OS X 10.8 "Mountain Lion"

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6
votes
1answer
381k 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 ...
5
votes
1answer
2k views

Is the Guest account a security risk with full disk encryption on Mountain Lion?

I have File Vault 2 full-disk encryption enabled on my 2012 MacBook Air running Mountain Lion. By default it also has a "Guest" Safari-only account available. I just tried it the other day and found ...
4
votes
3answers
3k views

With Firefox Aurora, Mountain Lion hung - but the mouse still worked

I've just had my first Mountain Lion lockup. The screen was entirely frozen in place (I have seconds displayed on my clock in iStat Menu and even that wasn't moving) BUT the mouse still worked. I ...
4
votes
1answer
5k views

Turn off internal display without closing lid

I learned that a MacBook Air's built-in screen turns off when I close the lid so I can continue working on an external display set to be primary. But the MacBook Air has a heat system that requires it ...
3
votes
2answers
398 views

Is there a way to tweet from a keyboard command?

I use CMD space a million times a day to find files, launch apps, etc. Wouldn't it be cool if I could press a keyboard combination and get a box to send a tweet? I know I can do it through ...
3
votes
4answers
11k views

How to I access documents saved in iCloud with Mountain Lion on my iOS device

I know that I can save a pages document in the cloud in Mountain Lion and then open it in Pages for iOS, but how do I access something saved in iCloud on TextEdit or Preview. For instance, with ...
6
votes
0answers
1k views

How do I fix duplicate 'Open with…' options? [duplicate]

Possible Duplicate: How can I modify the list of Applications under 'Open With…'? OS X > 10.8 When right click a file, select 'Open With', some applications are duplicate. ...
2
votes
2answers
745 views

Is there any way to save the order of spaces in Mission Control?

Is there any way in Mountain Lion to preserve the order of spaces in Mission Control? I use four different spaces for four fullscreen apps, and I like to keep them in a certain order so that I know ...
2
votes
2answers
3k views

How often should I remove the charger from my rMBP?

I want my battery to remain healthy. I used to charge it full then remove the charger after it's done, then put it back on when it goes down to 10% .. However this is becoming hectic and I was ...
1
vote
1answer
14k views

What is com.apple.mail.plist and why was it slowing Mail down?

I fixed an annoying problem with Mail 6.2 (I'm on ML 1.8.2), where Mail was slow and a pain to use. I am on a SSD so everything was jerky while typing, sending mail out, and it would take ~1 second ...
85
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 ...
44
votes
10answers
133k 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 ...
37
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 ...
33
votes
5answers
26k 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 ...
68
votes
13answers
104k 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). ...
54
votes
7answers
39k 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 ...
13
votes
3answers
18k views

Does the Microsoft Intellipoint software work with Mountain Lion?

I've been using the Microsoft Intellipoint software with Leopard, Snow Leopard, and currently Lion, to provide mouse cursor movement that feels a lot more like Windows. Has anybody tried installing ...
15
votes
15answers
51k views

Wi-Fi connection randomly disconnects on 2012 MacBook Air

My 2012 MacBook Air has problems with Wi-Fi – random disconnections, every few minutes. The problems occurred with Lion, and persist after an upgrade to Mountain Lion. It seems the Wi-Fi drops ...
33
votes
4answers
12k 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' ...
26
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 ...
13
votes
8answers
6k views

getting “out of memory” error when trying to load specific websites (am not out of RAM)

UPDATE: Rich's solution (with the checkmark) solved my problem! I also posted an answer with a workaround that may help if Rich's solution doesn't work for you. The answer that received the bounty was ...
9
votes
3answers
14k views

Coreaudiod spams system log: Enabled automatic stack shots because audio IO is inactive

I'm getting my system log virtually spammed with: May 13 23:56:36 alluminium coreaudiod[238]: Enabled automatic stack shots because audio IO is inactive May 13 23:56:37 alluminium coreaudiod[238]: ...
9
votes
5answers
8k views

External display on MacBook Pro Retina (Mountain Lion) remains blank after screen timeout or waking up from sleep

I have a retina MacBook Pro running Mountain Lion with a 23" external display attached through the Thunderbolt port (DVI/Display Port adapter). I have the monitor configured as an extension to my ...
6
votes
3answers
10k views

After Upgrade to Mountain Lion I get blurry fonts

Since the upgrade to Mountain Lion, I get blurry fonts system-wide. It doesn't matter where it is: I've seen them on the log-in screen, Safari, Mail, Xcode, and Skype. Every font is very blurry. It ...
24
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 ...
10
votes
5answers
28k views

How to disable Apple Push Notification Service (apsd) on OS X 10.8?

I am using an iMac at work, and the IT security guys are raising issue with the Apple Push Notification Service (apsd) trying to bypass the proxy continually. I would like to know how I can disable ...
10
votes
4answers
3k views

iTunes track notifications for Mountain Lion

In OS X Lion there was the preference (via a Terminal command) to enable iTunes track notifications that were displayed as a popup in the dock. So far it seems as though Mountain Lion does not allow ...
13
votes
4answers
28k views

How to switch language of OS X dictionary?

In Mountain Lion the OS X internal dictionary that you can fire up by right clicking a word, or by using the dashboard widget, seems to have gained at least one new language: German. Since German is ...
10
votes
2answers
4k views

Remove entries from finder's context menu?

Does any one know how can I remove items that I never use from the context menu? e.g.: Burn "yadda yadda" to Disk...
1
vote
3answers
4k views

What actions are performed by Install OS X Mountain Lion.app that are not performed by InstallESD.dmg without the app?

