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# Open ERP

From ArchWiki

# Introduction

This introduction briefly describes Open ERP, its basic design, and its community. The rest of this article details installing and configuring Open ERP on Arch Linux. It also provides additional information about Open ERP documentation, community, and development.

Open ERP is Enterprise Resource Planning software. It provides a complete, integrated ERP solution for small and medium sized businesses and organizations. Open ERP includes financial and analytic accounting, warehouse and inventory management, sales and purchase management, customer and supplier relations management, association management, tasks automation, human resource management, marketing campaign, document management, help desk, e-commerce integration, and point of sale functionality.

Open ERP features an application server which uses PostgreSQL for its database, with a web-based client. It is written in the Python programming language, with a highly modular design which allows for the rapid development of new modules through Open Object RAD. Open ERP developers have a strong committment to free software.

A thriving support and development community has grown up around Open ERP, providing free technical support, bugfixing, new development, and support services. Open ERP provides extensive documentation in various electronic formats, as well as hardcopy. The company responsible for development of Open ERP earns profits through partnership services with Open ERP consultants, and by providing support, training, hosting services, software development, and software quality testing and verification.

# Before Installing Open ERP

### Installing PostgreSQL

Open ERP uses the PostgreSQL database, which should be installed and configured before installing Open ERP. Follow PostgreSQL#Installing PostgreSQL. Complete these installation instructions, but do not perform any other configuration from that page. Return to this page for additional configuration steps.

### Configuring PostgreSQL for local use on your own machine

If you plan to use PostgreSQL and Open ERP on the same machine, you will need to configure PostgreSQL to listen on the localhost's 5432 TCP port. Open `/var/lib/postgres/data/postgresql.conf` and navigate to the `CONNECTIONS AND AUTHENTICATION` section. Uncomment the `listen_addresses` and `port` lines. Save the file. When complete, the section should appear as follows:

    #------------------------------------------------------------------------------
    # CONNECTIONS AND AUTHENTICATION
    #------------------------------------------------------------------------------

    # - Connection Settings -

    listen_addresses = 'localhost'          # what IP address(es) to listen on;
                                            # comma-separated list of addresses;
                                            # defaults to 'localhost', '*' = all
                                            # (change requires restart)
    port = 5432                             # (change requires restart)

Restart PostgreSQL so that it uses the newly changed conf file.

Verify that PostgreSQL is listening on the localhost port 5432:

    # ss -anpt

    tcp        0      0 127.0.0.1:5432          0.0.0.0:*               LISTEN      13420/postgres

### Configuring PostgreSQL for remote use over a network

If you need remote access to PostgreSQL over a network, read PostgreSQL#Configure PostgreSQL to be accessible from remote hosts.

### Setting up PostgreSQL to run with Open ERP

Next, it is necessary to create a new PostgreSQL user for Open ERP. In this example, the user is 'yourusername', but you should replace this with your Arch system login username. First, log in as the default PostgreSQL superuser, 'postgres', by executing the following command from the CLI:

- If you have sudo set up:

    $ sudo -i -u postgres

- Otherwise:

    $ su
    # su - postgres

Once logged in as postgres, begin the process of creating the 'yourusername' user, with the folowing command:

    $ createuser yourusername -P

You will first be asked for a password. For highly secure yet easy to remember passwords, consider using a Diceware Passphrase. Re-enter the password as requested. The next three questions should be answered in sequence with n, y, and n. Shall the new role be a superuser? n Shall the new role be allowed to create database? y Shall the new role be allowed to create more new roles? n

You may also use options as below to skip the interactive questions to set the attributes:

    $ createuser yourusername --createdb --login --no-superuser --no-createrole -P

Once you are finished answering these questions, type the word 'exit' to log out from PostgreSQL as the postgres superuser.

You may want to enable `postgresql` with systemd so it will start at boot.

This completes the installation and setup of PostgreSQL for use with Open ERP under Arch Linux. Additional detailed information about PostgreSQL configuration may be found in the PostgreSQL article, and the PostgreSQL Manuals webpage. Also, there is a powerful GUI PostgreSQL Admin tool, pgAdmin, which is available in the Arch repositories.

# Installing Open ERP from AUR

Open ERP requires the installation of the Open ERP Server, Open ERP comes with a webserver so you can use your web browser to use it. Currently, Open ERP is not available in the official repositories, but it is available through the Arch User Repository.

### install Open ERP

Install openerp from the AUR.

### configure Open ERP

the configure file of Open ERP server is at `/etc/openerp/openerp-server.conf`. make it look like this:

     [options]
     ; This is the password that allows database operations:
     ; admin_passwd = admin
     db_host = localhost
     db_port = 5432
     db_user = yourusername  ##this is username you created in postegres.
     db_password =

if you want to run openerp in multiple process, you can add this line to `/etc/openerp/openerp-server.conf`.

    workers = n # change n to a number you like.

### start Open ERP server

use the command below to enable autostart openerp server when system boot:

    systemctl enable openerp-server.service

use the command below to start openerp:

    systemctl start openerp-server.service

### login to Open ERP

use your favorite web browser and go to link below:

    127.0.0.1:8069

shows openerp login page.

# additional settings

you can see a complete list of configuration by using below command, it will save a copy of configuration file to `~/.openerp_serverrc`.

    openerp-server -s

for more information, use

    openerp-server --help

# Additional Open ERP Documentation

There are various sources of Open ERP documentation. The best place to start is the Open ERP Documentation webpage. This page links to different online documents, including detailed installation instructions. Additionally, there is an online copy of the book, "Open ERP for Retail and Industrial Management",and can be purchased from Amazon.com. While Open ERP documentation, such as "Open ERP for Retail and Industrial Management" is freely downloadable, it does not come with a free documentation license.

# Open ERP Community

The Open ERP Community is centered upon the Open Object website. Free technical support for Open ERP may be found in the webforums[dead link 2013-08-26], a mailing list[dead link 2011-09-06] which is linked to the webforums, an IRC channel on freenode.net, an Open ERP wiki, and the Official ERP Documentation webpage. The latest news may be found on Open ERP Planet, while various Open ERP screencasts are provided on Open ERP TV. Fee-based support services are provided by Open ERP Partners[dead link 2011-09-06].

# Open Object RAD

Open Object is the Python-based Rapid Application Development framework for developing Open ERP modules. It allows developers and businesses to customize Open ERP for specific needs. Open Object RAD development work is centered upon the Open Object Launchpad page. Developer news and blogs are published on Open Object Planet. There are pages for software downloads, Open ERP module downloads[dead link 2011-09-06], and development source code downloads.

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