Welcome to Jonathan Col贸n’s blog 馃憢

Cyber-Security Researcher, Developer and Infrastructure expert having interests in Automation, DevOps, Networking, Multi-OS based Systems, Python, Golang, Powershell and passionate for Open Source contribution; loves Command Line, FOSS. Mojo: A bad day at the beach is better than any good day at work!

Security: Auditing Active Directory Database with NtdsAudit

This time I am going to talk about a method to perform audits of the contents of the Active Directory database (NTDS.dit). The tool called NtdsAudit was created by Dionach, here I leave the link so you can see the functionality of the application: https://github.com/dionach/NtdsAudit As explained on the tool鈥檚 web page NtdsAudit is an application that helps to audit Active Directory databases. It provides some useful statistics related to accounts and passwords....

February 20, 2023 路 7 min 路 Jonathan Colon Feliciano

HomeLab: Veeam Diagrammer installation and setup

Hello everyone, This time I鈥檒l be talking a bit about a project I鈥檝e been working on for the last few months that has the use of creating basic diagrams of the components of the Veeam Backup & Replication infrastructure. The tool is called Veeam.Diagrammer and you can see the project page on Github. Here is the link so you can see the features of this tool. https://github.com/rebelinux/Veeam.Diagrammer Moreover, this project is still under continuous development, so you may encounter errors or bugs 馃榿....

December 22, 2022 路 5 min 路 Jon Colon

Govc: vSphere CLI built on top of govmomi, an introduction

Hello everyone, This time I will be talking about how to use Govc, a CLI alternative developed in the GO programming language, this CLI is designed to be an easy to use alternative to the Web GUI and very suitable for automation tasks. This tool is based on govmomi, which is a library for GO used to interact with the VMware vSphere Application Programming Interface (API). Note: vSphere versions that have reached end of support may work, but are not officially supported....

August 12, 2022 路 2 min 路 Jon Colon

HowTo: vSphere Diagnostic Tool

This time I am going to show you how to use the vSphere Diagnostic Tool, this tool is used to perform diagnostic checks on the VMware vCenter Server Appliance. This tool consists of a python script that executes diagnostic commands to validate the health status of the vCenter service. Note: As a minimum requirement it is required to have a version of vCenter Server 6.5 or higher. This tool performs the following validations:...

June 2, 2022 路 7 min 路 Jon Colon

HomeLab: Veeam VBR Documentation with AsBuiltReport

Hello everyone! As you know, due to the impact of the Covid-19 pandemic, I haven鈥檛 had much room to do anything but stay confined to my home 馃槖. Another reason is that many of my family members have tested positive for the virus. So this situation has been the best excuse for me to get into development. Recently I have received many requests from users and friends to develop a report to document the Backup application made by 鈥淰eeam鈥....

December 22, 2021 路 13 min 路 Jon Colon

PowerShell: VMware PowerCLI get Datastore Information

Hello, In this post I will show you how to get the datastore list in a vSphere infrastructure using PowerCLI. Now, first of all we have to establish connection to our vCenter/ESXi to get this information. We can do this using the 鈥淐onnect-VIServer鈥 command. PS C:\Users\jocolon> Connect-VIServer -Server 192.168.5.2 Specify Credential Please specify server credential User: administrator@vsphere.local Password for user administrator@vsphere.local: ******** Name Port User ---- ---- ---- 192.168.5.2 443 VSPHERE....

December 18, 2021 路 2 min 路 Jon Colon

HomeLab: vSphere documentation with vDocumentation

This time I will be showing a tool that I use regularly to quickly identify inventory information in a vsphere infrastructure. This tool is called 鈥渧Documentation鈥 and precisely uses PowerCLI to obtain the inventory information. The creator of this tool 鈥淎riel Sanchez Mora鈥 @arielsanchezmor defines vDocumentation as: vDocumentation provides a community-created set of PowerCLI scripts that produce infrastructure documentation of vSphere environments in CSV or Excel file format. Ariel S谩nchez Mora Github page However, to get started, the following requirements must be met:...

December 16, 2021 路 6 min 路 Jon Colon

HomeLab: VMware SRM Documentation with AsBuiltReport

Hello everyone! These last weeks I have been working on improving my coding skills taking into account that now the trend is 鈥淪oftware Defined Everything鈥. This time I have been spending time on PowerShell creating several reports through the AsBuildReport project created by 鈥淭im Carman鈥 @tpcarman Link Here . The report I helped finish this time is related to documenting VMware Site Recovery Manager installations. The report was initially created by 鈥淢att Allford鈥 @mattallford and I took on the task of trying to finish the work that had already been started....

November 25, 2021 路 13 min 路 Jon Colon

PowerShell: VMware PowerCLI initial vCenter Connection

Hi all, In a previous post PowerShell: VMware PowerCLI Introduction I showed you how to install VMware PowerCLI and a basic introduction of the purpose of this management tool. In this post I will show you how to do the initial connection to the vCenter using the PowerCLI tool. It is important to mention that PowerCLI can be used to connect to both vCenter and vSphere 鈥淓SXi鈥 server independently but in this post I will be showing examples only referring to the vCenter server....

November 10, 2021 路 4 min 路 Jon Colon

PowerShell: VMware PowerCLI Introduction

Hi all, In this post we will see how to install and use the PowerCLI tool. Recently on the VMware Blog portal they conducted a survey on the top 10 most used VMware administrators鈥 tools. A curious fact is that the PowerCLI tool achieved the first place on the list for the year 2021. It is for this reason that I took the initiative to create a series of introduction articles on how to perform basic tasks using PowerCLI....

November 4, 2021 路 3 min 路 Jon Colon