![]() r-x means the file can be read and executed, but not written to.rwx means the file can be read, written, and executed.If the final character is an at sign ( then it signifies that the file or folder has extended file attributes relating to security, giving certain apps (like Finder) persistent file access. RELATED: How macOS Catalina's New Security Features Work Setting File Permissions This is related in part to new security features introduced in macOS Catalina, although file access control lists (ACLs) have been a Mac feature since macOS X 10.4 Tiger back in 2005. To set file permissions, you’ll use the chmodcommand at the terminal. To remove all existing permissions, set read and write access for the user while allowing read access for all other users, type: chmod u=rw,g=r,o=r file.txt The use of an equal sign ( =) wipes all previous permissions for that category.Building a Development Environment: New Macbook Pro 2015, OS X Yosemite The u flag sets the permissions for the file owner, g refers to the user group, while o refers to all other users. #BATCHMOD MAC RESET PERMISSIONS PKG FILES PRO# ![]() The premise is simple: I have a new MBP 2015 (aka 2015 or ’15,) and it’s time to build my development environment. My previous dev environment was a MBP 2009 (aka 2009 or ‘09,) running OS X Mavericks resulting from a series of upgrades starting with Snow Leopard. #BATCHMOD MAC RESET PERMISSIONS PKG FILES SERIES# For various reasons, it’s time to build the dev environment from scratch. Primarily, I’m finding it nearly impossible to restore the Mavericks system onto Yosemite, even with Migration Assistant. The failure stems from moving my home folder to a second volume, which Migration Assistant ignores.Īnother reason to build from scratch is, well, it’s time to build from scratch. The last time I built from scratch was several years and three OS versions ago, on Snow Leopard.įinally, the SSD drive in the new 2015 MBP is smaller than the upgraded hybrid drive in the 2009. I’m not thrilled with this state of affairs I got used to having almost 1TB available, so 500GB is feeling cramped. On the other hand, I’m sure there is some deadwood I’ve been dragging along that I really don’t need and won’t miss. So, the rest of this post is a chronicle of app installations, dev environment configurations, and OS X customizations. I’m mostly interested in not losing track of how to do a build from scratch, but if this post helps anyone else, then so much the better. My normal MO is to create a recovery USB in case everything goes sideways. ‘Turns out, though, the new MBP won’t boot a ‘bootable’ USB installer - not even the currently-installed version of Yosemite. In fact, the App Store won’t allow the download at all, indicating that Yosemite is already installed. I had to use my ‘09 to download Yosemite and prepare the USB. ![]() #BATCHMOD MAC RESET PERMISSIONS PKG FILES DOWNLOAD# Instructions on how to do this are on the other end of a Google search, of course. #BATCHMOD MAC RESET PERMISSIONS PKG FILES HOW TO# using the createinstallmedia utility found in the Yosemite installer app package contents.manually via Disk Utility, by restoring.dmg images and copying certain portions of the Yosemite installer individually Now, the need for a bootable USB have apparently been superseded by the OS X Recovery Partition on the disk itself. Terminal command to make hidden files visible in Finder, defaults write AppleShowAllFiles TRUE killall Finder If the Recovery Partition fails for any reason, then Internet Recovery can recover OS X over-the-wire from Apple’s servers. This can also be configured in the Onyx GUI. #BATCHMOD MAC RESET PERMISSIONS PKG FILES DOWNLOAD#.#BATCHMOD MAC RESET PERMISSIONS PKG FILES SERIES#.#BATCHMOD MAC RESET PERMISSIONS PKG FILES PRO#.#BATCHMOD MAC RESET PERMISSIONS PKG FILES HOW TO#.
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