OS X 10.8, Mountain Lion

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686 views

Can't install Mountain Lion on a machine that has Mavericks installed, even on a separate disk/partition

I have upgraded my Mac mini 2012 to Mavericks, and everything is running quite well. However, it turns out that I need to also run Mountain Lion sometimes (a piece of hardware I need to use is not ...
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0answers
40 views

Dock background disappears. Bug or trouble?

It's already the second time that this occurs. I switch from one user to another and the dock has no background. It looks pretty cool but I don't understand if there's a problem on my hard drive setup ...
4
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1answer
23k views

How to install OS X 10.8 (Mountain Lion) on VirtualBox 4.3?

I've seen a lot of variants of this question, but most are pretty old, and don't quite match my use case. How the heck do you get 10.8 (Mountain Lion) running on the latest version of VirtualBox, ...
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4answers
391 views

MacBook Air serial number

I am seeking to find a Macbook Air serial number from within the backup files created by the Mountain Lion operating system and stored on an external hard drive. Exactly which file do I need to be ...
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1answer
197 views

don't show contact photos in mail message view

How do I disable showing of the contact photos in OSX mail in the message headers in the message view? The faces distract me from the messages. They are pulled from some ldap server based contact list ...
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2answers
173 views

How can I get a OSX mountain lion installer for deployment testing?

I have a macmini which came with Mountain Lion preinstalled as from factory. I need to create a virtual machine on this macmini (OSX host/OSX guest) with the same version for end-user deployment ...
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1answer
716 views

Running Mac OS X in non-apple hardware [duplicate]

I want to know if its "legal" to run Mac OS X in non apple hardware. If not, what is the point of having to run Mac OS X in a apple hardware, when apple hardware is running Mac OS X already.
1
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1answer
86 views

White Login Screen?

Whenever I boot up my mac, I get a white login page with only my user on it. This started after I entered single-user mode to give myself admin (this is a school laptop... shhhhh ;) ) I can boot ...
2
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1answer
126 views

Why it shows "You are opening the application 'Xcode' for the first time?

I am running XCode v.5.1 in my Mountain Lion, I don't know why, but I'm getting this message after a successful start of Mac computer. I was already using this version of XCode before and now ...
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1answer
6k views

What's up with “paused” applications in Launchpad?

When I activate Launch on both my Mavericks and Mountain Lion systems, a few of the application icons are (seemingly permanently) greyed out and marked "Paused" with an empty progress bar. It isn't ...
2
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3answers
388 views

MP3s cause QuickTime to crash - how do I reinstall QuickTime on Mountain Lion?

QuickTime crashes whenever I try and play an MP3. It says 'QuickTime Player quit unexpectedly'. This is for all MP3s. Ableton Live also refuses to load any MP3s, either because QuickTime is broken, ...
2
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1answer
167 views

Invalid Argument using ditto

I'm using a backup script on my server that uses ditto and I keep getting the following error: ditto: /Volumes/BKP/Daily_bkp.051114/VM Share/Machine/Backups/backup_copies.cmd: Invalid argument This ...
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2answers
315 views

How can I save all modified files in Preview in one go?

When I open several images in preview and apply quick modifications in succession I would like to close preview and save all the files without questions. Unfortunately preview keeps asking for each ...
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1answer
126 views

Is Maverick faster than Lion on a MacbookPro year 2009?

I want to format and reboot my old 15" MacBook Pro year 2009 (2.4 GHz, Intel Core 2 Duo, RAM 8 GB). I'll use it with Office, Chrome and VLC, nothing else. Given that, what's the best choice between ...
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1answer
299 views

Damaged hard drive due to magnet damage (Macbook Pro)

I am able to get internet recovery on my Macbook Pro that I previously wiped with a magnet I was trying to re-install OS X Mountain Lion again but when I got to the 'choose a disk' there was no ...
1
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1answer
201 views

What is the source of the Earth and Moon wallpaper?

What is the original source of this wallpaper, introduced in Mountain Lion? I'm guessing was taken on a Gemini or Apollo spaceflight, but I can't find it in any of NASA's albums, and the image has ...
1
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1answer
336 views

Is it possible to change Calendar.app's color scheme to give today a more distinct background color?

