OS X 10.8, Mountain Lion

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13
votes
7answers
5k views

How do I enable the Debug menu in Calendar?

The following command entered in Terminal will enable the Debug menu in iCal (Lion): defaults write com.apple.iCal IncludeDebugMenu YES I would like to accomplish the same thing in Calendar ...
7
votes
3answers
13k views

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

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, ...
7
votes
3answers
8k views

How can I create a new Recovery Partition on EXTERNAL disk?

I want to enable encryption on an external FireWire disk. The disk has been formatted a while ago (2+ years), and when choosing "encrypt volume" from the Finder context menu, Mountain Lion refuses ...
6
votes
2answers
3k views

Disable inactive memory swapping

Background: OSX keeps some information in RAM that is no longer used, but was recently used. This is called inactive memory, and is intended to improve user experience by speeding up some actions: ...
18
votes
4answers
9k views

Delay in keyboard responsiveness after wake with Mountain Lion?

After upgrading to Mountain Lion, now when I open the lid to my 2010 13" MacBook Air, there is a 3-5 second delay between when the screen powers on and when the keyboard will respond to key presses in ...
8
votes
4answers
43k views

How to fix broken EFI partition?

I have an iMac running OSX Lion. I also installed bootcamp and Windows 7. During the install of Windows 7 I wasn't paying complete attention and deleted and formatted the EFI partition. I didn't ...
6
votes
2answers
7k views

Hide a running app from Dock?

Is there a way I can hide a running app's dock icon Mac OS X?
4
votes
5answers
6k 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 ...
16
votes
4answers
8k 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 ...
12
votes
1answer
4k 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, ...
12
votes
2answers
9k views

Why are some Mail messages shown as empty with “This message has no content”?

Sometimes new messages come in and Mail (on OS X Lion and Mountain Lion) shows them as empty, with "This message has no content" in the preview column. The message is empty in the full message view ...
10
votes
2answers
5k 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 ...
8
votes
1answer
498 views

Why are the alias so big in filesize in Mountain Lion?

I noticed the alias(es) that I create in Mountain Lion are very big in filesize (for example an alias to a folder is 5.8MB!) Compared to Leopard, they were just about 500KB. Why is this? and is ...
7
votes
6answers
3k views

Can Mountain Lion's Preview.app be configured to use Lion's highlighting colours?

The highlight function in the Mountain Lion version of Preview.app is now directly accessible from the toolbar, while the other annotation functions keep their usual location. The problem is that ...
6
votes
1answer
4k views

Uninstall Java Mountain Lion

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
4answers
1k views

Mountain Lion sometimes hangs when mouse enters Dock – pointer is movable, but the MacBook Air seems otherwise frozen

I have a mid-2011 13" MacBook Air (MacBookAir4,2 with Intel HD Graphics 3000). Since installing Mountain Lion I sometimes encounter a problem when I move the mouse cursor over the dock to click ...
0
votes
3answers
7k 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 ...
16
votes
8answers
2k views

What features from Lion will be lost when upgrading to Mountain Lion?

I know Mountain Lion has some cool new features that Lion did not have, but will it overwrite any of Lion's functionality?
7
votes
1answer
9k views

Ruby 2.0.0 install via RVM: errors surrounding openssl

Using: Mountain Lion 10.8.2, RVM 1.18.15 Having trouble with, apparently, openssl when trying to install Ruby 2.0.0 via RVM: $ rvm install 2.0.0 ... Extracting openssl to ...
6
votes
3answers
4k views

How to make the Backspace key to take me to the previous page in Safari 6?

Backspace/Delete ⌫ no longer works as a back button in Safari 6. How to make the Backspace key to take me to the previous page in Safari 6?
5
votes
3answers
7k views

How do I locate applications that drain my battery on a MacBook Pro?

