OS X 10.8 "Mountain Lion"

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148
votes
8answers
77k views

How can I trigger a Notification Center notification from an AppleScript or shell script?

I'd love to be able to take advantage of 10.8's Notification Center features in AppleScripts and shell scripts I write. Is there a built-in command or a third-party library I can use from either an ...
117
votes
8answers
256k views

How to change computer name so terminal displays it in Mac OS X Mountain Lion? [duplicate]

When I setup my computer I named it "Scott's MacBook Pro". And so when I go to System preferences->Sharing, it says Scott's MacBook Pro there as my computer name. However, opening up a terminal gives ...
84
votes
53answers
14k views

What un(der)-documented features have you stumbled upon in Mountain Lion?

This question serves to share and collect the enhancements which are not documented by Apple, or documented poorly. Please justify your answer; if it is something that is well documented by Apple and ...
75
votes
2answers
193k views

Creating A Bootable USB Of Windows 8.1 On OS X?

Reasons for wanting create such a usb include: PC is unbootable and you want to prepare a bootable USB using the ISO file that you have on your external hard drive. to install Windows 8.1 on Mac ...
66
votes
12answers
99k views

How do I turn off App Store notifications in Mountain Lion

The App Store on Mountain Lion pushes update notifications through Notification Center. Unfortunately, this also happens for users that are not system administrators (and so cannot run the App Store). ...
53
votes
7answers
37k views

I am missing the option to see the remaining battery life as time in the menubar?

In previous versions of OS X the battery indicator in the menubar included options to show the remaining battery life as percentage or time (or nothing). In Mountain Lion, there's only an option to ...
44
votes
3answers
17k views

Change location of notification center alerts

Is it possible to change where alerts in the notification center appear on the screen? Alerts appearing in the top right tend to cover up work I'm doing more often than not and I would prefer, say, ...
43
votes
10answers
131k views

How can I view hidden files in the Finder?

I noticed that whenever I add files and delete them, their physical space remains on the disk drive. I uninstalled NTFS Tuxera and I still have the same problem. So I had to insert the disk under my ...
39
votes
2answers
135k views

What is Mobile Sync - Backup and why is it taking so much space?

I was checking my directory and found out that the Folder Backup in Library > Application Support > Mobile Sync > Backup, is taking 13GB of my Harddisk ... What is this and why is taking so much space ...
39
votes
5answers
22k views

Where are system environment variables set in Mountain Lion?

In Lion (and previous releases) it was in .MacOSX/environment.plist. After upgrading to 10.8, the file is still there, but the variables aren’t taking. I’ve also tried adding them to ...
37
votes
4answers
3k views

What's the dot in the centre of the red window close button for?

When I'm working with certain applications / windows in Mac OS X (I'm using 10.8, although I'm not sure that's relevant), I sometimes see a black dot in the centre of the red window close button. What ...
37
votes
5answers
8k views

Is there a way to access a Mac's geolocation from terminal?

Some GUI apps use OS X location services, but I want to retrieve a Mac's physical location from the command line. This could be useful for running scripts, switching settings etc. The mechanism should ...
36
votes
3answers
43k views

Mountain Lion with Java 7 only

I performed a clean installation of Mountain Lion and installed JDK7. java -version in Terminal returns java version "1.7.0_05" correctly, still Java Preferences and some other Java programs (such as ...
35
votes
4answers
31k views

Where did Icon Composer go from Xcode?

I can't seem to find Icon Composer on the Xcode versions at run on Mountain Lion. Where is it? Has it been taken out? How to get it back?
35
votes
5answers
19k views

How can I modify the list of Applications under 'Open With…'?

I recently went to open an audio file, and wanted to open it in an editor instead of a player. I right-clicked it, hovered over 'Open With...' and was met with a very unsightly list. I have seen a ...
32
votes
4answers
11k views

How can I open a single app by an unidentified developer without allowing all

I know to secure safety it is now not allowed anymore to open apps that were not downloaded from the mac app store. But surely there is a workaround for this to open an app that you know is 'good' ...
32
votes
2answers
47k views

How to wipe huge .MobileBackups folder?

I found my .MobileBackups folder quite large, it weights 160 Gi. Shouldn't the .MobileBsckups folder be wiped after the TM 'backup session'? Since I have backup done on my external drive how can I ...
30
votes
13answers
41k views

How do I lock the screen using a keyboard shortcut on OS X Mountain Lion with a Microsoft Natural Ergonomic Keyboard 4000?

