books/free-programming-books-subjects.md

@@ -739,7 +739,6 @@ Books that cover a specific programming language can be found in the [BY PROGRAM
 * [Flexible Operating System Internals: The Design and Implementation of the Anykernel and Rump Kernels](https://aaltodoc.aalto.fi/handle/123456789/6318) - Antti Kantee (PDF)
 * [How to Make a Computer Operating System](https://github.com/SamyPesse/How-to-Make-a-Computer-Operating-System) - Samy Pesse  *(:construction: in process)*
 * [How to write a simple operating system in assembly language](https://mikeos.sourceforge.net/write-your-own-os.html) - Mike Saunders (HTML)
-* [Linux Kernel in a Nutshell](http://www.linuxtopia.org/online_books/linux_kernel/kernel_configuration) - Greg Kroah-Hartman (HTML)
 * [Making Servers Work: A Practical Guide to Linux System Administration](https://www.digitalocean.com/community/books/sysadmin-ebook-making-servers-work) - Jamon Camisso (PDF, EPUB)
 * [Operating Systems and Middleware](https://gustavus.edu/mcs/max/os-book/) - Max Hailperin (PDF, LaTeX)
 * [Operating Systems: From 0 to 1](https://github.com/tuhdo/os01/releases/tag/0.0.1) - Tu, Ho Doang (PDF) (:construction: *in process*)
@@ -889,7 +888,7 @@ Kerridge (PDF) (email address *requested*, not required)
 
 * [A Primer on Design Patterns](https://leanpub.com/aprimerondesignpatterns/read) - Rahul Batra (HTML)
 * [Agile Planning: From Ideas to Story Cards](https://launchschool.com/books/agile_planning) - Launch School
-* [Architectural Metapatterns: The Pattern Language of Software Architecture](https://github.com/denyspoltorak/publications/tree/main/ArchitecturalMetapatterns) - Denys Poltorak, `edt.:` Lars Noodén (PDF, EPUB, ODT) (CC BY)
+* [Architectural Metapatterns: The Pattern Language of Software Architecture](https://github.com/denyspoltorak/publications/tree/main/ArchitecturalMetapatterns) - Denys Poltorak (PDF, EPUB, DOCX) (CC BY)
 * [Architectural Styles and the Design of Network-based Software Architectures](https://www.ics.uci.edu/~fielding/pubs/dissertation/top.htm) - Roy Thomas Fielding
 * [Best Kept Secrets of Peer Code Review](https://smartbear.com/lp/ebook/collaborator/secrets-of-peer-code-review/)
 * [Building Secure & Reliable Systems](https://static.googleusercontent.com/media/landing.google.com/en//sre/static/pdf/Building_Secure_and_Reliable_Systems.pdf) - Heather Adkins, Betsy Beyer, Paul Blankinship, Piotr Lewandowski, Ana Oprea, Adam Stubblefield (PDF)
@@ -916,7 +915,6 @@ Kerridge (PDF) (email address *requested*, not required)
 * [Reactive Microservices Architecture](https://www.lightbend.com/ebooks/reactive-microservices-architecture-design-principles-for-distributed-systems-oreilly) (email address *requested*)
 * [Reactive Microsystems: The Evolution of Microservices at Scale](https://www.lightbend.com/ebooks/reactive-microsystems-evolution-of-microservices-scalability-oreilly) (email address *requested*)
 * [Refactor Like a Superhero](https://github.com/bespoyasov/refactor-like-a-superhero-online-book/blob/main/manuscript-en/README.md) - Alex Bespoyasov
-* [Safe by design](https://github.com/SanQri/safe-by-design) - Mykola Haliullin
 * [Scrum and XP from the Trenches](https://www.infoq.com/minibooks/scrum-xp-from-the-trenches-2)
 * [Serverless apps: Architecture, patterns, and Azure implementation](https://docs.microsoft.com/en-us/dotnet/standard/serverless-architecture/)
 * [Serverless Design Patterns and Best Practices](https://www.packtpub.com/free-ebooks/serverless-design-patterns-and-best-practices) - Brian Zambrano (Packt account *required*)

courses/free-courses-hi.md

@@ -84,7 +84,6 @@
 * [Bit Manipulation - Level 2](https://www.youtube.com/playlist?list=PL-Jc9J83PIiFJRioti3ZV7QabwoJK6eKe) - Pepcoding
 * [Complete C++ DSA Course \| Data Structures & Algorithms Playlist](https://www.youtube.com/playlist?list=PLfqMhTWNBTe137I_EPQd34TsgV6IO55pt) - Apna College
 * [Complete C++ Placement DSA Course](https://www.youtube.com/playlist?list=PLDzeHZWIZsTryvtXdMr6rPh4IDexB5NIA) - CodeHelp by Babbar
-* [Complete DAA Design and Analysis of Algorithm in one shot \| Semester Exam | Hindi](https://www.youtube.com/watch?v=z6DY_YSdyww) - KnowledgeGATE by Sanchit Sir
 * [Data Structures and Algorithms Course in Hindi](https://www.youtube.com/playlist?list=PLu0W_9lII9ahIappRPN0MCAgtOu3lQjQi) - CodeWithHarry
 * [Data Structures and Algorithms for GATE — Complete Playlist](https://www.youtube.com/playlist?list=PLC36xJgs4dxFCQVvjMrrjcY3XrcMm2GHy) - Gate CSE lectures by Amit Khurana
 * [Data Structures and Algorithms in Python](https://www.youtube.com/playlist?list=PLyMom0n-MBrpakdIZvnhd6PFUCKNAyKo1) - Jovian
@@ -222,7 +221,6 @@
 * [C++ Tutorial In Hindi](https://www.youtube.com/playlist?list=PLhvdldYcnZMl3Smc6ANF6rO56ORgwb46g) - Coding Wallah Sir
 * [C++ Tutorials In Hindi](https://www.youtube.com/playlist?list=PLu0W_9lII9agpFUAlPFe_VNSlXW5uE0YL) - CodeWithHarry
 * [Chai aur C++](https://www.youtube.com/playlist?list=PLu71SKxNbfoCPfgKZS8UE0MDuwiKvL8zi) - Chai aur Code
-* [Object Oriented Programming in C++](https://www.youtube.com/playlist?list=PLQEaRBV9gAFujcBWJhBT2XXsuMlIfETBy) - Coder Army
 * [The Complete C++ Course \| Hindi](https://www.youtube.com/playlist?list=PLLYz8uHU480j37APNXBdPz7YzAi4XlQUF) - Saurabh Shukla
 
 
@@ -460,7 +458,6 @@
 * [Java Tutorials for Beginners](https://www.youtube.com/playlist?list=PLlhM4lkb2sEhfuXL-2BDrJ67WkUdQ2v9b) - Deepak Panwar, Smart Programming
 * [Java Tutorials For Beginners In Hindi](https://www.youtube.com/playlist?list=PLu0W_9lII9agS67Uits0UnJyrYiXhDS6q) - CodeWithHarry
 * [Microservice Tutorial in Hindi 2023](https://www.youtube.com/playlist?list=PL0zysOflRCelb2Y4WOVckFC6B050BzV0D) - Learn Code With Durgesh
-* [Object Oriented Programming with Java](https://www.youtube.com/playlist?list=PL9gnSGHSqcno1G3XjUbwzXHL8_EttOuKk) - Kunal Kushwaha
 * [Spring Framework Tutorial with SpringBoot  in Hindi Complete Course](https://www.youtube.com/playlist?list=PLiOIhBfKi8AIYNWEjYy1zZFe1N8GvPRHR) - CoderX Ankit