Patrick Ester

This course is designed for novice learners wanting to understand the basics of security infrastructure management. To allow for a self-paced learning experience, this course is video-free. Assignments contain short explanations with images. You'll benefit from instant feedback from a variety of assessment items along the way, gently progressing [...]

This course is designed for novice learners wanting to understand the basics of how security, orchestration, automation, and response (SOAR) are used for enterprise security. Learners will gain insight on how institutions monitor and respond to security threats.

This course is designed for novice learners wanting to understand the basics of ISO and IEC security standards. Learners will gain understanding how security standards address the challenges facing organizations, how standards provide a comprehensive approach to providing security (including personal information), and how standards help with managing [...]

This course is designed for those who want to get the most out of the applications you write. Learn about the different tools and strategies for diagnosing areas of concern regarding application performance. All assignments are hands-on, and there is nothing to install on your own computer. All work [...]

Code and run software tests websites without installing anything! This course is designed for learners who have some experience with JavaScript but a novice to software testing. The modules in this course covers the fundamentals of testing with Jest; popular testing paradigms like test-driven development, behavior-driven development, user accepting [...]

Learn the inner workings of operating systems without installing anything! This course is designed for learners who are looking to maximize performance by understanding how operating systems work at a fundamental level. The modules in this course cover input and output, directories, file systems, data integrity and protection, and [...]

Learn the inner workings of operating systems without installing anything! This course is designed for learners who are looking to maximize performance by understanding how operating systems work at a fundamental level. The modules in this course cover concurrency, threads, locks, locking data structures and multi-CPU [...]

Learn the inner workings of operating systems without installing anything! This course is designed for learners who are looking to maximize performance by understanding how operating systems work at a fundamental level. The modules in this course cover segmentation, paging, swapping, and virtual [...]

Learn the inner workings of operating systems without installing anything! This course is designed for learners who are looking to maximize performance by understanding how operating systems work at a fundamental level. The modules in this course cover the basics of the C language, processes, scheduling, and [...]

Code and run Django websites without installing anything! This course is designed for learners who are familiar with Python and basic Django skills (similar to those covered in the Django for Everybody specialization). The modules in this course cover a review of core Django concepts, advanced projects setups, class-based [...]