LinkerD | AWS | Azure | GCP | Kubernetes | Networking | Cloud Native — So I started seeing a ton of warnings come through about LinkerD on the Kubernetes cluster. At first, I could not explain what was causing this until I saw that Readiness Probes were failing for a lot of the LinkerD pods. After some research, I realized that LinkerD requires by…

Linux Distro | Ubuntu | X11 | WSL | Development | Windows 11/10 — I've never been a Graphical User Interface (GUI) guy with Linux but there is sometimes a need. Of course, if you are working with Windows and you like Linux distros as much as I do then you probably utilize Windows Subsystem Linux (WSL). So the goal of this article is…

Ruby | VSCode | Containerization | Mitigate Risk | Shift Left | Development — Want to remove that saying it works on my machine but not yours saying? Well, you are in luck. Now you can set up a .devcontainer for Ruby within Visual Studio Code within your repository to do just that. Let's begin how! Step 1. Create .devContainer in VSCode Open up Visual Studio Code and create a…

A step-by-step guide on how to update the EBS volume within AWS. — This is going to be one of my quickest articles on some AWS basics. This article will cover how to update the EBS volume within AWS and the steps to take to do this. Now this will be for a Linux machine, not a Windows machine. However, this should work…

RHEL 7.9 | AWS | EC2 | Terminal | Password Reset | Linux — So I recently made modifications to the ssh_config file to make sure that passwords are rotated every 60 days and require it. Well, guess what? If you have not created a password within the 60 days then the EC2 instance will be locked until this is done. So I needed…

AWS Outage | JNDI | Log4J Shell | Hacking | Attack | Java | CVE | Vulnerabilities — I have noticed a trend of articles treating the Log4j Shell vulnerability the same but should all versions be treated the same. The answer to this is NO. So let’s get to the bottom of this. First CVE stands for Common Vulnerability and Exposures and these are different than CWEs…

A guide to changing the Node exporter port if it is already in use. — The Node Exporter is a service from Prometheus that allows for the extraction of node information via an Application Program Interface (API). If you are reading this then you probably are well aware of this. If you are installing the node exporter then you can read my article here. This…

AWS Monitoring | Grafana | EC2 | Nodes | Prometheus | — Want to easily get information about your virtual machines (aka EC2) and send that data to Grafana. Well in this article I will show you how to set up the Node Exporter which is used to send analytic information to Prometheus. Of course, Prometheus is hooked up to Grafana. This…