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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How can I revert from OS X Yosemite to an earlier version of OS X? [duplicate]

I want to revert from OSX Yosemite 10.10.1 to an earlier version. Since the update to Yosemite, I have had nothing but problems with pop-ups and frozen screens.
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X11 app launching seemingly randomly

Since a month or two, I started seeing an X11 icon in my dock. Killing it does not kill any other app. Is there any way to see what process launches this app?
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Only able to access HTTPS sites; MAMP Apache Server not able to start

Hope this is the right part of StackOverflow for this question. If there's a better forum for this please let me know. I'm using Mac OSX 10.10.1. The browser version is irrelevant, as I can cURL or ...
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1answer
39 views

About defragging a Mac [duplicate]

Are there any good free defragmenter programs for a Mac Mini? Is disk defragmentation needed for Mac computers?
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How to detect already connected USB drive? [duplicate]

I am using a MacMini runing OS/X for some work, and I'm n00b to OS/X - and I often leave a USB drive plugged in when I switch off at night. However, when I re-start, the drive is not detected and ...
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The Impossible Quiz right-click doesn't work

In The Impossible Quiz, Question #40 has you place your cursor on one button and then has you move the cursor to another button about an inch away without hitting any of the area in between. The ...
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1answer
35 views

Does online backup work well for OSX?

My external drive recently died, and my local backup failed (a string of bad bad luck). Good thing I have offsite backup, done with one of those cloud backup companies (backblaze). Right now I'm ...
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Navigate directly to particular elapsed time into movie using iMovie?

I have video of my son's sports games. During each game, when he makes a good play, I note the elapsed time (like 3:17, or 3 minutes 17 seconds in). Later, once I've transferred the videos from the ...
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1answer
70 views

Could Not load Date & Time preference pane

I am getting weird time in my click (attached is the screenshot) And it's not letting me change my time and giving me error "Could Not load Date & Time preference pane" Any idea what's ...
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How did a process with an url as a name executed at my macos?

Is it some sort of chrome malfunction? - The process seems inactive, it has "http://www.imore.com/, ..." as the name, with a lego-like plugin icon, a default icon I suspect it might have been an ...
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sharing internet connection and Junos pulse [duplicate]

I am using Yosemite and would like to share my VPN connection (junos pulse). I've been able to share regular connections using the normal internet sharing system preference dialog. I go to system ...
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24 views

How can I uninstall the FTDIUSBSerialDriver?

How can I uninstall the FTDIUSBSerialDriver and FTDIUSBSerialDriverInstaller from my MacBook Air with Yosemite? They are shown in System Information → Software → Installations. The files are ...
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Using ACL to allow users to add files but not subdirectories in a folder

I am on Mac OS Lion and wants to prevent users from creating sub directories inside a folder but at the same time users should be able to add files to the same directory The following command does ...
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Does anyone have the default Sartfile.bin for mavericks 10.9.5?

I was tinkering around with the file listed above but forgot to back them up. Does anyone know how I can restore the file to its original form so i can undo my changes? Thanks.
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28 views

Is there a proxy testing application on OSX?

I remember I have used a Windows proxy testing software a long time ago. The software allows me to input say 100 proxy at a time, and I could set a destination url (for example, Google.com or ...
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451 views

Macbook Pro: How to disable discrete GPU permanently from EFI?

I'd like to disable the NVideo GTX 750M GPU on my Macbook Pro 15" (Retina, Mid 2014, OSX 10.10 Yosemite). I know I can use GfxCardStatus but I read I could have a more permanent solution by changing ...
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44 views

Processor affinity on mac.

In Linux machines, there is a command called taskset, which can be used to do the processor affinity. In mac(from mavericks) are there any commands to the same job like taskset? Else how one can ...
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1answer
37 views

What app could open text from anywhere in the editor of your choice?

On my previous installation, I had a small tool that took text from e.g. a web form after pressing e.g. ⌘ + E, pasted it in the editor of my choice where I would edit it. After saving, it was pasted ...
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101 views

Yosemite Finder spins endlessly when browsing NFS mounted folders

I have an NFS export on my Ubuntu 14.04 machine. I can mount it just fine from the command line in Yosemite: mount -t nfs -o rw server:/home/gbell2/iOS_apps /Users/Devel/iOS_apps And immediately I ...
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28 views

Can I set Show Library Folder via defaults from command line?

Is there anyway to activate the Show Library Folder option from the command line? I know that I can archive it with the command chflags nohidden ~/Library', but for several reasons I would prefer a ...
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1answer
69 views

USB Modem not working with OS X Yosemite?

I have a Huawei EC1261 (Tata Photon Plus) USB Modem, which is not working with my Macbook Pro (OS X Yosemite 10.10.1), but it is working very well on my Windows based PC. Please help me out here. ...
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3answers
56 views

Is it possible to restore OS X .dmg file to External Drive?

I recently traded in my iMac with 1TB HDD for a MacBook Pro with a 256 GB flash drive. I want to restore my previous hard drive but obviously it won't fit on the new hard drive. Is it possible to ...
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Where are settings for keystrokes that rearrange size/position of active window

On my current (Yosemite) configuration the key combinations ctrl+⌥+⌘+← | → as well as those keys with ⇧ cause the current window to be resized to one quartr screen size and placed in one of ...
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Saving /private/tmp

Something on my Mac keeps deleting the /private/tmp directory. I first noticed this was happening as I was investigating high CPU usage. The Console was full of errors like the following: 1/10/15 ...
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3answers
137 views

Looking for an app to amplify audio from YouTube

Years ago I saw someone use a program for Windows and I was hoping that someone can tell me if there is a Mac equivalent! Say you are watching a YouTube video and the audio is up full but it's still ...
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In OS X, how does manually sandboxing an application from the internet compare to blocking it with Little Snitch?

