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programs preserved when reinstalling 64 bit over 32 bit?

Posted: Thu Nov 03, 2016 10:41 am
by elmarts
I have my 32 bit linux partition running quite a few programs (and most of my data on a separate physical hard drive). Quick question - if I boot from a 64 bit linux mint 18 sarah MATE DVD and tell it to install over my existing 32 bit linux mint 18 sarah mate, will it intelligently keep all the programs I have installed or will it simply wipe the partition? If I copy out all the hidden folders in my home folder to another hard disk, can I simply copy them back into my "new" home folder and get all my programs and settings back? Or do I have to reinstall everything from the sources again?

Re: programs preserved when reinstalling 64 bit over 32 bit?

Posted: Thu Nov 03, 2016 10:52 am
by Moem
I'm thinking: no. Your programs are 32-bits and will not be preserved. You'll need to reinstall them on the new, clean install.
(If I'm wrong, someone please set me straight.)

Re: programs preserved when reinstalling 64 bit over 32 bit?

Posted: Thu Nov 03, 2016 11:12 am
by all41
Or do I have to reinstall everything from the sources again?
Yes--offload your personal data to a backup drive, reformat, and install 64bit fresh

Re: programs preserved when reinstalling 64 bit over 32 bit?

Posted: Sat Nov 05, 2016 4:57 pm
by elmarts
[quote="all41"}Yes--offload your personal data to a backup drive, reformat, and install 64bit fresh[/quote]
Are the hidden folders in my /home considered "personal" data, or just the non-hidden ones?

Basically my plan is to buy an SSD, and stick 64 b it linux on a partition on it. Then I want to get what I can from my existing 32 bit linux partition onto the 64 bit partition with the least amount of hassle possible, and the quickest route to function again. Comparing to the win7 world, some programs live completely within their own folders (as in the old DOS days), while others have to dribble bits and pieces of themselves into system folders and the windows registry. Does linux have the same arrangement that programs will not run unless "installed"?

Re: programs preserved when reinstalling 64 bit over 32 bit?

Posted: Sat Nov 05, 2016 5:03 pm
by Cosmo.
At least some of the hidden files and folders are user data. Most prominently this is true for .mozilla (Firefox settings inclusive bookmarks, history and more) and .thunderbird. I recommend to backup all of them, than you have in any case the option to reuse them later.