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Setting up Multi-tenancy in ERPNext

by karani
written by karani

In Software, multi-tenancy is an architecture in which a single instance of a software application serves multiple customers, who are called tenants. The application can be offered as a service or as a platform.

Companies today are leveraging software as a service, or SaaS, to provide data protection in a package that results in superior security, better economics and reduced overhead. One of the ways we do this is through multi-tenant architecture.

In today’s video, we will loon at how to implement multi-tenancy in ERPNext and the Frappe Framework.

Steps needed

bench config dns_multitenant on

bench new-site first.site

bench setup nginx

sudo service nginx reload

bench –site first.site install-app erpnext

After this is successful, navigate to /etc/hosts and make the following changes.

Please take into account the name of your sites. You will need to add a route for every site you add.

Add routes:

127.0.0.1 first.site

127.0.0.1 second.site

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FeaturedFrappe/ERPNextTechnology

Why ERPNext is the best option for your Business

by karani
written by karani

ERPNext is one of the fastest-growing ERP systems in the marketplace. It has listed in top ERP systems for 3 years in a row (2017, 2018, 2019) according to Gartner.

What is ERPNext?

ERPNext is an open-source technology. This means that they provide the code to people that implement the software, basically, you can do whatever you want with the software. Unlike traditional commercial off-the-shelf software where the code is proprietary, you can’t really change the code without very deep technical expertise. Open-source, allows organizations to change and modify the technology however they need to. ERPNext positions and markets their product as an open-source alternative to SAP.

Why choose ERPNext over other ERP systems?

Having been rated as a category leader by GetApp in 2020, and rated by Gartner for user friendliness, here are 5 reasons to get you started;

#1. You save Money

ERPNext is an opensource solution. All you need to do is get a company to help you implement it for your business. You can also opt for the enterprise version of ERPNext, which is 10X cheaper that SAP.

#2. It is Open Source

The tech giants, the likes of Google, Amazon, Microsoft and even Android phones are being powered by open source software. Get your business into the loop as well.

#3. Control over your Data

The choice of where your data sits is yours. You can decide to have it on Dropbox, Google Drive, Amazon S3, or wherever you like it sitting.

#4. Easy to use

Gartner has rated ERPNext top for user friendliness for 3 years in a row. In fact, there is a saying out there that Everyone who uses ERPNext likes it!

#5. Excellent Support

This is not the kind of software where you have to rely on one company to provide all the support. Its open-source nature opens you to a wide community where you can get support any time you need it. You may also decide to choose a partner to help you with your work. Frappe Technologies is also a choice if you so desire.

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Frappe/ERPNextTechnology

How to Authenticate and Login to ERPNext With an API

by karani
written by karani

The Login Service API provides endpoints to manage the User Session in Conversational Cloud, such as User Login, Application Login, Logout and Refresh. API authentication is the processes of certifying the identity of users trying to access resources that are protected on the server.

In this tutorial we will develop an API endpoint that we will use to authenticate and allow users to login to ERPNext or the Frappe Framework.

Here is the GitHub link to the code.

 

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FeaturedTechnology

How To Install ERPNext in Ubuntu 20.04 – A Step by Step Guide

by karani
written by karani

ERPNext installation can be a pain in the neck, especially if you are getting started. In this article, I will take a step-by-step approach to configure our newly installed ubuntu 20.04 OS to set up an environment and install ERPNext. We will not leave any stone un-turned here. Let’s get to work!

Prerequisites

Software Requirements

  • Updated Ubuntu 20.04
  • A user with sudo privileges
  • Python 3.6+
  • Node.js 12
  • Redis 5
  • MariaDB 10.3.x / Postgres 9.5.x
  • yarn 1.12+
  • pip 20+
  • wkhtmltopdf (version 0.12.5 with patched qt)
  • cron
  • NGINX

Hardware Requirements

  • 4GB RAM
  • 40GB Hard Disk

In our first steps, we will make sure our system is up to date by running below commands:

$ sudo apt update
$ sudo apt -y upgrade

It is recommended to reboot your system whenever you do upgrade:

$ sudo reboot

Step 1: Install Python Tools & wkhtmltopdf

$ sudo apt -y install vim libffi-dev python3-pip python3-dev  python3-testresources libssl-dev wkhtmltopdf

