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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11
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515 views

How is the Y value for the Memory Pressure graph in Activity Monitor calculated?

How is vm.memory_pressure's value bounded / calculated on OS X 10.10.2 - Yosemite? I've researched several answers to this question and am trying a few things on the command line to get exact values ...
6
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0answers
101 views

Avoid Unwanted/Blank Text Annotations in Preview.app

When opening a PDF in Yosemite's Preview.app, I can select text using the Text Selection tool from the Markup Toolbar. However, if I don't click directly on the text, a blank text box will appear. ...
5
votes
0answers
103 views

Mail memory usage?

I'm seeing massive RAM usage from Mail I removed all mail accounts as I assumed it was something in an inbox taking up space, but even then, with no accounts other than iCloud (which contains zero ...
5
votes
0answers
513 views

How to not import duplicates from shared Photos album

When I import photos from a shared library, either from my own Family album or one shared with other iOS users, they are imported as expected. I cannot reimport them again. However, if you share a ...
5
votes
0answers
892 views

Typing >console in username box—nothing shows up until cancelled

When I type >console into the username box on the login screen, the computer seems to freeze for a very long time. Then I press ^C^C^C^C^D^C^D^D^D^C^D and eventually the computer unfreezes—but ...
5
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0answers
519 views

Removing shutdown and sleep button from the Apple menu on Mavericks

I'm trying to remove the "Sleep" and "Shutdown" entries from the Apple menu. So far I managed to do it by editing ...
4
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0answers
26 views

“Open With” (lsregister) to show apps on system disk (specific disk)

I have a Mac pro with 4 disks, one is for the system (D1) "Open With" takes long time sometimes, and sometimes it shows me apps on other disks (old, backup, other test apps), how I can make OS X to ...
4
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0answers
59 views

Can't UsePrivilegeSeparation sandbox with Homebrew sshd

With OSX 10.9.5, and using the latest Homebrew OpenSSH, which at time of writing is OpenSSH_7.1p2/OpenSSL 1.0.2f, I must set the following in /usr/local/etc/ssh/sshd_config: UsePrivilegeSeparation ...
4
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147 views

How has it suddenly become so much faster to wake OS X from “safe sleep”?

Because I'm super paranoid about security, I configure my MacBook to always "safe sleep" and destroy its FileVault key on entering standby: $ sudo pmset -a hibernatemode 25 DestroyFVKeyOnStandby 1 ...
4
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0answers
590 views

Check the battery level of connected bluetooth headphones from the command line

I am trying to check the battery level of my wireless headphones from the command line. I came across a few discussions, and it seems all I need to do is enter the following: ioreg -c 'deviceName' ...
4
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0answers
292 views

Unable to disconnect from iPhone Personal Hotspot

I can connect to my iPhone hotspot through Wi-Fi on my MacBook Air, but when I then click "Disconnect from my iPhone" in the Wi-Fi menu, nothing happens. The only method I could use disconnect is to ...
4
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0answers
1k views

Spotlight not connecting to internet

My problem is that Spotlight shows no results from internet sources (Wikipedia, iTunes Store, etc.). I've reindexed my drive twice, cleared all the caches, and reset the NVRAM. Still not working. I ...
4
votes
0answers
735 views

nsurlsessiond is using all my bandwidth

I searched the web and apparently this process has something to do with the iCloud Drive! I don't have more than 10 MB for all the data and documents on iCloud Drive; but this process uses more than ...
4
votes
0answers
141 views

Does Spotlight keep a search history?

Occasionally, I use Spotlight to quickly compute some expression because I'm too lazy to do it in my head, on paper, or fire up some program. Sometimes I would like to view the result again, but when ...
4
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0answers
655 views

OS X Yosemite permanent environement variables

Since I upgraded to OS X Yosemite I do have massive problems with environment variables that I really, really NEED for development of some projects. The Problems is: Every time I install some kind ...
4
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0answers
426 views

Create Custom Drop Down Menus in the Finder Toolbar

Happy (belated-ish) new year! Hope it's been a great one. Any Dropbox users out there will recognize the drop down menu that one can add to their Finder toolbar. Upon discovering that this ...
4
votes
0answers
329 views

Menu bar icons disappearing when connecting USB device

If I plug something into one of the USB ports on my Mac 17″ (after upgrading to Yosemite) my Menu Bar at the top of the desktop keeps disappearing and reappearing. The icons keep flashing on and off. ...
4
votes
0answers
88 views

Is it possible to exclude bad memory?

