OS X (formerly Mac OS X) is the marketing name for Apple's computer OS. Note the proper pronunciation is "ohh ess ten" and not "oh ess ex".

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Easily disable/enable all network connectivity [duplicate]

My work involves trying stuff online and offline, on a Mac. Sometimes a try can be less than 10 seconds of needed offline time. Most of the time I still need to be online. Instead of going to Network ...
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OSX: how to add a right click option in folder to open the folder with an application like VS Code?

Is it possible to add a service in a folder to open it with a specific application? As shown in given below screen shot an application named ever note has done this. I want to do it manually for ...
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File icon which stays apparent on desktop and cannot be removed or opened or moved

I tried yesterday to save a file and move it in a folder on my desktop, but it got stuck and I cannot move it, open it or delete it. When I try to move other files to the desktop folders, it does not ...
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43 views

Error restoring encrypted disk using Disk Utility

I am trying to replace the hard drive in an old MBP-15 mid 2010 with a new SSD. The old disk is encrypted. I did that on my own two MBPs successfully, but both disks were not encrypted. The Mac is ...
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Show Dock on all external displays (not simultaniously)

I recently started using OSX El Capitan at work. I have two external monitors connected to my mac (they are laid out horizontally one after the other). I used Macs in the past and as far as I can ...
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How can I monitor network in OS X?

I met a problem recently. Sometimes the Google shows me a page says that my computer is sending frequent requests to Google so that I must enter the number in the picture to continue to use Google's ...
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1answer
27 views

Bootcamp partiton in VirtualBox returns errors VERR_ACCESS_DENIED and VBOX_E_FILE_ERROR

I have been using this guide: http://danielphil.github.io/windows/virtualbox/osx/2015/08/25/virtualbox-boot-camp.html But when I try and mount the .vmdk I get this error: Permission problem ...
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What is the SPIT/User wake reason in OS X?

When browsing pmset -g log I noticed a line that said: 2016-05-18 21:48:55 +0200 Wake Wake from Deep Idle [CDNVA] due to SPIT/User: Using AC (Charge:100%) I'm wondering what SPIT/User is. All of ...
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1answer
10 views

what is the purpose of MediaCache folder on a Mac

What is the purpose of /private/var/folders/zg/jjtx0_k94pdc5p5q6gcvf4900000gn/T/MediaCache folder? It looks like some sort of database. I noticed it gets updated while browsing quite often. Excerpt ...
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1answer
28 views

what is the purpose of /private/var/db/crls folder

What is the purpose of /private/var/db/crls folder on a mac? I noticed that it gets updated regularly.
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1answer
35 views

How to get Torch browser to stop prompting me to update to new version?

I have the Torch browser (Version 29.0.0.7181 (7181)) installed on my Mac (10.11.4). It's no longer updated or supported on the Mac but I use it as a tester browser for some things so I like it. But ...
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Detect if iPhone trusts this computer

I'm working on a script that automates import photos from iPhone in Mac Photos.app How can I find out if iPhone trusts this mac? I've tried system_profiler SPUSBDataType and ioreg -lp IOUSB but ...
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A way to test System Integrity Protection SIP (NOT about how to enable/disable)?

When I first began using 10.11 El Capitan I had to disable SIP in order to run some stuff, and to avoid some crashes. The crashes were probably likely down to some kext I had leftover from older ...
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1answer
23 views

Persistant phantom volume mount points, how to prevent?

Every time I reboot my Mac a mount point for a drive I don't even have connected is recreated in my /Volumes/ dir. I can delete it, but next time I reboot it comes back. How can I find out what is ...
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1answer
29 views

How do I change the icon of an alias to a custom ICO file?

