OS X Lion (version 10.7) is the 8th major release of Mac OS X released on July 20th, 2011.

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Why can't I add my home folder to the Mac OS X Lion Finder Sidebar?

After upgrading to Lion, I'm unable to add my home folder to the favorites section of my Finder's sidebar. I tried it through Finder Preferences by ticking the checkbox, but it deactivates itself ...
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How do I disable the Command-Control-D word definition keyboard shortcut in OS X Lion?

Mac OS X Lion introduced a new feature where in many applications you can press Command-Control-D to produce a popup with the definition for the word under the mouse cursor. A side effect of this is ...
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Spaces Over Multiple Monitors on OSX?

I have a new Macbook air 13 and love it. I have my spaces set up with my browser in one, terminal and textmate in my development space and my Skype/chat/email in another. It Keeps things very neat. ...
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Exposé in 10.7: When exposing “Application Windows”, how do you show only the windows in the current space?

This is basically the same question as Exposé in 10.6: When exposing "Application Windows", how do you show only the windows in the current space?, but with 10.7 Lion. In Mac OS X 10.7 ...
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How to open a clean terminal in Mac OS X Lion?

Whenever I open a terminal, the last used commands appear. I'd like to get a clean terminal when I open it, but I haven't found how to do it. For example if while using the terminal I do: defaults ...
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Isn't localhost simply 127.0.0.1 on Mac OS X 10.7 (Lion)?

I tried telnet localhost on Mac OS X Lion, and this is the output I got. Trying ::1... telnet: connect to address ::1: Connection refused Trying 127.0.0.1... telnet: connect to address ...
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Error adding cronjobs in Mac OS X Lion

Until now, I have never attempted adding a crontask on my Mac. To my surprise, it threw an error.. [hayek@mac:/www/] 02:33:22 PM: crontab -e ...
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Homebrew keeps saying XCode is not installed

I'm trying to installed Ruby using Homebrew, the OSX package manager. When I run 'brew install ruby' I keep getting the message 'Warning: XCode is not installed!'. XCode is installed, it's lying. ...
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Where do mounted volumes and thumb drives show up in OSX Lion?

Perhaps I need to load a driver to get Lion to recognize my WD 500 Password USB drive. However, I thought for sure I could load my thumb drives. But they don't appear anywhere on the desktop (that I ...
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opendirectoryd consumes 40% of CPU

I have a MacBook Pro with Lion 10.7.2, 2.26 GHz CPU and 2GB DDR3 RAM. If I call top -o cpu the /usr/libexec/opendirectoryd process consumes more than 40% of CPU. $ ps aux | grep opend ...
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How do I use OSX Lion Time Machine with Windows Home Server?

My wife and I have a mixed Windows and Mac household. A couple years ago I purchased a HP MediaSmart server with Windows Home Server on it. HP provided software to get Time Machine on Leopard to work ...
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How to change the Finder icon in Mac OS X Lion?

Is there a way to change the Finder icon in Mac OS X 10.7 Lion, without using something like Candybar? Here's what I've already tried updating (neither worked): ...
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How do I disable animations in Preview in Lion?

For example, open up a pdf and set view to two pages and hit arrow key up/down. Is there a way to get rid of the animation? Preview feels really snappy and fast, and to have animations like that just ...
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Where is the log file generated by a verbose start-up in OS X Lion?

After starting up my machine in verbose mode (cmd + v at start-up) I want to view the generated log messages, to debug an error I'm receiving (the error). The error is only displayed on the screen ...
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Install NTFS-3G with read-write on OS X Lion using MacPorts

I have a nicely working MacPorts on Lion. When I run sudo port install ntfs-3g it does compile without errors. However, when I attach a NTFS-formatted external drive, it's read only. And there is ...
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Apple Magic Trackpad 3-Finger Drop Lag

After enabling three-finger dragging for my Trackpad, I notice that it drags well, but when I release there is about 1-2 seconds of lag before it actually drops. I understand this is supposed to be a ...
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Is it just me or is the ~/Sites folder gone in Lion?

