This article will explain the process of reflashing a Sonoff S31 with Tasmota firmware. A quick device tear-down of the smart plug along with some simple soldering allows you to replace the firmware on the device, thereby allowing it to easily join a management system for control, monitoring, and automation. DISCLAIMER: Electricity is dangerous and […]
Building Apache Tomcat from source is easy, and is the first step to building your own Tomcat mods. Comprehensive instructions are provided by Apache in the BUILDING.txt file. This article will augment those steps with screenshots and a few helper scripts to make the job a bit easier. If you haven’t already done so, provision […]
Zero Trust Architecture is one of the internet’s most highly overused buzzwords. At its core, it is a set of recommendations to secure an organization by: removing implicit trust enforcing least privileged access, and applying continuous risk evaluation and monitoring. NIST 800-207 formally documents the architecture. In this post we will attempt to simplify the […]
This article is a quick tutorial on how to trim vector art using a legacy version of Adobe Illustrator. As an example, we will focusing on trimming a portion of the AttainIT Technologies logo. We maintain the full logo as a scalable vector graphic (SVG). To generate a social media icon, we will trim the […]
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This article is documents how to send email using Spring Boot over Microsoft 365 (formerly Office 365). Spring provides an easy to use interface called JavaMailSender that wraps the native JavaMail API. This example demonstrates sending both plain and HTML messages, as well as adding attachments. Microsoft 365 Microsoft 365 subscriptions come with Outlook email access via browser or […]
This article will look at the steps required for installing Ubuntu on Hyper-V. We will focus on a vanilla build using Ubuntu LTS 20.04. This virtual machine could be used for a variety of purposes as-is. In later articles we will build on this simple foundation to create an open source intelligence (osint) platform for […]
This article will look at the steps required for building a Windows 10 VM on Hyper-V. Love it or hate it, at some point you will find yourself needing a Windows 10 workstation. Maybe to use as a cybersecurity target, testing a new software install, or for installing business software that will not run on […]
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