I've created a couple of aliases to Wine executables that I put in my dock, but by default they're all coming up with the standard page icon. I would like to customize these icons using custom ICO ...
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1answer
45 views

Error when connecting USB Drive to VirtualBox virtual machine

How can I use external hard drive via USB connection on a virtual machine using VirtualBox? I ejected the hard disk from OS X host, then the disk becomes available in OS X virtual machine. Clicking ...
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1answer
32 views

enabling virtual machine Guest Additions on a Mac host and Mac guest

I want to enable Shared folders on VirtualBox. I went to Devices tab and clicked -> Insert guest additions CD image. Nothing happened. This is an image of my Storage tab in Settings of Virtual box: ...
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Mail.app disconnected from data files

My mac mini was acting up, so I reset the Nvram and ran the disk utilities from recovery mode. The mini started up fine and runs stable, but now my mail, calendar, and contacts have been wiped clean. ...
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1answer
20 views

Send notification from command line [duplicate]

On Mac OS X, some applications will display a notification that appears briefly in the upper-right corner (e.g., when I receive email). Is there a way to generate a notification from the ...
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52 views

Why is my Hard Drive and User folder shared when I turn on osx file sharing?

I decided to try file sharing on a mac mini, and noticed something odd. When I go to settings > Sharing, and enable File Sharing, then add ~/Shared. Now ~/Shared is the only item listed. When I go ...
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1answer
61 views

copyfile errors and dot files using rsync

I read @SwisherSweet's question of the fastest and safest way to copy massive data from one external drive to another, along with @GrahamMiln's excellent answer. I'm in a similar situation where I ...
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23 views

what is the purpose of mds folder on a Mac

I found out that contents of mds folder located at /private/var/folders/zg/jjtx0_k94pdc5p5q6gcvf4900000gn/C/mds gets deleted and back created quite often. I wonder, that is the purpose of this folder ...
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16 views

Build failed in step '(top-level)'

I'm trying to build the arm-unknown-linux-gnueabi cross-compiler toolkit on my mac. I've found a tutorial that seemed to be good (and it actually fixed a few of the problems I had had before. But then ...
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OSX installation from recovery

I am windows user and recently I switched to OSX with a Macbook Pro Mid 2015. I tried to re-install OSX from recovery without any reason , it was working fine and properly....unfortunately I erased ...
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kernel extension is not always loaded at boot time on OSX

I do have a kernel extension for USB-Devices using IOKitPersonalities. Replugging one of the devices the kext will always be loaded as expected but for devices already connected at startup this ...
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134 views

Set the result of command to variable in Terminal post execution

How can you set the output of a command run in terminal to a variable after it has run? Background (You can skip of you don't need the background) I run VirtualBox VM and do a lot from the command ...
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36 views

Why does 'set -x' cause the terminal to dump garbage

This problem is quite annoying and I cannot search Google for 'set -x' because the minus sign has another terminology there. In my MacBookPro, when I use 'set -x' to debug bash commands, I'm getting ...
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50 views

How to get defined lines from OS X Terminal result?

How do I get the first 20 lines of a OS X Terminal result?
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How to disable external microphone when using a headset with a mic?

I'd like to use a pair of Beats earphones as just a pair of headphones. When I plug it in, the OS identifies the microphone component and switches the output to the microphone on the earphones. ...
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How do I get programmatic access to the word definition after it pops up when highlighting (three-finger tap) a word in OS X?

I would like to build up a list of words and their definitions of the words that I highlighted (three-finger tapped) so that I can come back to them later. Is there a way to get access to the ...
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1answer
44 views

how to place file inside /sbin/ in MAC 10.11 during .pkg installation

We have been installing / placing a tool for dhcp refresh under /sbin till MAC 10.10 there were no issues. but now it is completely blocked. even with root privilege i cannot able to place it. Any way ...
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How to reinstall OS X when Recovery isn't working?

