25
Tue, Jun
3 New Articles

Setting Up a Python-Db2 Development Environment, Part 1

Programming - Other
Typography
  • Smaller Small Medium Big Bigger
  • Default Helvetica Segoe Georgia Times

The process of setting up an application development environment is frequently overlooked because the environment used is often dictated by the company a developer works for. 

By Roger Sanders

Editor's Note: This article is excerpted from chapter 5 of QuickStart Guide to Db2 Development with Python, by Roger Sanders.

Even developers who don’t work with an environment that is governed by their company may not have to do much to get started; they may only need to install their integrated development environment (IDE) of choice (such as Xcode or Visual Studio Code). But creating a new development environment from the ground up can be frustrating because not everybody’s computer is the same. Consequently, a setup tutorial for one computer—or a process used by one developer—may not work for another.

For this reason, this chapter does not cover the exact links and clicks that are required to set up a computer for application development—the right Google searches can help you with that. Instead, it focuses on how to get Db2 up and running on a Linux server (Linux was chosen because I

find it to be an easy operating system to use for Python development), how to create a populated database to work with, and how to install the libraries necessary to build Python applications that can interact with Db2.

A Word About My Development Platform: the UDOO X86

Before we look at the development environment setup process, I want to spend a few moments talking about the hardware and software I have been using over the past two years to create application development environments: a UDOO X86 Ultra single-board computer (SBC) running Windows 10, Red Hat Enterprise Linux (RHEL7.5), and Ubuntu Linux 18.04, together with Db2 Developer-C (now Db2 Community).

On June 22, 2017, with the release of Db2 v11.1.2.2 (Version 11.1, Modification Pack 2, Fix Pack 2), IBM introduced a new, free, full-featured version of Db2 known as Db2 Developer-C Edition. Before that, a free version of Db2 called Db2 Express-C was available, but that offering did not allow users to take advantage of features like range-partitioned tables, high-availability disaster recovery (HADR), and BLU Acceleration (columnar, in-memory tables). Like Db2 Express-C, Db2 Developer-C has some restrictions: no more than 4 cores/CPUs and 16 GB of RAM can be used, and databases cannot exceed 100 GB (compressed) in size. Unlike Db2 Express-C, these restrictions can be lifted simply by applying a new license key.

Setting Up a Python-Db2 Development Environment - Note1

Six weeks before Db2 Developer-C was made generally available, I started looking for an SBC with an x86 CPU I could use to create a simple Internet of Things (IoT) project. The goal was to create something like the IBM TJBot to tempt new developers to try Db2 Developer-C. (I considered using a Raspberry Pi, but needed a platform with a CPU the Db2 software is compiled for.) That’s when I discovered the UDOO X86 (Now the UDOO X86 II - https://www.udoo.org/discover-udoo-x86-ii/). Not only was I able to build something that got everyone’s attention at the 2017 International Db2 Users Group (IDUG) conference in Lisbon, Portugal (where my project was unveiled), but I also discovered what has become, at least to me, the ideal application development platform. With a quad-core Intel® Pentium processor, 8 GB of RAM, Intel dual-band wireless Wi-Fi, Bluetooth, and a 128 GB M.2 Solid State Disk (SSD) drive, my UDOO X86 Ultra is a very powerful computer for its size (which is 4.72” x 3.35” or 120mm x 85mm). I have found that by putting install images for different operating systems on a set of color-coded USB thumb drives, I can quickly reimage this machine in a variety of ways to build/rebuild a variety of development environments. (One nice feature of the UDOO X86 is its built-in 32GB eMMC storage. I keep the install code for Db2 and development tools like Anaconda and Visual Studio Code there so they do not have to be reloaded each time my machine is reimaged.) And, in just a few hours I can create a complex, live-demo platform that can be taken anywhere. The UDOO X86 that was used to create the Python examples referenced throughout the remainder of this book can be seen in Figure 5.1.

Setting Up a Python-Db2 Development Environment - Figure 1

Figure 5.1: My UDOO X86 Ultra Db2-Python development platform (Note: I created a custom mount bracket and added the external Wi-Fi antennas; the acrylic case is an add-on accessory.)

Downloading the Db2 Software

It has been my experience that IBM websites are constantly changing, so I’m hesitant to provide the link to a specific URL where the Db2 Community software can be found. At the time of this writing, the easiest way to get the software is to do a Google search for “Db2 Community download”. One of the first links provided in the list returned should take you to the IBM Db2 for Developers Marketplace. Select the link that takes you to the Marketplace website; then, locate and click the push button labeled Download now (or something similar). Follow the instructions provided—ultimately, you want to arrive at a Web page that looks something like the one shown in Figure 5.2 (this was the download page for Db2 Developer-C).

