Install and dual boot Ubuntu 12.10 on UEFI along Windows 8

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http://askubuntu.com – Hello I want to install Ubuntu 12.10 on an UEFI machine with manual partitioning. Do I have to disable "Secure Boot"? Do I have to create a 2nd ESP (EFI System Partition) for Ubuntu? Do I have to give it the boot flag? Do I have to set mount point /boot/efi? Do I have to install grub on /dev/sda? I am used to BIOS installation where: /dev/sda1 100 MB Windows 7 hidden System Partition /dev/sda2 200 GB Windows 7 C:\ Drive /dev/sda3 115 GB Linux Ext4 Root /dev/sda4 2 GB Linux Swap grub-install /dev/sda update-grub (HowTos)