Common Kubernetes Real Time Challenges

Common Kubernetes Real Time Challenges | 3 Production Scenarios

Рет қаралды 21,709

Күн бұрын

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In this video we will learn 3 most common real time production level challenges that DevOps Engineers face in their organisations.
You can use these examples as reference to learn how to answer the Kubernetes real time challenges in your next interview.
Here are some more very useful Zero to Hero playlists on the channel.
- Free DevOps Playlist: • DEVOPS ZERO TO HERO CO...
- AWS Zero to Hero Playlist: • AWS Zero to Hero - AWS...
- Terraform Zero to Hero Playlist: • Terraform Zero to Hero
- Python for DevOps Playlist: • Python for DevOps
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Пікірлер: 190

@pavankumardasari6606 Ай бұрын

Hi anna, One thing made interviewer impressed by my answer is Heap dumps and thread dump after answering this he was like got it man done from my side. HR will call you. Bro i am your follower/subscriber when you have 10k subscribers i was from development background. I believed in you, you come here to achieve something. Plz plz never stop making videos man. 😊

@AbhishekVeeramalla Ай бұрын

Amazing Pavan 🥳 Sure ✔️

@charantechie Ай бұрын

🎉😊

@saiharshakothamasu7254 Ай бұрын

Let's take an oath that we will not click the "SKIP AD" button in Abhi Anna's channel!!!! 🤗🤗

@user-qq4or2pg6x Ай бұрын

You are the god of DevOps and I became your devotee, huge respect to you.

@AbhishekVeeramalla Ай бұрын

Thanks alot

@Cloudnp9458 Ай бұрын

Realtime scenerio 3, cluster upgrade. Eks or kubeadm 1.27 to 1.28. Our cluster is kubeadm or eks We have prepared manual with detailed steps. Steps like _ how to take backup , go through release notes(whenever there is new version, it's important to read release notes, any feature is depricated might affect our cluster etc.) I have divided steps for controlplane(etcd,api,scheduler) and worker node components. First you cordon(make unscheduleable) and then drain the nodes. Disconnect node, upgrade the kubelet of node and join it back to Kubernetes cluster by uncordon it. Do this one node at a time. This will populate back pods on that node.

@AbhishekVeeramalla Ай бұрын

❤️

@cheedellagupta1459 Ай бұрын

Huge respects 🎉 Work time + family time + upgrade time -still you are making videos ?. Indirectly you became my family member bro . ❤ from USA…

@AbhishekVeeramalla Ай бұрын

Thanks alot bro

@tjhsiao06 26 күн бұрын

Outstanding Session. I was asked *exact* questions by the interviewer for the K8S Administration Role😂

@AbhishekVeeramalla 26 күн бұрын

❤️

@aratrikroy380 Ай бұрын

Thanks Abhishek for this wonderful video, learned something new today.Looking forward for the detailed Kubernetes Upgrade Video. Your channel is indeed a gem wrt to learning devops.

@AbhishekVeeramalla Ай бұрын

👍

@ibmuser13 Ай бұрын

Thanks Abhishek, May God bless you for sharing your knowledge unconditionally

@AbhishekVeeramalla Ай бұрын

It's my pleasure

@amrhassan8137 Ай бұрын

Even though I had no idea about what Kubernetes is, the way you explain things is amazing and makes me understand complex concepts easily. Thanks Abhishek.

@AbhishekVeeramalla Ай бұрын

🥳

@soumyadipchatterjee2267 Ай бұрын

Nothing to say more . Just respect , love and gratitude to your dedication to level up our skills and knowledges Abhishek bhai .😊❤🙏

@AbhishekVeeramalla Ай бұрын

Thanks a ton

@YogeshSharma-cs2pq Ай бұрын

Abhi, thank you for the video.............Huge respects 🙌🙌

@AbhishekVeeramalla Ай бұрын

My pleasure 😊

@pratappadhy2005 Ай бұрын

A big shout out for you Bro...Hats off and you are a genius.

