How to delete a user account on Ubuntu Linux
It is always a good idea to delete unwanted or unused user accounts on Ubuntu Linux or any other operating system for security reasons. This page shows how to remove…
List all ports opened in windows (netstat -nb)
Maybe you’re troubleshooting a network connectivity issue for a specific program, and you need to check whether its port access is open. What if you need to confirm that your…
Where does Homebrew install packages on Mac?
By default, Homebrew will install all packages in the directory /usr/local/Cellar/, and also creates symbolic links at /usr/local/opt/ and /usr/local/bin/ (for executable files). Tested with Homebrew 2.7.2 and macOS Big…
How to set JAVA_HOME on Windows 10?
This tutorial shows you how to set a JAVA_HOME system variable on Windows 10. Tested with :Windows 10JDK 1.8
How to install Maven on macOS
This article shows how to install Maven (3.6.3) on macOS Big Sur (version 11.1). We can use Homebrew to install Maven on macOS . If Homebrew failed you or you…
How to install Maven on Windows
To install Apache Maven on Windows, you just need to download the Maven’s zip file, unzip it to a folder, and configure the Windows environment variables. Tested with :JDK 10,…
How to install Maven on Ubuntu
In this tutorial, we will show you how to install Apache Maven on Ubuntu. Tested with: Maven 3.5.2, Ubuntu 18.04 . Before the Maven installation, make sure JDK is installed…
How to Set JAVA_HOME environment variable on macOS
This article shows how to set the $JAVA_HOME environment variable on older Mac OS X and the latest macOS 11. Steps to set the $JAVA_HOME environment variable on macOS: 1…
How to set environment variable on Ubuntu
On Ubuntu, there are two system-wide environment variables, both files need admin or sudo to modify it. First one is /etc/environment – It is not a script file, purely assignment…
How to install Java JDK on macOS
This article shows how to install Java JDK on macOS, Homebrew package manager, manual installation, and switch between different JDK versions. Tested with: macOS 11 Big Sur; Homebrew 2.7.4J; DK…