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Questions tagged [mountain-lion]

OS X 10.8 Mountain Lion is the ninth major release of Apple's OS X operating system.

291
votes
11answers
165k 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 ...
236
votes
8answers
502k 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 ...
105
votes
3answers
244k 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 ...
88
votes
53answers
15k 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 ...
77
votes
13answers
123k 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). ...
74
votes
3answers
33k 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, ...
65
votes
2answers
204k 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 ...
61
votes
8answers
76k 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 ...
60
votes
9answers
65k 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 ...
58
votes
7answers
42k 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 ...
55
votes
3answers
24k 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. ...
53
votes
16answers
77k 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?
51
votes
9answers
139k 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 ...
48
votes
3answers
67k views

How to wipe huge .MobileBackups folder?

I found my .MobileBackups folder quite large, it weighs 160 GiB. Shouldn't the .MobileBackups folder be wiped after the Time Machine 'backup session'? Since I have backup done on my external drive ...
46
votes
8answers
71k 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.
45
votes
4answers
8k 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 ...
45
votes
5answers
13k 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 ...
44
votes
4answers
37k 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?
44
votes
5answers
26k 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 /etc/launchd....
43
votes
10answers
80k 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 ...
43
votes
4answers
55k 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 ...
42
votes
6answers
28k 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 ...
42
votes
4answers
27k 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 ...
39
votes
4answers
20k 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 ...
39
votes
3answers
44k 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 ...
38
votes
3answers
7k 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 Ctrl+Shift+Up/...
38
votes
4answers
14k 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 ...
37
votes
5answers
16k 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' ...
36
votes
7answers
58k views

How to get the chrome tabs to always show when in full screen mode?

I would really like to use Chrome on my new 2013 Macbook Air with tabs, but without the menu bar. So, I use full-screen mode, but it hides the tabs. Is what I want possible? And, if so, how can I ...
36
votes
1answer
23k 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 ...
35
votes
8answers
66k 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 ~/Library/...
34
votes
1answer
22k 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 ...
33
votes
1answer
7k views

Is it possible to always show hidden/dotfiles in Open/Save dialogs?

It is possible to show so-called dotfiles/directories like .git or files/directories that have the Hidden attribute in the Finder by running defaults write com.apple.Finder AppleShowAllFiles 1 from ...
33
votes
17answers
27k 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. ...
32
votes
5answers
65k 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 ...
31
votes
1answer
40k views

What causes OS X to mark a folder as Quarantined?

I had a folder under ~/Sites, let's call it Foo, from which I was sharing a Wordpress site-in-development via Apache. This was working fine, I'd mapped foo.local to 127.0.0.1 in my hosts file and was ...
31
votes
3answers
11k views

What does the secure keyboard entry menu item in Terminal app do?

What does this option in Terminal do? It seems to have no effect on anything.
31
votes
7answers
42k views

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

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 ...
30
votes
3answers
24k views

Remove notifications for one specific email account on Mountain Lion's Mac Mail

Is it possible to set or disabled Mail notifications on a per-account basis on Mountain Lion's notification center? I have shared an email address that gets a lot of emails that I only need to check ...
30
votes
3answers
33k views

How do I install MacVim?

How do I install MacVim on Mountain Lion? I want to get the MacVim application, as well as the new command-line vim. I see there are several ways to do it (a snapshot from Google Code, via Homebrew),...
30
votes
4answers
258k views

How do I make the hard drive visible in the Finder?

On OS X Lion I don't see the hard drive in the Finder and I seem to have no permission to create a folder under / from terminal. I know I can do this if I activate the root user, but I need to be ...
30
votes
2answers
1.4m views

How to get iMessages to sync across an iPhone, iPad and Mac automatically?

One of the new features of Mountain Lion is the fact that one can sync iMessages across iOS and OSX devices. I would really like to have a thread that I start on my iPhone automatically sync to my ...
30
votes
4answers
48k 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 ...
29
votes
7answers
22k 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 ...
29
votes
1answer
32k views

Do /etc/resolver/ files work in Mountain Lion for DNS resolution?

Can anyone tell me if adding a file under /etc/resolver will work for DNS resolution using a DNS server other than what is handed out via DHCP ? My issue is that I want to use OpenDNS for a clients ...
29
votes
3answers
19k views

Audio balance changes randomly in MacBook Pro Retina 15-inch' mid-2012

I'm having some strange issues on my MBP Retina running OS X 10.8.2. The audio balance changes, and the right speaker is almost muted. Anyone know what could be wrong here?
29
votes
6answers
12k 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 ...
28
votes
4answers
18k 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
4answers
40k views

What steps are needed to create a new user from the command line?

What commands (or script) can create a fully functional user account on Mountain Lion, running only from the command line via terminal or ssh. It looks like an existing pair of answers might work, ...
26
votes
5answers
73k views

How to tell Google Chrome to use my Keychain

Background: Story: A colleague of mine told me about 1Password and it seems good to me. I am always trying to use tools which Mac OS X itself gives me, so I've given the Keychain a try. It seems ...