I want to prevent inbound and outbound connections to one application. I can buy Little Snitch if it's the best option, but it feels like I wouldn't be getting much value out of it for that one use. ...
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“Log out (username)” logs out all users

When I click on "Log out User A" in the Apple menu, then click the Log Out button, the current user is logged out. After I get back to the user selection page, I can pick another logged-in user (call ...
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How to Multicast audio stream on my laptop - MAC-OSX - Mavericks - the source and destination is same here?

I am using VLC to multicast an audio stream - song on my OS-X mavericks. I need multicasting streaming only here. However, I cannot hear the audio. The volume level of my machine is fine. Looks, like ...
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30 views

What are the dimensions for the apple dock icons?

I have figured out how to change the icon for my program that I made in java, but now the default icon goes and nothing is there, is it because of the incorrect dimensions? I currently have a 16x16 ...
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How can I change the system language without changing shortcuts?

I would like to change the OS X system language on one Mac from English to French. If I do that, all standard-shortcuts also change. We use the Dvorak keyboard layout on all Macs. Example: In ...
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37 views

Display a webpage in Mac lock screen

I want to leave my Mac locked, but display a web page (representing a web-based dashboard) in the lock screen. The idea is to leave this web dashboard showing 24x7 but without letting anyone else get ...
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Mac OS 10.8.5 PPTP VPN can't ping hosts few minutes

I connect to PPTP VPN from my MPA and get very strange behavior. VPN connect without any errors, but after connection I can't reach any host from VPN-network about three minutes. After that everything ...
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Partition failed performing a fresh installation

I'm trying to partition a samsung ssd and want to perform a fresh OS X snow leopard install from dvd. When I try to partition the disk in diskutil I get: Partition failed POSIX reports: The ...
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Changing dev environment to Homebrew

I'm a new mac user and I'm going to start using Homebrew to build my environment. My current environment I've installed piece by piece. What I want to check is what to make sure I do, so I don't get ...
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Printing Profile Targets Using ColorSync Utility in Yosemite (10.10)

I am trying to print a color profiling target (created with Argyll) using the ColorSync Utility. Unfortunately, the option "Print as Color Target" is always greyed out. In some documentation, I ...
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How to find lost terminal sessions

I use Terminal for web development, and typically have various tabs open, some of which are divided into multiple session (via tmux). After a while, I'll accidentally hit command-W and kill one of ...
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Is there a way to kill an unresponsive applescript launched by an application without killing the application?

I've got an AppleScript that I usually launch out of Quicksilver, but occasionally, the script hangs, never exiting. (I think it's waiting on a non-existent window to appear). This results in ...
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Run OS X compiled apps in windows

Is there any way to run .app (standard OS X application, written in Xcode, achieved and copied from products folder) in windows (any apps like crossover or vine loader)?
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60 views

How do I type a Greek delta with a circumflex?

I need to create a capital Greek delta with a circumflex on top of it: How do I do that in Word or any other text editor (on a Mac)? The file will be mailed to a publisher, so the letter should ...
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How to turn off date links in OSX?

In Messages and other apps, the date linking is sometimes a little unnecessary: Is there a way to turn off data detectors on Yosemite across the board? I know you can turn off Mail data detectors ...
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My PCIe SSD crashed during OS reinstall, now will not mount, unmount, repair

While I'm pretty sure I totally broke the partition table, I've been unable to fix it using tools like testdisk and diskwarrior. My machine crashed during installation of 10.8 OSX on a mercury ...
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How to make OS X server 3 accessible from the internet?

I am trying to setup an OS X server so that I can see it from outside of my internal network. I have OS X Mavericks installed with the Server app installed as a VM for testing purposes right now. It ...
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149 views

How to use “diskutil corestorage revert lvuuid” on Yosemite if disk says it is not reversible?

I would like to make a partition for Linux. Here's what diskutil coreStorage list gets me (identifiers omitted): CoreStorage logical volume groups (1 found) | +-- Logical Volume Group ...
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60 views

Yosemite Frequent spinning pizza ball

Often when changing within an application what I'm doing( going from making entries in quick book) to say, looking in the cart of accounts for a different account I get the spining ball for maybe a ...
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39 views

Full maximise (behind the dock)

None of the maximise commands provide proper maximisation to fill the whole screen. When you have Dock not autohidden, then they only go up to the boundary of the dock. When you have Dock hidden they ...
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Can i create a bootable clone for my mac using diskwarrior?

My mac book pro (mid 2010, running 10.10.1) is currently operating normally. I would like to clean it up and create a bootable clone to an external hard drive. Diskwarrior seems like a good ...
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1answer
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Screen Recording - NO COMPRESSION

I'm looking to record my screen similar to how Quicktime does it, but I need zero-compression, since I need the pixel colors to remain correct. Basically, I need a automated series of screenshots, if ...
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Using SSHFS with launchd

I have a Raspberry Pi I want to automount on my Desktop (Yosemite 10.10.1). I've installed OSXFuse (with the MacFuse option) and SSHFS both from https://osxfuse.github.io/. I'm using the password ...
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Deleting and creating users with terminal in recovery mode?

would anyone know how to delete and create user accounts in recovery mode? Precise steps would be awesome because im not too experienced with UNIX. I already tried the userdel and useradd in urs\sbin ...
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Disk activity, how to improve it?

Activity Monitor tells me that my Disk Activity is too high even when I'm not running 'heavy' programs. I have an iMac with Mac OS 10.6.8, processor 3.06 Ghz Intel Core 2 Duo, Memory 4GB. Is there ...