eksctl VS bettercap

There are a variety of ways in which you can create an Amazon EKS cluster. I prefer using eksctl CLI because of the convenience it offers. Creating an an EKS cluster using eksctl, can be as easy as this:

There are many ways to create a cluster such as using eksctl. In my case, I will use terraform module cause it’s easy to reuse and comprehend.

eksctl [eksctl] is the tool that can provision EKS cluster as well as supporting VPC network infrastructure.

For this and many other reasons I recommend doing everything in Terraform EXCEPT EKS and its node groups. For that, I use https://eksctl.io/ because it much better manages the lifecycle of EKS and your node groups. I have an blog article better explaining why I recommend it, and another blog article explaining how to do zero-downtime upgrades with EKSCTL.

eksctl

Second, make sure you create a spot instance group that attempts to launch MULTIPLE different instance types. This way if one instance type gets flushed, your autoscaler will kick in and launch a different type. Without this, you WILL HAVE DOWNTIME if a sudden price hike and flush occurs. If you're using eksctl I have example configurations that use multi-instance types on Github here.

There are a variety of ways in which you can create an Amazon EKS cluster. I prefer using eksctl CLI because of the convenience it offers. Creating an an EKS cluster using eksctl, can be as easy as this:

I've written an article on this, with my recommended tool for managing eks EKSCTL.

--- AWSTemplateFormatVersion: '2010-09-09' Parameters: VpcId: Type: AWS::EC2::VPC::Id Description: ID of the VPC in which to create the Kubernetes cluster SubnetIds: Type: List Description: List of Subnet IDs in which to create the Kubernetes cluster KeyPairName: Type: AWS::EC2::KeyPair::KeyName Description: Name of the EC2 Key Pair to use for SSH access to worker nodes ClusterName: Type: String Description: Name of the Kubernetes cluster to create Resources: ControlPlaneSecurityGroup: Type: AWS::EC2::SecurityGroup Properties: VpcId: !Ref VpcId GroupDescription: Allow inbound traffic to the Kubernetes control plane SecurityGroupIngress: - IpProtocol: tcp FromPort: 22 ToPort: 22 CidrIp: 0.0.0.0/0 WorkerNodeSecurityGroup: Type: AWS::EC2::SecurityGroup Properties: VpcId: !Ref VpcId GroupDescription: Allow inbound traffic to Kubernetes worker nodes SecurityGroupIngress: - IpProtocol: tcp FromPort: 22 ToPort: 22 CidrIp: 0.0.0.0/0 ControlPlaneInstanceProfile: Type: AWS::IAM::InstanceProfile Properties: Roles: - !Ref ControlPlaneRole ControlPlaneRole: Type: AWS::IAM::Role Properties: AssumeRolePolicyDocument: Version: '2012-10-17' Statement: - Effect: Allow Principal: Service: - ec2.amazonaws.com Action: - sts:AssumeRole ManagedPolicyArns: - arn:aws:iam::aws:policy/AmazonEKSClusterPolicy - arn:aws:iam::aws:policy/AmazonEKSServicePolicy ControlPlaneInstance: Type: AWS::EC2::Instance Properties: ImageId: ami-0b69ea66ff7391e80 InstanceType: t2.micro KeyName: !Ref KeyPairName NetworkInterfaces: - DeviceIndex: 0 AssociatePublicIpAddress: true GroupSet: - !Ref ControlPlaneSecurityGroup SubnetId: !Select [0, !Ref SubnetIds] IamInstanceProfile: !Ref ControlPlaneInstanceProfile UserData: Fn::Base64: !Sub | #!/bin/bash echo 'net.bridge.bridge-nf-call-iptables=1' | tee -a /etc/sysctl.conf sysctl -p yum update -y amazon-linux-extras install docker -y service docker start usermod -a -G docker ec2-user curl -o /usr/local/bin/kubectl https://amazon-eks.s3.us-west-2.amazonaws.com/1.21.2/2021-07-05/bin/linux/amd64/kubectl chmod +x /usr/local/bin/kubectl echo 'export PATH=$PATH:/usr/local/bin' >> /etc/bashrc curl --silent --location "https://github.com/weaveworks/eksctl/releases

you can do this with Bettercap

I've been learning some common lisp, reading through Practical Common Lisp, and it's really neat. People say the good ideas of lisp got adapted in other languages and sure that's true of garbage collection, lambda's and some others, but I'm seeing plenty incredible stuff I haven't seen elsewhere, the condition system that among other things lets you fix and resume your program on exception, real interactive development, flexible object system, macros way more understandable than in other languages with AST macros as in lisp the AST is simple, an expressive dynamic language at high level of ruby and python while being an order of magnitude faster performance. Quicklisp also is really neat, how many other package managers can load new dependencies without restarting your application? And I was learning it with idea that it's not just of historical or hobby interest but legitimately a good choice I can use for new programming projects today for many tasks, but I just learned something that makes it impossible for me to consider, which is complete lack of security of quicklisp. You go to the website and see sha256 hash and PGP signature for quicklisp download, awesome it seems at the security standard you expect for a package manager. But then the actual quicklisp client does all downloads over http with no verification. What this means in practical terms is basically if you use quicklisp, anyone on your local network can easily hack your computer, by MITM (man-in-the-middle) the traffic and serving you backdoored software when you install packages from quicklisp. mitm6 will MITM windows machines on normal networks, bettercap can MITM linux and os x on most networks. Aside from attackers on your local network there's plenty other scenarios, you can go near office of CL using company and set up a open WIFI access point with same name as company wifi and hack their developers, using quicklisp over something like Tor is extremely dangerous at present as it would let the exit node backdoor the packages you download, and then in less likely but still should be protected against scenarios is just if quicklisp.org or any router between you and it is compromised, you can be hacked.

Bettercap – Swiss Army Knife for 802.11, BLE, IPv4 and IPv6 Networks\ (5 comments)