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 change timezone in Linux

Do you need to change your timezone on Linux for some reason? There are two ways that you can do this. In this blog post, we will discuss both methods and show you how to execute them. Changing your timezone…

4 Ways to improve Largest Contentful Paint

Page load times are a critical factor for any website. The faster your pages load, the more likely users are to stick around and engage with your content. One way to measure and improve page load times is to focus…

3 Ways to find EC2 instance region info in AWS

When you are working with Amazon EC2, it’s important to know which region your instance is running in. If you’re not sure how to find this information, don’t worry! We will show you three different ways to do it. Let’s…

3 ways to check AWS EC2 instance type

If you’re running a business on Amazon Web Services (AWS), then you know that instances are an important part of your infrastructure. It’s crucial to be able to identify your EC2 instances easily so that you can manage them effectively.…

Best solution to use VPN for restricted countries

A VPN is a program installed on your device that redirects your internet connection through its own servers around the world. This allows you to virtually change your location online, with the effect of making you more anonymous, and tricking…

Best and Fastest DNS servers For Streaming

The Domain Name System (DNS) is the phonebook of the Internet. Humans access information online through domain names, like hulu.com or hbo.com. Web browsers interact through Internet Protocol (IP) addresses. DNS translates domain names to IP addresses so browsers can…

3 ways to change time in Linux

In the Linux operating system, accurately managing time is crucial for various tasks, such as scheduling events, maintaining system logs, and ensuring synchronized operations across multiple systems. Fortunately, Linux provides several methods to change and adjust the system time. Whether…