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Launching apps at startup System
Reader "parki" wrote in with the question "I recognize that I am likely missing the obvious, but does anyone know how to have apps auto launched when I log in, re-creating the environment when I log out?"

There's at least a partial answer in the System Prefs application. Go to the Login panel, and you can add applications to the list. You can even (apparently) add shell scripts, which opens up a world of possibilities. I was able to add a shell script, but I didn't test it with a logout/login combo. Interesting to think about what you could do, though.

Launching the apps isn't quite totally recreating the environment, but it's a start.
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Use 'nice' to reduce File Sharing load? System
Many people have complained about File Sharing hogging processor cycles, and have reported better system behavior after disabling File Sharing.

I came across the UNIX command nice, which says you can, "invoke a command with an altered scheduling priority." I read this to mean that you could possibly start File Sharing with a lower processing priority, thus causing a reduced drain on system resources.

If anyone is savvy enough to try, please let us know.

-aaron

[Editor's note: See the comments -- nice is broken in the current release of Mac OS X, so this command will have no impact].
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Fix for applications appearing as folders Desktop
In some instances, your OS X disks may display all your applications as folders. When you double-click them, they open like folders to show the package contents, instead of launching. This usually happens after after a crash. There's a relatively simple fix, which you can see if you read the rest of this article.

The solution is courtesy of Apple's Tech Info Library (TIL), which you can find here:

http://til.info.apple.com

This site hosts all sorts of interesting material (I've added it to the links section); just change the drop down to "Operating Systems" and type (without the quotes) "OS and X" to find relevant articles.

The actual URL for this particular problem is: http://til.info.apple.com/techinfo.nsf/artnum/n106241

I've detailed the fix in the remainder of this article (modified from Apple's site).
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Replace the Finder with any application! System
OS X's Finder is just an application, right? So, I conducted an experiment.

GOAL: Replace OS X's Finder with the Terminal App.
RESULT: It works!

Read the rest of this article if you'd like to see how it works, and the implications - could someone write a replacement Finder??
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How to make icons stay in the dock Desktop
I put the 'Internet Connect' icon in my dock for easy access. But when I reboot its always gone and I have to put it in again. Am I doing something wrong? Do I need to do something to save the dock's state?

Editor's note: 'cashd' provides the answer in the comments:

'When you open an application, you see it's icon in the dock. When you close the window for that app, you still see it in the dock. When you quit the application, you no longer see it in the dock.

If you want an application's icon to stay in the dock, even after you have quit it, you must click and hold on the application's icon, until a menu appears. Then you just need to select, "Keep in Dock" from that menu.'
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mod_jk and OS X UNIX
I have Tomcat 3.2.1 Servlet engine running in standalone mode right now, but I want to integrate it with Apache. I can't figure out how to build mod_jk on OS X using the Jakarta docs. Also, when configuring tomcat, will it be able to find everything using JAVA_HOME given that things are in completely different places that a traditional JDK installation?
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Put applications into Finder toolbars Desktop
You probably know you can customize the toolbar by selecting View...Customize Toolbar..., but did you also know you can also drag applications directly onto it? I added the Terminal.app to my toolbar. Very handy.

Dave
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Remove dock poof remnants Desktop
Some people have reported left-over pieces of dock 'poofs' on their desktop. These bits remain through resolution and color changes, and seem indefeatable until you logout and login again.

There's an easier way to get rid of them -- just launch ProcessViewer (in the Utilities folder), and look for the "Dock" process. Highlight it and then select the Quit Process menu item. The dock will quit, the 'poof parts' will vanish, and the dock will then restart.
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Show hidden UNIX files in the Finder Desktop
It looks like Apple has decided to change the defaults key to allow the Finder to show the hidden Unix files. On OS X Final, try this for each user you want to show hidden files and restart the Finder:
defaults write com.apple.Finder AppleShowAllFiles YES


Panther proven!
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Locked files and Mac OS X System
There's an annoying side effect of locking file when it comes to Mac OS X -- there's no fast way to override the state, like option-Empty Trash in OS 9.

Not only does this not exist, but the Finder will report that you do not have "sufficient privileges" to delete the file (which may be correct in a way, but rather misleading since we now have permissions to worry about).

Does anyone know of a quick way to remove file locks from the Terminal or another app? I've tried xFiles 1.0b1, but it doesn't seem to recognize that the files are locked at all.
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