How to run installation from disk on ubuntu?

Question

linux

In general, I need to install ubuntu x64, now x32 is worth it. I do not know what to write in the terminal to start the installation, please tell me.

Answer 1

You can't just take and replace a 32-bit system with a 64-bit one. Although, this is linux, maybe you can. In theory. With bugs, bugs and more. Roll on top. If there is a very need to save the current system. But I think the ubuntu installer will not approve of this and will format the partition before installing the system. In general, you are unlikely to need such a perversion, it is easier and faster to completely reinstall.

Answer 2

Нужно загрузиться с диска или с флешки
Для записи загрузочной флешки используйте утилиту unetbootin
Далее в биосе выбрать загрузку с флешки и устанавливать на ваш раздел с установленным убунту
вообще, папка home должна сохранится, хотя не уверен
Главное не меняйте файловую систему в разметке диска