[ubuntu] Need help with accessing usb external hard drive with Ubuntu 12.04

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http://ubuntuforums.org – Hi Everyone, Can someone please help me mount and read my external hard drive so i can copy the files from it. The hard drive is 3 TB hitachi on hfs+ file system. I am having hard time to mount it on Ubuntu 12.04 and read files from it. Downloaded all hfs+ and hfs progs just cant seem to mount it. It will really help if someone can give me a detail step by step guide to be able to mount and read/write/copy files from it. thank you very much for any guidance you can provide (Hardware)