I'm running 10.8.5. I use Calendar.app pretty heavily (it's hooked up to the Exchange server at work) and my only continual beef is that the current day doesn't stand out enough visually. I don't ...
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1answer
55 views

How to burn a dvd on 10.8

I have a .mp4-file I want to burn to a DVD to then watch on a dvd player and have automatically loop infinitely (can you program that into the dvd or is it to do with the dvd player?) What would you ...
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3answers
30k views

MacBook Pro can't boot: shows Apple logo then grey screen

There is a MacBook Pro from 2012 with Mountain Lion that won't boot. The Apple logo is showing, the spinning wheel and then it just goes to a solid grey screen. I've tried to hold Cmd+R while ...
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0answers
149 views

Mouse cursor sporadically stuttering, “IOHIDSystem cursor update overdue. Resending.” revisited

this is a new (improved? ;)) version of this post, which never got an answer. I've been having the same issue off and on for a while on different hardware and OSes. First: 2008 Mac Pro Dual 2.8Ghz, ...
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0answers
1k views

Apparent GPU Problem on Macbook Pro 6,2 Mid-2010 A1286

If my friends son goes to Pbskids.org, and the cursor goes to the top left of the screen, the computer gives the grey screen with the error message, and must be restarted with the power button. It may ...
3
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1answer
312 views

Software-only way to disconnect and reconnect a USB device?

I have a DisplayLink 3rd monitor on a Mac Mini. Half the time I wake the computer up, the DisplayLink syncs but the graphics onscreen are garbled. Reaching behind the computer and ...
3
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1answer
788 views

Can I disable Safari's pinch-to-zoom tab switcher?

When looking at a PDF document I often want to zoom-out to scroll quickly to its contents and get an overview. However, when I zoom-out past a certain threshold (it seems to differ per PDF) Safari ...
2
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1answer
345 views

Automator list of urls - no results

I have a list of URLs as input, and I'm trying to get image on the pages in order to download them. I'm filtering the text and passing it to the 'Get Image URLs from Webpage' action, but it's not ...
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2answers
199 views

'which openssl' returns nothing when trying to upgrade OpenSSL

I've been working the last day or so to get openssl upgraded on my machine. I've followed the answers here and here and now I've got some pretty funny results. When I type which openssl I get no ...
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2answers
39k views

Blinking question mark on folder on boot

I am attempting to boot up my 2009 MacBook Pro, but when it starts it immediately shows a white screen with a 'question mark folder' — it keeps blinking until the computer shuts down (unless I keep it ...
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3answers
85 views

How to copy my Mountain Lion system to another drive?

I'm considering upgrading at long last to Mavericks, but need to feel confident that all my apps & workflows will work properly before committing 100%. I boot off of an external Thunderbolt SSD ...
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0answers
1k views

Mac OSX: strange shaking (jitter) of screen

I noticed that sometimes a strange interference in rendering happened on my screen. I thought it was some minor issue with hardware. It happened 2 or 3 times a few months ago and I didn't think much ...
2
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2answers
667 views

How to login as a different bash user in terminal?

I have to check if my web page running locally on nginx does not work due to permission issue. My web scripts are running as _www user, so I tried to switch to _www but this does not work: ...
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1answer
73 views

Is it safe to lock my startup disk?

A mysterious file keeps appearing on my startup disk. It's most likely a typo in a script or something, but even though it's being created with my user account as the owner, that hasn't helped me ...
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0answers
194 views

System freezing during time machine backup in higher performance graphics mode

Starting in 10.8.x and continuing in 10.9.2, I notice my system freezing when running a time machine backup while "higher performance graphics" are enabled. When I say "freeze", I mean that the ...
15
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3answers
21k 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 ...
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0answers
244 views

Allow access to www.bbc.co.uk/cbeebies, but not www.bbc.co.uk

I'm using OS X Parental Controls to limit what my son can do on our Mac. He has his own user account, managed by the Parental Controls. Under Website Restrictions, I've chosen "Allow access to only ...
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0answers
156 views

Mail.app on iOS 7.1 not syncing with Mail.app on Mountain Lion

I have an iPhone 5s and an iMac running Mountain Lion. When I mark a message in Mac Mail as read, it doesn't sync on the iPhone. I have me.com email on both. They used to sync just fine until I ...
1
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1answer
409 views

Can't chmod or chown a file in TimeMachine backup directory

When trying to restore a certain directory from TimeMachine (TM) I'm getting the error The operation can't be completed because you don't have permission to access problem_group_file.png. Looking ...
2
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1answer
2k views

What is the technical reason why OS X can't write to NTFS devices?