It appears that the ~/Sites directory no longer exists in OS X Lion. I preferred working on sites there than in /Library/WebServer/Documents. Is there any way to change it back, or set it up so that I ...
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Cannot access pear.php.net from OSX Lion

I am stumped by this issue. I have 2 separate Macs that cannot access pear.php.net at all by name or IP. Here are the symptoms and steps that I took to try to resolve/narrow down this issue. $ ping ...
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Homebrew doesn't find XCode 4.3

When I try to install something with homebrew I get an error message that it does not find XCode. But I just installed XCode 4.3 and also did a reboot. admins-MacBook-Pro-2:~ ernst$ brew install ...
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How to move Macintosh bottom dock bar from one screen to another?

On a MacBook Air running OS X Lion, I have a dock bar at the bottom of the built in screen, how can I move this to my external screen? I've already got the menu bar moved, but the screen system ...
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OS X alternatives to iTunes for playing FLAC

I am new to OS X and their player iTunes doesn't seem to like FLAC (they support only ALAC). I am looking for a player to play FLACs. I know VLC does the job, but is there any player that can: ...
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How do I make Vim beautiful (read: Textmate font/color ) on Mac OS X Lion?

I am just starting to make the Textmate to Vim switch. I love it, but it's so ugly. I'm running Mac OS X Lion and needed Ruby support so I am using Vim 7.3 as installed via Homebrew not the Vim Lion ...
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Add a Header to Every Page in a PDF?

Is there a way to add a small header to every page in a PDF on OS X? For example, some option in Preview or something? Maybe even something in AppleScript, etc? I have a 200+ page PDF file and need ...
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ulimit does not obey me

Well.. $ ulimit -s 8192 $ sudo ulimit -s 16384 $ ulimit -s 8192 Why does ulimit disrespect me in such a barbaric way? Lion, by the way.
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Will a hard drive use less power if it is unmounted?

I recently did the Optibay mod on my 13" Macbook Pro, the stock magnetic drives now lives where the optical drive used to be. And an SSD has taken its place. It's all good, but power consumption ...
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10 second delay for .local TLD in Mac OS X Lion

Our company network uses xxx.companyname.local for all the servers on our local network. Whenever I access one of these servers on my Mac, I have a 10 second delay. I have found out that this delay is ...
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MacPorts selfupdate fails on Mac OS X Lion

I recently upgraded my Mac Book Pro to Lion and faced challenges with MacPorts application that I had with me. I had downloaded and installed XCode 4.2 from the app store (very un - appstore like ...
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osx change printer ip address without adding new printer

Is there a way to change a printer's IP address in OSX (Lion) without having to add a new printer? I did find Printer IP Remedy, but was curious if there was an 'official' method.
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How to install Uniconverter (command-line app) on Mac OS 10.7.2 (Lion)?

Uniconverter is a command-line tool that shares code with the sK1 Project. it's used to convert from one type of vector graphic file to another like this: uniconverter before.eps after.svg I'm ...
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Create new partition on encrypted volume in OS X Lion

Updated: see below. I encrypted a 500 GB partition on an external 1TB drive on OS X Lion. The other 500 GB was not used yet and I want to create another partition on the external drive now. Disk ...
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How to move through browser tabs using gestures in Mac OSX Lion?

I'd like to move back and forward through the tab collection in Safari (or Chrome or FF) using trackpad gestures. Does this gesture exist? Using a 3 finger swipe (left and right) nicely moves you ...
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Boost output volume past the maximum on OS X

The max volume on my iMac is way too low. I can barely hear videos in some online videos for example. I know the volume can go louder though — depending on the audio source the iMac can be very ...
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In OS X is there a way to assign an application window to a specific monitor?

