Mac Os Terminal Access External Drive

  • Mar 12, 2010  HDDs, SSDs or Flash drives connected to a Mac can have their ownership relaxed when the drive is intended to be removed and shared with others. Here’s how and why to change the setting.
  • Sep 21, 2019  Here is how to cd (change directory) into an external drive using Terminal on Mac computers. The trick is knowing the name of the drive and where it is located. On Macs, all connected drives (including hidden drives) are mounted/located under the /Volumes directory. So we can use this information to get the names of all drives: cd /Volumes && ls.
  • May 08, 2017  A Mac can be started via a USB port, with a USB key or external hard drive, but that device needs to have Mac OSX system installed on it to boot, as well as other requirements. Best bet is to always backup your Mac hard drive with a bootable image created by Apple Disk Utility or a third party utility such as Carbon Copy Cloner.

HDDs, SSDs or Flash drives connected to a Mac can have their ownership relaxed when the drive is intended to be removed and shared with others. Here’s how and why to change the setting.

First, note that the ownership of all files and folders is restricted on the boot volume, which is owned by root. If you’d like to verify this, you use do the following:

Dec 31, 2018  If you want to keep a Mac connected to a network drive, even after restarting, the easiest way to do this is to follow the three steps above then add these: Hit the Apple menu, then System Preferences Users & Groups From here, select Login Items and click + to add a new item Find your network drive and click Add, then close the window. Nov 30, 2017  Certain Mac users will face the need to use iCloud Drive from the Terminal of the Mac OS. Any such user will have noticed that when trying to access the iCloud Drive in this manner that it does not appear in the user Home directory. The reason for this is that iCloud Drive actually appears someplace else in the MacOS directory.

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  1. Open the terminal app
  2. enter: cd /Volumes
  3. enter: ls -la

In my case, the internal boot drive, Altair, is owned by root. That’s necessary to enforce UNIX protocols for access and permissions by multiple users.

Terminal results for /Volumes

If you’d like to share an external drive with others, however, this UNIX protocol can get in the way when the drive is mounted on another Mac. The solution is to set a flag to ignore ownership concepts (but not permissions) on the drive. That flag is found in the Get Info (CMD-I) box for the drive at the very bottom. (Note you may have to authenticate with an admin password if the padlock has this setting locked.)

Bottom Part of Get Info box for a drive

In fact, when you check this box, special UNIX flags are set such that whoever mounts the drive sees himself/herself as the owner. It’s pretty neat. Note, however, the originally set permissions for that owner remain intact. So if the (floating) owner has only read-only permission for a file, that will remain in force for anyone who mounts the drive. Of course, as owner (and possibly admin user) those permissions can be altered.

If the drive is the boot drive or a Time Machine drive, you won’t have the option to set this flag.

If the flag is not set, the drive will show up in the terminal as owned by root. If you set the flag, it will show up in the terminal as owned by you. (See the first screen shot above.) Note that if you’ve installed a backup version of Mac OS X on a drive and expect to boot from it, DO NOT SET THE FLAG.

In summary, if you have an external drive you expect to share with others or move from Mac to Mac, it’s helpful to set the “Ignore ownership on this volume” flag to make copying files to and from the drive seamless. Bootable drives should never have the flag set.

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A network drive, also known as a NAS (network attached storage) drive, is a storage device that connects to a home or office network instead of your computer. Some of the advantages of this are obvious: for example, you can get access files from a smartphone, tablet, or computer without having to plug the drive in.

Other, perhaps less obvious, positives of NAS include things like automated backups and the ability to mirror data on two drives. In other words, NAS offers a flexible and protected way to manage Mac storage that’s far beyond that of standard external hard drives. Read along to learn how to map a network drive and avoid some common NAS mistakes.

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What is a network drive used for?

Whether it’s populated or diskless, has one bay or more than five, a network drive is typically used as an alternative to cloud storage. It may be easy to drag and drop files to something like Google Drive or Dropbox, but just a bit of drive mapping can make using a network drive a fantastic cloud alternative.

Some of network drive’s key advantages include:

  • Better control over your files
  • More security features than cloud services
  • Flexibility without compromising on privacy
  • Being used by multiple users across multiple devices

Map network drive on macOS (one-time)

Nowadays, most NAS devices are seriously easy to map. Let’s say that you’ve been working on a document in your home office but have just remembered a key fact that you want to include. Time to make a quick edit from your wife’s laptop before you forget about it!

Network drive access can be obtained in three simple steps, provided you don’t mind having to repeat those steps if the connection drops, you restart your Mac, or the device is disconnected:

  1. In Finder, either hit Command+K to bring up “Connect to Server” or click Go > Connect to Server
  2. Enter the path of the network drive you’re trying to map (e.g. smb:// and click Connect
  3. Enter your login details and password then click OK to mount the network drive

You can now access the relevant drive either via your desktop or the sidebar in Finder windows.

