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toyg/set_login_background.sh

Last active May 25, 2016 16:05
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Change Login background image in OSX. Execute with sudo; takes 1 parameter, the path to your new file (must be a PNG image).
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set_login_background.sh
#!/bin/bash
chflags nouchg /Library/Caches/com.apple.desktop.admin.png
cp /Library/Caches/com.apple.desktop.admin.png /Library/Caches/com.apple.desktop.admin.BACKUP.png
cp $1 /Library/Caches/com.apple.desktop.admin.png
chflags uchg /Library/Caches/com.apple.desktop.admin.png
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