I purchased a new Macbook Pro and have since downloaded a ton of applications and add ins. I think some of these apps are responsible for draining my battery too quickly. How do I identify what ...
2
votes
2answers
25k views

How can I re-run the initial Setup Assistant on Mountain Lion?

As described in my write-up on custom keyboard layouts, in some situations it can be useful to re-run the Setup Assistant (the app that you get when you start a new Mac for the first time, or do a ...
13
votes
3answers
13k views

How to change the default Mail account in Mountain Lion?

I have 2 mail accounts configured. When composing a new message, it will default to the account for the currently selected mailbox, which is fine. However, when no particular mailbox is selected (when ...
10
votes
5answers
5k views

How can I dismiss the App Store banner in Notification Center without taking an action?

This is the notification that pops up from the App Store on Mountain Lion: As you can see, the only options are Details and Update. Most of these banners have a 'close' button, to dismiss the ...
9
votes
4answers
9k 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 ...
8
votes
1answer
2k views

Why does it appear that I apparently “do not have access to Command Line Tools” in ML?

I just upgraded to Mountain Lion, and now gcc, make, g++, etc. are not found when trying to launch them in Terminal. So I went to Xcode Preferences, Downloads, and clicked "Install" next to Command ...
6
votes
3answers
5k views

Install 2 different OS X versions on the same machine/hdd

OK, here's my situation : I am a developer needing to debug under different OS X versions I currently own 2 macs : a MacBook Pro and an iMac the iMac has Snow Leopard (10.6) on it - it came ...
6
votes
4answers
3k views

For a FileVault user of Mountain Lion: can I avoid the automated login, which normally follows unlock of the encrypted startup volume?

I have FileVault enabled with two users: AdminGuy OtherGuy. I want AdminGuy to: have the ability to unlock the HD, and therefore only he can enter a u/n + p/w at boot to start boot up have the ...
6
votes
1answer
3k views

Updating everything installed through Homebrew on Mountain Lion [closed]

After updating to 10.8 ‘Mountain Lion’ I’m wondering whether it would be vise to rebuild everything I have installed through the packaging system Homebrew (similar to MacPorts) to ensure all ...
5
votes
1answer
2k views

Mountain Lion Crashing while hibernating

I had one crash yesterday and one tomorrow on my iMac running mountain lion while the computer was hibernating. In both cases the computer restarted alone. The messa is always the same: mountain lion ...
4
votes
2answers
3k views

Why does OS X now think I have two partitions on my external USB drive (plus random connection issue)?

I have an external USB drive that I have plugged into a USB hub, which gets unplugged from my computer about once a day. Most of the time I remember to unmount the drive before disconnecting so that ...
4
votes
2answers
3k views

Why do I have repeated “Are you sure you want to open it?” messages when launching applications?

My Security settings are set to "Mac App Store and identified developers". I'm still getting this problem though I've allowed the app to run more than once as an Administrator. Specific apps that are ...
4
votes
1answer
3k views

What is trying to launch 'java' on my Mac OS X Mountain Lion [duplicate]

Possible Duplicate: Is there a way to determine what application wants Java installed? I recently installed OSX Mountain Lion and as you know, the default install removes any java VM, ...
4
votes
3answers
1k views

How can I download something with display turned off (Ctrl+Shift+Eject)?

In Lion I could just press Ctrl+Shift+Eject to turn off display on iMac. In Mountain Lion it looks like this shortcut turns off whole computer. It looks like sleeping mode. So my downloads stop when ...
4
votes
2answers
3k views

Installing a Lion Vm within Mountain Lion

I have a few issues with Mountain Lion that mean I need to have occasional access to a Lion installation. I have bootable clones of my old Lion install before I upgraded, but sometimes I only need to ...
4
votes
3answers
4k views

How can I restart Finder when it keeps “stopping” an stopped copy process?

Every now and then, mostly with USB sticks, Finder decides to copy forever, either at the end of the copy process (i.e. the files are already copied), or at the very beginning. Stopping the process ...
3
votes
7answers
6k views

How to get a complete list of all applications installed?