Setting Up a Python-Db2 Development Environment - Figure 2

Figure 5.2: IBM Db2 Developer-C for Non-Production Downloads Web page

When you arrive at this page, look for the Download now link located just to the left of text that looks like “IBM® Db2 11.1 for Linux® on AMD64 and Intel® EM64T systems (x64) v11.1_linuxx64_dec.tat.gz (1.43 GB)” (similar to the entry highlighted in Figure 5.2). Left-click this link to download the software, taking note of the location where the software is stored.

Setting Up a Python-Db2 Development Environment - Note 2

Enabling root User Access (Ubuntu Linux Setup Only)

When Ubuntu Linux is installed on a server, root login is disabled by default. But ideally, Db2 should be installed under the root user account. So, to enable root user access on an Ubuntu server, perform the following steps:

  1. Log in with a user account that has administrative Usually, this is the account that was created during Ubuntu installation. (I typically use the account name ibm_admin.)
  2. Open a terminal window. (Right-click anywhere on the desktop and select Open Terminal from the menu shown or press Ctrl + Alt + T).
  3. Execute the following command (from the terminal window):

sudo passwd root

  1. When the prompt [sudo] password for [AdminUser]: (where AdminUser is the user account used in Step 1) appears, enter the password for the administrative user account and press Enter.
  2. When the prompt Enter new Unix Password: appears, type a new password for the root user and press Enter.
  3. When the prompt Retype new Unix Password: appears, type the new password again and press Enter. You should see the message passwd: password updated successfully; if this message does not appear, go through the steps again, making any corrections suggested by the error message(s) returned.

Preparing a Linux Server for Db2 Installation

Before you can successfully install the Db2 software, you need to install several Linux shared library files that Db2 requires. To install these libraries, as well as update the Linux packages that are currently installed on the system (Ubuntu Linux only), perform the following steps:

  1. Open a terminal (Right-click anywhere on the desktop and select Open Terminal from the menu shown.)
  2. Log in as the root user by executing the following command:

su - root

When the Password: prompt appears, provide the appropriate password for the root user. The command-line prompt should change from $ to #.

  1. If you are using Ubuntu Linux, execute the following commands to install the prerequisite packages:

apt-get -y upgrade

apt-get -y install libaio1

apt-get -y install binutils

apt-get -y install zlib1g-dev

apt-get -y install libpam0g:i386

apt-get -y install libstdc++6:i386

apt-get -y install ksh

apt-get -y install liblogger-syslog-perl

apt-get update

If you are using Red Hat Enterprise Linux, execute the following commands instead:

subscription-manager repos –enable rhel-7-server-optional-rpms

yum -y --noplugins install pam-devel.i686

yum -y install libstdc++.so.6 yum

-y install ksh

yum -y install perl-Sys-Syslog

Setting Up a Python-Db2 Development Environment - Note3

Next time, Installing the Db2 Software...
 

 

 

Roger Sanders

Roger E. Sanders is a Principal Sales Enablement & Skills Content Specialist at IBM. He has worked with Db2 (formerly DB2 for Linux, UNIX, and Windows) since it was first introduced on the IBM PC (1991) and is the author of 26 books on relational database technology (25 on Db2; one on ODBC). For 10 years he authored the “Distributed DBA” column in IBM Data Magazine, and he has written articles for publications like Certification Magazine, Database Trends and Applications, and IDUG Solutions Journal (the official magazine of the International Db2 User's Group), as well as tutorials and articles for IBM's developerWorks website. In 2019, he edited the manuscript and prepared illustrations for the book “Artificial Intelligence, Evolution and Revolution” by Steven Astorino, Mark Simmonds, and Dr. Jean-Francois Puget.

From 2008 to 2015, Roger was recognized as an IBM Champion for his contributions to the IBM Data Management community; in 2012 he was recognized as an IBM developerWorks Master Author, Level 2 (for his contributions to the IBM developerWorks community); and, in 2021 he was recognized as an IBM Redbooks Platinum Author. He lives in Fuquay Varina, North Carolina.


MC Press books written by Roger E. Sanders available now on the MC Press Bookstore.

