POSTS

DHCP: How to Configure a DHCP Server from Scratch

Introduction

In this post, we’ll see how to configure a DHCP server, add the necessary role, and configure the scopes.

Having a DHCP server …

PFSense: Adding an Additional LAN

Introduction

In this post, we’ll see how to add an additional LAN to pfSense.

PFSense is an open-source firewall/router based on FreeBSD. It can …

VMware: Updating Windows Templates in VMware with PowerCLI

Introduction

As we’ve seen in previous posts, the typical way to create new virtual machines is through templates. As administrators, we need to …

VMware: How to Create a Virtual Machine from a Template – GUI/PowerCLI

Introduction

In this post, we’ll see how to create a new VM from a template. In previous posts, we saw how to create a VM from scratch; however, …

VMware: How to Convert a Virtual Machine into a Template, from GUI/PowerCLI

Introduction

In this post, we’ll see how to create a virtual machine template that we can use to create other virtual machines.

I recommend …

VMware: How to create a new virtual machine from scratch.

Introduction

In this post, we’ll see how to create a new virtual machine from scratch. While the ideal approach is to create virtual machines …

Exchange: How to Add Another Email Domain

Introduction

In this post, we’ll see how to add another domain to an Exchange server.

First, we need to obtain a domain. This can be one …

PowerShell: How to Transfer Security Groups from One User to Another

Introduction

A couple of days ago, I was asked for help copying security groups from one user to a new user. While it’s true that we can perform …

PowerShell: Send email to users when password will soon expire.

Introduction

In this post, we’ll see how to alert users when their domain password will soon expire. To do this, we’ll create a …

PowerShell: Create security groups for each server, remove local administrators and add them to the new group.

Introduction

Security Procedure: Local Administrator Control

Some time ago, I was asked to find a method to implement certain security and …

GPO: How to Configure Password Policies

Introduction

In this post, I will show you how to create a GPO to meet the minimum requirements for password policies.

The first step is to access …

PowerShell: How to Create New Users in AD

Introduction

The easiest way to create users in AD is undoubtedly using Active Directory Users and Computers, provided you only want to create one or …

ADDS: Install, Configure, and Promote a Domain Controller

Introduction

In this post, we’ll see how to install the ADDS (Active Directory Domain Services) role and how to promote our new domain …

GPO: Enable script execution.

Introduction

PowerShell script execution is disabled by default on domain-joined computers. If you attempt to run a script, you will receive a message …

How to get a free domain with Freenom

Introduction

Let’s talk about Freenom.

Freenom is a domain provider where you can get free domains for a year. These domains work just like any …

Active Directory: Delegation of Control.

Introduction

Scenario

Delegation of control in Active Directory can be very helpful when managing a large number of users from different locations. …

GPO: Maintain the Domain Admins group or other groups as local administrators within computers.

Introduction

Situation

This is something I’ve seen in different places: sometimes, certain users with administrator privileges on a …

PowerShell: How to add all users from an OU to a security group

Introduction

Sometimes it’s necessary to add all members of an Organizational Unit (OU) to a security group in Active Directory, but how can we …