Redundant Mac OS

Redundant Mac OS

Thomas Staton asks about backup strategies:
Mac Serial Generator - Generate complete sets of Serial Numbers for OSX-KVM, Docker-OSX and of course, OpenCore. sickcodes/osx-serial-generator. Mac OS (called simply 'System' until 1996) is an operating system by Apple that powered the Macintosh line of computers from 1984 to 2000. It was superseded by OS X from 2001 onward. Whether you know it or not, your Mac is designed from the ground up for redundancy. For example, OS X includes at least five ways to launch an application: Double-click it in the Applications folder. Improve Mac performance by cleaning redundant files. Advanced Mac Tuneup will clean up junk and redundant files you didn't even know existed and will boost the speed of your Mac. Let this genie work its magic and see your Mac's performance improve.
Since I have two backup drives, should I use Time Machine on both, or use cloning hardware on one and Time Machine on the other?
I'm a great fan of belt, suspenders, duct tape, and a spare belt. Time Machine and clones have different purposes, though you can use them to the same end in the right case. If you have a non-recoverable drive failure, you can either use a clone or a Time Machine drive to restore to the last backed-up point.
Time Machine's advantage is twofold in the right case. First, it's routinely backing up, so even as you work, some files are being written in backup form. Second, it has archives of previous versions of the same files.
However, using two drives as Time Machine destination provides redundancy in case one fails, but it doesn't provide diversity. If something goes wrong with one Time Machine backup, it's possible the other would be corrupted for the same reason. And you're not getting enough differential between them to have a more recent restore point, either, even if both work perfectly.
Cloning with something like Carbon Copy Cloner or SuperDuper typically happens on a schedule, so you won't have the latest version of a dead drive, but one that could be several hours out of date. A clone doesn't include older file versions, either. (Some cloning software can optionally archive files that differ between the original drive and the cloned version, however.)
However, because I store email remotely, and use Dropbox and other synchronized data tools, I'm more concerned with getting back to work faster than I am having an up-to-the-minute (or -hour) restore point of everything. Dropbox will resync after I restore.
I like the flexibility of a clone because Time Machine can be fussy and sometimes restores will fail for no diagnosable reason. I prefer using Time Machine to restore older file versions, and clones to restore entire drives. This is especially easy when the clone is written to a volume as a sparse disk image, which can be mounted by Disk Utility from OS X Recovery. Last year, I had a recent clone after a drive failure (which I'd made partly because I thought the drive was nearing death), and was able to boot into OS X Recovery, select the disk image from an external mounted drive, and write that to my new drive, and then boot from it.
Beyond the above, I strongly recommend you keep a recent backup, preferably in encrypted form, somewhere else. With two drives, you might use Time Machine as your regular backup, and cycle in the second drive from another location or a safe-deposit box for regular clones. You could also buy an inexpensive third drive, one that's USB-bus powered for compactness, just for this purpose. Multi-terabyte portable drives where you don't need high performance for use as an active drive are pretty cheap.
I also recommend having some form of hosted online backup, so that in the event of total destruction of your equipment, your files still live on in the ether. Backblaze, for instance, lets you back up your files and lock the encryption key with a passphrase that they never have access to, making you the only weak leak in the encryption chain. Many folks who have few applications installed rely on cloud services, and use web apps and Google Drive or Dropbox to make sure they have the very latest versions of every document they're working on.
The complete, easy guide to backing up your MacAsk Mac 911We're always looking for problems to solve! Email yours to mac911@macworld.com including screen captures as appropriate. Mac 911 cannot reply to email with troubleshooting advice nor can we publish answers to every question.
macOS Big Sur elevates the most advanced desktop operating system in the world to a new level of power and beauty. Experience Mac to the fullest with a refined new design. Enjoy the biggest Safari update ever. Discover new features for Maps and Messages. Get even more transparency around your privacy. Intimate codex mac os.