QuickStart Guide to Db2 Development with Python QuickStart Guide to Db2 Development with Python
Discover how Python, SQL, and Db2 can successfully be used with each other.
List Price $9.95

Now On Sale

DB2 10.5 Fundamentals for LUW (Exam 615) DB2 10.5 Fundamentals for LUW (Exam 615)
Don't even think about attempting to take the DB2 Fundamentals exam without this indispensable study guide.
List Price $79.95

Now On Sale

DB2 10.1 Fundamentals (Exam 610) DB2 10.1 Fundamentals (Exam 610)
Let one of the world's leading DB2 authors and a participant in the exam development help you succeed.
List Price $79.95

Now On Sale

Artificial Intelligence: Evolution and Revolution Artificial Intelligence: Evolution and Revolution
Operational AI has become available to the masses, setting the wheels in motion for a worldwide AI revolution that has never been seen before.
List Price $16.95

Now On Sale

DB2 10.5 DBA for LUW Upgrade from DB2 10.1: Certification Study Notes DB2 10.5 DBA for LUW Upgrade from DB2 10.1: Certification Study Notes
Here's everything you need to know to take and pass Exam 311, complete with a practice exam and study key.
List Price $21.95

Now On Sale

From Idea to Print From Idea to Print
Here's everything you need to know to turn your technical knowledge and expertise into a published article or book.
List Price $49.95

Now On Sale

DB2 9 Fundamentals (Exam 730) DB2 9 Fundamentals (Exam 730)
Use this review before taking the test to prove you've mastered the basics of DB2 9.
List Price $59.95

Now On Sale

DB2 9 for Linux, UNIX, and Windows Database Administration (Exam 731) DB2 9 for Linux, UNIX, and Windows Database Administration (Exam 731)
Use this indispensable study guide to prepare to take, and pass, Exam 731.
List Price $64.95

Now On Sale

DB2 9.7 for Linux, UNIX, and Windows Database Administration (Exam 541) DB2 9.7 for Linux, UNIX, and Windows Database Administration (Exam 541)
Get ready to take the DB2 9.7 certification exam with this handy study guide.
List Price $21.95

Now On Sale

DB2 9 for Linux, UNIX, and Windows Advanced Database Administration (Exam 734) DB2 9 for Linux, UNIX, and Windows Advanced Database Administration (Exam 734)
Review all exam topics and take the included practice test to be sure you're ready on testing day.
List Price $64.95

Now On Sale

DB2 9 for Linux, UNIX, and Windows Database Administration Upgrade (Exam 736) DB2 9 for Linux, UNIX, and Windows Database Administration Upgrade (Exam 736)
Prep for success with the master of DB2 certification study guides!
List Price $34.95

Now On Sale

Data Fabric: An Intelligent Data Architecture for AI Data Fabric: An Intelligent Data Architecture for AI
This book explains the concepts and values that a data fabric approach can deliver to both technical and business communities.
List Price $19.95

Now On Sale

BLOG COMMENTS POWERED BY DISQUS

LATEST COMMENTS

Support MC Press Online

$0.00 Raised:
$

Book Reviews

Resource Center

  • SB Profound WC 5536 Have you been wondering about Node.js? Our free Node.js Webinar Series takes you from total beginner to creating a fully-functional IBM i Node.js business application. You can find Part 1 here. In Part 2 of our free Node.js Webinar Series, Brian May teaches you the different tooling options available for writing code, debugging, and using Git for version control. Brian will briefly discuss the different tools available, and demonstrate his preferred setup for Node development on IBM i or any platform. Attend this webinar to learn:

  • SB Profound WP 5539More than ever, there is a demand for IT to deliver innovation. Your IBM i has been an essential part of your business operations for years. However, your organization may struggle to maintain the current system and implement new projects. The thousands of customers we've worked with and surveyed state that expectations regarding the digital footprint and vision of the company are not aligned with the current IT environment.

  • SB HelpSystems ROBOT Generic IBM announced the E1080 servers using the latest Power10 processor in September 2021. The most powerful processor from IBM to date, Power10 is designed to handle the demands of doing business in today’s high-tech atmosphere, including running cloud applications, supporting big data, and managing AI workloads. But what does Power10 mean for your data center? In this recorded webinar, IBMers Dan Sundt and Dylan Boday join IBM Power Champion Tom Huntington for a discussion on why Power10 technology is the right strategic investment if you run IBM i, AIX, or Linux. In this action-packed hour, Tom will share trends from the IBM i and AIX user communities while Dan and Dylan dive into the tech specs for key hardware, including:

  • Magic MarkTRY the one package that solves all your document design and printing challenges on all your platforms. Produce bar code labels, electronic forms, ad hoc reports, and RFID tags – without programming! MarkMagic is the only document design and print solution that combines report writing, WYSIWYG label and forms design, and conditional printing in one integrated product. Make sure your data survives when catastrophe hits. Request your trial now!  Request Now.

