Some more advanced Mac troubleshooting and diagnostics techniques require a user to access the Terminal from Mac OS Recovery Mode. We’ll show you how to quickly access the command line while a Mac is booted into Recovery Mode. For some quick background, on a normally booted Mac, the Terminal. The RecBoot Amazing Tool is Now available for on Multi-Platforms Like Windows 64Bit Computers, Mac, and Linux Desktop Computers, Basically which is Free Licensed Software so you can Download this Tool without any Cost.
Need to create a new partition, or re-format an external drive? There’s no need to hunt down paid partition managers or disk-management boot disks: your Mac includes a built-in partition manager and disk management tool known as Disk Utility.
Disk Utility is even accessible from Recovery Mode, so you can partition your Mac’s hard drive without having to create and load up any special bootable tools.
Accessing Disk Utility
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To access the Disk Utility in macOS, just press Command+Space to open Spotlight search, type “Disk Utility” into the search box, and then press Enter. You can also click the Launchpad icon on your dock, click the Other folder, and then click Disk Utility. Or, open a Finder window, click Applications in the sidebar, double-click the Utilities folder, and then double-click Disk Utility.
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To access the Disk Utility on a modern Mac—regardless of whether it even has an operating system installed—reboot or boot up the Mac and hold Command+R as it boots. It’ll boot into Recovery Mode, and you can click Disk Utility to open it up.
In Recovery Mode, macOS runs a special sort of recovery environment. This allows you to use Disk Utility to wipe your entire drive—or repartition it.
Partition Drives and Format Partitions
Disk Utility shows internal drives and connected external drives (like USB drives), as well as special image files (DMG files) that you can mount and access as drives.
On the left side of the window you’ll see all mounted volumes.
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This annoyingly leaves out empty hard drives, but click Views > Show All Devices in the menu bar and you’ll see a tree of drives and their internal partitions. Each “parent” drive is a separate physical drive, while each little drive icon below it is a partition on that drive.
To manage your partitions, click a parent drive and select the “Partition” heading. You can adjust the partitioning layout scheme here. You can also resize, delete, create, rename, and reformat partitions.
Note: Many of these operations are destructive, so be sure you have backups first.
Diagramming tool for mac. RELATED:APFS Explained: What You Need to Know About Apple’s New File System
If you want to repartition your system drive, you’ll need to do this from within Recovery Mode, with one exception: APFS volumes. APFS is Apple’s new file system, the default on solid state drives as of macOS High Sierra, and it’s got all sorts of clever tricks up its sleeve. One of them: volumes on the same drive pool storage space, meaning you’ll see two separate drives in Finder, but won’t have to manage how much storage space each volume uses. To add a new APFS volume, simply select your system drive, and then click Edit > Add APFS in the menu bar. You’ll see the above prompt.
First Aid Repairs File System Problems
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If a hard drive is acting up, Disk Utility’s First Aid function is the first thing you should try. This feature checks the file system for errors and attempts to correct them, all without much intervention from you.
Simply click the drive you want to check, then click the “First Aid” button. Be warned that these checks can take a while, and running them on your system drive will leave you with an unresponsive computer until it’s done.
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Secure-Erase a Partition or Drive
The Erase button allows you to erase an entire hard disk or partition. You can also choose to only erase its free space.
You can use this feature to securely wipe a hard drive. Click a drive, then click the “Erase” button, then click “Security Options” to select a number of passes to overwrite the drive with. One pass should be good enough, but you can always do a few more if you feel like it. The maximum number is unnecessary.
Note that this feature will only be useful on mechanical drives, as you shouldn’t be able to recover deleted data from a solid state drive. Don’t perform a secure erase on a solid-state drive, such as the ones built into modern Mac Books—that will just wear down the drive for no advantage. Performing the “fastest” erase of the internal drive from recovery mode will erase everything.
Create and Work With Disk Images
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Click the File menu in Disk Utility and use the New menu to create blank disk images or disk images containing the contents of a folder — these are .DMG files. You can then mount that disk image file and write files into it. This is particularly useful because you can encrypt that DMG file, creating an encrypted container file that can store other files. You can then upload this encrypted DMG file to cloud storage locations or save it on unencrypted removable drives.