Chances are, your Mac can run macOS Big SurRedundant Mac Os CatalinaThe following models are supported:
MacBook (2015 or later)
MacBook Air (2013 or later)
MacBook Pro (Late 2013 or later)
Mac mini (2014 or later)
iMac (2014 or later)
iMac Pro (2017 or later)
Mac Pro (2013 or later)
To see which model you have, click the Apple icon in your menu bar and choose About This Mac.
Make sure you're ready to upgrade.Before you upgrade, we recommend that you back up your Mac. If your Mac is running OS X Mavericks 10.9 or later, you can upgrade directly to macOS Big Sur. You'll need the following:
OS X 10.9 or later
4GB of memory
35.5GB available storage on macOS Sierra or later*
Some features require an Apple ID; terms apply.
Some features require a compatible internet service provider; fees may apply.
Upgrading is free and easyUpgrading from macOS Catalina 10.15 or Mojave 10.14?Go to Software Update in System Preferences to find macOS Big Sur. Click Upgrade Now and follow the onscreen instructions.
Upgrading from an older version of macOS?If you're running any release from macOS 10.13 to 10.9, you can upgrade to macOS Big Sur from the App Store. If you're running Mountain Lion 10.8, you will need to upgrade to El Capitan 10.11 first.
If you don't have broadband access, you can upgrade your Mac at any Apple Store.
OS X 10.9 or later
4GB of memory
35.5GB available storage on macOS Sierra or later*
Some features require an Apple ID; terms apply.
Some features require a compatible internet service provider; fees may apply.
Super goo goo mac os. For details about your Mac model, click the Apple icon at the top left of your screen and choose About This Mac. These Mac models are compatible with macOS Big Sur:
MacBook (2015 or later)
MacBook Air (2013 or later)
MacBook Pro (Late 2013 or later)
Mac mini (2014 or later)
iMac (2014 or later)
iMac Pro (2017 or later)
Mac Pro (2013 or later)
SiriRequires a broadband internet connection and microphone (built-in or external). 
Hey SiriSupported by the following Mac models: 
MacBook Pro (2018 or later)
MacBook Air (2018 or later)
iMac Pro (2017 or later)
Dictation, Voice Control, and Voice MemosRequires a microphone (built-in or external).
Spotlight Suggestions

Requires a broadband internet connection.
GesturesRequires a Multi-Touch trackpad, Force Touch trackpad, Magic Trackpad, or Magic Mouse.
Force Touch gestures require a Force Touch trackpad.
VoiceOver gestures require a Multi-Touch trackpad, Force Touch trackpad, or Magic Trackpad.
Photo BoothRequires a FaceTime or iSight camera (built-in or external) or USB video class (UVC) camera.
FaceTimeAudio calls require a microphone (built-in or external) and broadband internet connection.
Video calls require a built-in FaceTime camera, an iSight camera (built-in or external), or a USB video class (UVC) camera; and broadband internet connection.
Apple TVHigh dynamic range (HDR) video playback is supported by the following Mac models: 
MacBook Pro (2018 or later)
iMac Pro (2017 or later)
Mac Pro (2019) with Pro Display XDR
Dolby Atmos soundtrack playback is supported by the following Mac models: 
MacBook Air (2018 or later)
MacBook Pro (2018 or later)
SidecarSupported by the following Mac models: 
MacBook (2016 or later)
MacBook Air (2018 or later)
MacBook Pro (2016 or later)
Mac mini (2018 or later)
iMac (late 2015 or later)
iMac Pro (2017 or later)
Mac Pro (2019)
Supported by all iPad models with Apple Pencil support: 
12.9-inch iPad Pro
11-inch iPad Pro
10.5-inch iPad Pro
9.7-inch iPad Pro
iPad (6th generation or later)
iPad mini (5th generation)
iPad Air (3rd and 4th generation)
Continuity CameraRequires an iPhone or iPad that supports iOS 12 or later.