@AbhishekVeeramalla Ай бұрын

❤️

@jasleenkaur-hp5cf Ай бұрын

Thanks for another video Abhishek.. God bless you 🙏

@AbhishekVeeramalla Ай бұрын

My pleasure 😊

@geoiscomediology1369 Ай бұрын

I respect you, indeed you are a good teacher with a great passion for dishing information in a well understandable manner

@AbhishekVeeramalla Ай бұрын

Thanks a lot

@encanto6783 Ай бұрын

Wonderful!! I really enjoyed the way you explained in veryy simple terms❤. Thank you for doing these real time scenario videos🙌

@AbhishekVeeramalla Ай бұрын

You are so welcome!

@nash12394 Ай бұрын

This is what I was waiting for.

@AbhishekVeeramalla Ай бұрын

❤️

@priyalverma9735 26 күн бұрын

@AbhishekVeeramalla you have created an amazing playlist and these videos are really helpful, always looking forward to your new content.

@user-zz1mc3du5b Ай бұрын

awesome video bro !! much needed video to explain to the interviews plus it will make our life easier when we see similar issue in the working environment. Waiting for the video on upgrades the commonly asked question in ay interviews.😀

@AbhishekVeeramalla Ай бұрын

Glad it was helpful!

@handsomevillian 15 күн бұрын

Thank You sir , you just helped us more than we expected to resolved the upcoming issue in our cluster.

@AbhishekVeeramalla 15 күн бұрын

❤️

@karthicholan4689 Ай бұрын

I have faced the same questions in an recent interview . Thanks Abhishek for the clear lecture on Performance Benchmarking ,Blast Radius , Resource quotas. Please put videos on how to achieve High Availability/ Disaster Recovery setup/Cluster Upgrade on both Self Managed K8S and Cloud K8S on Production grade applications.

@tariqrais2523 Ай бұрын

Great Stuff Abhishek.

@AbhishekVeeramalla Ай бұрын

❤️

@kirannkumar9116 Ай бұрын

Thank you abhishek, that was awesome explanation.

@AbhishekVeeramalla Ай бұрын

Most welcome!

@jackayuk424 Ай бұрын

More grace non stop 🛑 u the best in the industry brands down

@buddasrikanth8516 Ай бұрын

Anna prathiroju me videos kosam chustam .....ne explaination super ga untadhiii...😘😘

@dhasarathyraghavan1255 Ай бұрын

Thanks for explaining these scenarios abhi. Will make these notes and crack interviews

@AbhishekVeeramalla Ай бұрын

Always welcome

@pallerajani3281 Ай бұрын

You are the Rockstar bro

@AbhishekVeeramalla Ай бұрын

Welcome 🙏

@manojgowda1109 Ай бұрын

You are amazing, I have interview tomorrow and now I am more clear about explaining. Thank you much🙌 worth watching for 30mins

@AbhishekVeeramalla Ай бұрын

Glad it was helpful!

@vamshikrishna7945 Ай бұрын

@@AbhishekVeeramalla ahishek please share carrer guidence support slot .mitho matladali

@Krish32154 Ай бұрын

kzfaq.info Can you please share the how was your interview? and what were the questions asked.

@traptithakur7399 Ай бұрын

Truly gen 💎

@prashanthsb-cm2ir Ай бұрын

Super......................

@Cloudnp9458 Ай бұрын

Awesome video bhaiya ❤.

@AbhishekVeeramalla Ай бұрын

Thanks

@oluwadamilolayewande Ай бұрын

Thank you genius for your time

@AbhishekVeeramalla Ай бұрын

You are very welcome

@tanvir7999 Ай бұрын

Thanks a lot for Superb informative K8S Troubleshooting series... Awaiting for EKS upgrade video bro 🙂

@AbhishekVeeramalla Ай бұрын

Coming soon!

@ashishpandey8766 Ай бұрын

Thanks Abhi

@AbhishekVeeramalla Ай бұрын

❤️

@akshatsinghsolanki1630 Ай бұрын

Very knowledgeable, 3 scenarios for a person who have 0 hands on kubernetes cluster management at least he can plan on what to generate for such scenarios and then how to perform in a order.

@AbhishekVeeramalla Ай бұрын

👍👍👍

@pallerajani3281 Ай бұрын

Really Very helpful video bro...

@AbhishekVeeramalla Ай бұрын

Glad to hear that

@jagadeeshponnaganti9421 Ай бұрын

Thank you so much abhishek 🍫, please continue this series and do video on upgrading to new version and same revert back to previous version.

