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Last active August 29, 2015 14:04
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useful-osx-commands.md

###Useful OS X commands ####(initially by iharosi's Useful OS X commands)

  1. App Store Debug menu

    Show

    defaults write com.apple.appstore ShowDebugMenu -bool true

    Hide

    defaults write com.apple.appstore ShowDebugMenu -bool false

  2. Remove extended attributes recursively

    xattr -rc <Folder>

  3. Delete Time Machine backups

    sudo /System/Library/Extensions/TMSafetyNet.kext/Helpers/bypass rm -rfv /Volumes/<Disk>/Backups.backupdb/<Folder>/

  4. Carbon copy a physical disk to an image (.dmg) file
    source: http://hints.macworld.com/article.php?story=20050302225659382

    dd bs=4096 if=/dev/rXX# of=/[TARGET DIR]/image.dmg conv=noerror,sync

    You have to dismount the partition first.
    Use the diskutil list and mount commands to discover the devices.

  5. Convert .png images to .jpg

    sips -s format jpeg ./*.png --out jpg/

  6. Resample image

    sips <source image> --resampleHeight <number> --out <directory>

  7. Finder Error -10810

    /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/Support/lsregister -kill -seed -rfv
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