Is it possible to install STLinux or other Linux on a Nucleo board?

[Uwe Bonnes]

Look in the kernel sources:

./Documentation/arm/stm32

./Documentation/arm/stm32/stm32mp157-overview.rst

./Documentation/arm/stm32/stm32f769-overview.rst

./Documentation/arm/stm32/stm32h743-overview.rst

./Documentation/arm/stm32/stm32f429-overview.rst

Have a look at https://elinux.org/STM32