The Convert and Resize Image buttons will allow you to manage that disk image from the Disk Utility window.
Copy Volumes and Restore Disk Images
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The Restore feature allows you to copy one volume to another. You can use it to copy the contents of one partition to another, or to copy a disk image to a partition.
You can also create a disk image that contains an exact copy of an entire partition. Select the drive you’d like to create an image of, and then click File > New Image > Image From [Partition Name].
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You can later restore this disk image file to a partition, erasing that partition and copying the data from the disk image to it.
RAID Setup
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The Disk Utility also allows you to set up RAID on a Mac: just click File > RAID Assistant in the menu bar. Combine disks and partitions into one or more RAID sets and choose whether you want to mirror, stripe, or concatenate your data. This is an advanced feature most people won’t need to use, but it’s there if you need it.
Mirroring (RAID 1) means data you write to the RIAD is stored on each partition or drive for failsafe purposes. If one drive dies, your data is still available elsewhere.
Striping (RAID 0) will alternate disk writes between one drive and the other for faster speed. However, if one of the drives fails, you’ll lose all the data — so it’s getting more speed at the expense of less reliability.
Concatenation (JBOD) allows you to combine different drives as though they were one, useful in certain circumstances.
RELATED:Understanding Hard Drive Partitioning with Disk Management
The Disk Utility included with Mac OS X is powerful, and it should handle all the functions you need it to perform. It’s a bit like the Disk Management tool built into Windows, but more capable and, thanks to Recovery Mode, easier to access from outside the operating system.
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Apple Remote Desktop is the best way to manage the Mac computers on your network. Distribute software, provide real-time online help to end users, create detailed software and hardware reports, and automate routine management tasks—all without leaving your desk. Featuring Automator actions and Remote Spotlight search, Apple Remote Desktop makes your job easier than ever.
Apple Remote Desktop is the award-winning OS X desktop management system for software distribution, asset management, and remote assistance. Apple Remote Desktop offers a wide range of high-performance features, including lightning-fast Spotlight searches across multiple systems; more than 40 Automator actions for easy automation of repetitive tasks; and AutoInstall for automatically updating software on mobile systems once they return to the network.
First-class upgrades
Installing software or updates to your network has never been this easy. Take an existing package, from either Apple or a third party, and simply use the Install Package to copy and install on your client computers. And it works with custom install packages as well. Apple Remote Desktop will alert your system’s users to upgrades and even restart machines remotely.
AutoInstall allows you to stage software on a Task Server, which then takes care of distributing the packages for installation on client computers. You can even set a schedule for installation to occur at a time that is most convenient for your organization. And if a computer is not on the network, the Task Server will keep track and automatically install the package once the system is online.
Automation for your Mac computers
Those time-consuming administrative tasks will become a thing of the past, thanks to Automator actions in Apple Remote Desktop. To use Automator actions, all you need to do is drag and drop the actions to construct a workflow.
More than 40 Automator actions are included with Apple Remote Desktop, which you can apply to set desktop pictures, Finder preferences, Energy Saver preferences, default time zones, and more.
No need to make house calls
The screen-sharing features of Apple Remote Desktop allow you to provide immediate help to remote users, saving time for both of you. Don’t want your admin tasks to be seen? No problem. Turn on Curtain Mode to block the local user’s view of their desktop. This is perfect when you’re updating a public display. You’ll have full control of the system, but your work will be hidden from view.
If you need to move files or folders to a single computer, the easy-to-use Remote Drag and Drop copy function makes the job a snap. You can also copy and paste between local and remote systems — no extra steps necessary.
Reporting for duty
Remote Spotlight search takes advantage of one of the most powerful features of OS X. Now you can perform lightning-fast, user-specified searches on remote client systems. Files from the results can be copied to the administrator system for reporting.
Apple Remote Desktop also makes it easy to compile reports on application usage, history, inventory, and more. Hardware reports gather more than 200 attributes about networked Mac systems, while software reports collect information on 16 file system attributes. Inventory reports can be gathered even from mobile systems not connected to the network, and results are stored in the included SQL database for fast access.