Mac OS X can't write to a hard drive with the NTFS format. It can, however, read it. Why can't it write to it? My basic understanding is that a file format dictates how is data stored and retrieved ...
2
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0answers
2k views

How can I get all my open TextEdit documents back?

I have a bad habit of having zillions of open documents in TextEdit, containing brief notes that I've made. Most of these are unsaved, so they have titles like "Untitled 67". Usually this isn't a ...
1
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1answer
129 views

Using XQuartz for communicating to the Centos server using local graphical user interface

I wonder how to use XQuartz to communicate with the Centos server through a local graphical user interface on my Mac? I did the following steps so far, and the result so far is just connect to the ...
1
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1answer
199 views

How can I convert a text selection to upper case in Apple Mail with a keyboard shortcut

Apple Mail version Version 6.6 (1510) OS 10.8.5 Is there a keyboard shortcut for converting the case for a text selection in the message editor? I know I can right-click and access this from the ...
2
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0answers
66 views

iMac 27" intermittently fails to reach login screen after Mountain Lion Upgrade

I have recently upgraded to Mountain Lion from Snow leopard and now the system will not always go to the login screen. (iMac 27" circa 2010 standard as it came from Apple no upgrades) I have tried ...
2
votes
1answer
220 views

Modifying .plist with shell changes .plist order

I wrote a simple shell command and saved it as .command. The shell command is simply: defaults write /Users/Milo/Desktop/MyPlist "My Key" "My Entry". The issue that I'm having is that after running ...
4
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2answers
1k views

What is causing this Kernel Panic (GPU Panic)?

My MacBook Pro keeps crashing. I can find no pattern to what causes it. Sometimes it goes for a day without crashing. Sometimes it crashes repeatedly. I've run an Apple Hardware Test (holding down D ...
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0answers
22 views

Java - Mistakenly removed /System/Library/Frameworks/JavaVM.framework/Versions [duplicate]

Using Mountation Lion, I've mistakenly removed all of the content in /System/Library/Frameworks/JavaVM.framework/Versions How can I get java working again on my machine? (I don't have it in Trash) ...
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0answers
94 views

Profile Manager 2 (10.8.5):

We are using Apple Profile Manager 2 on mac 10.8.5, the issue we are having is as follows. In the configuration of a device group under the restrictions payload, the setting to restrict applications ...
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1answer
1k views

Where are the /dev folder and the /dev/null device located on Mac OS X Mountain Lion?

I am trying to find them on my Mac OS X Mountain Lion and it seems they do not exist. I do not think it is a problem of folders privileges. Maybe it just doesn't exit and I have to create them.
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0answers
37 views

VNC window resizes constantly

When I Command+K to VNC into my other Mac, the window constantly resizes. The guest is running 10.8.5, the host machine is running 10.9.2. It doesn't happen all the time. How can I fix this?
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2answers
1k views

OSX programs crashing, 'Kernel: file: table is full'

Over the last few months, I've seen increasingly erratic behaviour on OSX (10.8.5). Chrome won't load elements on a page, my dev tools crash etc. Recently I had a look in Console and found that ...
2
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0answers
62 views

How can I get quicklook to ignore network volumes?

How can I modify com.apple.qtkitserver.sb to ignore a certain network volume? For example, I don't want quicklook to build previews of graphic assets that are on a server. When I access a netatalk ...
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3answers
61 views

Want to view images in sequence and delete

I have downloaded photos to an iMac from camera into folders, not iPhoto. I want to view the images on full screen in sequence and delete images as I go through them. I have come from Windows where ...
0
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1answer
139 views

Should I format and upgrade to mavericks or upgrade to mavericks and format?

I am planning to upgrade on a Unibody Macbook (2008) to Mavericks. Mountain Lion is already installed and I felt it to be a bit sluggish when I upgraded. I also would like to start anew and clear some ...