Ansible dynamic inventory AWS - How to use
Ansible Dynamic inventory is a wonderful feature to efficiently manage the entire infrastructure, In an ideal world the list of hosts we have in our infrastructure would not be static, the number of hosts would increase or decrease based on the new instance...
Ansible lookup file - How to Read file into variable in Ansible
In this post, we are going to see how to use ansible lookup and how to read file into ansible playbook using ansible file lookup. Purpose of Ansible Lookups When it comes to automation, we handle different types of data and files such as csv, txt and sometimes we...
Ansible read JSON file - JSON file Parsing
In this article, we are going to see how to read the JSON file in ansible-playbook JSON is the most famous data representation it is widely used to store and transmit data. When you are working in Ansible automation, you might get a requirement to work with JSON files...
Kubernetes Ingress Example on Google Cloud
Kubernetes Ingress We understand that as per traditional infrastructure setup, in order to load balance the client requests you are required to configure instances for each application you want to balance the load, which makes your configuration lengthy, and when...
Ansible apt module Examples - install packages with apt | Devops Junction
Ansible APT Package manager is an Ubuntu equivalent for RedHat yum package manager. Just like all other ansible modules apt ansible module is built after one specific unix command of Debian apt-get It is always recommended to choose the modules rather using the raw...
Enabling Two Factor Authentication for EC2 SSH - AWS MFA Setup
Security is always a big thing. Protecting your data is very crucial when there are lot of people out waiting for a chance to exploit. In Enterprise Infrastructure. We have various levels of security as follows Internet Firewall and Gateway Load balancer Restrictions...
Helpful ES5 ES6 ES7 JavaScript Methods and Functions.
We all know that Javascript is one of the most preferred platforms for all front and back ends and even mobile application development. While Javascript is continuously evolving and a lot of frameworks being released every year. Like NodeJS,VueJS, QuaserJS, BackboneJS...
V html - Vue JS v-html Directive Examples
Some Background on VueJS Vue JS is a front end framework getting all the traction it deserves. It is created by cherry-picking the best features of Angular and React, The Two popular Frontend Java Frameworks in the modern IT industry. It is a wonderful and robust...
What is STDOUT and STDERR in Linux - echo to STDERR
Every command we run in Linux would either give output or throw an error. Sometimes we want the errors to be redirected into an output channel or you may want to redirect the STDERR to one file and STDOUT to a different file You might have come across these two words...
AWS change instance type - From Console or AWS CLI
How to Change AWS Instance Type or EC2 instance type is more interesting and frequently asked question by many AWS Professionals. We create EC2 instances as t2, t3.micro but soon we realize that our requirements just got bigger for good and we need more CPU and RAM on...
Terraform AWS Example - Create EC2 instance with Terraform
Terraform, An outstanding and innovative product from hashicorp and it is a leader in Infrastructure as Code tools Segment. Before I go any further, I think I should set the context. In this article, we are going to learn how to use Terraform to create AWS EC2...
AWS EC2 CLI List Examples - Describe instances | Devops Junction
AWS CLI is a very great help when it comes to efficiently managing your AWS Cloud Infrastructure and your EC2 instances. While we are managing our AWS Infrastructure, we cannot always afford to login to the AWS console all the time and it is not recommended from the...
Ansible Find Examples - How to use Ansible Find
Ansible find module functions as same as the Linux Find command and helps to find files and directories based on various search criteria such as age of the file, accessed date, modified date, regex search pattern etcetera. As said earlier, this is more of an ansible...
Ansible JSON - Parse JSON using Ansible json_query
Ansible Unarchive Module Examples
What is Ansible Unarchive Module and How does it work Ansible Unarchive module helps to unpack or uncompress the files from an archive file such as tar, tar.gz, zip . Ansible unarchive module can optionally copy the files to the remote server before uncompressing...
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