I have a MacBook Air 2012 (A1466) and it developed some memory errors. It crashes every half an hour and Apple Hardware Test says "4MEM/9/40000000: 0x79eea590". Unfortunately, RAM is soldered on the ...
4
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0answers
328 views

Adjust delay for activating Full Screen Mode toolbar

Is it possible to change the delay on the full screen mode window toolbar in OS X Yosemite? I'm thinking of something like this, but for the toolbar defaults write com.apple.dock autohide-delay ...
4
votes
0answers
311 views

Can you disable Today's Date in the Today View in Yosemite Notification Center?

While it's possible to remove the Today Summary from the view you cannot remove the date. It's superfluous while using a calendar app such as Fantastical. Any way to tweak this? Thanks.
4
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0answers
207 views

Using Command-backtick (⌘-`) to toggle between windows

As far as I can tell, Command-backtick (⌘-`) behaviour in OSX 10.9 works as follows: Given a stack of windows for the current application 1 2 3 4 5 6 in order of most to least recently used: Do it ...
4
votes
0answers
297 views

How to disable “changing a repeating event” dialog in Mac calendar?

I have a number of repeating events in Calendar (formerly iCal). I often make changes to individual ones on-the-go, but every time it asks me this: Is there a way that I can make the default ...
4
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0answers
692 views

Disable USB Write Caching by default

Is it possible to change OS X's USB filesystem mount behaviour to use the noasync flag to disable write caching? The aim here is to allow USB devices to be safely removed without eject or hdiutil ...
4
votes
0answers
546 views

How do I make NFS automounted volumes visible in Finder?

How do I make NFS automounted volumes visible in Finder or, in other words, have opposite effect to default option nobrowse? From mount manpage nobrowse This option indicates that the mount ...
4
votes
0answers
792 views

Reparing a corrupt Time Machine backup on a Time Capsule won't work

I tried to follow these instructions: http://www.garth.org/archives/2011,08,27,169,fix-time-machine-sparsebundle-nas-based-backup-errors.html But after typing in the hdiutil command I only get one ...
4
votes
0answers
357 views

How to enable logged-in thumbnails for Safari Top Sites for Secure (HTTPS) Sites?

How do I allow Safari to generate logged-in thumbnails of HTTPS pages? Maybe there's a hidden setting for this? Right now thumbnails of secure (HTTPS) pages are rendered without login data. For ...
4
votes
0answers
1k views

Solver Window Resize in Mac Office 2011

For what ever reason the Solver add-in for Mac Office's Excel 2011 produces the following dialog box when attempting to add a constraint to Solver: Does anyone have a similar problem? Or know how ...
4
votes
0answers
451 views

Typing over selected text replaces some text to the right

In OS X (both Lion and Mountain Lion), I notice that when I select text and type over it, not only does it yield the expected result of replacing that text with the typed text, it often also replaces ...
4
votes
0answers
965 views

Why does my Terminal window close automatically?

I need to use my Terminal window on a MacBook Air but it closes about 10 seconds after I open it. Is there a setting or is it possible another program is causing it to close? If I type quickly I can ...
3
votes
0answers
20 views

How to disable Adobe Core Sync app on OS X from being launched automatically?

I have noticed a lot of Adobe processes are running in the background at start up on an OS X 10.11.4 (15E65) machine with Adobe Creative Cloud (CC) installed. To get rid of this, I removed everything ...
3
votes
0answers
25 views

How to really exclude Time Machine Backups from Spotlight-indexing?

I try to exclude my TimeMachine-backup-storage from being indexed by spotlight and got some weird behaviour. The backup storage is a Time Capsule. To exclude it, i did the following in terminal: ...
3
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0answers
39 views

Can't show clock in OSX menu bar

Recently the clock on my OSX menu bar has disappeared for no apparent reason. I'm using OSX 10.10.5 I try to add it again by going to System Preferences --> Date & Time --> Clock --> Show date ...
3
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0answers
34 views

OS X El Capitan renames Windows volume on every boot by appending increasing numbers to the volume name

I have installed Windows on a separate hard drive on my MacBook Pro running OS X El Capitan. OS X is running on an SSD and Windows is on another physical hard drive. I named the other hard drive ...
3
votes
0answers
79 views

Apple Mail in El Capitan - where is data that used to be in Accounts.pilst?