  • SB HelpSystems ROBOT GenericForms of ransomware has been around for over 30 years, and with more and more organizations suffering attacks each year, it continues to endure. What has made ransomware such a durable threat and what is the best way to combat it? In order to prevent ransomware, organizations must first understand how it works.

  • SB HelpSystems ROBOT GenericIT security is a top priority for businesses around the world, but most IBM i pros don’t know where to begin—and most cybersecurity experts don’t know IBM i. In this session, Robin Tatam explores the business impact of lax IBM i security, the top vulnerabilities putting IBM i at risk, and the steps you can take to protect your organization. If you’re looking to avoid unexpected downtime or corrupted data, you don’t want to miss this session.

  • SB HelpSystems ROBOT GenericCan you trust all of your users all of the time? A typical end user receives 16 malicious emails each month, but only 17 percent of these phishing campaigns are reported to IT. Once an attack is underway, most organizations won’t discover the breach until six months later. A staggering amount of damage can occur in that time. Despite these risks, 93 percent of organizations are leaving their IBM i systems vulnerable to cybercrime. In this on-demand webinar, IBM i security experts Robin Tatam and Sandi Moore will reveal:

  • FORTRA Disaster protection is vital to every business. Yet, it often consists of patched together procedures that are prone to error. From automatic backups to data encryption to media management, Robot automates the routine (yet often complex) tasks of iSeries backup and recovery, saving you time and money and making the process safer and more reliable. Automate your backups with the Robot Backup and Recovery Solution. Key features include:

  • FORTRAManaging messages on your IBM i can be more than a full-time job if you have to do it manually. Messages need a response and resources must be monitored—often over multiple systems and across platforms. How can you be sure you won’t miss important system events? Automate your message center with the Robot Message Management Solution. Key features include:

  • FORTRAThe thought of printing, distributing, and storing iSeries reports manually may reduce you to tears. Paper and labor costs associated with report generation can spiral out of control. Mountains of paper threaten to swamp your files. Robot automates report bursting, distribution, bundling, and archiving, and offers secure, selective online report viewing. Manage your reports with the Robot Report Management Solution. Key features include:

  • FORTRAFor over 30 years, Robot has been a leader in systems management for IBM i. With batch job creation and scheduling at its core, the Robot Job Scheduling Solution reduces the opportunity for human error and helps you maintain service levels, automating even the biggest, most complex runbooks. Manage your job schedule with the Robot Job Scheduling Solution. Key features include:

  • LANSA Business users want new applications now. Market and regulatory pressures require faster application updates and delivery into production. Your IBM i developers may be approaching retirement, and you see no sure way to fill their positions with experienced developers. In addition, you may be caught between maintaining your existing applications and the uncertainty of moving to something new.

  • LANSAWhen it comes to creating your business applications, there are hundreds of coding platforms and programming languages to choose from. These options range from very complex traditional programming languages to Low-Code platforms where sometimes no traditional coding experience is needed. Download our whitepaper, The Power of Writing Code in a Low-Code Solution, and:

  • LANSASupply Chain is becoming increasingly complex and unpredictable. From raw materials for manufacturing to food supply chains, the journey from source to production to delivery to consumers is marred with inefficiencies, manual processes, shortages, recalls, counterfeits, and scandals. In this webinar, we discuss how:

  • The MC Resource Centers bring you the widest selection of white papers, trial software, and on-demand webcasts for you to choose from. >> Review the list of White Papers, Trial Software or On-Demand Webcast at the MC Press Resource Center. >> Add the items to yru Cart and complet he checkout process and submit

  • Profound Logic Have you been wondering about Node.js? Our free Node.js Webinar Series takes you from total beginner to creating a fully-functional IBM i Node.js business application.

  • SB Profound WC 5536Join us for this hour-long webcast that will explore:

  • Fortra IT managers hoping to find new IBM i talent are discovering that the pool of experienced RPG programmers and operators or administrators with intimate knowledge of the operating system and the applications that run on it is small. This begs the question: How will you manage the platform that supports such a big part of your business? This guide offers strategies and software suggestions to help you plan IT staffing and resources and smooth the transition after your AS/400 talent retires. Read on to learn: