David Cao

David Cao

David is a Cloud & DevOps Enthusiast. He has years of experience as a Linux engineer. He had working experience in AMD, EMC. He likes Linux, Python, bash, and more. He is a technical blogger and a Software Engineer. He enjoys sharing his learning and contributing to open-source.

2 ways to shut down Linux system

There are a couple of ways to shut down Linux. In this blog post, we will discuss two different methods: using the shutdown command and using the halt command. Let’s get started! Procedures to shutdown Linux   Shut down Linux…

2 ways to create a directory in Linux

This article is part of the following series.   Creating directories in Linux can be a little tricky, especially if you are not familiar with the command line. In this blog post, we will discuss two different ways to create…

3 ways to create a file in Linux

In Linux, there are a few ways that you can create a new file. In this blog post, we will discuss four of the most common methods. We will also provide some tips on how to choose the right method…

5 ways to unblock websites on iPhone

Imagine this: You’re trying to check a website, and boom – you hit that frustrating “This site can’t be reached” message. Annoying, right? Whether you’re trying to check social media at school, stream your favorite shows abroad, or access essential…

4 ways to troubleshoot a slow website

If your website is running slow, you are losing money. According to a study by Akamai, 47 percent of people will leave a website that takes more than three seconds to load. That’s a lot of potential customers walking away!…

2 ways to check disk IOPS in Linux

This article is part of the following series.   In this blog post, I will share two primary methods to check disk IOPS (Input/Output Operations Per Second) in Linux, a critical metric for assessing the performance and health of your…

3 ways to check kernel version in Linux

If you’re a Linux user, it’s important to know your kernel version. The kernel is the core of the operating system, and it’s responsible for managing hardware and software resources. In this blog post, we will discuss three different ways…

4 ways to check swap space in Linux

In Linux, the swap space is used as a place for the operating system to store data that it can no longer fit into the main memory. If your server starts to run low on memory, the operating system will…

3 ways to change hostname in Linux

Do you want to change the hostname in Linux? There are three different ways that you can do this: through the command line, through a configuration file, or through a GUI tool. In this blog post, we will discuss each…