If you've worked long in the virtual machine space, you have very likely used VMware's products, especially ESXi, the bare metal hypervisor that you could get a free activation key and use for various small-scale non-high availability purposes, and...
Brian O'Neill
A Comparison of “Freemium” Replacements for VMware vSphere/ESXi - XCP-ng and Proxmox VE
In past articles we've talked about managing Infrastructure-as-Code (IaC) and the advantages it offers. DNS records are part of your infrastructure as well, although fewerbusinesses think to maintain it outside of manual control via either DNS...
Queen to Queen's Level 3: Avoiding certain scams with Challenge/Response
How to Secure Your Email Delivery: A Step-by-Step Guide
Various email providers have begun to clamp down on incoming emails that are deemed "untrusted". If you haven't properly set up your email environment, you could find your emails being rejected by the major providers, or more frequently ending up in...
How to Efficiently Clean Up Your AWS VPC and Cut Costs
Are you trying to clean up an old Virtual Private Cloud (VPC) network to save on your AWS costs, but can't seem to find all the resources associated with that VPC? Finding all associated VPC resources, including specific security group linked EC2...
Log4Shell: rethinking your environment and using external code
Log4Shell (CVE-2021-44228) struck fear in many IT departments, CISOs, and vendors - an easily exploitable remote execution vulnerability in a ubiquitous Java module used by many, many applications. Companies are still reeling from the impact and...
DNS Server for Facebook: Why Finding Yours is Vitally Important
When I started writing this article, Facebook had been unavailable to the entire world for over four hours. Not intermittent, not “articles didn’t load”, just non-existent. As in if you type facebook.com, your browser spins for a while and then says...
Finding an AWS Resource Over All Regions
If you have a lot of resources in AWS spread across multiple regions, sometimes it can be cumbersome trying to remember which resources are in each region. For the most part, the AWS Management Console only provides information on a given region. If...
The Business to Scammer (B2Scam) Tactic
You have all gotten spam before. Emails from dying millionaires who want to give you their money, or an official from a deposed government trying to sneak money out of the country, etc. You've all done the right thing and deleted the emails. I hope.
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