Using OSX 10.8.4., I am having a hard time finding a complete list of all software applications installed on my Mac. Of course, the Launchpad only shows the list of those that have an app shortcut ...
3
votes
1answer
1k views

How can I disable shift + control + scroll zoom in chrome?

I use ⌃ ctrl + ⇧ shift + ⇥ tab to move between tabs in Chrome, but if I scroll with the touchpad it'll zoom the page. This happens quite a lot and it's frustrating. Is there some way I can disable the ...
3
votes
2answers
4k views

Internet Sharing from WiFi to Ethernet doesn't work in Mountain Lion

After upgrading from Lion to Mountain Lion, it seems like internet sharing no longer works. With the settings: Share network from: WiFi To computers using: Ethernet When Internet Sharing is ...
3
votes
1answer
8k views

Create new partition in unallocated space with diskutil

I have deleted the first partition on my external HD such that it now has 100GB of free space at the beginning of the partition. I'd like to reclaim that space, but Disk Utility doesn't let me create ...
3
votes
1answer
988 views

Is it possible to run Mountain Lion on older hardware by using a virtualization solution?

I'm wondering if anyone has gotten Mountain Lion to run on any hardware in virtualization (VMware Fusion, Parallels, VirtualBox or other...). If so, it would be interesting to know how well (if at ...
3
votes
2answers
1k views

Is it possible to dual-boot Mac OS X 10.7 Lion and Mac OS X 10.8 Mountain Lion?

I want to try out the new version of OS X (Mountain Lion), but since I'm so comfortable with my current installation of Lion, I do not want to do a normal upgrade and install/customize all my programs ...
2
votes
2answers
2k views

Mountain Lion: Use standard keyboard function keys, F1, F2, etc.?

I'm having issues with Mountain lion in which I am unable to use my non-Apple keyboard's function keys, i.e. F1, F2 etc. Upon firing up System Preferences ➤ Keyboard, this is what I'm greeted with. ...
2
votes
1answer
558 views

Why do I get serious execution lag on clicks, application switching and general usage

I have an MBP 8.1, early 2011, 13 inch, Mountain Lion. Whenever I leave it on for more than a couple hours, I get serious execution lag on every command. For example: I click something (a link, ...
2
votes
2answers
12k views

Will Mountain Lion run on an early 2008 MacBook White?

I know it isn't in Apple's list of supported Macs, but I want to know if anyone has tried it. Also, my Mac has 4GB of ram and plenty of disk space. It currently runs Lion.
1
vote
2answers
4k views

How to install Windows 8 with BootCamp 5 Assistant via USB?

I was able to put Windows 8 setup files on my usb from the installer. Now I just upgraded my machine to Mountain Lion. I have gone through the BC Assistant and it only asks for my Windows CD to be put ...
1
vote
1answer
2k views

Disable Screen sharing via the command line in mountain lion

I want to be able to enable and disable screen sharing from the command line rather than through System Preferences. This is on 10.8.3 To enable screen sharing, I find I only need to change a ...
11
votes
4answers
7k views

Can sudo's annoying message be removed from Mountain Lion 10.8.0?

After the upgrade to 10.8.0, whenever I do a sudo, I always get this message: dyld: DYLD_ environment variables being ignored because main executable (/usr/bin/sudo) is setuid or setgid I have ...
8
votes
3answers
2k views

OS X Mountain Lion - Kernel Panic and Restart after Sleep

I have a mid-2009 15" MacMook Pro, with 10.8.2 installed. Periodically, after sleeping my machine, I open it and hit a kernel panic. The logs fail at the AppleIntelCPUPowerManagementClient kext, and I ...
6
votes
2answers
11k views

How to block internet traffic of an application?

Little Snitch can block internet traffic of a particular app. Can I do something similar without (paying) Little Snitch?