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Day 26/40 - Kubernetes Network Policies Explained 

Tech Tutorials with Piyush
ะŸะพะดะฟะธัะฐั‚ัŒัั 40 ั‚ั‹ั.
ะŸั€ะพัะผะพั‚ั€ะพะฒ 2,8 ั‚ั‹ั.
50% 1

Kubernetes Network Policies Explained
Welcome to day 26/40 of the certified Kubernetes administrator 2024 (CKA) series. This video will explore Kubernetes network policies from scratch, including setting up network add-ons like Calico.
In this video, you'll learn:
What is a Kubernetes network policy
Why do we use a network policy in Kubernetes
Create a cluster that supports network policy
Install a network add-on such as Calico
Create a network policy to restrict access to the pods
๐Ÿš€ Reinforce your knowledge with practical tasks in the Day 26 folder of our GitHub repository: github.com/piy...
๐Ÿ‘จ๐Ÿผโ€๐Ÿ’ป #40daysofKubernetes Challenge:
Join our 40-day challenge and solidify your Kubernetes skills. Details can be found in the "#40daysofkubernetes.md" file on GitHub or by watching our Day 0 video.
๐Ÿ“– Course Schedule:
I'll release 3-4 videos per week and host live Q&A sessions on weekends to answer your questions and guide you through the CKA certification process.
๐Ÿ•ต๐Ÿปโ€โ™‚๏ธ Who Should Watch:
This CKA course is designed for beginners, college students, and working professionals who want to learn Kubernetes from scratch, prepare for the CKA certification exam, or enhance their knowledge. It was designed based on the latest curriculum for the CKA exam in May 2024 and uses 1.30.2 as the Kubernetes version.
Let's start your Kubernetes journey together!
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References ๐Ÿ“š:
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ะžะฟัƒะฑะปะธะบะพะฒะฐะฝะพ:

 

21 ะพะบั‚ 2024

ะŸะพะดะตะปะธั‚ัŒัั:

ะกัั‹ะปะบะฐ:

ะกะบะฐั‡ะฐั‚ัŒ:

ะ“ะพั‚ะพะฒะธะผ ััั‹ะปะบัƒ...

ะ”ะพะฑะฐะฒะธั‚ัŒ ะฒ:

ะœะพะน ะฟะปะตะนะปะธัั‚
ะŸะพัะผะพั‚ั€ะตั‚ัŒ ะฟะพะทะถะต
ะšะพะผะผะตะฝั‚ะฐั€ะธะธ : 36   
@chinwahdavidlam3506
@chinwahdavidlam3506 24 ะดะฝั ะฝะฐะทะฐะด
thank you for your support. I feel great on my cka journey!!
@TechTutorialswithPiyush
@TechTutorialswithPiyush 24 ะดะฝั ะฝะฐะทะฐะด
You're so welcome! and keep it up with the learning journey!
@VijayPolsani
@VijayPolsani 2 ะผะตััั†ะฐ ะฝะฐะทะฐะด
Kudos to you for all the work you put to bring CKA to life
@TechTutorialswithPiyush
@TechTutorialswithPiyush 2 ะผะตััั†ะฐ ะฝะฐะทะฐะด
Thank you!
@artbart9080
@artbart9080 2 ะผะตััั†ะฐ ะฝะฐะทะฐะด
As usual, useful info with live troubleshooting!
@TechTutorialswithPiyush
@TechTutorialswithPiyush 2 ะผะตััั†ะฐ ะฝะฐะทะฐะด
Thank you
@guntreddirajesh
@guntreddirajesh 2 ะผะตััั†ะฐ ะฝะฐะทะฐะด
best video to understand network policies in kuberenetes
@TechTutorialswithPiyush
@TechTutorialswithPiyush 2 ะผะตััั†ะฐ ะฝะฐะทะฐะด
Thank you!
@GrigTech
@GrigTech 19 ะดะฝะตะน ะฝะฐะทะฐะด
my 9th day here, hopefully soon will finish and re watch again. Great Series Piyush.
@TechTutorialswithPiyush
@TechTutorialswithPiyush 18 ะดะฝะตะน ะฝะฐะทะฐะด
If you do the hands-on parallely, you don't need to rewatch
@kaarthickpk
@kaarthickpk 2 ะผะตััั†ะฐ ะฝะฐะทะฐะด
Simply Awsome !!!!! ๐Ÿคฉ
@TechTutorialswithPiyush
@TechTutorialswithPiyush 2 ะผะตััั†ะฐ ะฝะฐะทะฐะด
Thanks a lot ๐Ÿ˜Š
@oshabzsam9773
@oshabzsam9773 2 ะผะตััั†ะฐ ะฝะฐะทะฐะด
Thank you for all you do. I really appreciate that you are doing all these for free
@TechTutorialswithPiyush
@TechTutorialswithPiyush 2 ะผะตััั†ะฐ ะฝะฐะทะฐะด
Glad you like them!
@GopiVivekManne
@GopiVivekManne 2 ะผะตััั†ะฐ ะฝะฐะทะฐะด
Hands down!! This is one of the best practical explanation on k8s Network policies.๐Ÿ‘๐Ÿ’ฏ
@TechTutorialswithPiyush
@TechTutorialswithPiyush 2 ะผะตััั†ะฐ ะฝะฐะทะฐะด
This means a lot , thank you ๐Ÿ˜Š
@floehden
@floehden 2 ะผะตััั†ะฐ ะฝะฐะทะฐะด
Thank you for explaining network policies!
@TechTutorialswithPiyush
@TechTutorialswithPiyush 2 ะผะตััั†ะฐ ะฝะฐะทะฐะด
welcome
@harishnetula6446
@harishnetula6446 ะœะตััั† ะฝะฐะทะฐะด
thankyou so much brotherr
@TechTutorialswithPiyush
@TechTutorialswithPiyush ะœะตััั† ะฝะฐะทะฐะด
you're most welcome
@dips_07
@dips_07 ะœะตััั† ะฝะฐะทะฐะด
Grate explanation...thanks ๐Ÿ‘๐Ÿ‘
@TechTutorialswithPiyush
@TechTutorialswithPiyush 28 ะดะฝะตะน ะฝะฐะทะฐะด
You're welcome
@AbdulMateen-bm3kv
@AbdulMateen-bm3kv 2 ะผะตััั†ะฐ ะฝะฐะทะฐะด
Awesome!
@password301992
@password301992 2 ะผะตััั†ะฐ ะฝะฐะทะฐะด
As Awesome as before, the simplicity is at best and real time challenges makes it worthy, and top of it your discord channel is very helpful as a lot of members are contributing and helping others.
@TechTutorialswithPiyush
@TechTutorialswithPiyush 2 ะผะตััั†ะฐ ะฝะฐะทะฐะด
Thank you so much, it feels great to know that
@SandyLearner
@SandyLearner 2 ะผะตััั†ะฐ ะฝะฐะทะฐะด
Hello !! Thanks for such a meticulously planned CKA K8s Course. Not for Exam , but really what and why matter learning K8s in today's Platform Engg Evolving Roles. A earnest request in ur series , Pls include CNI Networking (like a Cilium , Calico etc ) in future episodes for Complex MicroService Mgmt . ๐Ÿ˜Š๐Ÿ˜Š
@TechTutorialswithPiyush
@TechTutorialswithPiyush 2 ะผะตััั†ะฐ ะฝะฐะทะฐะด
Yes, definitely a lot more had been recorded already and a lot more planned for the future!
@abuzar_khan_1
@abuzar_khan_1 2 ะผะตััั†ะฐ ะฝะฐะทะฐะด
quality top notch
@TechTutorialswithPiyush
@TechTutorialswithPiyush 2 ะผะตััั†ะฐ ะฝะฐะทะฐะด
Thank you ๐Ÿ˜Š๐Ÿ™
@SandyLearner
@SandyLearner 2 ะผะตััั†ะฐ ะฝะฐะทะฐะด
Hello !! Also had some queries. Evolving Tools in K8s like Istio, Rancher ,Kustomize and etc.. Apart from CKA and CKAD knowledge, any other knowledge in other tools and Docker Adv required??
@TechTutorialswithPiyush
@TechTutorialswithPiyush 2 ะผะตััั†ะฐ ะฝะฐะทะฐะด
If you understand the fundamentals of Kubernetes in depth and these tools are piece of cake. It can be easily learned. Make sure to learn atleast one tool for each usecase such as k8s package manager --> Helm, ArgoCD for Gitops, image scanning tool, policy as a code, security, vulnerability scanning, kustomize , istio etc
@divyamsharma5198
@divyamsharma5198 ะœะตััั† ะฝะฐะทะฐะด
Question: You are referencing the Tiers as worker nodes but stating the network policies in terms of pods, I guess pods would be running the worker nodes. Do you mean that pods running on different nodes can also connect with each other by default?
@TechTutorialswithPiyush
@TechTutorialswithPiyush ะœะตััั† ะฝะฐะทะฐะด
Yes, Pods are connected by each other as they are part of the cluster network even if they are on different nodes
@vaibhav7089
@vaibhav7089 28 ะดะฝะตะน ะฝะฐะทะฐะด
Sir facing issue in downloading the cluster it throws '''โœ— Joining worker nodes ๐Ÿšœ Deleted nodes: ["kind-cka-cluster1-control-plane" "kind-cka-cluster1-worker" "kind-cka-cluster1-worker2"] ERROR: failed to create cluster: failed to join node with kubeadm: command "docker exec --privileged kind-cka-cluster1-worker2 kubeadm join --config /kind/kubeadm.conf --skip-phases=preflight --v=6" failed with error: exit status 1 ''' ruined this lecture stuck there for 2 hours ๐Ÿฅฒ
@TechTutorialswithPiyush
@TechTutorialswithPiyush 28 ะดะฝะตะน ะฝะฐะทะฐะด
Do you have any existing cluster on my machine that is probably occupying the space? can you delete those and try this again?
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