OS X, show-hide hidden files

OS X, show-hide hidden files

Sometimes you need to see hidden files and folders in your system,
You could use the terminal:

defaults write com.apple.finder AppleShowAllFiles -boolean true
killall Finder
The reverse is
defaults delete com.apple.finder AppleShowAllFiles
killall Finder

Some more explanation here:

OSX, Keychain access "Access to this item is restricted" !?

Keychain fix it

Love keychain? its a great apple os x little app, and it just works!
Until today when I got a message: "Access to this item is restricted" with some code like -25320

OSX, Application not starting, start as root

Start Application as Root

Sometimes an application won't start as a result of wrong/corrupt permissions.
Whenever that happens you can unistall, repair permissions and reinstall the software...

But when you have no time and are on a deadline you can try launching the application after temporarily enabling root user on your machine.
You can find steps to enable root user here: http://support.apple.com/kb/ht1528

OSX, Drag and Drop via Screen Sharing

When connected to a remote Mac with Screen Sharing you can copy files by dragging them from a finder window to a finder window on the other mac. The drag and drop will automatically initiate a copy from remote mac to local and reverse.

OSX, Completely uninstall software under OSX

Just deleting some of the bigger application from the applications folder aignt enough to completely unistall software. If you want to completely get rid of all the application files you have to delete the preferences and application support files and sometimes more.
So to completely unistall software delete the application at the following locations
- Applications folder
- and look for any files and folders with the Application name you want to deletete at these locations:
/Library/Application Support

OSX, What ar all those processes? a nice overview

Ever wanted to know what was was that process eating all your cpu time, here is an easy overview of the processes running on your mac.

OSX, Quicklook Plugins?

I Always forget what was in that zip... Wouldn't it be great if Mac OS X's Quick Look would let you inspect the contents of compressed archives?
With the help of the BetterZip Quick Look Generator, it can.

Download it here, unpack,
- copy the BetterZipQL.qlgenerator bundle to your /Library/QuickLook folder
- restart the finder, or reset quick look in the terminal > qlmanage -r

OSX, Better pdf quartz filter compression

The standard quartz filter for pdf compression makes pdf's to small
But you can create your own, fully customises Quartz Filters using your Mac's ColorSync Utility.

See: http://meyerweb.com/eric/thoughts/2010/02/25/better-pdf-file-size-reduct...

For Mavericks the customized compression filters will not show up in Preview.
Fix: copy your filter from /Users/YourName/Library/Filters/
to /Library/PDF Services/ and the quartz filters will be back in preview.

OSX, terminal, Extract mp3 from .mov

You can extract audio from a .mov file with quicktime, but it will keep it in the mov container.

To properly extract mp3 audio from a .mov file use mplayer with the "-dumpaudio" option:
mplayer file.mov -dumpaudio -dumpfile audio.mp3

more at:
mplayer via ffmpegXbinaries20060307 dumped in bin/

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