I know that with OS X Lion (10.7) and Mountain Lion (10.8) applications can be assigned to specific Spaces/Desktops. With my laptop I daily connect and disconnect from an external monitor. When I ...
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Forcing 5 GHz on MacBook Pro

I currently have the retina MacBook Pro running OS X lion and want to force the wireless card to only connect only to 5GHz networks. Both the 2.4GHz and 5GHz have the same SSID so I can not pick ...
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OS X Lion Inverted Scrolling Automation Shortcut

As everyone will know (who has Mac OS X Lion), by default, scrolling is inverted to make it a bit like the iPhone. Problem: There is no way to have "normal scrolling" for a USB mouse, and ...
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Lion disable animation of fullscreen

On Mac OS 10.7.2, how can I disable or quicken the slow animation that happens when I fullscreen most apps?
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How can I merge two terminal windows in OS X lion?

I accidentally split a tabbed terminal up into two windows and I can't figure out how to join it again. Google tells me that I should drag it until it gets translucent on some other version of OS X ...
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Permissions restoring from Time Machine - Finder copy vs “cp” copy

Note: this question was starting to sprawl so I rewrote it. I have a folder that I'm trying to restore from a Time Machine backup. Using cp -R works fine, but certain folders cannot be restored with ...
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How do I change the default screenshot name in OS X Lion?

In OS X Lion, when I press cmd+shift+4 and then space, I take a screenshot of an app. But I use my OS in Spanish, and the screenshot file name is very long with spaces and "(,)" chars. Captura de ...
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MacVim is not found by Spotlight

I'm a Mac Noob but generally a power Linux user. My new job handed me a fresh MacBook Pro with Lion installed. I installed MacVim successfully using homebrew. I'd love for it to be the default app ...
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Enable/disable startup programs/script/services on a Mac

I upgraded my MacBook Pro to OS X Lion, and now the fans are working at high speed, even at very low loads. I did a lot of things, resetting PRAM, SMC, etc, but the problem persists. It seems it has ...
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Did Mac OS Lion switch to using line feeds (LF '\n') for line breaks instead of carriage returns (CR '\r')?

I switched to Lion a while back and just noticed that when I save a text file in TextEdit, it uses LF for line breaks. I looked around everywhere I could think of on my Lion computer and could not ...
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Enabling SSH Daemon from Terminal (OS X Lion)

I am trying to find a way of turning on SSH through terminal, instead of opening settings and turn it on that way. Or perhaps a way to turn SSH on by running a .pkg file? I am running OS X Lion, but ...
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How to kill a zombie process on a mac

How to kill a zombie process or find it's parent process on a Mac using the Terminal?
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Mac OS X Lion: What are invalid characters for a file name?

I am having trouble finding this information, and trial and error is telling me that there may not be any. So I figured I ask the community to see if anyone knows and can point me to a apple page that ...
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How to adjust the sound volume in small increments in Mac OS 10.7 (Lion)? [closed]

I use a Macbook that has dedicated sound volume buttons (F11 and F12). In Mac OS 10.6 I was able to adjust the sound volume in smaller increments (1/4th of a square) by pressing Shift + Option + ...
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Very high memory and CPU usage by the OS X Dock

I have a very annoying problem with the Dock process - after more than a few hours of uptime, the memory usage will spike to more RAM than I have. The process will begin to thrash the hard drive at ...
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Can I stop OS X Lion from dimming the screen when using Skype, YouTube etc?

I just got my first Mac and some things are not very obvious to me. Is there a way to stop it dimming the screen while on battery power when I'm on a Skype call or watching things on YouTube? I ...
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OS X Lion Mission Control - Why can't I organize my spaces the way I want to?

I just updated to Lion today and found at about the new Mission Control. I like it a lot (maybe because I'm pretty new to OS X and didn't now about spaces before, because I actually read a lot of ...
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How can I sort a folder in OS X Lion without having to group files as done with “Arrange By”?

I'm sorry to say there are several things I liked better in Snow Leopard. Sorting files in Finder is one of those things. If I "Arrange By" -> "None" it does not group items and it looks like 10.6. I ...