1) Login sebagai root dan lakukan apt update

sudo su
sudo apt update

2. Buat nama user "Odoo" yang nanti akan menjalankan aplikasi

root@alpha:~$ useradd -d /home/odoo -m odoo -s /bin/bash
root@alpha:~$ passwd odoo  
root@alpha:~$ adduser odoo sudo

3. Install postgresql

sudo apt install -y postgresql
sudo systemctl start postgresql

4. Buat odoo user

sudo su postgres
createuser --createdb --username postgres --no-createrole --no-superuser --pwprompt odoo
exit

5. Clone the latest Odoo

su odoo
sudo git clone https://github.com/odoo/odoo.git --depth 1 --branch 13.0 --single-branch odoo13

6. Install python dependency

sudo apt install wget git python-pip gdebi-core python3-dev libxml2-dev libxslt-dev libldap2-dev libsasl2-dev

7. Install wkhtml

sudo wget https://github.com/wkhtmltopdf/packaging/releases/download/0.12.1.4-2/wkhtmltox_0.12.1.4-2.bionic_amd64.deb
sudo dpkg-iwkhtmltox_0.12.1.4-2.bionic_amd64.deb

8. Install python 3 dependency

cd odoo
sudo apt install python3-pip
pip3 install -r requirements.txt

sudo apt-get install python3-passlib python3-pypdf2 python3-babel python3-werkzeug python3-lxml python3-decorator python3-dateutil python3-polib python3-pil python3-psutil python3-reportlab python3-psycopg2 python3-html2text python3-docutils python3-jinja2

sudo apt-get install python3-pypdf2

sudo apt-get install python3-babel

sudo apt-get install python3-werkzeug

sudo apt-get install python3-lxml

sudo apt-get install python3-decorator
sudo apt-get install python3-dateutil
sudo apt-get install python3-polib
sudo apt-get install python3-pil
sudo apt-get install python3-psutil
sudo apt-get install python3-reportlab

sudo apt-get install python3-psycopg2
sudo apt-get install python3-html2text
sudo apt-get install python3-docutils
sudo apt-get install python3-jinja2
sudo apt-get install python3-stdnum

Catatan :

Cara solve error pidfile already exists: /var/run/odoo-server13-skm.pid

odoo@odoo-skm:/etc/init.d$ sudo /etc/init.d/odoo-server13-skm start
pidfile already exists: /var/run/odoo-server13-skm.pid
odoo@odoo-skm:/etc/init.d$
sudo rm /var/run/odoo-server13-skm.pid

Cara install postgresql spesifik versi

sudo apt-get install postgresql-10

Cara disabled versi postgresql

sudo nano /etc/postgresql/10/main/start.conf

kemudian restart postgresql

Cara melihat postgre versi yang sedang berjalan

odoo@serverkm:/home/saranakm$ pg_lsclusters
Ver Cluster Port Status Owner    Data directory               Log file
9.6 main    5432 down   postgres /var/lib/postgresql/9.6/main /var/log/postgresql/postgresql-9.6-main.log
10  main    5434 online postgres /var/lib/postgresql/10/main  /var/log/postgresql/postgresql-10-main.log
13  main    5433 down   postgres /var/lib/postgresql/13/main  /var/log/postgresql/postgresql-13-main.log