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Jinja2 is a templating engine for python. However we can use it in Ansible for generating dynamic content. There are many filters available in Jinja2. In this article we are going to check Jinja2 string filter examples.

This article will guide you on How to add line in file on multiple servers using Ansible playbook in minutes.

In this article we will be discussing step by step guide to install docker on Linux on various flavors such as RHEL/Centos/Ubuntu/Debian.

This article will teach you quickly what is permission denied Linux error. And also what ways you can avoid permission denied error in Linux.

Sticky bit is an special permission on files as well as on the directories. Whenever you set Linux sticky bit on directory there will be a special restriction on the directory and files. This article will quickly guide you about Linux Sticky bit. Also it will guide you about how to set Linux sticky bit.

Although there is no need for firewall on Linux systems such as Ubuntu. Having firewall ads up more security to your system. That is why we are discussing about how to setup Ubuntu firewall. In this post we will be installing GUFW aka Uncomplicated Firewall on Ubuntu 16.04.

In this post we will be quickly discussing how to run sudo command without password.

In AWS, s3 stands for simple storage system which is used for storing unlimited data and you can access it using internet. This article will guide you about how to configure s3 bucket in AWS.

This article will quickly guide you about, How to check open ports in Linux with respective service-process.

This article will help you with how to quickly find top memory consuming processes in Linux.

Want to put some stress|work load ( CPU or memory) on your Linux server. Learn how to install Stress on Linux so that,  you can easily manage the activity of putting work-load on your Linux server.

In this article we are going to discuss about how to find number of CPU-Cores in Linux. Which will help us to find configuration of server.

Sometimes your current EC2 instance is over utilized meaning that, resources within EC2 instance such as CPU or memory are remaining at their peak all the time. In such case you need to scale up the EC2 instance. This article will quickly guide you about how to resize AWS EC2 instance (Backed by EBS volume) to match the load on the system.

Learn how to resolve “Instance does not have a volume attached at root (/dev/sda1)” error on AWS platform. This error comes when the device name not mapped properly while attaching volume to the EC2 instance.

You need to find different approach when you want to extend-resize Linux root partition on AWS EC2. This article will quickly guide you on how we can extend-resize Linux root partition on AWS EC2.

This article will quickly guide you about how to configure-setup auto scaling in AWS. This will make sure that you have got correct amount of compute power available at any point of time.

Linux is funny and humorous. Don't you believe? Then check below funny commands in Linux. You are certainly gonna enjoy these commands.

In case you want to explore the opportunity for performing private-public messaging in Linux , then ssh-chat is the perfect solution. This article will describe you how we can unlock private-public messaging in Linux using ssh-chat utility.

This post describes about how to setup Samba server for file sharing with windows client. Samba is a freeware open source software suite that can be used for file sharing and print services. Using the SMB protocol we can share files across windows client.

In this Article you will learn how to Open multiple files and switch between them in vi editor.