After creating your EC2 instance and connecting using PuTTY, this tutorials shows steps on how to run docker and setup a test Apache site using a docker image. This tutorial aims to introduce the basic operation of docker and how to use it on a Linux environment.Continue reading “Create test Apache site with Docker”
Ansible Part IV: Roles Overview
You may find Ad-hoc mode (from Part II) easy to use on day-to-day tasks such as for quick systems checks or when updating a config file on multiple systems. Stepping up simple ad-hoc commands are Ansible playbooks (from Part III) and Ansible roles which are very powerful ways to utilize Ansible’s features.Continue reading “Ansible Part IV: Roles Overview”
Ansible Part III: Using Playbooks
The Ansible cases we tested so far from Part I and Part II are what we call ad-hoc mode. If you are pretty comfortable on combining these ad-hoc commands and bash scripts, you can do a lot of work for a small amount of time. But Ansible can offer a lot more features. We’ll explore creating Ansible playbooks on this part.Continue reading “Ansible Part III: Using Playbooks”
Ansible Part II: Using Modules
On the first part of this series, you learned how to setup and configure Ansible. Part II explains how Ansible modules work and how you can use Ansible in ad-hoc mode from the command line.Continue reading “Ansible Part II: Using Modules”
How to find out PID in Linux
Every Linux process has a process ID (PID) assigned to it. It is a unique identification number that is automatically assigned to each process when it is created in an operating system. A process is a running instance of a program. In this tutorial we’ll look into ways on how to find the PID of process.
Redirect HTTP to HTTPS on Apache
SSL secured websites or HTTPS has now become a must to have on website, especially those handling sensitive client information. Having a HTTPS enabled website means that a intruder can’t intrude to communication between users and website. HTTPS not only secures communication but is now a requirement for many new features like http2, which requires you to have https enabled on your server. Having a HTTPS enabled website also improves your Google SEO (Search Engine Optimization) ranking.
In this tutorial, we will discuss two methods on how we can redirect http traffic to https on Apache web servers.
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Configuring Elastic Load Balancer on Amazon EC2
Load balancers are used to distribute the requests/queries to multiple server instances. Most web infrastructures have multiple front-end servers that share the load of the application. Although there are multiple server instances, the end-user only see them a single node. In this tutorial, I’ll walk you on how to configure an Elastic Load Balancer on Amazon, add your web server nodes and point your domain name to the EC2 load balancer.
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Setup Apache with Virtual Hosts on RHEL
The Apache HTTP server is a software that runs in the background (daemon), which primary role is to server web pages and other services to applications that connect to it, such as client web browsers. It was first developed to work with Linux/Unix operating systems. Apache has been the world’s most popular web server since the boom of the World Wide Web and open source in the mid 90’s.
This tutorial will walk through setting up two virtual hosts – two websites – on your RHEL6/7 server.
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