Step 2: Install Curl, Redis and Node.js

$ sudo apt install curl


$ sudo curl --silent --location https://deb.nodesource.com/setup_14.x | sudo bash -

$ curl -sL https://dl.yarnpkg.com/debian/pubkey.gpg | gpg --dearmor | sudo tee /usr/share/keyrings/yarnkey.gpg >/dev/null
$ echo "deb [signed-by=/usr/share/keyrings/yarnkey.gpg] https://dl.yarnpkg.com/debian stable main" | sudo tee /etc/apt/sources.list.d/yarn.list
$ sudo apt-get update && sudo apt-get install yarn
$ sudo apt -y install gcc g++ make nodejs redis-server

Step 3: Install Nginx web server and MariaDB Database server

$ sudo apt -y install nginx
$ sudo apt install mariadb-server

Change authentication plugin.

$ sudo mysql -u root
USE mysql;
UPDATE user SET plugin='mysql_native_password' WHERE User='root';
UPDATE user SET authentication_string=password('your_password') WHERE user='root';
FLUSH PRIVILEGES;
EXIT;

Ensure you have the following settings for mysqld and mysql client as provided. I have put a file on a public github repo, so you can copy and replace the whole file. 

$ sudo nano /etc/mysql/mariadb.conf.d/50-server.cnf
$ sudo systemctl restart mariadb

Step 4: Install Bench and ERPNext

A bench is a tool used to install and manage ERPNext on your Ubuntu system. We will create a user that will run the ERPNext system, then configure the system.

$ sudo useradd -m -s /bin/bash erpnext
$ sudo passwd erpnext
$ sudo usermod -aG sudo erpnext

Now it is time to update your PATH.

$ sudo su - erpnext
$ tee -a ~/.bashrc<<EOF
PATH=\$PATH:~/.local/bin/
EOF
$ source ~/.bashrc

Next, you need to create a directory for ERPNext setup and give erpnext user read and write permissions to the directory:

$ sudo mkdir /home/bench
$ sudo chown -R erpnext /home/bench

Next switch to erpnext user and install the application:

$ sudo su - erpnext
$ cd /home/bench

Install frappe bench and git

$ sudo apt install git

$ sudo pip3 install frappe-bench

The next step is to initialize the bench directory with frappe framework installed. Make sure you are still inside the /opt/bench directory:

$ bench init erpnext --frappe-branch version-13

Create a new Frappe site.

$ cd erpnext

$ bench new-site erp.codewithkarani.com

Step 5: Get ERPNext application from GitHub

Download the ERPNext application from frappe Github repo. We will get version 13. You can get whichever version you like.

$ bench get-app branch version-13 erpnext https://github.com/frappe/erpnext

Step 6: Install ERPNext App on our Site

$ bench --site erp.codewithkarani.com install-app erpnext

Step 7: Start ERPNext and finish Installation

$ bench start

Navigate to the IP address of your installation and the port number shown on the terminal after running. In the case of a local instance, use 127.0.0.1:8000

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Technology

Sending Data From Other Applications To ERPNext with Webhooks

by karani
written by karani

In this video we will Implement a webhook inside a custom Python file and use it to send data to an ERPNext application.

Webhooks are one of a few ways web applications can communicate with each other. It allows you to send real-time data from one application to another whenever a given event occurs.

This is how PayPal tells your accounting app when your clients pay you, how Twilio routes phone calls to your number, and how WooCommerce can notify you about new orders in Slack.

 

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Technology

Sending Data From ERPNext To Other Applications With Webhooks

by karani
written by karani

Webhooks are one of a few ways web applications can communicate with each other. It allows you to send real-time data from one application to another whenever a given event occurs.

This is how PayPal tells your accounting app when your clients pay you, how Twilio routes phone calls to your number, and how WooCommerce can notify you about new orders in Slack.

Let’s implement a webhook to send data from ERPNext to another application.

 

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FeaturedTechnology

Automating Actions with Hooks & Controller Methods in ERPNext/Frappe

by karani
written by karani

In this ERPNext / Frappe Framework tutorial, I will show you how you can automate actions with Hooks by executing controller methods. Here, we will use hooks to trigger changes in other DocTypes when we save the document we are working on. On saving the document, we want to open a record on another document and save it as well.

