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  • How to expose port on live containers?

    Sep 21, 2021 · 5 min read  ·
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    As DevOps, we often make quite a lot of mistakes and one of the most oversight mistakes we generally do is forget to expose a port for the container. When you realize that you have not exposed any port for the container then you start looking for ways to change the port mapping of a live container or in other words, we …


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  • How to expose multiple ports with Docker?

    Sep 16, 2021 · 7 min read  ·
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    When we package any application using Docker then either we create Dockerfile or docker-compose.yaml, even you can create both the files and share the files with others. There is one important aspect in both the files .i.e. PORT. Any container which you build and ship to other developers has to have one or more defined …


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  • How to delete all the Git, BitBucket branches which have been merged?

    Aug 26, 2021 · 5 min read · GitHub  ·
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    I usually work with multiple projects at once and whenever there is a new feature on which I had to work, I usually create a new Branch from my Master branch and once I am done with the new feature I do create a pull request and after the approval, I do merge my changes from my new Branch to my Master branch. Well, …


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  • How to fix - unable to update URL base form redirection asked for https://github.com/rahulwagh/spring-boot-docker.git?

    Aug 23, 2021 · 4 min read · GitHub  ·
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    I faced this issue when I was trying to clone my GitHub repository but somehow I made a mistake and instead of using the correct GitHub Repository URL I used an incorrect URL. Here are the URLs - Correct URL - https://github.com/rahulwagh/k8s-jenkins-aws.git Incorrect URL - https://github.com/rahulwagh/k8s-jenkins-aws …


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  • How to use Workspaces in Terraform?

    Aug 18, 2021 · 6 min read  ·
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    Terraform worksapces is a very logical concept where you can have multiple states of your infrastructure configuration. To put this in simple words if you are running an infrastructure configuration in development environment then the same infrastructure can be run in the production environment. The main benefit of …


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  • How to run specific terraform resource, module, target?

    Aug 15, 2021 · 3 min read  ·
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    Terraform file always grows as you span your infrastructure and add multiple servers to your cloud-hosted infrastructure. But imagine you have terraform file which contains lots of resources but you only do not want to apply the complete terraform configuration but instead, you just want to run one specific or some …


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  • How to restart single docker container within multiple docker container?

    Aug 11, 2021 · 3 min read  ·
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    I am a real big fan of working with docker because it provides you a certain level of isolation and the ability to move your dockerize application anywhere from development to the production environment. But often when I work with the multiple numbers of running docker containers then it is often needed to restart a …


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  • How Terraform modules works?

    Aug 9, 2021 · 10 min read  ·
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    Terraform is an IaC(infrastructure as Code) framework for managing and provisioning the infrastructure but have you ever thought of creating only a single terraform configuration file for managing the complete cloud infrastructure. Well, it sounds insane because if you only have a single file for managing the complete …


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  • How to edit file within Docker container or edit a file after I shell into a Docker container?

    Aug 5, 2021 · 6 min read  ·
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    While working on my Spring Boot Microservices with Docker I felt a need to edit some of the files present under my docker container. But when I tried to edit the file nano application.yaml it throws me an error bash: nano: command not found. So I was not able to edit the file which is present inside my running docker …


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  • How to fix Error starting docker service Unit not found?

    Jul 24, 2021 · 4 min read  ·
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    In this blog post, we will look at the different ways to fix the Error starting docker service Unit not found. I faced this issue while I was trying to set up Kubernetes cluster on CentOS 8. As Kubernetes is a container orchestration tool and it is used for managing container images, so I had to install Docker before …


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Categories

TERRAFORM 32 KUBERNETES 26 DOCKER 15 HELM-CHART 11 SPRING-BOOT 5 QUARKUS 4 SSL 4 AWS 3 GITHUB 3 KUBESPRAY 3 PROMETHEUS-GRAFANA 3 VAGRANT 3 BLOGGING 2 NGINX 2
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AWS3 BLOGGING2 DEVOPS1 DOCKER15 GITHUB3 GRADLE1 HADOOP1 HELM-CHART11 HIBERNATE1 KUBERNETES26 KUBESPRAY3 NGINX2 PROMETHEUS-GRAFANA3 QUARKUS4 SPRING-BOOT5 SSL4 TERRAFORM32 VAGRANT3
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KUBERNETES 18 HELM-CHART 10 QUARKUS 4 DOCKER 3 GITHUB 3 SSL 3 BLOGGING 2 KUBESPRAY 2 SPRING-BOOT 2 HADOOP 1 INDEX 1 NGINX 1 TERRAFORM 1

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Rahul Wagh

Its all about Open Source and DevOps, here I talk about Kubernetes, Docker, Java, Spring boot and practices.
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