Apple changed their default file system from their Hierarchical File System (HFS+) to Apple File System (APFS) arround 2016 with the release of MacOS High Sierra. APFS is a modern “copy on write” file system but if you are used to a file system like ZFS it was a bit of a disapointment. The biggest issue most people had was the lack of tools provided by the system for managing and using the features of APFS. With time the situation improved but it is still not quite there yet. The commands below are tested on MAcOS Monterey. Some may work on older versions. Read more

find is one of the Unix utilities that is most often used. As the name says it is used to find something i.e. files. It has many options you can use to specify which files to look for. One of the simplest uses is find . -name somefile that will look for the file named somefile in the current directory. If you use find . -iname somefile a case insensitive search will be done for somefile. Read more

Note: This article seems to be quite popular. It was written in December 2019 but the Powershell Binaries may have been improved in the meantime. I have updated Powershell on Mac since then without issue and haven’t checked if the location of the libraries are still hard coded or if an older version of SSL is till required. I often need to run a remote session in powershell e.g. managing online exchange. Read more

There is a new version of macOS out (at the time of writing 10.14 Mojave) and you want to upgrade. For the past few upgrades and this one Apple provided the update via the App store. This is all fine and well if you have a good unmetered(uncapped) internet connection to download the +- 5Gbyte installer. The big catch with the installer is if you follow the default install procedure the installer deletes itself after the install. This if of course a real problem if you want to update more than one Mac, especially if you pay per byte for your internet connection or if it is really slow. Read more