Category: terminal

How to Make a MacOS Big Sur ISO File

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Some advanced users may wish to create an ISO file of the macOS Big Sur installer file (or MacOS Catalina installer, or MacOS Mojave installers for that matter). These can be useful for installing MacOS into virtual machines like VirtualBox and VMWare, and because the resulting installer is an ISO file it can be helpful for creating an alternative installer media whether on an SD Card, external hard drive, USB flash key, or similar, especially when the typical approach to creating a bootable USB installer drive for MacOS Big Sur is not viable or possible.

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How to Run Homebrew & x86 Terminal Apps on M1 Macs

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If you’re one of the early adopters who acquired an M1 Apple Silicon Mac and find that Homebrew and many other x86 terminal apps don’t yet have support for the new Arm architecture, you’ll be happy to know there’s a fairly simple workaround.

The trick is to run a parallel Terminal application through Rosetta. And yes that means you’ll need to install Rosetta on the Apple Silicon Mac first, if you haven’t done so already.

How to Run x86 Homebrew & Terminal Apps on Apple Silicon Macs

Here’s the workaround until native support arrives:

  1. Locate the…

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How to Copy at Command Line Showing Progress & Speed Indicator

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Ever wished you could see the transfer progress and speed of copying files at the command line? If you’re familiar with the command line of Mac OS, Linux, or any other Unix operating system, you likely use the ‘cp’ or ditto commands to copy files, directories, and other data. The ditto and cp command is great, but one downside is that cp does not include a progress indicator, and that’s what we’re going to resolve here by creating an alias to use an rsync command with a progress indicator to copy data at the command line.


Obviously this is aimed at…

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How to Create macOS Big Sur Beta Bootable USB Install Drive

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Advanced Mac users often want to make a boot disk installer for macOS Big Sur beta, allowing for something like a USB flash drive to be used to boot and install macOS Big Sur onto any compatible Mac.

Bootable MacOS installer USB drives provide for the ability to clean install macOS Big Sur, update to macOS Big Sur, install macOS Big Sur beta onto multiple Macs without redownloading the installer, as well as the ability to use Disk Utility to partition and erase a machine, perform Time Machine restorations, and more.

If you’re interested in creating a macOS Big…

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How to Convert a MacOS Installer to ISO

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Advanced Mac users may wish to convert a MacOS Installer application into an ISO file. Typically the resulting installer ISO files are used for installing macOS into virtual machines like VMWare or VirtualBox, but they can also be used to burn the ISO to media to create a boot disk. This offers an alternative to creating a bootable USB flash drive for MacOS installers as well.

This tutorial will walk through the steps to create an ISO file of a MacOS installer.


In this particular walkthrough, we’ll be converting a MacOS Mojave installer application into an…

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What Are Relocated Items in macOS Catalina & Can I Delete Them?

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If you have updated to MacOS 10.15 Catalina or later from an older version of Mac OS, you might find a new folder on your Desktop called “Relocated Items”. The Relocated Items folder can be confusing and look scary, especially if you aren’t expecting to see it. But you needn’t worry – the folder is a perfectly normal part of the MacOS upgrade process. Read on to learn what the Relocated Items folder on the Mac desktop or in the Shared folder of User folder is, and what you can do with it.

What is the “Relocated Items” in MacOS

Though it’s not…

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How to List All Cron Jobs on a Mac or Linux PC

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Need to quickly see a list of all cron jobs on a computer? You can easily see all scheduled cron jobs by using the crontab command, and seeing cron data works the same on Mac as well as Linux and most other unix environments too.

Perhaps you have a script or task running and you’re trying to track it down, or perhaps you’re just curious and want to show all crontab for any other reason. Read on to learn how to show all cron jobs for all users, as well as for specific users on a computer.

How to Show All Cron Jobs

At the Terminal or command line, enter the…

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How to Enable Startup Boot Sound Chime on Newer Macs

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Want to re-enable the startup boot chime sound effect on a new Mac? You can do that with a command line string entered into the Macs Terminal. As you may know, new Macs default to not making a startup boot chime sound effect, this is in contrast to every prior Mac model which included a boot sound effect.

With a little effort, you can enable the boot startup sound effect on modern Macs however, including newer model MacBook Pro, MacBook Air, MacBook, iMac, Mac mini, and Mac Pro.

How to Enable Startup Chime on Macs

Here is how you can enable the Mac startup boot…

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How to Fix Cron Permission Issues in MacOS Catalina & Mojave

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Some advanced Mac users may have noticed that certain shell scripts with cron, cron jobs, and crontab are either not working at all, or not able to function properly in the newest versions of MacOS, notably Mojave 10.14, Catalina 10.15 and later. Depending on the situation, this may be accompanied by a permissions error, an operation not permitted error, or a script or cronjob may simply fail silently in the background. While there are numerous reasons a cronjob may fail, strict security measures in the latest MacOS releases may also be at fault and cause problems…

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How to Download Full MacOS Installers from Command Line

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Mac users can download full complete MacOS installers directly from the command line. This is an incredibly useful feature particularly if you want to build USB boot drive installers, you manage multiple Macs, or you simply want to have full access to a complete installer application of MacOS for any other purpose.

With this particular trick, you can download complete “Install MacOS” application packages directly from the Terminal application, and it works to get full installers of MacOS Catalina, Mojave, and High Sierra too.


This particular…

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