Linux kernel has a feature or application called OOM Killer. It kills the process whenever it is out of memory. OOM decides which process to kill based on a score that it calculates which is called oom_score. You can find oom_score for each process in /proc/PID/oom_score That rings the bell…

After playing with go for a while, i have decided that i will start to write some blog about go and some information which you need to know to get started on learning go lang. …

When you are using Istio, the source ip address gets replaces when it passes through the Loadbalancer and istio ingress, the source ip address gets changed. Problem Source IP not being preserved, instead changed to either LB or Node IP address in L4 loadbalancer. This causes issuse like cannot whitelist IP…

Introduction As we know that using kubeconfig for day to day use is a bad practice, instead each user should be given access based on their account and his/her request should be protected using self signed SSL. …

“You might think that creating random number is easy but its not as easy you think. Entropy as we know is the state of randomness, The more entropy we get, the more randomness there is. TL;DR True Randomness is hard. Cannot be achieved. …

You might know that docker and kubernetes are becoming very popular and having such skill will be very beneficial for you and your company. I have compiled a learning resource for docker and kubernetes. …

Today, I will show you how you can run your own multi-region k8s cluster. First of all, you need to have 3 working VM ready so that we can work on them. …

Are you using all the real-estate that the screen has to offer? Do you want your screen to look like this mess? To this fully utilized clutter-free

Solve the re-occurring could not get lock issue. When you are new to Linux, you might bump into the following errors, and can be frustrating, if you don’t know what actually happened and how to resolve them. So, take a deep breath and relax, we will try to fix the problem. Before you try to solve the problem…