I run about six IMAP accounts on two different OS X machines and one iOS device. Several of the mail accounts are under different domains, but all hosted on the same 3rd party mail provider so ...
3
votes
0answers
38 views

CLI: get CPU real speed (e.g. Intel SpeedStepping)

Can you query for the real CPU speed in OS X command line/terminal? $ system_processor – only provides the hardware spec info. $ sysctl hw.cpufrequency – only provides the hardware spec info. $ ...
3
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0answers
151 views

Accept Xcode 7.3 license

I want to install a C/C++ compiler for Matlab R2015b. I am running OSX El Capitan 10.11.3. I installed the newest version of Xcode (Xcode Version 7.3 beta 3). According to MathWorks, Xcode 7.x ...
3
votes
0answers
44 views

Screen Sharing keyboard issues

I regularly operate a Mac Mini (10.9.2) from my 13" MacBook (10.6.8) and edit audio and video using Audacity and iMovie. I just got a new(er) 13" MacBook Pro (10.11.3) and am trying to do the same ...
3
votes
0answers
38 views

Any way to log off or close apps when time limits run out

My kids use Steam to play games on the Mac. Each kid gets half an hour through parental controls time limit feature. However, it just locks their account and leaves the apps running. Steam can only ...
3
votes
0answers
348 views

Unexpected payload found for message 9, dataLen 0

I found the following in my wifi.log file after l connected to wifi: Unexpected payload found for message 9, dataLen 0 What does it mean?
3
votes
0answers
82 views

Using spotlight index on a file share on Server.app

I have a MacMini server (Server.app 5.0.15 on El Capitan 10.11.2), and connects to file share from another MacMini also with El Capitan 10.11.2. Spotlight indexes for the file shares are NOT ...
3
votes
0answers
45 views

Unable to start app built manually

I have create an application APP-py3.app stored in /Applications. The APP-py3.app contains the following files [F] and directories [D]: Contents [D]: Info.plist [F] MacOS [D]: script [F with ...
3
votes
0answers
164 views

iBooks on El Capitan

I have a large number of items in iBooks. some epub, lots of work related PDFs. in total around 20k documents that I want to sync to my iPad to carry around as a convenient source of reference. ...
3
votes
0answers
43 views

Can word break characters be changed in OS X 10.11 El Captain (or XCode 7.2)?

When I double-click text in an XCode string to select an entire word, any text connected to it with a dot (.) will also get selected. I would like to make that not happen so that dots and other ...
3
votes
0answers
40 views

How to disable F7 F8 F9 function for Quick Time Player

I have OS X 10.11, Quick Time Player 10.4. My question is simple, how do you disable F7, F8 and F9 function keys in QT Player? I want to use these keys for iTunes, but I really need to keep some of ...
3
votes
0answers
51 views

Loading User LaunchAgent Successfully

I have created a Plist file to replace an Xinetd process that I used successfully in Windows (Cygwin) and Linux to stream an imapd connection from a remote server via ssh on a port on the localhost. ...
3
votes
0answers
41 views

How to fix delay between wakeup and password entry

When booting up my computer, or even just awakening it from a long sleep, it takes a while for me to be able to enter my password. Like the box is there, but I can't move my mouse or type into the ...
3
votes
0answers
43 views

How to set default mount options?

I'm trying to figure out where the default mount options are set for user-mounted filesystems (e.g., disk images, USB thumbdrives, etc.). I'm working with OS X 10.11 ("El Capitan"). The options I ...
3
votes
0answers
71 views

How to adjust the compiler for c++11 on 10.8

Originally, I posted my question on Stack Overflow.Compile R package It seems that when installing the R library(Boom) I always get that error relating to compile error: fatal error: 'future' file ...
3
votes
0answers
143 views

Domain Name Resolution (DNS) stops working randomly

While browsing and using the web, DNS stops working. Open web-chats like Google Hangouts keep working, but opening new websites, Skype, and others are stuck to "Resolving host name". This happens ...
3
votes
0answers
126 views

Icons Do Not Update After Changing “Open with” Default

I recently switched from using BaKoMa Tex to Texpad for working with .tex files. After switching the "Open with" default application for all .tex files (which is working fine), I've noticed that the ...