David Cao

Sometimes you need to know exactly when a process began running on Linux. Maybe the system feels slow. Maybe you’re tracing a bug. Or maybe you just want to confirm when a service started. Here are three quick ways to…

If you’re a programmer, you’ve probably heard of Vi and Vim. But did you know that they’re more than just text editors? In fact, they’re two of the most powerful tools in your programming arsenal. Vi and Vim are both…

This article is part of the following series.   In Linux, you can add a user to a group in several ways. In this post, we’ll show you three different methods for doing so. To add a user to a…

This article is part of the following series.   In this blog post, we will be discussing how to check the current directory in Linux. There are a few different ways to do this, but we will be focusing on…

In this blog post, we will discuss three different ways that you can lock a user account in Linux. Locking user accounts is an important security measure that can help protect your system from unauthorized access. Each of the methods…

This article is part of the following series.   In Linux, the home directory is where user data is stored. This can be useful for finding files that belong to a particular user, or for troubleshooting purposes. To find a…

To check the last modified time of the file in Linux, you can use the stat command, the ls command or the date command. These commands display detailed information about a file, including when it was last modified. In this…

This article is part of the following series.   In Linux, every user has a unique user id (uid) that is used to identify them. This number is assigned when the user account is created, and it remains the same…