Recommended Apple provides and recommends use of Install OS X Mountain Lion.app that is, "the app" – in its entirety. For Build 12A269 for OS X 10.8, the version of the app is 1.3.12 (351). ...
6
votes
2answers
5k views

Uninstall Java Mountain Lion [duplicate]

How do I completely uninstall Java from Mountain Lion? I wanted to run Minecraft so I followed the system promps and I think I installed Java 7 and then Java 6. I couldn't get Mincraft to work for ...
2
votes
2answers
21k views

What is the best backup strategy for macbook pro laptop?

I have a lot of data on my macbook pro retina laptop and i am looking for the best backup strategy. I have previously had a windows desktop with an external harddrive connected all of the time and a ...
12
votes
6answers
5k views

What hooks exist into Notification Center / twitter so that I can tweet programmatically?

I'm specifically looking to design a custom action for LaunchBar so that I can initiate a tweet from that utility. Since Notification Center has a "Click to tweet" button, I wondered if Notification ...
8
votes
3answers
7k views

Change file association in terminal?

Is there a method for associating file types with applications via terminal? I thought ~/Library/Preferences/com.apple.launchservices.plist might do it, and I also have seen: Why is a command line ...
7
votes
2answers
8k views

Move items from old keychain to new keychain

I've just done a clean Mountain Lion install, and one thing bothers me a lot: How can I move passwords from my old keychain to the one created by the installer when it performed a clean install ...
6
votes
1answer
935 views

Emacsify OSX throughout: word-forward (⌥ + F) and word-backward (⌥ + B) instead of 'special characters'?

Yes, the OSX already supports ⌥+← and ⌥+→ for moving the cursor word-backward and word-forward, but reaching for arrow keys is annoying. So, why not rather have ⌥+B and ⌥+F do this? I mean, not once ...
5
votes
1answer
11k views

Is there a way to limit the size of the disk swap file in Mac OS X?

It seems to be that in OS X, whenever you are out of ram the system happily swaps to disk. This easily becomes an disaster due to the fact that the swapped out memory eventually fills my drive. On my ...
4
votes
2answers
13k views

Advantage of doing a clean Install of Mountain Lion?

I have Mac OS X Lion 10.7.4 installed in my Macbook Pro. When I upgraded to Mac OS X Lion from Snow Leopard I did a clean install since some applications weren't compatible with Lion. I am planning to ...
4
votes
1answer
1k views

Where should shell tools be installed?

Are there Apple guidelines for where user shell tools in Mountain Lion should be installed? Some (e.g. TeX, or Apple's Git) end up in /usr, and others (e.g. X11) seem to end up in /opt (sometimes with ...
2
votes
3answers
25k views

How can i reset my Terminal?

just some time ago i installed the OS X Server app on my mac and since this day it always appears server as the chosen directory in my terminal. But because i dont really like the Server application ...
2
votes
3answers
6k views

MacBookAir kernel_task at 300% and rising [duplicate]

I have a MacBookAir5,1 connected to a Thunderbolt Display. When it gets very hot, PID 0 "kernel_task" uses ever more CPU until reaching 340% and slowing the Mac down sufficiently to make me restart ...
11
votes
4answers
14k views

Eclipse 4.2 on Mountain Lion: gatekeeper rejects as unidentified developer?

Just updated the mountain lion, and download the latest Eclipse 4.2 to upgrade the old one. However when opening the application, it shows that it is from an unidentified developer and the gatekeeper ...
9
votes
1answer
3k views

Quicktime records a green screen

When I record a screen with a standard QuickTime Player functionality, I get a completely green video. I'm using Mac OS X 10.8, Mountain Lion, and a Retina MacBook Pro 15". Does anybody know what is ...
9
votes
3answers
13k views

How to fix Terminal error DYLD_ environment variables being ignored because main executable (/usr/bin/login) is setuid or setgid?

Any time I open a new terminal window (independent of terminal app), the console stderr displays dyld: DYLD_ environment variables being ignored because main executable (/usr/bin/login) is setuid or ...
7
votes
2answers
60k views

Is It Possible To Still Upgrade To OS X 10.8 Mountain Lion?

For those Mac owners still on OS X Snow Leopard, does the possibility exist to upgrade to OSX 10.8 Mountain Lion rather than to 10.9 Mavericks?
6
votes
4answers
21k views

Just upgraded to Mountain Lion and I have to buy iPhoto again?

I originally was on Leopard. Then I got the free upgrade to Snow Leopard. I bought Lion when it was released and removed it after a few months because it made my machine too slow. I upgraded the ...
4
votes
1answer
559 views

Is there an app that will notify me (in notifications center) if a process is using up a high percentage of CPU for a specified amount of time?

The other day, I was sitting in a coffee shop working, when I looked down to find that 25% of my battery was left. I looked at my Activity Monitor and saw that the time machine process was going at ...
3
votes
1answer
2k views

How to save sent messages in same folder as message being replied to?

One of my favorite features back when I used Outlook was the option to save sent emails in the same folder as the message being replied to. For example, if I had moved a message to folder A and was ...
3
votes
2answers
8k views

Why might one USB port be problematic on a MacBook Pro?

Background I sometimes find that the frontmost of three ports on a 2009 MacBookPro5,2 is less capable than the other ports. This frontmost port with an independent bus seems: good enough to ...
3
votes
3answers
361 views

How To Fresh Install ML

I'm having some problems with entering sleep and wakening, so I'm considering making a fresh installation of Mountain Lion. How can I make a fresh install of ML? I have Bootcamp partition which I'd ...