@AbhishekVeeramalla Ай бұрын

Sure

@kantubuktadinesh39 26 күн бұрын

I got notification from youtube bro , coz I subscribed your channel ,thanks for the video

@AbhishekVeeramalla 26 күн бұрын

Thanks and welcome

@davidmugoma2567 Ай бұрын

I love it then Abhishek, I urge you to deploy a huge series of database applications using all the concepts taught like ansible, Jenkins, kubernetes in production using aws eks and map it to a certain custom domain step by step please. It gonna be helpful. I really appreciate your work❤

@AbhishekVeeramalla Ай бұрын

🙏

@Mr.Troubleshooter-fq1op Ай бұрын

Great explanation Abhishek bhai, this one was much needed for the interview purpose. if you are making upgrade video then my vote will be to upgrade EKS.

@AbhishekVeeramalla Ай бұрын

❤️

@mainbhidramebaz8289 Ай бұрын

Very nice bro. Your English is so sweet that It looks like we are learning in our native language.

@AbhishekVeeramalla Ай бұрын

Thats the idea

@chandrashekartungaturthi8597 Ай бұрын

very nice session, god bless you

@LetsTry_001 Ай бұрын

AWESOMEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

@ashokk3399 Ай бұрын

this is one the best video

@AbhishekVeeramalla Ай бұрын

Thanks :)

@ravindraravi7435 24 күн бұрын

Thank you ^^

@venkatk8314 Ай бұрын

Abhishek, i would like to add one more step for upgrading cluster, once cluster is upgraded there might be changes for manifests apiVersions would have changed as part of latest k8s release. So we need to make sure if any of our helm charts are referring to old manifest apiVersion we need to update those as well, otherwise tooling/applications might start failing saying apiVersion mismatch or not found

@AbhishekVeeramalla Ай бұрын

Good 👍

@SPavanRaj Ай бұрын

Abhishek eagerly waiting for the K8S Upgradation vedio! :)

@AbhishekVeeramalla Ай бұрын

Thanks

@arvindkumar-zo9hw Ай бұрын

Hi sir, Please also make video on topic - day to day responsibilities in detail to explain in interview as devops engineer with 4+years experience. It will help a lot. Thank you.

@sumankasu162 Ай бұрын

Thank u sir

@AbhishekVeeramalla Ай бұрын

Welcome

@debashismca Ай бұрын

Nice Abhishek and this OOM question was asked by Persistent company today and i request you to please explain us difference between CSI/CSN in Kubernetes.

@AbhishekVeeramalla Ай бұрын

Thanks

@TheFlash-su3ft Ай бұрын

How was your interview bro ?? I have interview scheduled with persistent and how was the interviewer ??

@debashismca Ай бұрын

@@TheFlash-su3ft It was good but i could not able to answer 1 aws ,2 K8 question(out of 5) bt docker unix shell was good

@TheFlash-su3ft Ай бұрын

@@debashismca Ok, How was the interviewr ??

@debashismca Ай бұрын

@@TheFlash-su3ft Yes he seems good..thing is all depends upon your timing and interviwer's mindset, sometime luck..but be confident while speaking,do whatever you want but interview should be clear

@vinothkumarak8880 Ай бұрын

Thanks for the deep explanation. could you please make a video for azure event hub with best practises.

@rockyvishnu3221 Ай бұрын

Bro, I am also ur fallower, I am also going through ur videos, I saw many of them posting your comments like they got job in devops eventhough they have carrer gap, I almost trying for 8months still I can't get job in devops ,I didn't get a single call from recuiter 🥺, I don't know how others are getting jobs, i am so stressed and depressed nowadays bcoz I am the elder one in my family I need to full fill my responsiblities but I can't I feels like a complete looser, day by day I lost my hope in getting into devops field, I saw many post like we are helping hand to job seeker but that not true I have spoke with peolples and recruiters in linkedin but nthg changed, then only I came to know no one will help us especially in worst phases of lyf, reality hits me hard very harderrr😖

@AbhishekVeeramalla Ай бұрын

Just follow the playlists in order bro DevOps AWS Terraform Python Everyone who post success stories from our channel, just watch every video in those playlists and practice.

