Docker tips and tricks. In this article I would like to add some commonly using Docker commands, and some tips and tricks. Will start with some basics and add more commands/tricks going forth. I shared some basics of Linux containerisation…
DevOps Hacks!
Introduction to Docker containers – part 1
Docker containers Introduction to Docker containers. We all are familiar with the name Docker, now a days. It is a containerisation technology to create multiple containers on a Host machine. Read part II -> Managing Docker containers – basics, part 2 What…
Automated backup job using AWS Lambda
Aim: To automate AWS instance backup job with some retention period. Automated backup job using AWS Lambda. How to Automate AMI Backups & Cleanups, using AWS Lambda (Serverless)? Is it possible to automate AWS AMI creation and deletion using Lambda…
How to convert or concatenate integer with string variable in Python?
Convert int to str. Simple way to concatenate integer and string variables – Python. In some cases, you have to concatenate integer variables to string variables in your Python script. You can not do this by simply using the (+) sign. In…
How to update a Docker image with new changes?
Why we need to update an Image? How to update a Docker image? Yeah, we all know, the Docker image is the core part of your Docker container. The container works based on this Image. Docker image can be built…
Quick way to remove all Docker images from your host
Is this a good thing to remove Docker images? Absolutely, a good question, do this carefully!! Removing an image will erase all information about your container. So do this, if you want really need it. You’re safe. This command wont…
Docker Swarm or Kubernetes
How to change the default data/image directory of docker?
Changing data/image location – Docker. Well, in some low disk host you may prefer a better, large partition for your Docker base directory. Once you installed Docker, the default data directory is “/var/lib/docker.” It contains all the data for your…
Introduction to Docker containers – part 2
Introduction to docker, part II. Managing Docker containers via command-line is very important. In this article I am trying to explain the details of Docker images, Docker containers and the relationship between them. Managing Docker containers (run, start, stop, remove, exec etc)…
How to deploy Apache on Docker container?
Deploying Apache on Docker containers. We discussed the basics of Docker containerisation in my previous article. before starting with this, please read the basics. Please refer to this link for more details > An introduction note to Docker containers. Here…
What is a Linux container?
An intro to Linux containerisation. Basic: Containerisation helps to isolate processes. You can run your App/Services as an isolated process, running from a distinct image that provides all files necessary to support the processes. Basically Linux containers are OS level virtualisation…