If you want to change your MAC address in macOS Monterey or Big Sur, you can use the traditional method to spoof a MAC address, or you can use a slightly easier approach by using a command line tool called spoof-mac. We’ll be covering the mac-spoof method here, which relies on HomeBrew.
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Fix Git not working after macOS Update (xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools)
Some Mac Terminal users may discover git, pip, HomeBrew, and other command line tools may fail or not work as intended with an error message stating “xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools)”. Sometimes these command line tools stop working after a macOS system software update, but they worked previously. Fortunately it’s easy to fix … Read More
Can’t log in to your Mac because you forgot or lost your user password? That can be stressful, but don’t freak out quite yet. Whether it’s your primary admin password or password to a standard user account on someone else’s mac, you can reset it in a couple of minutes.
If you have an Intel Mac, you can make it boot directly into the boot disk options startup manager by issuing an nvram terminal command. This could be helpful for advanced users in particular whether they’re troubleshooting, have dual boot situations with multiple versions of macOS, macOS and Windows 10 in Boot Camp, macOS and … Read More
Want to update Homebrew and your packages? Of course you do! Homebrew is a popular package manager for Mac that easily allows users to install and manage command line tools, apps, and utilities, typically familiar with the Linux and Unix world. Because it’s a package manager, you won’t need to manually build anything from source … Read More
If you’re a Homebrew fan and an Apple Silicon Mac user, you’ll be happy to discover the latest versions of Homebrew (3.0.0 and beyond) now natively support Apple Silicon architecture. You’ll still need Rosetta 2 to have some packages and formulae to work, but many are already native supported by the command line package manager.
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 … Read More
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 … Read More
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 … Read More
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 … Read More
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 … Read More
Some Mac users may wish to create a bootable MacOS Catalina installer drive, typically using a USB flash drive or with another similar small boot disk. Bootable USB installers offer an easy way to upgrade multiple Macs to macOS Catalina, to perform clean installs of MacOS Catalina, to perform maintenance from a boot disk like … Read More
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 … Read More
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 … Read More
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, macOS Big Sur 11, and later. Depending on the situation, this may be accompanied by … Read More
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 … Read More
Want to change the screen brightness on Mac from the command line? You can use the Terminal to adjust screen brightness to be brighter or dimmer with a few different methods, as we’ll demonstrate here. First we’ll show you a handy way to increase or decrease Mac screen brightness using osascript at the command line, … Read More
Rarely, you may attempt to unzip a zip archive and come across an error that states “End-of-central-directory signature not found. Either this file is not a zipfile, or it constitutes one disk of a multi-part archive. In the latter case the central directory and zipfile comment will be found on the last disk(s) of this … Read More