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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.

5 useful Options for Linux Find command

Linux find command is one of the most powerful tools in the Linux system administrators’ arsenal. The basic syntax for the find command in Linux is: find [path] [expression] where path is the starting directory for the find command, and…

Linux Command: Get hardware vendor info on Linux

Introduction Whether you’re taking inventory of a fleet of servers, filing a support ticket, checking warranty status, or just figuring out what’s actually inside a machine you inherited, you’ll need to know the hardware vendor and model. On Linux, this…

Podman Command Cheat Sheet on Linux

Podman is a Linux native tool designed to find, run, build, share and deploy applications using Open Containers Initiative ( OCI) Containers and Container Images. We collect this basic podman cheat sheet to help you learn it efficiently. podman run…

Basic Linux Commands for Linux Beginners

Basic Linux commands are key skills for Linux beginners. We collect 10 basic Linux commands to help Linux beginners learn faster. If you want to get a job as Linux admin or Cloud engineer, the command line is fundamental. We…

12 Basic Linux Commands for Beginners

Linux commands are very important for Linux beginners. Here are 12 basic Linux commands for Linux tasks. Hope this can help beginners learn Linux quickly. pwd command – prints the current working directory It prints the location of your current…

10 Useful Linux Cat Command Examples

The cat (concatenate) command is one of the most frequently used utilities in Unix/Linux systems. While it’s often seen simply showing file contents, it can do much more—including creating, combining, inspecting, and transforming text streams efficiently. Below are 10 practical,…

20 Advanced Tcpdump Examples in Linux

tcpdump examples

You’ve dipped your toes into tcpdump, maybe caught a few web packets or seen your router chatting away. That’s a great start! But what if you need to go deeper? What if you’re chasing a phantom network issue, analyzing application…