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.
Read More …

Check Windows Services statuses using Powershell

PowerShell is a great and essential “scripting” (the scripting is just one of the many things this language can do) tool. It not only helps save you time, it also provides greater flexibility to execute repeated tasks manually or via scheduled tasks. Almost all Windows roles and features ship with PowerShell cmdlets. Once of the most common tasks, specially on server machines, is to check regularly the status of a specific service. Read More …

Take Files/Folders Ownership (Microsoft Windows)

Many organizations with a Microsoft Windows environment rely on NTFS as the main file system for their storage devices that contain sensitive data. It is the easiest way for users to work with files. In order to implement a least-privilege model, which is a best practice for system security, IT security specialists and system administrators configure NTFS access control lists (ACLs) by adding access control entries (ACEs) on NTFS file servers. Read More …