@rockyvishnu3221 Ай бұрын

@@AbhishekVeeramalla I am also did that same bro😒

@vishwanathmaralappanavar4918 Ай бұрын

super and clear explanation, please do one video on upgrades. Please. ...👌

@AbhishekVeeramalla Ай бұрын

Thanks

@adityadhopade7727 Ай бұрын

This is insightful Abhishek ! Just one question raised in my mind What will happen in the scenario of the Master Node Upgrades in H.A. What will the Application inside the Cluste Operate if the Main (Leader) Control Plane is down due to Upgrades ?

@solotraveller579 Ай бұрын

Nice video abhishek and thanks for sharing the your experience and knowledge . Still i have small question here. When your POD's going to crashloopback off / OOM killed. what about your monitoring tools ( when CPU or Memory crossed thresh hold levels it should trigger some notification/alarms right) and what about your Auto scaling (Horizontal or vertical pod scaling). how can we answer this..

@sreeshaamjuri4643 Ай бұрын

Hi Abhishek, I am very grateful for your videos, but I have a question when the pod is going in a crash loop backoff how will we be login into a pod to take the Dumps please suggest. Thank you.

@sohamkasar7218 Ай бұрын

U were releasing video @ 9 pm but u released 20 min early U r more excited than us 😅 DevOps guru for a reason ❤❤

@AbhishekVeeramalla Ай бұрын

❤️❤️❤️

@devopslab-livescenarios1302 Ай бұрын

Really thanks Abhishek for all ur efforts. Can i request u to create a demo on How to move pods from one node to another in real world

@AbhishekVeeramalla Ай бұрын

Already covered in node label selector video

@jalandharbehera99 Ай бұрын

Please choose EKs Cluster for upgrading….thank you so much

@JasleenKaur-cy6bf Ай бұрын

Thanks for your video Abhishek. Could you please make a video on windows as well, like what all a devops engineer would need to know in Computer Management, active directory, regedit , services.msc, cpu, memory, processors, discs etc

@AbhishekVeeramalla Ай бұрын

Thanks

@padma_k Ай бұрын

Please make some videos or give some suggestions for who have career gap, how to start their study and interview preparation tips

@padma_k Ай бұрын

Please consider this comment seriously, because lot of people are there they have career gap because of some issues, it'll help them

@AbhishekVeeramalla Ай бұрын

Exactly the same roadmap for everyone. DATE - DevOps, AWS, Terraform and Python zero to hero playlists

@SourabhK-rr8pf Ай бұрын

please use EKS cluster for up gradation videos

@niharikaraj5262 Ай бұрын

Just faced OOM issues on random friday :)

@AbhishekVeeramalla Ай бұрын

✔️

@arnaudfrancktaptuekuate5367 Ай бұрын

Great explanation 👏🏽 can we have the hand on part ? Thank you for your hard work ❤

@AbhishekVeeramalla Ай бұрын

Will try

@varsharaj3596 Ай бұрын

hello sir ..pls explain pv and pvc and statefull set also which was missing in kubernetes playlist

@ambicakommu8541 Ай бұрын

sir can you please explain the difference between trunk based , gitflow , github and gitlab branching stratergies?which is the best branchig stratergy?

@goutham646 Ай бұрын

Hi Abhishek sir good morning iam from non b tech back ground i follow your videos can I step into IT side ON DEVOPS many channels recommended your channel for DEVOPS I have seen your videos it's just superb is it complete course for DEVOPS training sir and upcoming next you will be top trainer sir thanku

@jalandharbehera99 Ай бұрын

Here I have one query that when we drain the node and all the pods are evicted and deployed to another nodes but my question is during draining the node if other nodes has not resources then all the pods are comes to in pending state so to overcome this issues we need to increase the node resources or resource quota of all the namespace…??

@Ss-ve3my Ай бұрын

Hi abhishek i really thanks to you your great efforts,, i request to you kindly make a video on Kubernetes Upgrade the version latest and also explain in your video if we r doing upgrade the 1.29 version to 1.30 if something going failed then how we can rollback our previous version. 😊 Thanks!!!