Title says it all: how do I lock the screen using a keyboard shortcut on OS X Mountain Lion with a Microsoft Natural Ergonomic Keyboard 4000?
30
votes
3answers
12k views

How to make TextEdit open with a blank file by default?

In Lion, TextEdit used to open with a blank file by default. On Mountain Lion, it launches with a file picker by default — either for choosing to store the file in iCloud or for opening a local file. ...
29
votes
4answers
42k views

Why does Messages on OSX always show unread messages?

On my iMac running Mountain Lion, Messages is chronically showing that I have 2 unread messages in its Dock icon. However there are no unread messages at all. I've even gone through and clicked on ...
29
votes
1answer
19k views

Can I still set my account picture to an image from disk in OS X Mountain Lion?

I can't seem to browse my hard disk for a custom image to use as my account picture anymore since installing OS X Mountain Lion. The new popover shows that I can now only choose from the default set ...
28
votes
10answers
52k views

Can't get rid of incomplete download bar underneath dock icon

My Downloads folder in my dock has been showing a download/progress bar at 50% since yesterday. There aren't any half-complete files in my Download folder, Google Chrome isn't awaiting any action to ...
28
votes
5answers
51k views

How can I switch between the two Java versions in Mountain Lion now that Java Preferences is gone?

I have two versions of Java installed with Mountain Lion: Apple's Java 6 Update 37 (Java for OS X 2012-006) Oracle's Java 7. The update from Apple removes Java Preferences. In another question ...
27
votes
4answers
15k views

Sendmail Error on OS X Mountain Lion

I get an error when trying to run sendmail. I am on OS X 10.8 Mountain Lion. sendmail: fatal: chdir /Library/Server/Mail/Data/spool: No such file or directory
27
votes
1answer
16k views

Is there a way to hide the unread count badge in Mountain Lion's Mail.app?

Mail.app used to have the ability to hide the unread count badge, as shown on this 37signals blog post: It seems that Apple has removed this in OS X 10.8 Mountain Lion. Is there any way to restore ...
26
votes
17answers
18k views

Intriguing connection issue on OS X

I've been recently having this issue with my internet connection on my MacBook Pro Early 2011 running OS X 10.8.3: from time to time the connection "freezes" for about 5 seconds and then comes back. ...
26
votes
4answers
41k views

How does the Finder refresh in OS X Mountain Lion?

I just batch edited some pictures with Preview and changed the name of one file in the Preview window. Minutes later, Finder still didn't show the changed file sizes (not even when opening the Info ...
25
votes
3answers
4k views

Remove shift key augmentation for Mission Control animation

I recently upgraded to Mountain Lion and all of a sudden my key bindings for Sublime Text 2 multi-selection editing are no longer working. Specifically, I had key bindings set up for ...
25
votes
7answers
32k views

What Is the Keyboard Shortcut for Sleep Display Without Eject Key?

I read that if you want to put your display into sleep the keyboard shortcut is Control ⌃+Shift ⇧+Eject ⏏, but what is it in Mountain Lion or Lion using a retina MacBook Pro or MacBook Air without an ...
25
votes
3answers
5k views

Shortcut to revert autocorrect change

I like the autocorrect feature, but sometimes I want to revert to the word I typed. If i backspace to the word, I see an overlay with the word as I typed it, but can't figure how to revert to it ...
25
votes
7answers
11k views

How can I permanently dismiss Updates Available notifications?

With the Notification Center in Mountain Lion, I get an alert when software updates are available. The problem is, my only options are 'Details' and 'Update'. I don't want to interrupt my work to ...
23
votes
2answers
13k views

Is there a way to completely disable Dock?

I want the Dock completely gone. I haven't used it in the past three releases of OS X (10.5 to present). I want it completely gone, and LaunchBar there instead. Is there a way to kill the Dock so ...
23
votes
7answers
18k views

Hide files/icons on the desktop but not in finder

Not sure if something like this exists in OSX. I would like to display a cheatsheet on my desktop as a wallpaper and to make it visible at all times I would like to hide all the icons/files/folders ...
23
votes
7answers
29k views

Can I disable auto-correction of a single word on OS X?

I'm running into an annoying issue with OS X's automatic spelling correction where the word nala gets automatically corrected to napa. I've tried adding nala to my custom dictionary under ...
23
votes
3answers
29k views

How to always show “Library” in the Finder its “Go”-Menu without holding a modifier key?

