Odoo configuration file
  # nano /etc/odoo-server.conf
  [options]
  admin_passwd = admin
  logfile = /var/log/odoo/odoo-server.log
  addons_path=/odoo/odoo-server/addons,/odoo/custom/addons

• Create directory custom addons and log
  sudo mkdir -p /odoo/custom/addons /var/log/odoo
  sudo chown -R odoo:odoo /odoo /var/log/odoo /etc/odoo-server.conf

• Install some requirement modules
  sudo su odoo -c 'pip3 install -r /odoo/odoo-server/requirements.txt'

• Run this just for testing
  sudo su odoo -c '/odoo/odoo-server/odoo-bin -c /etc/odoo-server.conf'

• Create Odoo Init file in order to automatically run Odoo ever reboot
  # nano /etc/init.d/odoo-server
  #!/bin/sh
  ### BEGIN INIT INFO
  # Provides: odoo-server
  # Required-Start: $remote_fs $syslog
  # Required-Stop: $remote_fs $syslog
  # Should-Start: $network
  # Should-Stop: $network
  # Default-Start: 2 3 4 5
  # Default-Stop: 0 1 6
  # Short-Description: Enterprise Business Applications
  # Description: ODOO Business Applications
  ### END INIT INFO
  PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/bin
  DAEMON=/odoo/odoo-server/odoo-bin
  NAME=odoo-server
  DESC=odoo-server
  # Specify the user name (Default: odoo).
  USER=odoo
  # Specify an alternate config file (Default: /etc/openerp-server.conf).
  CONFIGFILE="/etc/odoo-server.conf"
  # pidfile
  PIDFILE=/var/run/${NAME}.pid
  # Additional options that are passed to the Daemon.
  DAEMON_OPTS="-c $CONFIGFILE"
  [ -x $DAEMON ] || exit 0
  [ -f $CONFIGFILE ] || exit 0
  checkpid() {
  [ -f $PIDFILE ] || return 1
  pid=`cat $PIDFILE`
  [ -d /proc/$pid ] && return 0
  return 1
  }
  case "${1}" in
  start)
  echo -n "Starting ${DESC}: "
  start-stop-daemon --start --quiet --pidfile $PIDFILE --chuid $USER --background --make-pidfile --exec $DAEMON -- $DAEMON_OPTS
  echo "${NAME}."
  ;;
  stop)
  echo -n "Stopping ${DESC}: "
  start-stop-daemon --stop --quiet --pidfile $PIDFILE --oknodo
  echo "${NAME}."
  ;;
  restart|force-reload)
  echo -n "Restarting ${DESC}: "
  start-stop-daemon --stop --quiet --pidfile $PIDFILE --oknodo
  sleep 1
  start-stop-daemon --start --quiet --pidfile $PIDFILE --chuid $USER --background --make-pidfile --exec $DAEMON -- $DAEMON_OPTS
  echo "${NAME}."
  ;;
  *)
  N=/etc/init.d/$NAME
  echo "Usage: $NAME {start|stop|restart|force-reload}" >&2
  exit 1
  ;;
  esac
  exit 0
  

• Run odoo-server service
  sudo chmod 755 /etc/init.d/odoo-server
  sudo chown root: /etc/init.d/odoo-server
  sudo update-rc.d odoo-server defaults
  sudo service odoo-server start
  

• Check Odoo log file
  tail -f /var/log/odoo/odoo-server.log
  

• Use web browser to access Odoo
  http://serveripaddress:8069