Java (JRE/JDK) – Check version installed

The Java development kit (JDK) contains tools for Java development, and the Java Runtime Environment (JRE) contains a JVM to convert byte code .class to machine code, and execute it, in short, the JRE runs Java program. In this this article we will see different methods to check which version is installed on a Linux/Windows system. Read More …

Read content of compressed file (.zip file) using PowerShell [New Question]

A quick question, answered on Heelpbook, about “Read content of compressed file (.zip file) using PowerShell”, something that could be useful in some scenarios like testing or development to extract programmatically needed files from dev kits. Read More …

Downgrade nodejs when needed using CLI [New Question]

A quick question, answered on Heelpbook, about how to “Downgrade nodejs when needed using CLI”, on both Windows and Linux platforms. Here two available methods (they are not the only ones) to downgrade nodejs (and npm) using command line approach. Read More …

Clear Event Logs with Powershell (Microsoft Windows)

Let’s see how to quickly clear all available Event Logs on modern Windows clients and servers (this is usually useful on test systems and for troubleshooting, sometimes, but after a backup of all Event Logs). Read More …

Clear Clipboard by using Command Prompt, Shortcut and Context Menu

On any computer system, in a layman language, when you copy or cut some content to paste somewhere, it is stored on RAM for a short period until you copy or cut another content. Now if we talk about clipboard, you will get some idea of what it is and how it works. In the following section we will see how this function works on a Windows platform and how to properly clearing it easily using multiple methods. Read More …