Map network drive on macOS (remount after reboot)

Maybe you have a server in your office with a connected network drive and want all your employees to be able to connect to it so they can collaborate on shared documents. If you want to keep a Mac connected to a network drive, even after restarting, the easiest way to do this is to follow the three steps above then add these:

  1. Hit the Apple menu, then System Preferences > Users & Groups
  2. From here, select Login Items and click + to add a new item
  3. Find your network drive and click Add, then close the window

Now, your network drive will be mapped and automatically remounted when you reboot your Mac. Network drives won’t, however, connect automatically if you’re using a different WiFi network.

Make a network drive accessible from Mac desktop

Depending on your settings, mounted drives may not always appear on your desktop. That’s not necessarily a problem if you don’t mind only being able to see connected servers in Finder window sidebars and open/save dialogues.

If, however, you want your NAS device to always be just one double-click away (in the same way that most people have Macintosh HD as a visible item on their desktop) just follow these steps:

  1. Open Finder > Preferences or click Command + to open Finder Preferences
  2. Click the General tab, then tick the box next to Connected servers
  3. Close Finder Preferences

Remount a mapped network drive with one click

Managing, or working across, multiple departments that each have their own network drive? In that case, it can be handy to create aliases of mapped network drive(s):

  1. Right click on any mapped NAS device on your desktop.
  2. Select Make Alias

This might not sound like anything all that significant but, as the subheading suggests, you can use this alias to reconnect to a network drive with one click. That can be very helpful if you need to keep jumping between different shared drives.

How do I enable Accessibility permissions on my Mac? During the installation process you are prompted to take this step. But you can check and verify if the permissions are properly set. The accessibility permissions are stored in a sqlite database file at /Library/Application Support/ Since sqlite3 is shipped by default with the later Mac OS X', use it to modify the settings. Best accessibility apps. Coming back to Rulovic’s original question, I do not believe that there’s a supported way to programmatically add your app to the list of accessibility approved apps. The whole point of TCC is that the user must provide consent, and they do that by manually adding your app to this list.

How to manage files with network-attached storage

In most cases, macOS’s default tools are sufficient for viewing, editing, and deleting files. That might change, however, if you’re using a NAS device. For example, it’s very easy to end up with a ton of duplicate files on your network drive where it’s likely you’ll be less concerned about making the most of your storage as you might be with a built in hard drive.

Gemini is a great tool for digging out any duplicate content on your drives, so you can ditch everything you no longer need while hanging onto backup documents, photos, etc.

  1. Open up the app and hit the giant + or drag your folder of choice into the window
  2. Choose from recommended locations or select a custom folder
  3. Push the green Scan for Duplicates button to get started
  4. Delete duplicate files manually or use Smart Cleanup to automate the process

For a more granular approach to file management, you might want to consider something like DCommander or Forklift. These apps both offer dual-pane file management, as well as features like batch renaming, copying, and deletion, in a more seamless way than your default Finder.

Although Forklift was designed with FTP management in mind, it’s become a favorite of network drive users because of how closely it resembles macOS. Billed as a Finder replacement app in parts of its marketing material, you won’t find an app much more native unless it comes out of Cupertino.

Plus, actually getting started with the app is incredibly simple:

  1. Open up the Forklift app
  2. Use the left-hand panel to find the file(s) you want to move across
  3. Select the right-hand panel then, using the sidebar, click on your network drive
  4. Start moving, renaming and archiving files

If Forklift isn’t for you then you might prefer to take a look at DCommander, an approved Mac alternative of Total Commander for Windows. In addition to two side-by-side file panels that look very similar to those of Forklift, DCommander puts a wider range of commands and features (including quick file viewing, selective file unpacking, navigation history, and a great looking Dark Mode) at your fingertips without the need to leave the dual-panel display.

Both apps let you do things like mark certain drives as favorites, create and browse archives, and get previews of items. In short, they’re much like macOS’s Finder … only better. It’s difficult to overstate how much easier it becomes to manage Mac storage with dual-pane browsing until you try to organize your network drive without it!

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Thanks to macOS, network drive mapping is a pretty simple process even if you’re not particularly tech-savvy. You might be out of luck if you’re hoping to access a NAS device from another network using standard macOS tools but, at present, that’s pretty much the only thing keeping network drives from competing with the cloud at the mainstream level.

If remote access isn’t such a concern for you and you’re using NAS as an alternative to cloud, then it’s definitely worth taking a look at programs like Forklift or DCommander to make file management easier once you’re done drive mapping, as well as Gemini to ensure that your NAS device isn’t filling up with duplicate files you don’t need.

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