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zsh on macOS 10.15 Catalina

Back when bash was the default shell for macOS, I had updated the .bash_profile file to change the prompt on my computer. Well, that doesn’t work with zsh, it seems. In bash, I had it set by adding this line to the ~/.bash_profile file. export PS1=”\d \t \w   💩  ” Now in zsh is in the ~/.zshrc file, and just copying and pasting that into it didn’t work. It doesn’t seem to like the \ commands. Turns out that it now uses % commands, but it’s not a one to one relationship, so I thought I’d map it out to try to figure out what is what, because Googling… Read More »zsh on macOS 10.15 Catalina

Find a Mac’s serial number in Recovery Partition or the macOS installer

I couldn’t find this anywhere, so I thought I’d blog about this. Thanks to the #general channel on the MacAdmins Slack for the help. To find a serial number for a Mac when booted into the Recovery Partition or the macOS installer, to go Utilities and choose Terminal, type in ioreg -rd1 -c IOPlatformExpertDevice | awk -F'”‘ ‘/IOPlatformSerialNumber/{print $4}’ That’s it, it will output the serial number for the computer.

NetGear ReadyNAS Time Machine Backup

It seems you cannot mount your Time Machine backup on a ReadyNAS device using normal credentials. Time Machine is segmented off with a special user. Which means I needed to restore my computer using Migration Assistant. It took FOREVER over wifi. However, I seem to be missing my Aperture Libraries. What’s the solution? Assuming it was backed up, I need to find the sparsebundle. It took a lot of searching, but I found it, and will share my brilliance with you in case you ever need to find it, too. /data/.timemachine To access: SSH in as root. Then copy the files to a SMB or AFP accessible directory. cd /data/.timemachine… Read More »NetGear ReadyNAS Time Machine Backup