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In this course, we'll give you the tools to quickly identify and solve real-world problems that you might come across in your IT role. We'll look at a bunch of different strategies and approaches for tackling the most common pitfalls of your code and IT infrastructure. You'll learn strategies for approaching almost any technical problem and then see how those apply to solving different real-world scenarios.

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In this course, we'll give you the tools to quickly identify and solve real-world problems that you might come across in your IT role. We'll look at a bunch of different strategies and approaches for tackling the most common pitfalls of your code and IT infrastructure. You'll learn strategies for approaching almost any technical problem and then see how those apply to solving different real-world scenarios.

We picked examples that include general system issues, issues with software that someone else wrote, and issues with programs that we wrote. We'll talk about problems that can affect any operating system, and we'll also look at challenges specific to certain platforms and scripting languages. We strongly recommend that you’ve taken the prior courses in this program, or already have knowledge of Python and Linux so that you can follow along with our troubleshooting examples.

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What's inside

Syllabus

Troubleshooting Concepts
In this module, you’ll be introduced to the fundamentals of troubleshooting and you’ll learn different strategies and approaches to tackle problems that you might encounter. You’ll learn about the concept of debugging and how debugging is one of the core principles of troubleshooting. You’ll be introduced to some tools that will help you in the debugging process, like tcpdump, ps, top, itrace, and lots more. Next, you’ll explore how to “understand the problem.” This might sound like a no brainer, but it's not as easy as you might think! Next, we’ll dive into the different approaches when troubleshooting reproducing errors versus intermittent errors. Finally, you’ll learn about “binary searching a problem.” We’ll explore the different types of searches, including binary and linear searches. Then, we’ll learn about the concept of bisecting and how it can be used in your troubleshooting approach, and finish up with finding invalid data in a CSV file.
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Slowness
In this module, you’ll learn about what factors can cause a machine or program to act slowly. You’ll dive into ways of addressing slowness by identifying the bottleneck that might be causing the slowness. You’ll learn about tools to identify which resources are being exhausted, including iotop, iftop, and activity monitor in MacOS. Next, you’ll learn how computers use resources, and understand the differences between CPU, RAM, and cache in order to help you find the possible causes for slowness in our machines or scripts.Next up, you’ll learn how to write efficient code, then explore profilers to help you identify where your code is spending most of its time. Next, you’ll dive into data structures and understand which ones are right for you to use. These include lists, tuples, dictionaries, sets, and expensive loops. Then, you’ll dive into complex slowness problems and how utilizing concurrency and adding a caching service can improve the execution of your code. Finally, you’ll understand how using threads can make the execution of your code much quicker.
Crashing Programs
In this module, you’ll get introduced to the age old question, “Why has my program crashed?” You’ll learn how to troubleshoot system crashes and application crashes, what tools can be used to help identify the cause of the crash, and what log files to look at in order to find what might have gone wrong. Next, you’ll dive into investigating why code crashes, and what you can do to prevent that from happening. Then, you’ll explore what happens when an unhandled error occurs and throws an exception. You’ll learn about several debugging techniques, which will help you identify these errors and exceptions. Finally, you’ll explore the concept of handling crashes and incidents at a much larger scale. You’ll delve into a scenario where a large eCommerce site will throw an error 20% of the time. Once that issue has been fixed, you’ll understand the importance of communication and documentation during these incidents, and how writing a post mortem can prevent issues from happening again.
Managing Resources
In this module, you’ll learn how to manage your applications. You’ll dive into some common issues that may cause your application to crash. You’ll also understand what memory leaks are, and how to troubleshoot and prevent them. Up next, you’ll run down managing disk space; you’ll see some scenarios of how this happens and how to identify what process or application is taking up all your disk space. Then, you'll learn what network saturation is, how it can be caused, and some useful tools and techniques to solve a network saturation problem. Next, we’ll shift from managing applications to managing your time. You’ll get tips on how to prioritize tasks, estimate how long a particular task will take before finishing, and communicate expectations when dealing with important tasks. The final lesson delves into how to deal with hard and complex problems by breaking it down into small, digestible chunks while keeping your eyes on a clear goal. You’ll learn that using proactive approaches, like continuous integration, can help you with future issues that might come up. You’ll also explore how to plan for future resource usage by making good use of monitoring.

