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Anything related to technology.

What is high availability, and how to make your infrastructure resilient to failures?

This post demonstrates how load balancers help achieve higher availability of the control plane nodes in a simple cluster environment. The post targets the beginner audience; with the concepts, procedure, and testing. The same concepts apply to setting up a high-available Kubernetes cluster. The post is divided into three parts; feel free to skip to

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Create a Virtual Machine with cloud-init using libvert(Automated)

In this post, we will see an automated approach to creating a guest VM with cloud-init using libvert/virt-install. In the Previous post described here, we have seen the manual procedure. Now, we will use a shell script wrapper to do the same for our convenience. For your convenience, the script is loaded with comments, so

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Create Virtual Machines using virt-install(libvert) with cloud-init

This post will demonstrate creating a high-performance guest VM with cloud-init using virt-install. The Qemu/libvert/KVM stack is currently the best bet to get the near-native performance from the virtual machines. When combined with cloud-init, the stack gets more empowered and highly convenient to set up virtual machines. This is especially helpful if you require creating

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How to check the IP address reputation programmatically

Countless predators are sitting in the wild to spam or attack the network. So sometimes, before trusting a random IP address on the Internet, it’s a good idea to check its reputation. There are multiple methods to check the details and reputation of an IP address, but here we are covering only one via “www.abuseipdb.com.”

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