Continuity Sketch and Continuity MarkupRequires an iPhone with iOS 13 or later or an iPad with iPadOS 13 or later.
HandoffRequires an iPhone or iPad with a Lightning connector or with USB-C and iOS 8 or later.
Instant HotspotRequires an iPhone or iPad with cellular connectivity, a Lightning connector or USB-C, and iOS 8.1 or later. Requires Personal Hotspot service through your carrier.
Universal ClipboardRequires an iPhone or iPad with a Lightning connector or with USB-C and iOS 10 or later.
Auto UnlockRequires an Apple Watch with watchOS 3 or later or an iPhone 5 or later.
Approve with Apple WatchRequires an Apple Watch with watchOS 6 or later or an iPhone 6s or later with iOS 13 or later.
Apple Pay on the WebRequires a MacBook Pro or MacBook Air with Touch ID, an iPhone 6 or later with iOS 10 or later, or an Apple Watch with watchOS 3 or later.
Phone CallingFree no deposit casino. Requires an iPhone with iOS 8 or later and an activated carrier plan.
SMSRequires an iPhone with iOS 8.1 or later and an activated carrier plan.
HomeRequires an iPhone with iOS 12 or later and a configured Home app.
AirDropAirDrop to iOS and iPadOS devices requires an iPhone or iPad with a Lightning connector or with USB-C and iOS 7 or later.
AirPlayAirPlay Mirroring requires an Apple TV (2nd generation or later).
AirPlay for web video requires an Apple TV (2nd generation or later).
Peer-to-peer AirPlay requires a Mac (2012 or later) and an Apple TV (3rd generation rev A, model A1469 or later) with Apple TV software 7.0 or later.
Time MachineRequires an external storage device (sold separately).
Maps electric vehicle routingRequires an iPhone with iOS 14 and a compatible electric vehicle.
Maps license plate restrictionsRequires an iPhone running iOS 14 or an iPad running iPadOS 14.

Requires a broadband internet connection.
GesturesRequires a Multi-Touch trackpad, Force Touch trackpad, Magic Trackpad, or Magic Mouse.
Force Touch gestures require a Force Touch trackpad.
VoiceOver gestures require a Multi-Touch trackpad, Force Touch trackpad, or Magic Trackpad.
Photo BoothRequires a FaceTime or iSight camera (built-in or external) or USB video class (UVC) camera.
FaceTimeAudio calls require a microphone (built-in or external) and broadband internet connection.
Video calls require a built-in FaceTime camera, an iSight camera (built-in or external), or a USB video class (UVC) camera; and broadband internet connection.
Apple TVHigh dynamic range (HDR) video playback is supported by the following Mac models: 
MacBook Pro (2018 or later)
iMac Pro (2017 or later)
Mac Pro (2019) with Pro Display XDR
Dolby Atmos soundtrack playback is supported by the following Mac models: 
MacBook Air (2018 or later)
MacBook Pro (2018 or later)
SidecarSupported by the following Mac models: 
MacBook (2016 or later)
MacBook Air (2018 or later)
MacBook Pro (2016 or later)
Mac mini (2018 or later)
iMac (late 2015 or later)
iMac Pro (2017 or later)
Mac Pro (2019)
Supported by all iPad models with Apple Pencil support: 
12.9-inch iPad Pro
11-inch iPad Pro
10.5-inch iPad Pro
9.7-inch iPad Pro
iPad (6th generation or later)
iPad mini (5th generation)
iPad Air (3rd and 4th generation)
Continuity CameraRequires an iPhone or iPad that supports iOS 12 or later.
Continuity Sketch and Continuity MarkupRequires an iPhone with iOS 13 or later or an iPad with iPadOS 13 or later.
HandoffRequires an iPhone or iPad with a Lightning connector or with USB-C and iOS 8 or later.
