I installed the latest stable release of Ubuntu on an external SSD, my goal was to have a portable Ubuntu installation. Even though I selected the external SSD as the boot device (in the installation phase), the grub had been installed on the main PC SSD. So, basically, I can't use my external SSD on another PC to boot my Ubuntu installation. How can I make my SSD Ubuntu installation bootable without erasing and re-installing everything? Thank you in advance.
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In a live environment ( boot from the installation medium, usually a usb stick, and choose 'try Ubuntu' ) copy the EFI partition to the external harddrive ). You will have to shrink the current partition and move to the right, so there is place for the EFI partition. You can do this with GParted.
Or if you have two right hands, disconnect the internal harddrive and do an install. That way the installer can not write a part of Grub to the internal harddrive ( which is the actual problem ) and it will do its work the way you need to.
Joepie Es
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