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


About Me

Recent Posts

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
Read more.
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
Read more.
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
Read more.
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
Read more.
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
Read more.
Raspberry Pi Thin Client
This tutorial creates a Raspberry Pi, a low cost single board computer, which can be used as a thin client
Read more.
The Linux Filesystem Explained
Have you ever wondered what all the folders on the root (/) directory of the Linux filesystem are for? Which
Read more.
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
Read more.
How To Tell If Your Linux Server Has Been Compromised
A server being compromised or hacked for the purpose of this guide is an unauthorized person or bot logging into
Read more.
How to effectively use the GREP command
Grep is a very important & powerful Linux commands. It stands for ‘Global Regular Expression Print’ & is used for
Read more.