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I’m looking at maybe moving from an older AMD64 to a new Intel dual-core which is 32 bit. Installation isn’t a problem but can I transfer all the installed apps? I haven’t been able to find anything so far on Google except where the migration is to a similar platform and file-system. I won’t change the filesystem but the platform will be different. Is there something on the lines of the ‘World’ file in Gentoo?
You can save your list of packages easily: see ‘man dpkg’ and search for –set-selections and –get-selections.
The basic of it, though is that to save the list of packages:
dpkg --get-selections > package_listTo restore that list on another system:
cat package_list | sudo dpkg --set-selections && sudo apt-get dselect-upgradeMoving across architectures means that there will be some packages unavailable. They will be ignored; for example,
ia32-libswill not be installable on a 32-bit system. That selection will be ignored if you’re moving from x86-64 to x86.