Everyday Notes from a Unix Administrator. A website created to serve as online notes, documentation, tips and tricks for System administrators.


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Recent Posts

How to Launch an AWS EC2 instance
This tutorial shows a step-by-step guide on how to launch an Amazon EC2 instance. We will launch a t2.micro instance
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Essential Docker commands
Docker is the most popular container technology. It is designed to make it easier to create, deploy, and run applications
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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
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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
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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
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Ansible Part I: Installation and Setup
This is the part one of the four part series on the basics of how to use Ansible. There will
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Configuring postfix relay for mail sending Ubuntu 16.04
Postfix can be used to send mails to an external SMTP relay which is helpful if you want to setup
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Raspberry Pi Thin Client
This tutorial creates a Raspberry Pi, a low cost single board computer, which can be used as a thin client
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The Linux Filesystem Explained
Have you ever wondered what all the folders on the root (/) directory of the Linux filesystem are for? Which
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Comparing files using the diff command
The diff command outputs the differences between two files, line by line. For files that are identical it produces no
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