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Channel: Lingesh, Author at UnixArena
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Ansible Engine – Run Playbook using Jenkins – GUI

Can’t afford Ansible Tower? Worried about  AWX stability  (Open Source Ansible Tower’s upstream Project )? Jenkins is more than enough to run the Ansible playbook from GUI. Ansible Tower’s main selling...

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Jenkins – Passing Extra variables for Ansible Playbook

Ansible Playbooks are often written with many extra variables to pass the human inputs. In Ansible Tower /AWX,  “SURVEY” feature is used to pass the extra variable to the playbook. If you are using...

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Ansible – Configure Windows servers as Ansible Client – winrm

Ansible is not just for Linux. It can also be used for Windows servers automation. This article will explain how to prepare windows servers for Ansible automation. Ansible uses WinRM protocol to...

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Jenkins Console – Xterm Terminal – Colorized Ansible playbook Output

This artcile will walk through the installing and configuring Ansicolor plugin in Jenkins to make colorized output in ansible playbook stdout. Jenkins console is very plain and simple. If you are using...

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Jenkins – Rename Build Job Names – Build Name setter

Jenkins job’s build name would be named with the numeric number by default in increment manner. After configuring the Jenkins job, the first build job would be named as “1”, the second job would be...

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Jenkins – Store Console Output in Linux Filesystem – Artifacts

How to store Jenkins job’s console output in another system?  There are much opensource software is available to store the logs and retrieve logs in time. Jfrog is one of the most famous artifact...

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Jenkins – Ansible – Configure Dynamic Inventory

Are you using Jenkins as front-end GUI for Ansible Automation?  Have you ever tried the dynamic inventory in Jenkin’s Ansible plugin? Ansible Inventory can be created using the plugin’s dynamic...

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VMware Template Automation Using Packer – Redhat/CentOS

VMware template creation can be automated using packer. VMware Virtual Machine deployments are very faster because of the template based VM build. But due to rapid development and fast-paced Operating...

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VMware vSphere – Build VM using Terraform – Cent OS/RHEL (Redhat Linux)

This article will provide step by step procedure for building  “CentOS” /”Redhat Linux” Virtual Machine using Terraform tool on the VMware vSphere environment.  Terraform is an excellent tool to build...

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What is Kubernetes – Good to Know – An Overview

Kubernetes is a leading container orchestration platform for automating application deployment, scaling, and management. Container brings a lot of scalability challenges. But Kubernetes can take over...

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How Kubernetes works ? – Core Components and Architecture

Kubernetes is an open-source generic multi-container management software which offers deployment, scaling, descaling & load balancing. It’s an orchestrator for microservices applications....

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How to pass variable from one playbook to another playbook ? Ansible

In Ansible, passing a variable from one playbook to another playbook is not a straight forward. (If the target hosts are different). We might need to get the variable value from one host and use that...

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Ansible – Reboot Server Using Playbook and Wait for come back

Ansible is a simple configuration management tool. Open source community keeps trying to make the code much simpler on the newer version.  Prior to Ansible engine 2.7, To reboot the target hosts, we...

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Kubernetes – Overview of Pod and Service

This article will give a high-level view of Kubernetes Pods and Services. Kubernetes runs containers but always inside the pods. You can’t directly deploy container without pods in Kubernetes. The...

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RHEL 7 / Cent OS 7 –“fwupdate-efi” conflicts with “grub2-common”

Have you got the package conflict error while installing the specific package on RHEL 7 /CentOS 7? Frequently, “fwupdate-efi” package conflicts with the “grub2-common” package in RHEL 7 / CentOS 7...

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How to Deploy Kubernetes ? Minikube on RHEL/CentOS

How to create a Kubernetes’s sandbox environment?.  How to experience Kubernetes in Laptop/Desktop? MiniQube is developed for desktop/Laptop environment to experience the Kubernetes cluster....

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Kubernetes /Minikube – Enable Dashboard – RHEL 7 / CentOS 7

Are you missing Kubenertes Dashboard on Minikube deployment? This article will walk through how to enable the dashboard on Minikube deployment on localhost and remote client. The dashboard is a...

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Kubernetes /Minikube – How to Deploy Application using Dashboard ?

How to deploy an application on Kubernetes using Dashboard?  “Minikube“ is one of the Kubernetes’s variant to experience on a desktop/laptop. This article will walk through how to create deploy a new...

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Using Date and Timestamp Variable in Ansible Playbook

Timestamp plays a crucial role while automating any job. Timestamp variable would be helpful to capture the current date and time. In Ansible, we might need to create a file or directory based on the...

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Downgrading Ansible Engine on CentOS 7/ RHEL 7

How to downgrade Ansible engine on RHEL 7 / CentOS 7 ?.  If you install ansible engine from EPEL repository, it will install the latest ansible engine. I had a hard time with latest ansible engine due...

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