Recently when using podman on mac system, I encountered the error when pulling UBI base image from Red Hat’s registry. Here is the error from terminal I realised that, since, I was using a VM created using podman machine init command, adding the cert to my host machine was not going to help. Therefore we … Read more
In CoreOS if you want to add CA certificate to the list of trusted CA”s in the system, there are 2 options. Using “/usr/share/pki/ca-trust-source/” directory: /usr/share/pki/ca-trust-source/ contains CA certificates and trust settings in the PEM file format. The trust settings found in this directory will be interpreted with a low priority. To add a certificate … Read more
First thing that we need to keep in mind is that in Linux everything is treated as a file. Also each open file is assigned a unique number called file descriptor. Also there are 3 standard streams. Each one of them as a unique file descriptor Let’s take one example, below we are trying to … Read more
Recently working on exposing an application which was running on HTTPS port, I used following yaml to create ingress. Note here that backend service “connaisseur-svc-health” was redirecting traffic to a pod which was listening on HTTPS port only. Therefore backend service was only reachable via HTTPS . When accessing this via Ingress I got an … Read more
Recently while using Ansible async_status module to get status of previously ran async tasks I got an error :- In Ansible we know that, to run tasks asynchronously we can use async and poll. Also ansible.builtin.async_status module can be used to obtain status of asynchronous task. This was confusing to me because same task was … Read more
NoneType attribute error in Python? Recently while running a Python program I encountered an error AttributeError: ‘NoneType’ object has no attribute ‘xxx’. When looking at the code, I could not initially identify why this was happening. Later on I realized that I was setting an attribute on a function that was returning ‘None’ . Therefore … Read more
Recently for me GitHub Copilot extension activation failed on Visual Studio Code, I got an error ‘Extension activation failed: “getaddrinfo EAI_AGAIN api.github.com”‘ In this case I was using proxy to connect to internet. To solve this problem, I had to follow directions in following article to setup proxy in Visual Studio Code. Also helpful links … Read more
Introduction: Midjourney, the cutting-edge text-to-image generation model, has recently unveiled its latest version, ¸This update brings a host of exciting features that push the boundaries of aesthetic intricacy and provide users with enhanced options for creating stunning visuals. In this blog post, we will explore six spectacular features of Midjourney v5.2 that will elevate your … Read more
Sometimes we might need to check if a specific network port is opened for various reasons. There are various tool available out there and most of them serves the purpose. In this article, we will talk about few tools that can be used to check if a port is opened, without needing to write a … Read more
There are many ways to login to kubernetes pods, and most of them requires you to know the pod name. Now let’s say we want to login to a pod that is being served by a service we want to troubleshoot. One longer way could be to first determine all the pods running behind service, … Read more