Good to know

Know what's good
, what to watch for
, and possible dealbreakers
Delves into "binary searching a problem", which is a crucial skill for solving complex problems efficiently
Explores various tools and techniques for identifying and resolving slowness issues, such as iotop, iftop, and activity monitor
Provides practical strategies for managing resources, preventing memory leaks, and optimizing disk space and network usage
Focuses on troubleshooting system crashes and application crashes, which are common challenges in IT environments
Emphasizes the importance of communication and documentation during incident handling, promoting effective problem resolution
Suitable for individuals with a basic understanding of Python and Linux, as it builds upon these prerequisites

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Reviews summary

Investigative troubleshooting

Learners say this course teaches them how to identify root causes of problems using debugging and troubleshooting techniques. The course provides a step-by-step process for solving real-world problems and introduces a variety of practical tools and practices. It covers topics such as performance monitoring, error handling, and time management. Reviewers particularly appreciate the clear explanations, engaging assignments, and the instructor's expertise in the field.
Focus on real-world scenarios and industry best practices, ensuring relevance to practical work environments.
"The course modules where chunk to small videos which helped me digest the lessons easier."
"The instructor explains her craft from the heart, not just by reading it."
Emphasis on effective time management and prioritization techniques for efficient problem-solving.
"This course has opened my eyes about how can I figure something out, where do I have to start investigating something that isn't right, and even how to solve that problem with long-term remediation."
"Really helpful in my current job but equally applicable in any work I have to do."
Introduction to a wide range of practical tools and techniques for debugging, troubleshooting, and performance optimization.
"All tools were introduced during this course, were very practical while troubleshooting and debugging."
"I was very happy that the content has of this course used the valuable and real experiences of the Google team in solving real problems. "
Instructor with extensive industry experience and a clear passion for teaching, providing valuable insights and practical guidance.
"This course covers almost all if not major problem that we may face in real world and how to solve them & prevent them from happening again."
"I would recommend this course to everyone who is interested in software development field."
In-depth understanding of the systematic process for identifying and resolving technical issues using a range of methods and tools.
"The step-by-step process of solving a problem in a real environment by a possible problem which may be occurred in a real world, was interesting."
"I was very happy that the content has of this course used the valuable and real experiences of the Google team in solving real problems. "

Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Troubleshooting and Debugging Techniques with these activities:
Review the basics of Python and Linux
This will help you refresh your knowledge of the basics of Python and Linux, which are essential for troubleshooting
Browse courses on Python
Show steps
  • Review your notes from previous courses or online resources
  • Take practice quizzes or exercises to test your understanding
Follow a tutorial on using a specific troubleshooting tool
This will help you learn how to use a specific tool to troubleshoot problems
Browse courses on Troubleshooting
Show steps
  • Find a tutorial on using a specific troubleshooting tool, such as tcpdump or strace
  • Follow the tutorial and learn how to use the tool
Create a collection of troubleshooting resources
This will help you keep all of your troubleshooting resources organized in one place
Browse courses on Troubleshooting
Show steps
  • Create a document or spreadsheet to store your troubleshooting resources
  • Add links to useful websites, articles, and tools
Four other activities
Expand to see all activities and additional details
Show all seven activities
Discuss troubleshooting techniques with a peer
This will help you learn from others' experiences and perspectives on troubleshooting
Browse courses on Troubleshooting
Show steps
  • Find a peer who is also taking this course
  • Meet with your peer regularly to discuss troubleshooting techniques and share tips
Practice debugging Python code
This will help you improve your ability to find and fix errors in your code
Browse courses on Debugging
Show steps
  • Write a simple Python program with several bugs
  • Use a debugger to step through the program and find the bugs
  • Fix the bugs and test your program to make sure it works correctly
Build a small troubleshooting script
This will help you apply the concepts you learn in the module to a practical scenario
Browse courses on Troubleshooting
Show steps
  • Identify a simple problem that you can troubleshoot, such as checking if a file exists or if a process is running
  • Write a script that uses the concepts you learned in the module to troubleshoot the problem
Contribute to an open-source troubleshooting project
This will give you hands-on experience troubleshooting real-world problems and contributing to the open-source community
Browse courses on Troubleshooting
Show steps
  • Find an open-source troubleshooting project that you are interested in contributing to
  • Read the project documentation and familiarize yourself with the code
  • Find a bug or issue that you can help to fix
  • Submit a pull request with your fix

