it-systeme

christoph ender it operations · networking · software development

about

Hi there! These pages are intended to share notes and experiences from my work as an IT freelancer – yes, you can hire me – working in OPs, networking and development.
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contact

mobile: +49 (0)171 1592365
e-mail: christoph.ender@it-sys-ce.de
pgp: 0fe1e446f585711c3d56d45154f51a402f3c6660 2f3c6660
mastodon: @chrender@mastodon.social

latest blog entry: “restoring data from macOS addressbook backup”

Today I noticed that one of my contact cards from my macOS's address book was missing. Since I've got Apple's advanced data protection enabled, there's no way to rewind the address book via icloud.com. To work around this I'm regulary creating local backups using address book's “Choose File” → “Export” → “Contacts Archive”. I didn't want to simply restore last week's backup though, I rather frist wanted to know what had changed between last week's and today's state. I also didn't want to run a restore operation since I've linked two external carddav accounts into the address book and I had no idea what would happen to them.

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