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I've created a custom Ubuntu image for myself using UCK (Ubuntu Customization Kit).

My question is: when I boot the image as a LiveCD or LiveUSB, it automatically creates and logs you in to the user ubuntu. Is it possible to change this default username to something else, like myname?

Hippo
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1 Answers1

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The username is stored on the live DVD in ...

edit/usr/share/initramfs-tools/scripts/casper

The hostname is in there too. The password is in ...

edit/usr/share/initramfs-tools/scripts/casper-bottom/10adduser

If UCK does not allow you to change it from the gui you will need to chroot the ISO yourself and do it manually. More on that in How to customize the Ubuntu Live CD? and on the wiki (the part about gconf is invalid nowadays; but the other information still looks valid).

Community
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Rinzwind
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  • It seems like changing the username in the USERNAME=casper line in the remaster-root/usr/share/initramfs-tools/scripts/casper file does not have any effect. I tried this in v16.04. In fact, the casper file has only a single "ubuntu" word in a comments. Am I missing something? – Nazar Aug 08 '17 at 13:20
  • It has been a while I did anything with this but what is remaster-root in there? as far as I know it should still be edit/usr/share/initramfs-tools/scripts/casper – Rinzwind Aug 08 '17 at 14:39
  • remaster-root is the directory (as far as I understand) where the UCK contains the open ISO. I could not find the edit directory. Maybe it changed with the version change. – Nazar Aug 08 '17 at 14:45