Lion is the marketing name for OS X v10.7, the seventh major upgrade to OS X. As of this release, Mac was dropped from the marketing name of "Mac OS X".

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5answers
46k views

Is there a shortcut which invokes the “Login Window…” fast user switching command?

Firstly, let me say that there's two questions on Think Different that claim to answer this question but do not: Does the MacBook Air have a Fast User Switching (Login Window) shortcut key? The ...
23
votes
5answers
63k views

How to remove an accidentally dropped file shortcut icon from Finder toolbar?

I accidentally dropped a file in the Finder toolbar instead of the destination folder (the ZIP icon on the right of the screenshot): How can I remove it from the toolbar?
23
votes
2answers
9k views

What's the correctly way to make Postfix run permanently on Lion (not server)

I can start Postfix temporarily with: $ sudo launchctl launchd% start org.postfix.master However, Console.app shows that it only runs for a short time: 26/11/11 2:00:55.710 PM postfix/master: ...
23
votes
6answers
5k views

How do I prevent document preview over slow connections?

Once in a while I have to work over a 3G network, which is reasonable, until I mount a file system on the other side of the world. When that happens OSX tries to show me "previews" of every single ...
23
votes
7answers
48k views

How can I install Mac OS X Lion in VirtualBox, or any other type of virtual machine?

I purchased bought a license of Lion and heard that it supports virtual machine install. I want to install Lion into my VirtualBoxVM on Lion on an iMac. How can I do this?
22
votes
10answers
50k views

How do I sync two folders in OS X Lion?

I have some files and folders on a USB drive connected to my iMac...I would like to sync them with a folder on my iMac...how do I do that? Is there built-in functionality in Lion that allows me to do ...
21
votes
1answer
11k views

Set iTerm2 as the ssh:// URL handler

Currently, Terminal is set to handle SSH urls. For example, if I do: $ open ssh://machine.example.com Then it will spawn a new SSH session in terminal. I'd like these to be opened in iTerm2 ...
21
votes
8answers
44k views

Macbook Air + Lion + Windows 7 Boot Camp + shared partition

I would like to setup my Macbook Air's disk drive with 3 partitions - 50Gb for OSX Lion, 50Gb for Windows 7, and the remaining 150Gb for Data to share between both OSes (music, photos etc). What's ...
21
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5answers
125k views

Is there an application like Connectify for Mac OS X Lion?

There is a well known app for Windows named: Connectify, used to share a wifi connection between a computer that only has wifi with other devices which requests that connection from the computer. ...
20
votes
4answers
12k views

Disable a user's ability to unlock a FileVault 2 volume at startup/login time

I recently performed a clean install of Lion on one of my Macs. The installation process created one administrative user account. After installation, I enabled FileVault for the entire disk. Then, I ...
20
votes
4answers
5k views

How do so set “date added” metadata in Mac OS X 10.7 Lion

The Finder in Mac OS X 10.7 Lion shows a new piece of file metadata, "Date Added," which tracks the date an item was added to a folder. After upgrading to 10.7, none of the items in my ~/Downloads ...
20
votes
3answers
4k views

Macbook Pro Retina running at native resolution

A question I've had in my head since I first saw screenshots of the display preference pane on the new Retina MBP is this: Can it be made to run with what you could call a 1.0 UI scaling factor (same ...
19
votes
5answers
41k views

Where is the httpd error log file on Lion?

I'm running a local web (development) server on my mac with apache installed. I'm sure it depends on my apache config but basically I just want to run tail -f /var/log/httpd-error.log in a terminal ...
19
votes
6answers
14k views

Where did /usr/bin/git come from?

I have a small problem. At some point I used git but I don't remember if it was installed by default on Lion. Here is the version and path of git: $ git --version git version 1.7.5.4 $ which git ...
19
votes
11answers
65k views

How to fix slow Spotlight and Time Machine after upgrading to 10.7.5?

Since updating to 10.7.5 both Spotlight and Time Machine are very slow. To index a normal system drive Spotlight calculates to need several days. As a result Time Machine takes up to an hour or more ...
19
votes
2answers
14k views

Can I force Mac OS X to select certain Wifi network?

When I turn on Wifi on my MacBook, it always selects some open network. Can I somehow force the system to choose another network (it is password-protected but I have the password stored in the ...
19
votes
3answers
52k views

How to turn Mac OS X Lion into a web server?

