Everyday Notes from a Unix Administrator. A website created to serve as online notes, documentation, tips and tricks for System administrators.
Replacing rc.local in systemd Linux systems
Missing rc.local for adding commands to run on startup? Here’s how to set up similar functionality with today’s systemd. TheRead more.
Using lsof to Recover Deleted Files
If an open file is deleted accidentally, it is possible to use lsof to recreate a copy of the file; provided thisRead more.
Create test Apache site with Docker
This tutorials shows steps on how to run docker and setup a test Apache site using a docker image. ThisRead more.
Connect to Linux EC2 instance using PuTTY
When you create a new EC2 instance and created new keys, the keys are on the pem key format. ThisRead more.
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 instanceRead more.
Essential Docker commands
Docker is the most popular container technology. It is designed to make it easier to create, deploy, and run applicationsRead more.
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 checksRead 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. IfRead 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 AnsibleRead more.