CKS CKA CKAD CNPE LFCS Simulators
Joined December 2019
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🔥 We're happy to announce the brand new CNPE simulator. It comes included with each CNPE exam purchase at the Linux Foundation. Use code KILLERCNPE to get 35% off on your CNPE exam purchase! (Code valid until the 12th of February)
killer.sh/cnpe
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May 13
We expanded the Brain scoring analysis for the CKS and CKA simulators. Now, together with the CKAD, you get detailed suggestions on how to improve your solution. More on killer.sh/brain
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Apr 28
Brain now provides you with an intelligent scoring analysis for your CKAD exam simulator score, other sims to follow! Read more on killer.sh/brain
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18 Nov 2025
ℹ️Things look back to normal, but we keep an eye on it!
We extended the expiration of all active simulator sessions by 12 hours. If this does not help your situation because of this incident, please contact us on support to get a replacement simulator session.
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18 Nov 2025
⚠️We are affected by a global Cloudflare incident and are monitoring and working on a solution. Simulators might not be reliably reachable atm, sorry for that!
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31 Oct 2025
💥Exciting update for the CKS Simulator! It's now split into CKS-A and CKS-B, each with 17 questions. killer.sh/cks
All unused simulator sessions have been converted. If you recently used your sessions before the update, please contact us on support to get the new ones
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21 Oct 2025
The CKAD simulator now runs K8s 1.34 like the real exam.
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4 Jul 2025
The CKA and CKS simulators have been updated to K8s 1.33 to be in sync with the real exams.
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20 Jun 2025
We resolved issues some users had with copy&paste into the Remote Desktop. If you encountered problems (or still have) please contact us on killer.sh/support for a replacement simulator session.
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19 Jun 2025
The CKAD simulator has been updated to K8s 1.33 just like the real exam.
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12 Jun 2025
⚠️We seem to be affected by a Google Cloud outage. We're monitoring the situation and hope for it to be resolved soon. Simulator activation and usage is very limited right now. Very sorry for that.
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12 Jun 2025
It seems like the Google Cloud outage was resolved, we're still monitoring the situation but should be back to normal.
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Killer Shell retweeted
1 Apr 2025
Try out what you learn at #kubecon in our K8s 1.32 playgrounds killercoda.com/kubecon
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Killer Shell retweeted
25 Mar 2025
#IngressNightmare: Wiz Research uncovers a critical vulnerability in Ingress-NGINX 🚨
Wiz Research found a novel attack vector in one of Kubernetes's most fundamental projects, Ingress-NGINX, which is rated CVSS 9.8.
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17 Mar 2025
It's now possible to flag questions like in the real exam. This is just marker for yourself and allows for easier skipping and returning to questions later.
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Killer Shell retweeted
25 Feb 2025
🔥 You all are keeping our servers on fire 🔥
We just reached 300k users that started 6 million scenarios with 9 million VMs created. Big thanks to all creators and users!
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25 Feb 2025
The CKS simulator was updated to version 1.32, just like the real exam.
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20 Feb 2025
🔥The CKA simulator just got a huge update! Now it consists of two different sessions with 17 questions each. New topics for the 2025 CKA exam changes added. killer.sh/cka
Unused simulator sessions are converted. Contact support if you used yours recently before updated
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19 Feb 2025
The CKAD simulator was updated to 1.32 just like the real exam.
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