Ever wondered how you can get image thumbnails to show up in the Finder of the Mac? You’re not alone, and a good question from one of our readers came in on this very topic. A recent switcher to the Mac, Carol Kavanaugh writes: “I got a Mac a few months ago and love it so far, but when I browse a folder full of pictures in Windows a thumbnail image of each picture shows up as its icon, on my Mac I get just a generic icon, is there any way to have Mac OS automatically make thumbnails of my images?” There sure is Carol, in Mac OS it’s called ‘icon preview’ and here is how you would enable this helpful feature:

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Lingon is one of the more useful apps for advanced Mac users, sysadmins, and network administrators out there. Essentially lingon functions as an easy tool to manage launchd without tinkering with launchd manually from the Terminal, providing a much appreciated GUI to configure the launchd system daemon, which allows you to set schedules for applications and scripts to run like cron, load and unload system daemons and kernel extensions, and so much more.

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Generally speaking Mac OS X is secure by default, certainly more so than your average Windows counterpart at least. Of course things can always be more secure, that’s just the nature of computing. I personally don’t sit around and worry about the security of my Mac, but if you’re a bit worried about the potential vulnerability of your Mac, than this may be a good read for you. The article lays out a couple simple and advanced methods to further secure Mac OS X before the release of Leopard.

Howto: A more secure OS X before Leopard

I like Dashboard a lot, I really do, but it can be an awful memory hog even when it’s not being used. Once you hit F12, the widgets are loaded and don’t quit automatically which makes accessing them later faster, but it also wastes system resources. It’s not uncommon for each widget to take up 15mb of real ram and over 300mb in virtual memory. Having a bunch of widgets open aimlessly in the background can lead to system slowdowns, so here are three different ways to free up memory and kill the Dashboard temporarily.

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To all the US Mac users out there, this is just a reminder that Daylight Savings time is coming early this year, so be sure to install the update from Apple to have your clocks working properly. While some news networks are predicting a mini-Y2K and all sorts of chaos, the worst that could really happen on your personal Mac is the time will be inaccurate. The Daylight Savings update has been available for a while now via Software Update, so if you haven’t installed it yet, now is the time. For earlier versions of OS X and for more information in general, check out this Ars Technica article:

A comprehensive Daylight Savings guide for your Mac

According to this report we might see a portable Apple offering with solid state drives (or at least a hybrid) in the second half of 2007. This is very exciting for many reasons. Solid state drives do not fail nearly as much as spinning drives, they use less power and they generate less heat all while increasing performance. Obviously a “hybrid” solid state/spinning drive is still going to have moving parts, and therefore will continue to run a risk of “breaking”, but this is a giant step forward for solid state drive technology. Of course Apple is not commenting on the “rumor” at this point, but this is standard operating procedure for their Public Relations department. The first question that comes to my mind is whether or not I’ll be able to swap out my SATA drive for a new hybrid drive. I’d love to get more battery life from my MacBook Pro and it sounds like a solid state drive would be ideal. Exciting stuff from Cupertino!

Brian W. asks the following great question:
“I’d like to click a link such as “mailto..someone@anywhere.com” and have it automatically open up my web browser to Yahoo mail. Is there a way to set my default email client to my Yahoo mail account? I’d prefer not to use Apple’s Mail client.”
Well Brian, you’re not the only one to wonder. Millions of people use webmail clients instead of Mail or Outlook and the answer to your question is: Yes! It’s very easy to do with a simple and free third party preference pane called Webmailer.

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Chances are if you have a new consumer Mac it has a built-in iSight camera, just waiting to be used. If you’ve ever thought about setting up a webcam but figured it would be too difficult, fear not, because it doesn’t get any easier than this.

Cam2Web is a tiny free no frills app that is so simple to setup for camera-to-web functionality that users with ftp knowhow can’t possibly go wrong in getting it to work.

All you’ll need is a Mac with an iSight camera, and FTP access to a server that you can upload to. No really, that’s it!

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If you’ve ever launched Activity Monitor or the command line utility ‘top’ and been confused at some of what you see, you aren’t alone. Much of the output is self explanatory (like percentage of CPU usage), but some of it is meaningless without a little explanation, such as the specifics of the System Memory tab. A good read on the Bits About Bytes blog offers an explanation of wired, active, inactive, and free memory, and what all this means for your Mac and its performance.

Bits About Bytes: Is my Mac using too much memory?

