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.

Excel Ctrl + Q shortcut

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Formatting in Excel is an important aspect that helps make your data more visually appealing and easier to understand. In addition, formatting can also help improve the readability of your Excel tables. One easy way to apply formatting in Excel…

How to Compare Text Values in Excel

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In Excel, you can handle comparisons between text values using various methods and functions. Here are some approaches: Each method serves different purposes in comparing text values, allowing you to perform various text-based operations and comparisons within Excel. FAQ What…

How to create Pivotable in Excel

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PivotTables is an incredibly powerful tool in Excel that enables you to quickly summarize and analyze large amounts of data. They allow you to create summaries, calculate totals, filter data, and perform other statistical analyses. PivotTables are especially useful when…

Solution for “Your account has expired” in Linux

In Linux systems, user accounts can expire based on password expiration, account expiration dates, or inactivity policies. When an account expires, you may encounter login failures and restricted access to system resources. What Does “Account Expired” Mean? An expired account…

How to make Linux user password never expire

To ensure a user’s password never expires in Linux, leverage the chage command—a tool specifically designed for altering user password expiration settings. As a root user, execute the following command: Replace <username> in the command with the actual username. Breaking…