Is there an alternative to mkusb to install Ubuntu on a portable SSD that works with both UEFI and BIOS boot...
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I've successfully used mkusb to install a persistent Ubuntu 18.04.2 LTS system on a new Samsung T5 USB SSD. What is nice about mksusb is that it creates a bootable system that works on a wide variety of computer systems. However, I would like to have a portable 'real' Ubuntu installation vs. a live/persistent install that works with both UEFI and BIOS boot methods.
The process outlined here looked like it would do the trick, but in my case I'm just presented with the grub prompt when booting the drive. Note, that I interpreted the step:
Cut grub.cfg from sdx5/boot/grub and paste to sdx3/boot/grub, overwriting the existing grub.cfg file
...to mean that I should move the new grub.cfg file from /dev/sdx5/boot/grub to /dev/sdx3/boot/grub, overwriting the grub.cfg file created by mkusb and deleting the grub configuration file created by the installation from the installation partition. Also, /dev/sdx3 was not mounted after the Ubuntu installation completed, I had to manually mount it (/dev/sdx5 was already mounted on /target).
Since mkusb without modifications works fine with the T5 SSD drive, I assume that there is something about the Ubuntu 18.04.2 LTS installation grub.cfg file that is causing an issue.
Is there an alternative approach that would work, or is there something inherently different with a portable SSD vs. a USB thumb drive that prevents creating a truly portable drive?
boot grub2 uefi bios mkusb
asked 39 mins ago
SlabSlab
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I've successfully used mkusb to install a persistent Ubuntu 18.04.2 LTS system on a new Samsung T5 USB SSD. What is nice about mksusb is that it creates a bootable system that works on a wide variety of computer systems. However, I would like to have a portable 'real' Ubuntu installation vs. a live/persistent install that works with both UEFI and BIOS boot methods.
The process outlined here looked like it would do the trick, but in my case I'm just presented with the grub prompt when booting the drive. Note, that I interpreted the step:
Cut grub.cfg from sdx5/boot/grub and paste to sdx3/boot/grub, overwriting the existing grub.cfg file
...to mean that I should move the new grub.cfg file from /dev/sdx5/boot/grub to /dev/sdx3/boot/grub, overwriting the grub.cfg file created by mkusb and deleting the grub configuration file created by the installation from the installation partition. Also, /dev/sdx3 was not mounted after the Ubuntu installation completed, I had to manually mount it (/dev/sdx5 was already mounted on /target).
Since mkusb without modifications works fine with the T5 SSD drive, I assume that there is something about the Ubuntu 18.04.2 LTS installation grub.cfg file that is causing an issue.
Is there an alternative approach that would work, or is there something inherently different with a portable SSD vs. a USB thumb drive that prevents creating a truly portable drive?
boot grub2 uefi bios mkusb
asked 39 mins ago
SlabSlab
1
New contributor
Slab is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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2
See these.askubuntu.com/questions/906857/… & askubuntu.com/questions/559007/… But you can get out of sync on updates. I just use one flash drive for UEFI and one for BIOS. But hardware since 2012 and release of Windows 8 is all UEFI based, so only old systems are still BIOS only.
– oldfred
27 mins ago
This ^^^ Unless really needed do not complicate yourself.
– GabrielaGarcia
18 mins ago
add a comment |
I've successfully used mkusb to install a persistent Ubuntu 18.04.2 LTS system on a new Samsung T5 USB SSD. What is nice about mksusb is that it creates a bootable system that works on a wide variety of computer systems. However, I would like to have a portable 'real' Ubuntu installation vs. a live/persistent install that works with both UEFI and BIOS boot methods.
The process outlined here looked like it would do the trick, but in my case I'm just presented with the grub prompt when booting the drive. Note, that I interpreted the step:
Cut grub.cfg from sdx5/boot/grub and paste to sdx3/boot/grub, overwriting the existing grub.cfg file
...to mean that I should move the new grub.cfg file from /dev/sdx5/boot/grub to /dev/sdx3/boot/grub, overwriting the grub.cfg file created by mkusb and deleting the grub configuration file created by the installation from the installation partition. Also, /dev/sdx3 was not mounted after the Ubuntu installation completed, I had to manually mount it (/dev/sdx5 was already mounted on /target).
