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.

4 Ways to check memory usage in Linux

In this blog post, we will discuss four easy ways to check memory usage in Linux. This is an important task for any system administrator or anyone who wants to keep track of their system’s performance. By following the instructions…

3 Ways to check CPU Cores in Linux

In this blog post, we will discuss 3 different ways to check the number of CPU cores in Linux.  Each method has its own advantages and disadvantages, so be sure to read through all of them before choosing the one…

3 Ways to Sort files by Size in Linux

When dealing with a large number of files in a Linux system, organizing them based on their sizes can be immensely helpful. In this post, we will explore three different ways to sort files by size in Linux, each providing…

5 ways to Check SSH Connection refused Issue

The “SSH Connection refused” error is a common error encountered when attempting to connect to a remote server via SSH. If the remote server is not accepting connections on this port, the connection will be refused and the user will…