Maven Tutorials: Archetypes & archetypeArtifactId

What is Archetype? In short, Archetype is a Maven project templating toolkit. An archetype is defined as an original pattern or model from which all other things of the same kind…

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Hashicorp Vault Assignment

Day#1: Write a Post on www.Debug.School with the answer following question… What is top 10 use cases of Hashicorp Vault? List of Authentication Methods in Hashicorp Vault 5 Use Case…

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Hashicorp Vault: Windows – Lab Manual – Authentiction – 2

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

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Hashicorp Vault: Authentiction Linux – Lab Manual – 2

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

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Hashicorp Vault: Windows – Lab Manual – 1

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

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Hashicorp Vault: Linux – Lab Manual – 1

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

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devops trainer search portal

Best DevOps Trainers in India and Europe

Finding Skilledfull DevOps Trainer is one of most difficult jobs whereas most of the skilled ful DevOps Engineer is being hired by Top Startups and Top Software Company in the world! Usually…

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AWS Tutorials: EFS Lab

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

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Grafana Tutorials: Display Jenkins Build Status on Grafana using prometheus?

Step – 1: Install Grafana server Step – 2: Install Jenkins Server Step – 3: Install prometheus Server? Jenkins Prometheus Plugin expose an endpoint (default /prometheus) with metrics where a…

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location-of-dockers-images

Docker Tutorials: Location of Docker images in all Operating Systems

Location of Dockers images in all Operating Systems The location of the images vary depending on the driver Docker is using for storage. Actually, Docker images are stored in two…

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docker-workflow

Docker Tutorials: Basic Workflow with example commands

Simple Docker workflow – Quick start In this tutorials, I am trying to cover the simple quickstart Docker workflow and for the example, I am creating Ubantu containee and using…

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Docker Tutorials: Docker Command line Reference | Docker Tutorial | Docker Guide

One liner to stop all of Docker containers: > docker stop $(docker ps -a -q)   One liner to remove all of Docker containers: > docker rm $(docker ps -a…

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Docker Tutorials: Working with Ports in Docker Containers

Port expose and publish has to happen when a container is created. Just stop the existing container and create a new one in its place with the added expose and/or…

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Docker Tutorials: docker pause and unpause explanined!

As of Version 0.12.0, Docker supports PAUSE and UNPAUSE commands to pause and resume containers using cgroup freezer. The docker pause command suspends all processes in the specified containers. On…

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Docker Tutorials: Volume – Deep Dive

In order to understand what a Docker volume is, we first need to be clear about how the filesystem normally works in Docker. Docker images are stored as series of…

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Docker Tutorials: Remove all Docker Containers, all Images, all Volumes, and all Networks

How to stop all Docker Containers To delete all containers including its volumes use How to remove all stopped Docker Containers How to delete all Docker Images Removing All Unused…

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Docker Tutorials: How to configure HTTP Proxy with Docker?

A proxy is required when the server running Docker does not have direct access to the Internet. Configure the Docker daemon to use a proxy server to access images stored…

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Docker Tutorials: Example of daemon.json or docker.conf

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

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Docker Tutorials: Enable docker deaamon to be accessible from the remote machine using API or docker client

Docker Tutorials Fundamental To Advanced-2021 Crash Course:- https://bit.ly/3hOIbTB Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps…

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Docker Tutorials: Upgrade Community to Docker Engine – Enterprise

Docker Tutorials Fundamental To Advanced-2021 Crash Course:- https://bit.ly/3hOIbTB Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps…

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Docker Tutorials: Specify the size limit while creating the docker volume?

If you want to use Volume with Containers, please refer this url. Volumes are often a better choice than persisting data in a container’s writable layer, because a volume does…

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Docker Tutorials: Image – Optimize faster builds and smaller docker images using multistaging build?

Problem with traditional approach of creating docker image? One of the most challenging things about building images is keeping the image size down. Each instruction in the Dockerfile adds a…

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Docker Tutorials: docker update command explained with examples

The docker update command dynamically updates container configuration. You can use this command to prevent containers from consuming too many resources such as CPU and memory from their Docker host….

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Docker Compose Tutorials: Wait for container one before starting container second

Referencehttps://stackoverflow.com/questions/31746182/docker-compose-wait-for-container-x-before-starting-y QuestionsI am using rabbitmq and a simple python sample from here together with docker-compose. My problem is that I need to wait for rabbitmq to fully started. From what…

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Docker Tutorials: “docker wait” command explained with example tutorial

“docker wait” is equivalent to “docker container wait”. If you are looking for Docker Compose wait for container one before starting container second? please refer this article. Docker Compose Wait…

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Docker Tutorials: Understanding EXPOSE in Dockerfile with example

Docker can build images automatically by reading the instructions from a Dockerfile. A Dockerfile is a text document that contains all the commands a user could call on the command…

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Docker Tutorials: Configure Docker daemon with a configuration file?

What is docker Daemon? The Docker daemon is a service that runs on your host operating system.It currently only runs on Linux because it depends on a number of Linux…

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Docker Tutorials: Configure Docker client with a configuration file?

What is Docker client? The Docker client ( docker ) is the primary way that many Docker users interact with Docker. When you use commands such as docker run ,…

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Docker Tutorials: Image – Create a image using Dockerfile

We learnt docker so we can create better docker images using dockerfile? What is dockerfile? Rule of dockerfile? Example of Dockerfile Lab & Excercise Reference Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert…

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Docker Tutorials: Share an docker image using hub.docker.com registry?

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

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