Yearly Archives: 2021

AWS: Trusted Advisor, part 2 – CloudWatch Alarms and Slack notifications
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29 November 2021

Continuing with the theme of the AWS Trusted Advisor service, let’s see how can we configure notifications about new findings. The first part: AWS: Trusted Advisor, part 1 – its features overview. To have notifications, we can use Trusted Advisor metrics from the CloudWatch, see their list on the Trusted Advisor metrics and dimensions page.… Read More: AWS: Trusted Advisor, part 2 – CloudWatch Alarms and Slack… »

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AWS: Trusted Advisor, part 1 – its features overview
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29 November 2021

AWS Trusted Advisor is another service that allows monitoring your accountant its resources in use for their cost-effectiveness, performance, security, and more. Keep in mind, that Trusted Advisor’s checks that are available for you depend on the AWS Support Plan of your account. вашего аккаунта. Fortunately, we have Premium so I’m able to how all… Read More: AWS: Trusted Advisor, part 1 – its features overview0 (0) »

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AWS: Cost optimization – services expenses overview and traffic costs in AWS
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3 November 2021

Let’s proceed with our journey on AWS Cost Optimization topics. Previous parts – AWS: Cost Explorer – costs checking on the CloudWatch Logs example and AWS: cost optimization – purchasing RDS Reserved Instances. One of the shortcomings of the cloud-based architecture is the fact, that it can cost much more than when using own bare-metal… Read More: AWS: Cost optimization – services expenses overview and traffic costs… »

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AWS: Lambda – copy EC2 tags to its EBS, part 2 – create a Lambda function
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13 October 2021

let’s proceed in our journey of the AWS Lambda function, which will copy an EC2’s AWS Tags to all EBS volumes, attached to it. In the first part, AWS: Lambda — copy EC2 tags to its EBS, part 1 – Python and boto3, we wrote a Python script that can get all EC2 instances in… Read More: AWS: Lambda – copy EC2 tags to its EBS, part… »

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AWS: Lambda – copy EC2 tags to its EBS, part 1 – Python and boto3
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13 October 2021

We have an AWS Elastic Kubernetes Service cluster, which has a few WorkerNode Groups that were created as AWS AutoScaling Groups by using the eksctl, see the AWS Elastic Kubernetes Service: a cluster creation automation, part 2 – Ansible, eksctl for more details. The WorkerNode Group configuration for the eksctl keeps a set of Tags,… Read More: AWS: Lambda – copy EC2 tags to its EBS, part… »

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Kubernetes: Krew plugins manager, and useful kubectl plugins list
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1 October 2021

One of the most valuable features of the kubectl utility is its plugins. Of course, there are things like Lens, widely used by developers who don’t like working in the terminal, or tools like k9s, but kubectl‘s plugins worth for a dedicated post. So, in this post, we will install Krew – kubectl‘s plugins manager,… Read More: Kubernetes: Krew plugins manager, and useful kubectl plugins list0 (0) »

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AWS User group Ukraine: AWS Tech Conference
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1 October 2021

Boom! Get ready for a virtual AWS Tech Conference from AWS User Group Ukraine!  Conference program: 6 comprehensive presentations  6 workshops with AWS instructors  AMA with AWS experts  1500 online attendees  rewards for best questions  The speaker line-up will consist of an AWS team from all over the world that’s why the presentation will be… Read More: AWS User group Ukraine: AWS Tech Conference0 (0) »

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Linux: create Gif or record video from the screen
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29 September 2021

There are a lot of utilities to create a Git animation for Linux, but I like the peek. Besides the Gif, also can create files in the MP4, WebM, APNG formats. On the Arch Linux can be installed from the AUR: [simterm] $ sudo pacman -S peek [/simterm] Run it: [simterm] $ peek [/simterm] The… Read More: Linux: create Gif or record video from the screen0 (0) »

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Kubernetes: Helm – “x509: certificate signed by unknown authority”, and ServiceAccount for Pod
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29 September 2021

We have Github runners in our AWS Elastic Kubernetes service cluster, that are used to build Docker images and deploy them with Helm or ArgoCD. On the first helm install run in a Github runner’s Pod, we are getting the “x509: certificate signed by unknown authority” error: [simterm] # helm –kube-apiserver=https://kubernetes.default.svc.cluster.local list Error: Kubernetes cluster unreachable:… Read More: Kubernetes: Helm – “x509: certificate signed by unknown authority”, and… »

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