@AbhishekVeeramalla Ай бұрын

Yes I will

@elumalaiyann 18 күн бұрын

I have one doubt sir,if we set up the node affinity model to the particular node,at the some period of time we have to upgrade the particular node what will happen.inside this pod will move to the another node or not

@kalaivanisubramanian468 Ай бұрын

Do video on upgrading the cluster it will be helpful

@AbhishekVeeramalla Ай бұрын

👍

@user-pg9yy1un1s Ай бұрын

can u make a real time video on updating on kubeadm cluster? and also can u share detailed steps for creating multi master node

@Shubhaware Ай бұрын

Can you please explain when interviewer asked What are the day to day work you are doing as cloud security engineer I have mentioned in resume terraform and checkov tfscan Snyk Aws cloud services AWS security services and CSPM CWPP and CNAAP tool

@AbhishekVeeramalla Ай бұрын

In our zero to hero series, there are a lot of projects, if u r experienced explain them as day to day tasks

@user-gk3xr7kq8u Ай бұрын

Abhishek anna, its very useful & helpful video for me , just i week back i started kubernets from u r channel, its very understandable, what u explained. Can u show it hands on how to fix that issues. its helpful us very clearly. and I need one suggestion from ur side. am from NON-IT and i don't have Realtime experience am understanding the devops tools, how its working. But i am poor at linux -scripting , i can right the Dockerfile easly, and k8s manifest file also. how to i overcome on scripting anna. can u give the suggestion. i saved my money 30 to 40k by seeing ur videos to learn devops free. Thank u anna. bcoz outside there are charging like that. when compare courses details. almost same. I need help from u , i want become as a devops engineer. i got some confident when i saw this solution video. ok i can explained without Realtime experience. 🙂🙂🙂

@AbhishekVeeramalla Ай бұрын

Follow the zero to hero playlists, I covered the complete basics for non-it students

@venkatk8314 Ай бұрын

Thank you for the video. Have a question, if the POD is in OOM Status , is there a way to login to pod to collect thread dump?

@AbhishekVeeramalla Ай бұрын

There are multiple ways to do it, 1. You can identify the pattern of pod going into OOMKilled and before the next OOMKilled you can login to pod and take thread dump 2. Write a cronjob or script to take dump once in a while

@venkatk8314 Ай бұрын

@@AbhishekVeeramalla Thank you, i will try if that works.

@BharathKumarReddy2103 Ай бұрын

❤❤❤

@AbhishekVeeramalla Ай бұрын

❤️❤️

@chandanan5422 Ай бұрын

Hello sir, Sir as I requested a video on aws Database service you said you have noted on that, sir if you do it early so that It will help me during interview as soon as possible sir, since am following your series and it's very easy for me to understand and you make it very simple the contents sir I request you sir please do sir Thank you

@AbhishekVeeramalla Ай бұрын

Sure

@himakar9999 Ай бұрын

❤

@AbhishekVeeramalla Ай бұрын

❤️

@ManjotKaur-qs8jn 29 күн бұрын

Pls do with aks upgrades

@LtgOperator Ай бұрын

abhishek bro, i have one question .. it is actually a task : i am trying to patch my ingress and the routes that reference to them with new SSL cert. i also need to replace the internal root ca and sub ca. the problem is the patched url doesnt show up as secure

@AbhishekVeeramalla Ай бұрын

Because its internal CA

@SunilSingh-uw3wf Ай бұрын

When am i scale up my pod then sometime it is showing cni is not able to assign ip. What could be the reasons?

@AbhishekVeeramalla Ай бұрын

Share the complete error log

@kaizjessani7303 Ай бұрын

Accenture is sponsoring RHCSA and RHCE course and certification. Should I consider doing this?? Is is worth it?? I was about to start your course but they want me to complete these two certifications on priority. Is it really worth doing these? Please reply you're my last hope 😅

@mmathrani Ай бұрын

Do you take any classes for devops or Kubernetes? I know the Videos are awesome but is there any dedicated paid classes?

