I’m usually testing the live and persistent live sessions of Lubuntu (because I develop and maintain mkusb). But this time I wanted to make an installation into my old Toshiba with a Intel generation 3 i5 CPU (bought 2013), where I have no internal drive. So I installed Lubuntu into the same SSD connected via a USB adapter as I booted live from, ‘the USB drive’.
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The installer Calamares complained that there is no partition to install into. This is good, it protects from overwriting the installer by mistake.
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Then I booted with the boot options
toramandnopersistentand unmounted the mounted partitions on the USB drive. The installer was still complaining that there is no partition to install into. -
Then I
- booted with the boot options
toramandnopersistent - unmounted the mounted partitions on the USB drive
- installed
gpartedand created a fresh GUID partition table, GPT (no partition).
- booted with the boot options
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Now the installer was happy to install Lubuntu into the USB drive, and the installed system works well.
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Comment: I could have used an already available text mode tool to create a fresh GPT partition table, but gparted is convenient.