After using MAMP for ages, I found out I could actually use Snow Leopard's built-in Apache server. Now that I've upgraded to Lion, I have no idea how to do this anymore. Do you know how to turn my ...
19
votes
12answers
21k views

What is an quick way to create a new blank file in Lion?

In Windows, one can create a new file using Right Click -> Add New -> Type of File. Is there an analogous action in Lion? I just want to create a new blank file on my Desktop.
19
votes
4answers
21k views

Copy and Cut sometimes don't work [closed]

My system is kept fully up to date and I still see this problem intermittently, although not as often as I used to; I would say that this has not been fully fixed. If there are any workarounds ...
19
votes
4answers
3k views

Is there a way to suppress badge counts and the dock icon bounce for Terminal.app in Lion?

With the new state saving features (which I want to keep), the dock notifications are more aggrivating to me in Lion. Can I suppress the bounce and/or the notification badge functions? While I like ...
18
votes
6answers
9k views

How can I expand the number of special characters I can type using my keyboard?

I am aware that when I press ⌥ or ⇧⌥ on my Mac, I can type a variety of special characters. I also know that I can insert special characters using the character palette. Is there a way to expand the ...
18
votes
3answers
14k views

Can I use Back To My Mac's mDNS address and for ssh and other routing of traffic?

On Lion and iCloud, the old MobileMe and Snow Leopard mDNS naming has changed and no longer works. I'm wondering how to use command line tools to find out the DNS name that Apple has assigned to my ...
18
votes
7answers
23k views

Spotlight reports “Indexing and searching disabled” in Lion

Lion keeps "losing track" of Spotlight information. Directories and Applications disappear, full text searches stop working, etc. I seem to need to re-index it once a week or so. However, now it ...
18
votes
4answers
60k views

Why won't my MacBook Pro connect to Wi-Fi networks that use a sign-in page (captive portal)?

Some wi-fi networks require viewing and agreeing to terms before Internet access is allowed. When my MBP connects to such a network, it attempts to redirect and isn't able to connect. I tried all ...
18
votes
4answers
12k views

Is there a way to refresh a Finder file listing?

I love my Mac and how things generally just work. Now and again, however, one finds a few annoyances. My latest one is that I cannot find a refresh button anywhere to update a file listing in a Finder ...
18
votes
1answer
2k views

How can I switch dialog buttons using the keyboard?

Whenever I'm trying to close a file that has been changed, I get the save file dialog I remember that the Don't Save button used to have focus, so I could press it using Spacebar, while pressing ...
18
votes
4answers
23k views

How do you delete apps from Lion's Launchpad?

When pressing alt/option in Lion's Launchpad, only some icons get the delete X overlay to remove them. How do you delete the others? I've read that control-option-command should do this, but it ...
18
votes
10answers
17k views

Why is Preview excessively slow after upgrading to Lion?

After upgrading to OS X Lion, I noticed that my preview app is now excessively slow, taking minutes to open a file instead of seconds, even when opening a local file. In addition, it is often ...
18
votes
3answers
5k views

How can I change Fn keys usage based on application?

I would like to know if there is any application that can enable you use use Fn keys differently based on the current application. For example in terminal or you favourite IDE you want to use them as ...
18
votes
10answers
15k views

How do I go back and forward in Chrome using a Magic Mouse in Lion?

Before installing Lion, I could use the "double finger left/right swipe" gesture to go back and forward in the history in Google Chrome. After installing Lion, I can't find any mouse gesture that ...
17
votes
3answers
4k views

How To Disable Lion Ellipsis Autocorrect

Every time i write ... in a text editor like TextEdit or Coda, Lion has started replacing it with a single Ellipse character, which doesn't encode to HTML. This started after I upgraded to Lion and ...
17
votes
2answers
5k views

Can I hide the sync icon in the menu bar on Lion?

This menu bar icon is useless and takes up space. I use iCloud on Mac OS X Lion to sync contacts, calendars, and the like. On Snow Leopard I could use an option in the iSync preferences to remove ...
17
votes
9answers
12k views

Can an app window be minimized by clicking its Dock Icon?

