Recently, I had to go through this process to work out what to do when my friend’s Macbook wouldn’t start.
Here’s a reminder of the things I tried:
Start in Safe Mode. Do this by holding down the Shift key while starting. Release Shift when you see the Apple logo and this spinning thing.
Start in Single User [...]
Continue reading about Troubleshooting a Mac that won’t start
I’m fed-up with forgetting the simple syntax for this!
useradd -c “<comment about user>” -d <home_directory> -m -s /bin/bash -g <primary_group> -G <secondary_groups, comma delimited> <user_id>