If you’re a developer or Linux enthusiast using the Z shell (zsh) on Ubuntu, you’ve probably encountered the infamous: zsh: command not found: <command> This error is frustrating, especially when you’re certain the command should work. Whether you’ve just installed zsh, configured oh-my-zsh, or migrated from bash, these errors can break your workflow. In this

If you’ve worked with Node.js and used npm (Node Package Manager), you’ve likely come across warnings during installation like: bash npm WARN deprecated <package-name>@<version>: This version is no longer maintained. These messages can be confusing — especially for beginners — and may cause concern about your project’s stability. But don’t worry: they’re usually informational warnings,