Python – What is a Dataframe?

A dataframe is a two-dimensional data structure, i.e., data is aligned in a tabular fashion in rows and columns, exactly as you would see in a classic Excel spreadsheet. In other terms, Pandas DataFrame is nothing but an in-memory representation of an Excel sheet via Python programming language.
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Securing RDP Connections using TLS certificates

Remote Desktop has been the must as remote administration tool for many IT professionals and sadly many even expose it to the internet leading to brutefoce attacks and Man in the Middle attacks in the past (and even during this period). Using TLS certificates can improve the security and the default access method to critical systems, even if those systems are reached only on internal business LAN environments. Read More …

Powershell – Digitally signing a .ps1 script

A file is signed with a certificate. A digital certificate is usually issued by a Certification Authority (CA). These are important things to consider, so it better to focus these before going on with the Powershell code signing process for scripts. Read More …

Python – Pandas – Converting XLSX to Dictionary (key and values)

During data import process in a Jupyter Notebook, using Python and Pandas module for data science, we would need to manipulate or import directly an Excel file into a notebook and transfor all the data into a dictionary, so in this article we will focus on this particular need. Read More …

Install the PowerShell Active Directory Module

This guide explains how to install the Active Directory (AD) module for PowerShell Core 6.0 and Windows PowerShell. For Windows PowerShell, the document describes how to install the AD module for Windows 7, Windows 8, Windows 8.1, Windows 10, Windows Server 2008 R2, Windows Server 2012 R2, and Windows Server 2016. Read More …