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.

Essential Ansible Tips for Effective Automation

In today’s fast-paced IT landscape, automation is no longer just an option; it’s a necessity. Among the many tools available, Ansible stands out as a powerful automation framework that simplifies the management of complex systems. This article will delve into…

Linux tips: Shell Script Guide

Linux shell script Tips Mastering Linux shell script Shebang Line To specify the script interpreter: Example: #!/bin/bash at the top of your script tells the system to execute the script with bash. Command Effect #!/bin/bash Specifies bash as the interpreter…

Linux Tip: Quickly Search Text with grep

In Linux, grep is a powerful text search tool that helps you find specific strings within files. Its basic syntax is grep [options] ‘search_string’ filename. For example, if you want to find all lines containing the word “error” in a…