Instant HotspotRequires an iPhone or iPad with cellular connectivity, a Lightning connector or USB-C, and iOS 8.1 or later. Requires Personal Hotspot service through your carrier.
Universal ClipboardRequires an iPhone or iPad with a Lightning connector or with USB-C and iOS 10 or later.
Auto UnlockRequires an Apple Watch with watchOS 3 or later or an iPhone 5 or later.
Approve with Apple WatchRequires an Apple Watch with watchOS 6 or later or an iPhone 6s or later with iOS 13 or later.
Apple Pay on the WebRequires a MacBook Pro or MacBook Air with Touch ID, an iPhone 6 or later with iOS 10 or later, or an Apple Watch with watchOS 3 or later.
Phone CallingFree no deposit casino. Requires an iPhone with iOS 8 or later and an activated carrier plan.
SMSRequires an iPhone with iOS 8.1 or later and an activated carrier plan.
HomeRequires an iPhone with iOS 12 or later and a configured Home app.
AirDropAirDrop to iOS and iPadOS devices requires an iPhone or iPad with a Lightning connector or with USB-C and iOS 7 or later.
AirPlayAirPlay Mirroring requires an Apple TV (2nd generation or later).
AirPlay for web video requires an Apple TV (2nd generation or later).
Peer-to-peer AirPlay requires a Mac (2012 or later) and an Apple TV (3rd generation rev A, model A1469 or later) with Apple TV software 7.0 or later.
Time MachineRequires an external storage device (sold separately).
Maps electric vehicle routingRequires an iPhone with iOS 14 and a compatible electric vehicle.
Maps license plate restrictionsRequires an iPhone running iOS 14 or an iPad running iPadOS 14.
Boot CampDeath to all humans mac os. Allows Boot Camp installations of Windows 10 on supported Mac models.
Redundant Mass SpectrometerExchange SupportRequires Microsoft Office 365, Exchange 2016, Exchange 2013, or Exchange Server 2010. Installing the latest Service Packs is recommended.
Windows MigrationSupports OS X 10.7 or later and Windows 7 or later.
App StoreAvailable only to persons age 13 or older in the U.S. and many other countries and regions.
PhotosThe improved Retouch tool is supported on the following Mac models:
MacBook Pro (15-inch and 16-inch models) introduced in 2016 or later
iMac (Retina 5K models) introduced in 2014 or later
iMac (Retina 4K models) introduced in 2017 or later
iMac Pro (2017 or later)
Mac Pro introduced in 2013 or later
Apple Books
Apple News
App Store
Automator
Calculator
Calendar
Chess
Contacts
Dictionary
DVD Player
FaceTime
Find My
Font Book
Home
Image Capture
Launchpad
Mail
Maps
Messages
Mission Control
Music
Notes
Photo Booth
Photos
Podcasts
Preview
QuickTime Player
Reminders
Safari
Siri
Stickies
Stocks
System Preferences
TextEdit
Time Machine
TV
Voice Memos
Redundant OsActivity Monitor
AirPort Utility
Audio MIDI Setup
Bluetooth File Exchange
Boot Camp Assistant
ColorSync Utility
Console
Digital Color Meter
Disk Utility
Grapher
Keychain Access
Migration Assistant
Screenshot
Screen Time
Script Editor
Sidecar
System Information
Terminal
VoiceOver Utility
Redundant Os ControlArabic
Catalan
Croatian
Simplified Chinese
Traditional Chinese
Traditional Chinese (Hong Kong)
Czech
Danish
Dutch
English (Australia)
English (UK)
English (U.S.)
Finnish
French
French (Canada)
German
Greek
Hebrew
Hindi
Hungarian
Indonesian
Italian
Japanese
Korean
Malay
Norwegian
Polish
Brazilian Portuguese
Portuguese
Romanian
Russian
Slovak
Spanish
Spanish (Latin America)
Swedish
Thai
Turkish
Ukrainian
Vietnamese