Upgrade Host Server

$ sudo apt update && sudo apt upgrade

$ sudo apt install update-manager-core

$ sudo do-release-upgrade

$ sudo reboot

Create a new container

lxc launch ubuntu:20.04 odoo13

Configuring a Static IP Address

Edit

# access container
lxc exec odoo13 bash

# edit the netplan configuration file
vim /etc/netplan/50-cloud-init.yaml

View

cat /etc/netplan/50-cloud-init.yaml
# This file is generated from information provided by the datasource.  Changes
# to it will not persist across an instance reboot.  To disable cloud-init's
# network configuration capabilities, write a file
# /etc/cloud/cloud.cfg.d/99-disable-network-config.cfg with the following:
# network: {config: disabled}
network:
    version: 2
    ethernets:
        eth0:
            addresses: [10.10.10.219/24]
            gateway4: 10.10.10.20
            nameservers:
                addresses: [8.8.4.4,8.8.8.8]

Apply

netplan --debug apply

Install PostgreSQL server

apt install postgresql -y

show information about all PostgreSQL clusters

pg_lsclusters

Ver Cluster Port Status Owner    Data directory              Log file
12  main    5432 online postgres /var/lib/postgresql/12/main /var/log/postgresql/postgresql-12-main.log

Install Odoo 13 nightly

executing the following commands as root

wget -O - https://nightly.odoo.com/odoo.key | apt-key add -

echo "deb http://nightly.odoo.com/13.0/nightly/deb/ ./" >> /etc/apt/sources.list.d/odoo.list

apt-get update && apt-get install odoo

some output from screen

...
Need to get 87.2 MB of archives.
After this operation, 680 MB of additional disk space will be used.
Do you want to continue? [Y/n] Y
...

show service status

service odoo status
● odoo.service - Odoo Open Source ERP and CRM
     Loaded: loaded (/lib/systemd/system/odoo.service; enabled; vendor preset: enabled)
     Active: active (running) since Thu 2020-06-04 07:11:23 UTC; 1min 9s ago
   Main PID: 6790 (odoo)
      Tasks: 4 (limit: 57690)
     Memory: 59.2M
     CGroup: /system.slice/odoo.service
             └─6790 /usr/bin/python3 /usr/bin/odoo --config /etc/odoo/odoo.conf --logfile /var/log/odoo/od>

Jun 04 07:11:23 odoo13 systemd[1]: Started Odoo Open Source ERP and CRM.

Create custom module repository

• Create repository on Github with name odoo13_cust_mod

• clone repository git clone https://github.com/YOUR-USERNAME/YOUR-REPOSITORY

  cd /opt
  git clone https://github.com/kitcharoenp/odoo13_cust_mod.git
  

• change owner and permit group odoo to write

  ls -la /opt
  drwxr-xr-x  4 root root  5 Jun  4 07:29 odoo13_cust_mod
  ...
  chown -R odoo:odoo /opt/odoo13_cust_mod
  chmod -R g+w /opt/odoo13_cust_mod
  ...
  ls -la /opt
  drwxrwxr-x  4 odoo odoo  5 Jun  4 07:29 odoo13_cust_mod
  

• add an existing user to a odoo group

  $ sudo usermod -a -G odoo ubuntu
  

Configuring the addons_path point to custom module

• backup config

  # backup configuration
  cp /etc/odoo/odoo.conf /etc/odoo/odoo.conf.default
  

• append custom module /opt/odoo13_cust_mod to addons_path

  # show odoo configuration file
  cat /etc/odoo/odoo.conf
  ...
  [options]
  ; This is the password that allows database operations:
  ; admin_passwd = admin
  db_host = False
  db_port = False
  db_user = odoo
  db_password = False
  ; append custom module to addons_path
  addons_path = /usr/lib/python3/dist-packages/odoo/addons, /opt/odoo13_cust_mod
  

• restart service

  service odoo restart
  

Installing wkhtmltopdf

download from Github:

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

install

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