Watch on YouTube

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Technology

Making API Calls in ERPNext

by karani
written by karani

Let me first remind you that ERPNext rides on top of the Frappe framework. Making API calls from any part of ERPNext or the frappe framework is not any different from how you would do it say in Django. In this episode, I will do the basic API calls you can make. This will however give you a general overview on how to work with any API.

Watch on Youtube

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FeaturedTechnology

How To Install MariaDB 10.5 on Ubuntu 20.X

by karani
written by karani

How can I install MariaDB 10.5 on Ubuntu 20.04 (Focal Fossa) server?. MariaDB is a popular drop-in replacement of MySQL database server with more features, new storage engines, and better performance. You can check a complete list of MariaDB 10.5 features from the official website. The MariaDB database server is published as free and open source software under the General Public License version 2.

To install MariaDB 10.5 on Ubuntu 20.04, you need to add MariaDB repository on to the system. Then the installation of MariaDB 10.5 on Ubuntu 20.04 will be done from the APT repository added without any issues.

Step 1: Update System

Ensure your system is updated and install software-properties-common package.

sudo apt update && sudo apt upgrade
sudo apt -y install software-properties-common

Step 2: Import MariaDB gpg key:

Run the command below to add Repository Key to the system:

sudo apt-key adv --fetch-keys 'https://mariadb.org/mariadb_release_signing_key.asc'

Step 3: Add MariaDB APT repository

After importation of repository GPG key, add the APT repository by running the following command:

sudo add-apt-repository 'deb [arch=amd64] http://mariadb.mirror.globo.tech/repo/10.5/ubuntu focal main'

Step 4: Install MariaDB Server on 20.04 Linux

The last step is the installation of MariaDB Server:

sudo apt update
sudo apt install mariadb-server mariadb-client

Hit the y key to accept installation of MariaDB 10.5 on Ubuntu 20.04 Linux.

The following additional packages will be installed:
  galera-4 libcgi-fast-perl libcgi-pm-perl libdbd-mariadb-perl libdbi-perl libencode-locale-perl libfcgi-perl libhtml-parser-perl libhtml-tagset-perl
  libhtml-template-perl libhttp-date-perl libhttp-message-perl libio-html-perl liblwp-mediatypes-perl libmariadb3 libmysqlclient21
  libterm-readkey-perl libtimedate-perl liburi-perl mariadb-client-10.5 mariadb-client-core-10.5 mariadb-common mariadb-server-10.5
  mariadb-server-core-10.5 mysql-common socat
Suggested packages:
  libclone-perl libmldbm-perl libnet-daemon-perl libsql-statement-perl libdata-dump-perl libipc-sharedcache-perl libwww-perl mailx mariadb-test
  tinyca
The following NEW packages will be installed:
  galera-4 libcgi-fast-perl libcgi-pm-perl libdbd-mariadb-perl libdbi-perl libencode-locale-perl libfcgi-perl libhtml-parser-perl libhtml-tagset-perl
  libhtml-template-perl libhttp-date-perl libhttp-message-perl libio-html-perl liblwp-mediatypes-perl libmariadb3 libmysqlclient21
  libterm-readkey-perl libtimedate-perl liburi-perl mariadb-client mariadb-client-10.5 mariadb-client-core-10.5 mariadb-common mariadb-server
  mariadb-server-10.5 mariadb-server-core-10.5 mysql-common socat
0 upgraded, 28 newly installed, 0 to remove and 0 not upgraded.
Need to get 29.5 MB of archives.
After this operation, 229 MB of additional disk space will be used.
Do you want to continue? [Y/n] y

Step 5: Secure MariaDB Server on 20.04 Linux

You have to manually run the MySQL hardening script.

$ sudo mysql_secure_installation 

NOTE: RUNNING ALL PARTS OF THIS SCRIPT IS RECOMMENDED FOR ALL MariaDB
      SERVERS IN PRODUCTION USE!  PLEASE READ EACH STEP CAREFULLY!

In order to log into MariaDB to secure it, we'll need the current
password for the root user. If you've just installed MariaDB, and
haven't set the root password yet, you should just press enter here.

