added redhat courses (#8844)

* added redhat courses

* updated

* Update courses/free-courses-en.md

Co-authored-by: Sharan J <50091666+shrn01@users.noreply.github.com>

* Update courses/free-courses-en.md

Co-authored-by: Sharan J <50091666+shrn01@users.noreply.github.com>

* Update courses/free-courses-en.md

Co-authored-by: Sharan J <50091666+shrn01@users.noreply.github.com>

* Update courses/free-courses-en.md

* sort

* Update courses/free-courses-en.md

* Update courses/free-courses-en.md

* Update courses/free-courses-en.md

Co-authored-by: Eric Hellman <eric@hellman.net>
Co-authored-by: Sharan J <50091666+shrn01@users.noreply.github.com>

courses/free-courses-en.md

@@ -750,6 +750,7 @@
 * [Building Microservices With Spring Boot – Free Course With Practical Project](https://javatodev.com/building-microservices-with-spring-boot-free-course-with-practical-project/) Chinthaka Dinadasa (javatodev)
 * [Central Connecticut State University, Introduction to CS Using Java](http://chortle.ccsu.edu/CS151/cs151java.html)
 * [CS106A - Programming Methodology](https://see.stanford.edu/Course/CS106A) (Stanford)
+* [Fundamentals of Java EE Development](https://www.edx.org/course/fundamentals-of-java-ee-development) -  Will Dinyes (edX)
 * [Introduction to Java](http://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-092-introduction-to-programming-in-java-january-iap-2010/)
 * [Introduction to Java + DSA](https://youtube.com/playlist?list=PL9gnSGHSqcnr_DxHsP7AW9ftq0AtAyYqJ) - Kunal Kushwaha
 * [Java Beginner](https://youtube.com/playlist?list=PLkeaG1zpPTHiMjczpmZ6ALd46VjjiQJ_8) - Coding with John
@@ -981,6 +982,7 @@
 
 ### Kubernetes
 
+* [Fundamentals of Containers, Kubernetes, and Red Hat OpenShift](https://www.edx.org/course/fundamentals-of-containers-kubernetes-and-red-hat) - Zach Gutterman, Richard Allred (edX)
 * [Kubernetes Core Concepts](https://kube.academy/paths/kubernetes-core-concepts) - KubeAcademy (VMware)
 * [Kubernetes Course](https://www.youtube.com/watch?v=d6WC5n9G_sM) - Bogdan Stashchuk (FreeCoodeCamp)
 * [Kubernetes Full Course in 7 Hours](https://www.youtube.com/watch?v=0j-iIW3_sbg) - Edureka
@@ -989,6 +991,7 @@
 
 ### Linux
 
+* [Fundamentals of Red Hat Enterprise Linux](https://www.edx.org/course/fundamentals-of-red-hat-enterprise-linux) - Chris Caillouet (edX)
 * [IIEC RISE 1.0 RHCSA8 and Python3](https://www.youtube.com/playlist?list=PLAi9X1uG6jZ2b1mUmrUcc_aEoc8tfss8e) - Vimal Daga 
 * [Introduction To Linux](https://www.edx.org/course/introduction-to-linux/) - The Linux Foundation (edx)
 * [Linux Administration Tutorial Videos](https://www.youtube.com/playlist?list=PL9ooVrP1hQOH3SvcgkC4Qv2cyCebvs0Ik) - edureka!