Using PowerShell for System Administration and Automation Tasks

The number of simultaneous network connections from other computers is limited in the desktop editions of Windows. For example, only 20 simultaneous incoming sessions (connections) are supported on Windows 10…

Windows can automatically turn off your monitor when it is not in use. On laptops, turning off the display can have a positive effect on power consumption and battery life.…

If you suspect that the built-in Windows Defender firewall is blocking network connections (from a specific program or service), it is a bad idea to disable it completely. Instead, you…

There are several ways to find out how long Windows has been running (uptime) since the last boot.

The password policy, which is enabled by default in Active Directory, sets a maximum age for a user’s password. If the password age exceeds this value, it is considered expired,…

You can use the Mudslide console client to send messages to the WhatsApp messenger directly from the command line (shell) or script. Sysops often use it to send notifications to…

Checking a downloaded file’s hash (checksum) allows verifying its integrity and ensuring that the file contents have not been modified. Administrators commonly use MD5/SHA256 checksum verification for downloaded OS distros…

A complete history of software installations, updates, and removals on a computer can be found in Windows Event logs. These logs can also be used to identify the specific user…

In PowerShell scripts that prompt for a username and password, you sometimes have to validate the entered user credentials before performing any actions. If the user has entered an incorrect…

In Windows, the built-in Task Scheduler can be used to perform an action according to a schedule or when a certain event occurs. This guide explains how to configure a…