Enter current password for root (enter for none): 
OK, successfully used password, moving on...

Setting the root password or using the unix_socket ensures that nobody
can log into the MariaDB root user without the proper authorisation.

You already have your root account protected, so you can safely answer 'n'.

Switch to unix_socket authentication [Y/n] y
Enabled successfully!
Reloading privilege tables..
 ... Success!


You already have your root account protected, so you can safely answer 'n'.

Change the root password? [Y/n] y
New password: 
Re-enter new password: 
Password updated successfully!
Reloading privilege tables..
 ... Success!


By default, a MariaDB installation has an anonymous user, allowing anyone
to log into MariaDB without having to have a user account created for
them.  This is intended only for testing, and to make the installation
go a bit smoother.  You should remove them before moving into a
production environment.

Remove anonymous users? [Y/n] y
 ... Success!

Normally, root should only be allowed to connect from 'localhost'.  This
ensures that someone cannot guess at the root password from the network.

Disallow root login remotely? [Y/n] y
 ... Success!

By default, MariaDB comes with a database named 'test' that anyone can
access.  This is also intended only for testing, and should be removed
before moving into a production environment.

Remove test database and access to it? [Y/n] y
 - Dropping test database...
 ... Success!
 - Removing privileges on test database...
 ... Success!

Reloading the privilege tables will ensure that all changes made so far
will take effect immediately.

Reload privilege tables now? [Y/n] y
 ... Success!

Cleaning up...

All done!  If you've completed all of the above steps, your MariaDB
installation should now be secure.

Thanks for using MariaDB!

The database service should be started automatically after installation.

$  systemctl status mysql
● mariadb.service - MariaDB 10.5.2 database server
     Loaded: loaded (/lib/systemd/system/mariadb.service; enabled; vendor preset: enabled)
    Drop-In: /etc/systemd/system/mariadb.service.d
             └─migrated-from-my.cnf-settings.conf
     Active: active (running) since Sat 2020-04-25 23:57:39 UTC; 2min 8s ago
       Docs: man:mysqld(8)
             https://mariadb.com/kb/en/library/systemd/
   Main PID: 4309 (mysqld)
     Status: "Taking your SQL requests now..."
      Tasks: 11 (limit: 2344)
     Memory: 82.5M
     CGroup: /system.slice/mariadb.service
             └─4309 /usr/sbin/mysqld

Apr 25 23:57:44 ubuntu20 /etc/mysql/debian-start[4332]: mysql
Apr 25 23:57:44 ubuntu20 /etc/mysql/debian-start[4332]: performance_schema
Apr 25 23:57:44 ubuntu20 /etc/mysql/debian-start[4332]: Phase 6/7: Checking and upgrading tables
Apr 25 23:57:44 ubuntu20 /etc/mysql/debian-start[4332]: Processing databases
Apr 25 23:57:44 ubuntu20 /etc/mysql/debian-start[4332]: information_schema
Apr 25 23:57:44 ubuntu20 /etc/mysql/debian-start[4332]: performance_schema
Apr 25 23:57:44 ubuntu20 /etc/mysql/debian-start[4332]: Phase 7/7: Running 'FLUSH PRIVILEGES'
Apr 25 23:57:44 ubuntu20 /etc/mysql/debian-start[4332]: OK
Apr 25 23:57:44 ubuntu20 /etc/mysql/debian-start[5138]: Checking for insecure root accounts.
Apr 25 23:57:44 ubuntu20 /etc/mysql/debian-start[5142]: Triggering myisam-recover for all MyISAM tables and aria-recover for all Aria tables

Test login to MariaDB shell using mysql command:

$ mysql -u root -p
Enter password: 
Welcome to the MariaDB monitor.  Commands end with ; or \g.
Your MariaDB connection id is 56
Server version: 10.5.2-MariaDB-1:10.5.2+maria~focal-log mariadb.org binary distribution

Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

MariaDB [(none)]>

Check version using the command:

MariaDB [(none)]> SELECT VERSION();
+-----------------------------------------+
| VERSION() |
+-----------------------------------------+
| 10.5.2-MariaDB-1:10.5.2+maria~focal-log |
+-----------------------------------------+
1 row in set (0.000 sec)
MariaDB [(none)]>

 

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