Something that bothers me as Windows User on OSX that I can't minimize an App Window by clicking the Dock Icon of the application. Is there a hidden setting for enabling this behavior or an utility ...
17
votes
11answers
85k views

Why is Apple hardware test (AHT) not loading when pressing key D on system start?

I purchased a Late-2011 MacBook Pro 15" used a month ago. At the time of purchase, I successfully ran the Apple Hardware Test. I've since installed a new SSD and aftermarket RAM. The computer appears ...
17
votes
7answers
9k views

Can I manually limit the %CPU used by a process?

I would like to limit the amount of CPU time dedicated to certain processes (e.g. Firefox, Safari, ...). I can't understand why such programs, even when not used (nothing loading, no animations, ...
17
votes
5answers
61k views

How can I create a multipage PDF from JPG's in Preview?

I just upgraded to Lion recently. When I was on Snow Leopard, creating a multi-page PDF document in Preview was simple: I would open up the image Save it as a PDF Open up the PDF Open up the panel ...
17
votes
4answers
17k views

Installing Xcode via command line

I am a Linux user and have never used OSX before. Someone asked me for help with installing some software on an OSX "Lion" server. I asked him to give me an SSH shell, assuming that would be ...
17
votes
6answers
4k views

Lock keyboard in lion

Is there a way to lock the keyboard in Lion? By "lock keyboard" I mean some way to make the computer ignore almost any keypresses, except some special "unlock" sequence. Maybe an OS X feature or ...
17
votes
2answers
5k views

TextMate 2 Bundle creation

In TextMate 2, how can I create a new Bundle? I´m using a programming language which so far doesn't have a bundle (so no syntax highlighting, snippets and so on). TextMate 1 used to have a Bundle ...
17
votes
3answers
28k 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 ...
17
votes
2answers
8k views

Arrange by exact file type (not just by kind) in OS X Lion

Currently .mp3, .aac, .m4r, etc. are all looked as "Music". So when I do an Arrange or Group By in the Lion Finder, all of these files get displayed under the heading "Music". Is there an option to ...
17
votes
4answers
19k views

Upgraded to Lion: Time Machine spends a LOT of time indexing backup

I upgraded my MacBook Pro to Lion and one of the problems I've had is that Time Machine keeps running and running, and the fans go on. This usually seems to be in the state where it indexes the ...
16
votes
16answers
3k views

Apart from being able to encypt an entire volume, what are the other differences of FileVault 2 over FileVault?

Does FileVault 2 in Lion have any other differences compared to the old version, FileVault in previous releases of the system? Are there any additional benefits to using the new version?
16
votes
1answer
47k views

How can I re-map Mail's “Sent Messages” folder to an IMAP server's “Sent Mail” folder?

I use Mail to connect to a traditional IMAP server (non-Gmail). I've noticed that all the messages I send are placed in Mail's "Sent" folder and that Mail is translating this folder to a server folder ...
16
votes
6answers
21k views

MBP Lock screen hotkey without sleeping?

I'd like to press a key combo to get my computer to the lock screen. In Windows the shortcut was Windows key + L. On Mac I press CMD+ALT+Power which turns the laptop off and puts it into sleep. I want ...
16
votes
6answers
40k views

How do I use only the external display with my MacBook Pro lid open on Lion?

Sorry for the wordy title, but my problem is thus: When I'm at my desk, I would like to use only the external display. With the nifty gestures in Lion, I have decided I would like to use the ...
16
votes
4answers
29k views

Reducing Lion OS Footprint by removing unnecessary files/folders

I am trying to downsize my iMac 640Gb disk to make it fit onto a 120Gb (113Gb usable) SSD. The total size of use files is currently approximately 340Gb, of which my home folder accounts for 265Gb ...
16
votes
6answers
9k views

How can I open a Finder window in Desktop without switching to another one?

I have these five desktops with a dozen of full screen apps and feel very happy. Say I'm at right Desktop 5 now. (Sadly my picture is deleted since it wasn't uploaded to the site hosting service) ...
16
votes
7answers
5k views

How can I create a Saved Search that excludes a specific folder from the results?

I'm trying to set up a Saved Search of my Mac that will exclude files in a folder called 'XYZ' from the search results. The reason is because I'm getting a ton of false positives from that folder that ...
16
votes
3answers
3k views

Is it possible to burn a DVD out of the Lion app store install?

Is it possible to burn a DVD out of the Lion app store install?