Career center

Learners who complete Troubleshooting and Debugging Techniques will develop knowledge and skills that may be useful to these careers:
Software Architect
Software Architects design and develop software systems. They work in a variety of industries, including technology, finance, and healthcare. This course can be useful for those interested in a career as a Software Architect because it provides a foundation in troubleshooting and debugging techniques. These skills are essential for Software Architects who need to be able to identify and fix problems with software systems.
Computer Programmer
Computer Programmers write and maintain computer programs. They work in a variety of industries, including technology, finance, and healthcare. This course can be useful for those interested in a career as a Computer Programmer because it provides a foundation in troubleshooting and debugging techniques. These skills are essential for Computer Programmers who need to be able to identify and fix problems with computer programs.
IT Specialist
IT Specialists provide technical support to users and maintain computer systems and networks. They work in a variety of industries, including technology, education, and healthcare. This course can be useful for those interested in a career as an IT Specialist because it provides a foundation in troubleshooting and debugging techniques. These skills are essential for IT Specialists who need to be able to identify and fix problems with computer systems and networks.
Data Scientist
Data Scientists collect, analyze, and interpret data to extract meaningful insights. They work in a variety of industries, including technology, finance, and healthcare. This course can be useful for those interested in a career as a Data Scientist because it provides a foundation in troubleshooting and debugging techniques. These skills are essential for Data Scientists who need to be able to identify and fix problems with data analysis.
Software Engineer
Software Engineers analyze user needs to design, develop, and implement software products and systems. They work in a variety of industries, including technology, finance, healthcare, and manufacturing. This course can be useful for those interested in a career as a Software Engineer because it provides a foundation in troubleshooting and debugging techniques. These skills are essential for Software Engineers who need to be able to identify and fix problems in their code.
Database Administrator
Database Administrators manage and maintain databases. They work in a variety of industries, including technology, finance, and healthcare. This course can be useful for those interested in a career as a Database Administrator because it provides a foundation in troubleshooting and debugging techniques. These skills are essential for Database Administrators who need to be able to identify and fix problems with databases.
Web Developer
Web Developers design and develop websites. They work in a variety of industries, including technology, marketing, and education. This course can be useful for those interested in a career as a Web Developer because it provides a foundation in troubleshooting and debugging techniques. These skills are essential for Web Developers who need to be able to identify and fix problems with websites.
Machine Learning Engineer
Machine Learning Engineers design, develop, and implement machine learning models. They work in a variety of industries, including technology, finance, and healthcare. This course can be useful for those interested in a career as a Machine Learning Engineer because it provides a foundation in troubleshooting and debugging techniques. These skills are essential for Machine Learning Engineers who need to be able to identify and fix problems with machine learning models.
Technical Writer
Technical Writers create and maintain technical documentation. They work in a variety of industries, including technology, manufacturing, and healthcare. This course can be useful for those interested in a career as a Technical Writer because it provides a foundation in troubleshooting and debugging techniques. These skills are essential for Technical Writers who need to be able to identify and fix problems with technical documentation.
Network Engineer
Network Engineers design, implement, and maintain computer networks. They work in a variety of industries, including technology, finance, and healthcare. This course can be useful for those interested in a career as a Network Engineer because it provides a foundation in troubleshooting and debugging techniques. These skills are essential for Network Engineers who need to be able to identify and fix problems with computer networks.
Systems Administrator
Systems Administrators manage and maintain computer systems and networks. They work in a variety of industries, including technology, finance, and healthcare. This course can be useful for those interested in a career as a Systems Administrator because it provides a foundation in troubleshooting and debugging techniques. These skills are essential for Systems Administrators who need to be able to identify and fix problems with computer systems and networks.
Security Analyst
Security Analysts protect computer systems and networks from security threats. They work in a variety of industries, including technology, finance, and healthcare. This course can be useful for those interested in a career as a Security Analyst because it provides a foundation in troubleshooting and debugging techniques. These skills are essential for Security Analysts who need to be able to identify and fix security vulnerabilities.
Product Manager
Product Managers are responsible for the development and launch of new products. They work in a variety of industries, including technology, consumer goods, and healthcare. This course may be useful for those interested in a career as a Product Manager because it provides a foundation in troubleshooting and debugging techniques. These skills can be helpful for Product Managers who need to be able to identify and fix problems with new products.
Business Analyst
Business Analysts analyze business processes and systems to identify areas for improvement. They work in a variety of industries, including technology, finance, and healthcare. This course may be useful for those interested in a career as a Business Analyst because it provides a foundation in troubleshooting and debugging techniques. These skills can be helpful for Business Analysts who need to be able to identify and fix problems with business processes.
Project Manager
Project Managers plan and execute projects. They work in a variety of industries, including technology, construction, and manufacturing. This course may be useful for those interested in a career as a Project Manager because it provides a foundation in troubleshooting and debugging techniques. These skills can be helpful for Project Managers who need to be able to identify and fix problems with projects.

Reading list

We've selected ten books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in Troubleshooting and Debugging Techniques.
Comprehensive guide to software development, covering topics such as design, coding, testing, and maintenance. It includes a chapter on debugging, which provides guidance on finding and fixing bugs.
Provides a set of best practices for writing Java code. It covers topics such as object-oriented design, concurrency, and performance.
Provides a gentle introduction to Java programming. It covers the basics of the language, as well as topics such as object-oriented design and error handling.
Provides a deep dive into the Java programming language. It covers topics such as object-oriented design, generics, and concurrency.
Is the definitive guide to the Java Virtual Machine (JVM). It provides a detailed overview of the JVM architecture and how it executes Java code.
Provides a practical guide to debugging with GDB, DDD, and Eclipse. It covers topics such as setting breakpoints, examining variables, and debugging multithreaded programs.
Comprehensive guide to debugging. It covers topics such as error handling, logging, profiling, and unit testing. It also provides guidance on debugging specific types of problems, such as memory leaks and race conditions.
Provides a guide to debugging with Visual Studio. It covers topics such as setting breakpoints, examining variables, and debugging multithreaded programs.

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