Category Archives: Troubleshooting
Kubernetes Namespace Stuck in Terminating State
Often the deletion of a namespace is required and using the well-known command to delete kubernetes namespace kubectl delete ns <namsepace_name> puts the namespace in Terminating state and it gets stuck there. Waiting for hours, even days won’t help in this regard unless the finalizers are deleted and the manifest has been replaced via kubernetes…
How to Fix “No memory limit support” for Docker in Raspberry Pi
Most of us have been in the position where you want to run docker in Raspberry Pi and create a docker swarm cluster or Kubernetes cluster. When it comes to docker installation, docker info command gives you warning messages, hence the cluster installation gets stuck. docker info Throws 0ne of the following warnings or all…
Using Docker Behind a Corporate Proxy
As I was trying to pull docker image from hub.docker.com, it was showing me errors like below error-response-from-daemon-get-https-registry-1-docker-io-v2 This ERROR occurs because of connection issues. If the system is behind a proxy then it’s more likely to run into this sort of error. This is how I have solved the PROXY issue for an UBUNTU based system which is…
Python 3.6 Package Installation Error in Docker Alpine Image
As I was trying to create an alpine image with python 3.6.7 version and also wanted to install other Python packages from requirements.txt with pip. Docker build kept running into ERROR. effi and ssl could not build with gcc. It took me awhile to find out why it’s happening. In the beginning I thought it was an issue with pip version of…
Ansible Error Failed to Lock apt for Exclusive Operation
I was trying to execute a package installation task in a recently launched amazon EC2 instance via ansible. I have come across the following error Failed to lock apt for exclusive operation This bothered me a little because I have set the connection: ssh before running the ansible-playbook yet the tasks ran into this error. As…