amazon-eks-ami
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amazon-eks-ami | Metasploit | |
---|---|---|
19 | 117 | |
2,345 | 32,790 | |
1.6% | 1.3% | |
9.2 | 10.0 | |
7 days ago | 4 days ago | |
Shell | Ruby | |
MIT No Attribution | GNU General Public License v3.0 or later |
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amazon-eks-ami
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[Request for opinion] : CPU limits in the K8s world
Careful assuming system reserved will be present. Last I checked, AWS EKS does not have system reserved resources for the kubelet by default and as a result, pods can starve those for resources (e.g., https://github.com/awslabs/amazon-eks-ami/issues/79). This is of course more important for memory, but could impact CPU as well.
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Compile Linux Kernel 6.x on AL2? 😎
For example, this is available for AL2: https://github.com/awslabs/amazon-eks-ami
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Hands-on lab for studying the EKS, which scenarios I should learn?
I found this document that lists the pod limits per node size. I suspect you will want to consider larger worker nodes or you will very quickly be unable to schedule additional workloads.
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k3s on AWS,does it make sense?
source
- EKS Worker Nodes on RHEL 8?
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Five Rookie Mistakes with Kubernetes on AWS. Which were yours?
Issue 1 is a known issue due to memory reservation being to low, see e.g. https://github.com/awslabs/amazon-eks-ami/issues/1145
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EKS: Shoudnt nodes autoscaling group take pods limit into consideration?
No, the new node is added if there are not enough resiurces to start a new pod. So if you have many pods with small resource usage you can hit the pod per node limit, on eks you have a max number of pods depending on the instance type - https://github.com/awslabs/amazon-eks-ami/blob/master/files/eni-max-pods.txt You can incerase that limit : https://docs.aws.amazon.com/eks/latest/userguide/cni-increase-ip-addresses.html
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Blog: KWOK: Kubernetes WithOut Kubelet
# of pods are essentially capped by the worker node choice.
below excerpt from: https://github.com/awslabs/amazon-eks-ami/blob/master/files/...
# Mapping is calculated from AWS EC2 API using the following formula:
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Tips on working with EKS
See also: EKS nodes lose readiness when containers exhaust memory
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Best managed kubernetes platform
So it manifests itself in this way: your pod is scheduled but remains pending forever. You check the logs and you see that it's complaining that the an IP address. Ultimately, if you check here, you see the maximum number of pods that can be scheduled on any underlying ec2 instance, even if you have remaining IPs in your subnet. I found this to be one of the most poorly understood phenomena in EKS. Even those who claimed to "crack" it and wrote fancy blog posts about it fundamentally got it wrong. AFAIK this document reflects the official AWS guide on how to mitigate this.
Metasploit
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Best Hacking Tools for Beginners 2024
Metasploit
- Metasploit: Add Systemd BSOD QR Payload?
- Metasploit explained for pentesters
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Effective Adversary Emulation
Metasploit: https://github.com/rapid7/metasploit-framework
- CVE-2023-22515 - Atlassian Confluence unauthenticated RCE exploit module
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Hacking from anywhere
1-) Learn Hacking on a debian based distro like Kali Linux - I personally started with tools like nikto, camhacker... and then moved to more complex frameworks like metasploit.
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CMV: The Second Amendment "right to bear arms" and the discussions surrounding gun control also apply to hacking tools.
I once had to give a presentation about Metasploit, and whether it was ethically correct for the creator to make it free and open-source, available to everyone. And in researching this I realized that there were a lot of parallels between the arguments for or against hacking tools being readily available and the arguments for or against gun control. I'll just list a few quickly:
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Hackers Tools: Must-Have Tools for Every Ethical Hacker
Metasploit Framework (mentioned earlier)
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Penetration Testing
This phase is where the pen testers practically prove that there exist potential vulnerabilities in the target system. The pen testers do the hacking using an array of technical approaches and social engineering methods to exploit the vulnerabilities. The ethical hackers commonly use Metasploit framework to automatically execute exploitation against the target systems. Moreover, they may install malwares such as rootkit to persistently maintain their foothold and further compromise the target system.
- Metasploit Framework
What are some alternatives?
calico - Cloud native networking and network security
BeEF - The Browser Exploitation Framework Project
amazon-eks-pod-identity-webhook - Amazon EKS Pod Identity Webhook
routersploit - Exploitation Framework for Embedded Devices [Moved to: https://github.com/threat9/routersploit]
amazon-vpc-cni-k8s - Networking plugin repository for pod networking in Kubernetes using Elastic Network Interfaces on AWS
Covenant - Covenant is a collaborative .NET C2 framework for red teamers.
prometheus - The Prometheus monitoring system and time series database.
SQLMap - Automatic SQL injection and database takeover tool
envoy - Cloud-native high-performance edge/middle/service proxy
bettercap - The Swiss Army knife for 802.11, BLE, IPv4 and IPv6 networks reconnaissance and MITM attacks.
skopeo - Work with remote images registries - retrieving information, images, signing content
Brakeman - A static analysis security vulnerability scanner for Ruby on Rails applications