I often use the "Library" folder in my home folder ~/. The Library folder there (~/Library/) is shown (unhidden), and that is not the question. I would like to also always show the menu point ...
23
votes
2answers
8k views

How to fix Safari 6 on Mountain Lion that doesn't show the full URL in the address bar unless I click it?

For instance, Ask Question page URL on this site is shown as apple.stackexchange.com, but when I focus on address bar, it becomes apple.stackexchange.com/questions/ask. I tried resetting and ...
22
votes
2answers
11k views

How to compile mod_wsgi, mod_fastcgi, etc on Mountain Lion (Mavericks) by fixing `apxs:Error: Command failed with rc=65536`?

I've updated to OS X Mountain Lion. Update has removed all of my python and apache modules including mod_wsgi. Now I'm trying to recompile mod_wsgi (it compiled without problems on Lion). I use ...
22
votes
2answers
20k views

How to view progress when encrypting a disk?

Mountain Lion allows one to encrypt any disk by right-clicking on the disk in the Finder and selecting Encrypt from the contextual menu. Is there anyway to check on the progress of this encryption ...
22
votes
4answers
16k views

How to get the hand tool back in Preview.app in 10.8?

In Mountain Lion's Preview.app the toolbar was changed quite drastically. While I can see why they did it, I found that it misses the Hand tool that one can use to move enlarged documents around with ...
21
votes
4answers
19k views

How do I get my user directory working for web sharing again?

I had web sharing enabled in Lion and a web site at http://localhost/~user, where user is my User directory. When I upgraded to Mountain Lion, web sharing (Apache) remained enabled and I can go to ...
21
votes
1answer
4k views

How to disable or delay “Time Machine hasn't backed up your computer in x days” message?

Mountain Lion has a very useful feature where it can alternate between multiple backup destinations. I use this to back up to both a network share at home and an external drive I keep offsite. Because ...
20
votes
8answers
34k views

How to check if my HD is case sensitive or not?

How can I get information if my HD format is case sensitive or case insensitive? I want to make sure my Mac running Mountain Lion has a case sensitive file system.
20
votes
12answers
53k views

Will Mountain Lion make an older computer run faster or slower?

Performance/responsiveness is a common concern with new software, especially on older machines. In general, upgrading from Snow Leopard (10.6) to Lion (10.7) wasn't too bad, but now Mountain Lion ...
20
votes
9answers
40k views

How to view logs in Airport Utility v6, or install 5.6 in Mountain Lion?

So I just upgraded to Mountain Lion, and I'm watching some Netflix over my Apple TV, when it stops streaming and tells me it's not connected to the network any more. Sure enough, my Air has also lost ...
20
votes
4answers
175k views

Roll back from OS X Mavericks ( or any newer OS) to Mountain Lion

I installed the developer preview of OS X Mavericks, & too many things broke. I can't stay on it & need to roll back to Mountain Lion. Any ways of doing that? Please help! I originally ...
20
votes
2answers
7k views

Why ever does Parallels 8 recommend max 4 GB RAM for a VM?

I'm a VMware Fusion user and am trying out Parallels since VMware has some quirks that are annoying on Mountain Lion on a retina MacBook Pro (16 GB RAM). I'm wondering about the baffling Parallels ...
19
votes
3answers
20k views

what is com.apple.coresymbolicationd in caches?

Doing some cleanup on my Macbook Air with 128 SSD looking for big files to reduce space used. I found something named com.apple.coresymbolicationd that is 1GB in the library/caches folder I don't ...
19
votes
5answers
14k views

No email notifications when Mail.app isn't running?

On Mountain Lion, I don't get email notifications in Notification Center when Mail.app isn't running. This is not the expected behaviour (it is inconsistent with the Mail.app behaviour on iOS) and ...
19
votes
7answers
12k views

How can I enable Trackpad tap-to-click for the login window in OS X 10.8?

In older OS X versions, this used to work just fine: defaults write /Library/Preferences/.GlobalPreferences com.apple.mouse.tapBehavior -int 1 It would enable tap to click for built-in MacBook ...
19
votes
4answers
21k views

How can I force Mountain Lion's Messages app to refresh a conversation?

Sometimes when an iMessage comes in and I switch to the Messages app, the conversation doesn't contain the new message. I know the message was received because an alert banner popped up with the ...