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I am completely new in Ubuntu. I want to write Bootable Image of Ubuntu on SD Card. This is what I have done

1- I have downloaded the base Ubuntu and build my own ubuntu "ubuntu_rootfs.tar.gz"
2- Create an ext4 file system named ubuntu.ext4 with dd command   "dd if=/dev/zero of=ubuntu18_rootfs.ext4 bs=1297M count=3"
3- format ubuntu.ext4 as EXT4 file System
4- create a temporary Folder rootfs_tmp
5- mount the ubuntu.ext4 in rootfs_tmp
6- untar the "ubuntu_rootfs.tar.gz" into rootfs_tmp
7- umount the rootfs_tmp

but what if I want yo have the built Ubuntu on a real SD Card? is it possible to have a SD Card as a ext4 file system ?

nnmmss
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1 Answers1

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Blockquote but what if I want yo have the built Ubuntu on a real SD Card? is it possible to have a SD Card as a ext4 file system ?

I have not tried what you are trying... but I have formatted a microSD card into Ext4 to test if my android tablet would support it. So yes, you can format an SD card into ext4

Good luck!

user1366177
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