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How to fix: “You have mail” in macOS Terminal app
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
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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How to uninstall a Ruby gems that are no longer needed
Every time we perform an update with
Continue reading →gem updatethe default behaviour is to install a new version of a gem and continue maintaining the older version of that gem. Most likely, if you have been using Ruby for a while, your system will be full of gems, and more specifically, outdated gems. So how do we uninstall a Ruby gems that are no longer needed? In this tutorial, you’ll learn how to uninstall a Ruby gems. -
How to update Pi-hole to the latest version
Pi-hole is a fantastic product for your home network that allows ad blocking at the network level. I thought that it is updated in the same way as all other parts of the system; using the
Continue reading →sudo apt-get updateand thensudo apt-get upgrade. But when I logged into my Pi-hole web interface yesterday, I saw a red message sayingPi-hole Version v4.3.1 (Update available!). So how do I update my Pi-hole? In this tutorial, you’ll learn how to update Pi-hole software to the latest version. -
How to add an app-ads.txt file to a website
Google strongly recommend that we use an
Continue reading →ads.txtandapp-ads.txtfiles. This files can help protect our brand from counterfeit inventory that’s intentionally mislabelled as originating from a specific domain, app, or video. In this tutorial, you’ll learn how to create and add an app-ads.txt file to your website.
