Some Mac Terminal app users may find that their zsh prompt and Mac host name at the command line randomly sets itself to “@unknown”, or some variation of that. Opening the Terminal, you might find your prompt is something like “@unknown92844982″, @unknown184Afb84.home”, @UNKNOWN, or some variation of “@unknown” with a bunch of alphanumeric characters on … Read More
ASCII art is a unique plain text art style that you might have seen over the years when connecting to a remote server via the command line, or perhaps a BBS, or something silly like watching Star Wars in ASCII art from the Terminal. It’s a distinct style of artwork for plain text situations on … Read More
If you’re a command line enthusiast and you’re the type of Mac user who likes to keep an eye on your system resources and resource utilization, you’ll likely enjoy checking out the btop command. btop offers real-time visualization of CPU usage, memory use, processes, network activity, and disk activity. You can even use btop as … Read More
The Mac command line tool tart continues to offer one of the simplest and fastest ways to setup a new virtual machine, and setting up a Tahoe VM is no exception. Whether you’re a developer, tinkerer, tester, or just someone who wants to give the latest MacOS Tahoe 26 operating system a trial run without … Read More
Homebrew is a powerful command line package manager that allows you to easily install, update, and manage popular command line programs and tools, as well as traditional graphical apps with cask (and third party tools like Applite help you manage cask through the GUI too). It’s a popular tool with advanced Mac users and those … Read More
Advanced Mac users who are savvy with the command line can rapdly build a MacOS Tahoe 26 beta virtual machine by issuing a few commands into the Terminal, with the help of tart. tart is a command line tool for managing virtual machines, and it’s one of the absolute fastest ways to get a virtual … Read More
If you’re running macOS Sequoia or macOS Sonoma, you might occasionally find yourself in a situation where you need to flush the DNS cache on your Mac. This can be necessary to fix DNS related issues or errors, to clear out outdated DNS settings or records, to resolve issues with certain websites, or even to … Read More
Advanced Mac users may wish to manually increase the VRAM allocation on their Apple Silicon Mac for performance reasons when engaging in graphics intensive tasks like running LLMs locally, AI models, or any graphics heavy applications, whether for gaming or video editing. This is possible because Apple Silicon chips offer unified memory architecture, meaning the … Read More
Command Line Tools are an optional component of Xcode that bring a variety of advanced utilities to the Mac command line, including compilers, debuggers, and other essentials for software development and command line tinkering. But not everyone has to be a developer to require Command Line Tools be installed on their Mac, because the suite … Read More
Llama is a powerful large language model (LLM) developed by Meta (yes, the same Meta that is Facebook), that is able to process and generate human-like text. It’s quite similar to ChatGPT, but what is unique about Llama is that you can run it locally, directly on your computer. With a little effort, you’ll be … Read More
Want to try running Ubuntu Linux on your Apple Silicon Mac? You can do that easily, running Ubuntu right alongside MacOS, and without having to deal with any partitioning, installation headaches, dual booting, or loss of the Mac operating system itself. This is possible with the help of virtual machines, which allow you to run … Read More
If you have used Homebrew to try and install a particular package onto an Apple Silicon Mac and you see an error message stating “The arm64 architecture is required for this software” that prevents the installation of the package, you might be surprised by this error message given that you’re using an Apple Silicon Mac … Read More
There are various ways to monitor CPU usage on a Mac, with perhaps the two most common being with Activity Monitor on the graphical interface side of things, and htop or top on the command line side. While you can show an optional core graph in Activity Monitor, and htop will show CPU core activity … Read More
If you use Node.js for web development, creation of web apps, and javascript based network applications, you undoubtedly may come across situations where you’d like to make sure that the latest version of Node.js is installed on your Mac. Upgrading to the latest version of Node.js means you’ll have access to the most recent features … Read More
There are various ways to check the health of a hard disk drive (HDD) and solid state drive (SSD) that is used on a Mac with drives that support SMART, which stands for Self-Monitoring Analysis Reporting Technology. These options range from fairly simple using Disk Utility to check the SMART status of a drive, to … Read More
If you have a video file in MOV format, you may wish to convert the MOV video to MP4 format instead. While there are a variety of methods for converting MOV to MP4, the approach we’re going to address here is by using the command line, with a super easy to use and free tool … Read More
If you’re a Windows user, whether on a PC, in a dual boot environment with Boot Camp on an Intel Mac, or you’re running Windows 11 in a virtual machine on an Apple Silicon Mac, you may have an interest in installing Windows Subsystem for Linux, or WSL. Windows Subsystem for Linux puts a full … Read More
If you’re at the command line and perhaps interacting with Homebrew, Git, or similar, you may run into an error message that says something like the following “warning: unable to access /Users/Name/.config/git/attributes” : Permission denied”. This error message sounds more alarming than it is in most cases, but regardless, you likely want to fix the … Read More
