Re: Setting up new computer to be identical to old one

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Hi,

On Sun, 30 Oct 2022 11:42:24 +0000, Spencer Collyer wrote:
> My initial idea was something like the following:
> 
> 1) Install a basic Arch system on the new computer
> 2) Get the list of installed packages from the old computer (I think
> there is a way to do this using Pacman?) 3) Somehow get Pacman to
> install the same list of packages on the new computer.

For 2) and 3) see 2.5 and 2.6 here:
https://wiki.archlinux.org/title/Pacman/Tips_and_tricks


> 4) Tidy up any
> config files that need changing - e.g. for the aforementioned IP
> address / computer name stuff.

To list modified config files, you can use:

pacman -Qii | awk '/^MODIFIED/ {print $2}'

Besides the network config, hostname and UUIDs probably also change, so watch
out for that e.g. in custom backup scripts etc.

You may also want to check/migrate all unowned files (not tracked by the
package manager):

pacreport --unowned-files


> 5) Copy over my /home directory

If you have the time and care, instead of copying the entire /home, you could
manually copy the contents and decide what you want to keep. You may want to
omit ~/.cache and some configuration dotfiles in ~ or ~/.config that you don't
need anymore.


I would also keep the old drive around for some time in case you notice that
you forgot something...


Good luck!




-- 
Merlin Büge




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