Hello all you loyal OS X Daily readers! Recently we have been receiving a large number of Mac OS X related questions in our inbox. Normally our staff would try and respond with an answer to the best of our knowledge. However, sometimes we get a question we think would be better sourced to the wisdom of our brilliant readers, and this one in particular we think would be fun to run some of these by the many regulars who stop by the site. We’ll offer a few of our own suggestions for password protecting various elements of a Mac, but please help us with the following question and give your own opinions:

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This is a list of eleven startup key commands that every Intel Mac owner should make note of. From reseting your NVRAM, starting up in safe mode, booting your Mac from a CD or DVD, switching bootable volumes and drives on system start, to forcing media to eject from a superdrive, this list has you covered.

While some of these commands are the same as what worked for PPC Macs, others are slightly different or completely new, and so even longtime Apple users should find something helpful. Great for troubleshooting, system administration, and just furthering your general knowledge about Mac’s.

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According to this Security update, eight dangerous security flaws have been discovered and squashed inside Apple’s QuickTime product.

Some of these holes in QuickTime can give a hacker full control of your computer.

According to Apple, the problems lie in the way QuickTime handles MOV, MIDI, 3GP, PICT and QTIF files.

Security is the number one topic these days when it comes to operating systems and its refreshing to see Apple “on top” of these potentially disastrous bugs.

Be sure to run the Software Update utility on your Mac and get the latest!

Copy and Paste are absolute necessities for virtually all computer users, and if you find yourself working in the command line frequently, you’ll want to know how to manipulate the clipboard of Mac OS X directly from the terminal prompt. That’s what the Mac commands pbcopy and pbpaste are for, and as you may have guessed the two commmands do exactly what they sound like, pbcopy is to copy, and pbpaste is to paste through the command line. They’re actually quite powerful and you’ll be sure to find them useful the next time you’re hanging out with your bash, tcsh, zsh, or whatever is your preferred shell prompt.

We will cover a quick explanation on how to use pbcopy and pbpaste to manipulate clipboard data, with some examples indicating how to redirect the output of terminal commands as input into the clipboard, and of course, how to expel the contents of the clipboard into the command line with pbpaste.

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Despite the recent news that Mac OS X 10.5 will be released a bit later than hoped for, development of Leopard is still chugging along just fine. Thanks to the Mac rumor site ThinkSecret, we are presented with a gallery of screenshots to show us more of what to expect. New features and improvements are showing up in each new release, with 9a377 bringing us a new airport utility, a new screensaver, improvements to preference panes, Spotlight modifications, and more. Check out ThinkSecret’s latest screenshot gallery for more:

Update: ThinkSecret’s servers seem to be getting pounded. We managed to pull a few screenshots out of cache and reproduced them below.

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Computing is all too often a serious thing, so it’s good to laugh every now and then about the subject. I stumbled upon a humorous read today regarding the troubles that new Mac users often run into. Personally I’ve been using Mac’s since the 80’s but I know there are many that are new to Apple hardware out there so these may ring true to yourself or someone you know. You’ll be sure to find some things in this list entertaining, like #14. Thinking it’ll be easy to get a stuck CD out and #16. Where’s “the internet”?

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A report on the Apple rumor site AppleInsider suggests that the release of Mac OS X 10.5 Leopard is further off than expected. For several months now, rumor sites have been speculating that Apple might be releasing 10.5 as early as late March, but the report from AppleInsider indicates there are too many bugs and quirks for Leopard to be released within the month. The latest build, 9a377, has some minor feature improvements, but also major problems such as crashes when QuickTime is played in Safari, and when the PowerBook G4 is woken up from sleep. Be sure to read the AppleInsider report for more information:

AppleInsider: Latest Leopard build from Apple suggests much work ahead

Here is a great feature that is widely unknown and certainly underused in Mac OS X, the ability to print nearly anything into a PDF document. Well, it’s not so much printing into a document as it is saving one, but you get the idea. I can think of a million uses for this, from ensuring cross platform viewing equality, to saving online tutorials and how-to’s for later reading. If you’ve never done this before, it’s extremely easy to do, and here’s how:

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SeisMac hits high on the cool and innovation scale of Mac Apps, by turning your Mac laptop into a seismometer. OK, some of you are surely asking yourself: what the hell is a seismometer? The short answer: an earthquake detector! Actually it detects all seismic activity, not just earthquakes. SeisMac works by tapping into your Mac laptops Sudden Motion Sensor, and graphing any motion on three axes: up/down, side to side, and back & forth, it does this live, instantly producing several graphs. Be sure to check out the screenshots below, and download SeisMac!

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