Since mkusb without modifications works fine with the T5 SSD drive, I assume that there is something about the Ubuntu 18.04.2 LTS installation grub.cfg file that is causing an issue.
Is there an alternative approach that would work, or is there something inherently different with a portable SSD vs. a USB thumb drive that prevents creating a truly portable drive?
boot grub2 uefi bios mkusb
asked 39 mins ago
SlabSlab
1
New contributor
Slab is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
I've successfully used mkusb to install a persistent Ubuntu 18.04.2 LTS system on a new Samsung T5 USB SSD. What is nice about mksusb is that it creates a bootable system that works on a wide variety of computer systems. However, I would like to have a portable 'real' Ubuntu installation vs. a live/persistent install that works with both UEFI and BIOS boot methods.
The process outlined here looked like it would do the trick, but in my case I'm just presented with the grub prompt when booting the drive. Note, that I interpreted the step:
Cut grub.cfg from sdx5/boot/grub and paste to sdx3/boot/grub, overwriting the existing grub.cfg file
...to mean that I should move the new grub.cfg file from /dev/sdx5/boot/grub to /dev/sdx3/boot/grub, overwriting the grub.cfg file created by mkusb and deleting the grub configuration file created by the installation from the installation partition. Also, /dev/sdx3 was not mounted after the Ubuntu installation completed, I had to manually mount it (/dev/sdx5 was already mounted on /target).
Since mkusb without modifications works fine with the T5 SSD drive, I assume that there is something about the Ubuntu 18.04.2 LTS installation grub.cfg file that is causing an issue.
Is there an alternative approach that would work, or is there something inherently different with a portable SSD vs. a USB thumb drive that prevents creating a truly portable drive?
boot grub2 uefi bios mkusb
boot grub2 uefi bios mkusb
asked 39 mins ago
SlabSlab
1
New contributor
Slab is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 39 mins ago
SlabSlab
1
New contributor
Slab is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 39 mins ago
SlabSlab
1
New contributor
Slab is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 39 mins ago
SlabSlab
1
asked 39 mins ago
SlabSlab
1
1
New contributor
Slab is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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New contributor
Slab is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
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Check out our Code of Conduct.
2
See these.askubuntu.com/questions/906857/… & askubuntu.com/questions/559007/… But you can get out of sync on updates. I just use one flash drive for UEFI and one for BIOS. But hardware since 2012 and release of Windows 8 is all UEFI based, so only old systems are still BIOS only.
– oldfred
27 mins ago
This ^^^ Unless really needed do not complicate yourself.
– GabrielaGarcia
18 mins ago
add a comment |
2
See these.askubuntu.com/questions/906857/… & askubuntu.com/questions/559007/… But you can get out of sync on updates. I just use one flash drive for UEFI and one for BIOS. But hardware since 2012 and release of Windows 8 is all UEFI based, so only old systems are still BIOS only.
– oldfred
27 mins ago
This ^^^ Unless really needed do not complicate yourself.
– GabrielaGarcia
18 mins ago
2
2
See these.askubuntu.com/questions/906857/… & askubuntu.com/questions/559007/… But you can get out of sync on updates. I just use one flash drive for UEFI and one for BIOS. But hardware since 2012 and release of Windows 8 is all UEFI based, so only old systems are still BIOS only.
– oldfred
27 mins ago
See these.askubuntu.com/questions/906857/… & askubuntu.com/questions/559007/… But you can get out of sync on updates. I just use one flash drive for UEFI and one for BIOS. But hardware since 2012 and release of Windows 8 is all UEFI based, so only old systems are still BIOS only.
– oldfred
27 mins ago
This ^^^ Unless really needed do not complicate yourself.
– GabrielaGarcia
18 mins ago
This ^^^ Unless really needed do not complicate yourself.
– GabrielaGarcia
18 mins ago
add a comment |
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See these.askubuntu.com/questions/906857/… & askubuntu.com/questions/559007/… But you can get out of sync on updates. I just use one flash drive for UEFI and one for BIOS. But hardware since 2012 and release of Windows 8 is all UEFI based, so only old systems are still BIOS only.
– oldfred
27 mins ago
This ^^^ Unless really needed do not complicate yourself.
– GabrielaGarcia
18 mins ago