Page 11 | My Cyber Universe

How to create a bootable USB drive with macOS Catalina installer

February 7, 2020

Arthur Gareginyan

Mac OS

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Updated: February 8, 2020

You can use a USB drive (external hard drive or flash drive) as a startup disk from which to install the Mac operating system. This is called a bootable USB drive with macOS installer. To upgrade macOS or reinstall macOS does not require a bootable USB drive with macOS installer, but it can be useful if you want to perform a clean installation of macOS or when you want to install macOS on multiple Mac computers without having to download the installer each time. In this tutorial, I’ll show you how to create a bootable USB drive with macOS Catalina installer.
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How to fix: Missing window of Atom application

January 27, 2020

Milena Kiseleva

Error

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Updated: February 15, 2020

I recently faced with a strange problem when using the Atom application that I use on my laptop MacBook Pro with macOS Catalina 10.15. For some reason I could not open the window in the Atom application. The top bar menu of the application is there and the items are can be selected and pressed, but nothing happens. Even restarting the application does not help. In this article I will show you how to fix this problem in 3 seconds. Let’s begin.
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How to install tools for working with Jekyll on macOS

January 24, 2020

Milena Kiseleva

Web

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Updated: February 27, 2020

Recently, I decided to transfer all my websites based on a combination of Jekyll + GitHub + GitHub Pages, from fully automatic building with capabilities of GitHub Pages hosting to manual building on my laptop MacBook Pro with macOS Catalina 10.15. In this article I will show you how to install in macOS the tools necessary for local work with websites built on the Jekyll platform. Let’s begin.
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How to fix: “You have mail” in macOS Terminal app

October 25, 2019

Arthur Gareginyan

Mac OS

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Recently I discovered the following; every new Terminal window that opened under macOS showing the mysterious notice You have mail.. In this tutorial, you’ll learn how to manage (read, delete, etc.) the mails from this notice.
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How to download a complete macOS Catalina installer app

October 18, 2019

Arthur Gareginyan

Mac OS

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Updated: October 20, 2019

Attempting to download macOS Catalina from the Mac App Store you may find that a small version of the “Install macOS Catalina.app” file downloads to the “Applications” folder, rather than the complete 8.1 GB installer file.
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