Ansible Command Module Examples
Ansible Command Module Introduction Ansible Command module is used to execute commands on a remote node. The Command module, is used mostly to run simple Linux commands on a remote node/server which is part of a host group or Stand alone server mentioned in the host...
Docker Run Image as Container - Create Container From Docker Image
In this post, we are going to see how to create an image and run the image as a container and manage it. Before we proceed further, it is indispensable, that we are aware of what is an Image and What is a Container. So let us begin from there. The Index These are the...
Docker SSH Into the Container - How to SSH to Container
The Docker container is a Process and Not a Virtual Machine. So You do not need any protocol like SSH to get into the container Shell. Docker CLI has given us special commands to get into the Container like docker exec -it and docker run -it In this post, we are...
Packer AWS Example with Terraform
In this article, we are going to see a quick packer aws example setup and provide the steps to create an AWS Image (AMI) using Packer and we are also going to Create Amazon EC2 Instance ( Elastic Bean Stack - EBS) from the same AMI Image we have created, using...
Ansible lineinfile multiple lines - Replace multiple Lines | Devops Junction
In this post, we are going to see how to use Ansible lineinfile module to replace multiple Lines at the same time. How to use Multiple Regular Expressions or Regex at the same time. How to Match Multiple lines. For this example, we are going to take apache httpd.conf...
Ansible lineinfile examples - Add, Modify, Delete, Replace lines
Ansible lineinfile module could be the saviour of your day when you want to work with files and especially modify their content on the run, like adding a new line in the file or updating a line in the file or replace a line in the file when certain text is found and...
How to Start Weblogic Admin and Managed Server in Command Line
The Objective In this post, we are going to see how to Start the Weblogic Admin and managed server in the command line. Presumably, most of the weblogic servers in the industry is running in LINUX Operating System and So this article is designed for the Linux as...
Encrypt tomcat database password - How to avoid Clear Text Password
In this article, We are going to discuss how to encrypt the Tomcat DataSource Password and avoid clear text password in Context.xml. If you are using Tomcat Application server's Datasource Feature, You must be aware that there is a Security issue as the DataSource or...
Ansible get ip address of current host or target
How to get the IP address of the current or remote host in Ansible. That's the question, this article is going to address. While running a Playbook you might have had a requirement where you need to get the IP address of the connected and current remote host. There...
Monitor Weblogic Stuck Threads - WLST Script
In this post, we are going to share the Weblogic Stuck Thread Monitoring Script which will automatically trigger an email notification and create heap and thread dumps when the maximum Thread stuck count has reached the threshold ( currently set to 10 but can be...
Docker NodeJS Example - Run NodeJS on Docker | Devops Junction
In this post, we are going to see how to Design and Develop a Simple NodeJS web application and Deploy the NodeJS web application to Docker and How to create Docker Images and start the container from the images and How to manage the docker container and publish your...
F5 Export Pools and their VIP mappings from All Partitions
The Objective This article is for you if you are looking for a solution for any of these scenarios Export or List All the Pools across All the Partitions Export or List All the Pools and their VIP mapping across all the partitions available Export or List All the...
What is Container and Containerization - Getting Started Guide
What is a Container: A container is a full package (or) grouping of an entire runtime environment of an application including its binaries, the runtime to run the application, System related tools, System libraries, Settings, and configurations. Are you kidding? It is...
A Sample Java Web Application - War file to Deploy and Test
The Overview This post is about the Java J2EE web application and starts with explaining what is Web Application and why they are called as WAR files and what is the Standard Directory Structure of Web Application or WAR file and What WAR files are consists of etc and...
Weblogic request processing time - Time taken to complete the request
The Overview Administrating and Managing Weblogic is easy if you have the right tools in place and the knowledge of the existing features what weblogic is already bundled with. In this article, we are going to see one such feature, Which I was not even aware sometimes...
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