My wife has a MacBook Pro that she bought new in 2012. In 2013/14 it had an issue with the system files and when she took it into the Genius bar at Apple they reinstalled the OS (wiping all personal ...
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Applescript remote control volume

Wondering how to turn up the volume on my computer from another computer. set volume 4 of machine remMachine doesn't work Any suggestions?
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USBSMC history on a Mac

How do I find the USBSMC history on Mac if it was cleared from the console? It seems to only be possible with specific code, rather than by simpler means. I have only seen solutions for Windows ...
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1answer
37 views

How I put OSX on a disk with badblocks, while avoiding them?

My MacMini hdd, some months ago, stopped booting. Upon inspection, seemly a tiny amount of sectors got corrupted, but in system-related areas, and OSX went bonkers and destroyed half of my data while ...
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1answer
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TimeMachine backups on multiple volumes?

My TimeCapsule's file system got damaged and I lost my TimeMachine backups. It it possible to backup to two different volumes, for redundancy?
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Mac application to download, verify (through md5), and run another large application

I have spent quite some time Googling for a specific product solution that I cannot seem to find for the life of me, so I come to Stack Exchange for some help. I work for an unmentioned public ...
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1answer
32 views

Missing lock icon in System Preferences->Sharing on El Capitan

See attached image below. I have a few macs and on one of them, I cannot for the life of me figure out how to lock the Sharing tab under System Preferences. The lock is present and working on other ...
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Connect to network in Single-user mode

I need to use some commands, e.g. curl, in Single-user mode, but by default they doesn't work. I tried this: launchctl load /System/Library/LaunchDaemons/com.apple.kextd.plist launchctl load ...
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1answer
20 views

files not appear on Desktop and Drag & Drop is not working on Desktop

I am using 10.11.4 OS X. I don’t know when exactly these are not working - files don't appear on desktop. Drag & Drop and popping up context menu with right click are not working on Desktop. - ...
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1answer
24 views

unable to boot Mac OS after installing bootcamp

Installed bootcamp Win7 on my MBPro with Yosemite a couple weeks ago and both OS's worked fine for some time, until recently the Mac OS suddenly decided it couldn't boot anymore. If I select the Mac ...
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26 views

How do I make terminal windows STAY the same size?

I have set up my terminals, so that they are the size I want them to be. However, I often have several tabs open in each window. Terminal keeps trying to make the window BIGGER when I get too many ...
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24 views

How can I resolve my nsurlsessiond issue?

There are a few other questions concerning nsurlsessiond, but none of them have resolved my issue. The issue is that an nsurlsessiond process is killing my bandwidth by downloading continuously while ...
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2answers
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If I install an older, deprecated Java runtime, will that mess up applications that use the current Java version?

I own a really old version of Photoshop. After I upgraded to El Capitan when I attempt to launch Photoshop I get a dialog saying... To open "Adobe Photoshop CS5.1.app" you need to install the ...
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1answer
8 views

Notes loss caused by email-account deletion

I got a new Macbook yesterday, so I was trying to configure an email account. At the same time, I recorded some important notes in the "Notes", which were automatically bound to this email account by ...
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How to get file sizes of large files in OS X Terminal?

I'm trying to get the file size of a big file (1GB +) using the OS X Terminal. I'm using du -sh. But also after 30 seconds I don't have any result, is there any faster command? Thanks.
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Does OS X PowerPoint lack the compare option?

I'd like to merge changes between two PowerPoint documents on my mac. This article from Microsoft suggest that that is as simple as clicking the compare button in the review tab. However, NO such ...
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Flashing Safari

I just upgraded to OS X El Capitan and my Safari windows are constantly flashing. I've already re-started my computer, but it's still flashing. It's mostly when something on the page is moving and ...
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install unsigned package for development purpose

I am trying to create a .dmg( contains .pkg) which does try to copy a file( a .json file) from pkg to Users/currentuser folder. after netsurfing i came to this https://github.com/jschauma/jass which ...
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1answer
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What is the best solution for a free partition recovery?

Recently I accidentally partitioned my Seagate Backup Drive (1 TB) not knowing that everything would be wiped off (silly me). I am now in shock knowing that my files are somewhat gone. I have tried ...