@AbhishekVeeramalla Ай бұрын

No paid classes

@mmathrani Ай бұрын

@@AbhishekVeeramalla Unpaid classes? :)🤣

@himanshusinghbhadouria773 Ай бұрын

Sir I want to know how to setup kubernetes on rhel in an offline environment please help me to figure it out

@balusenapathi5097 Ай бұрын

Hi Abhishek can you show all the scenarios with hands-on especially the third scenario on eks cluster which will really show the actual scope because in air things collide and we followers never get clear picture bring it to reality with your expertize...Thanks a lot for reading my comment❤

@AbhishekVeeramalla Ай бұрын

We are covering them in troubleshooting series videos, resource quota and limits is already covered. Others will also be covered

@balusenapathi5097 Ай бұрын

Thanks ...Abhishek ..interested to get hands on with third scenario you explained in this video ,waiting for it.❤

@muruligowda2985 Ай бұрын

bro do kubeadm upgrade process

@sachinhandi Ай бұрын

Please do upgrade vedio also it will be very much help

@AbhishekVeeramalla Ай бұрын

❤️

@mhemanth5651 Ай бұрын

Can you please show us practical for this video. It will help for us....

@chrakesh9137 Ай бұрын

Is there any limit for each pod, how much we can allocate how do we know that.?

@AbhishekVeeramalla Ай бұрын

I explained that in the video.

@yashsingh7042 Ай бұрын

Great video . I answered the same in one of my interviews for OOM killed issue but the interviewer came up with a cross question as if it is OOM KILLED issue then the JVM itself will be stuck, thread and head dumps will also be stuck, in that case how will you determine the rca for the same. Anyone with the answer for this?

@AbhishekVeeramalla Ай бұрын

If ur jvm is crashed then automatically a dump file will be created. You can share that developers

@Krish32154 Ай бұрын

youtube.com/@yashsingh7042 can you please share the interview questions asked

@madhuk.a5265 Ай бұрын

@abhishek Please let me know if I can switch from digital marketing to devops after 12+ experience

@AbhishekVeeramalla Ай бұрын

Follow the zero to hero series and do the projects

@madhuk.a5265 Ай бұрын

Thanks but there is no harm in switching right as I already started the course with completion of day 5

@user-pg9yy1un1s Ай бұрын

only one Thala

@lolitaad19 Ай бұрын

Sir we need more videos for real time scenario... Keep up the good work 🎉

@AbhishekVeeramalla Ай бұрын

Sure 👍

@lakshminarayanans5261 Ай бұрын

First like❤

@AbhishekVeeramalla Ай бұрын

❤️

@yogitha7428 Ай бұрын

How do I troubleshoot ''The connection to the server IPaddress:6443 was refused - did you specify the right host or port?'' error on my Kubernetes cluster? Sometimes it connects fine but most of the time it displays this error message. Can you please do a video about this error?

@harshtyagi5634 Ай бұрын

have you open this port:6443 in the sg for the host/instance?

@saidurgaraom3556 Ай бұрын

Annaya fresher ki devops Medha job unava plz reply me

@AbhishekVeeramalla Ай бұрын

Vunnay bro but takkuva .. will increase in future

@anils6235 Ай бұрын

What is the project and how they imagine the project according to developer and same according to devops engineer

@anils6235 Ай бұрын

Difference of both (devops engineer and developer )project imagination

@AbhishekVeeramalla Ай бұрын

Watch any of our project videos bro. You will understand

@VijayanirmalaM-ux2yr Ай бұрын

What is meaning of oom killed

@AbhishekVeeramalla Ай бұрын

Out of memory

@YogeshSharma-cs2pq Ай бұрын

Did anyone make notes of this video? Please share. Thanks in advance .!!!!!!!

@AbhishekVeeramalla Ай бұрын

❤️

@pratikpathak6562 Ай бұрын

yes, shared it on my LinkedIn

@YogeshSharma-cs2pq Ай бұрын

@@pratikpathak6562 thnks

@YogeshSharma-cs2pq Ай бұрын

@@pratikpathak6562 can u paste address here

@arunvilayil9695912299 Ай бұрын

Have you experienced issues where nodes fail to join the cluster after an upgrade? The nodes are visible in the cluster configuration, but in reality, they are not in the cluster, and there are many issues with the controller and API server. Additionally, the scheduler fails to schedule, rendering the cluster nearly unusable. Do you know how to fix these issues?