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Re: Questions about upgrading from stretch to testing

Shane Dev wrote: 
> Hello,
> I downloaded firmware-9.6.0-amd64-netinst.iso and successfully installed a
> minimal debian stretch on my UEFI/GPT disk. I then I replaced all
> references to "stretch" with "testing" in /etc/apt/sources.list and
> executed sudo apt update; sudo apt install gnome-core firefox-esr.
> Everything works as expected but I have the following questions which I
> posted on the debian-testing mailing list. Since no-one answered, I thought
> I would try here -

apt update loads in new packages to your database; the apt
install installed those particular packages and their

You now have a system which is mostly stretch and partially
testing, and will become more testing over time.

If you want to get everything to testing, do

sudo apt dist-upgrade

> 1. according to uname -r, I am running 4.9.0-7-amd64 which appears to be
> the stretch kernel. Is it safe to run the stretch kernel with programs /
> apps / utilities from testing?

Yes. If a testing version needs a later kernel, that will be a
dependency and it will be installed. (And you will need to

> 2. I noticed the intel-microcode package is not installed. If I install it,
> could this testing version conflict with the stretch kernel?

If it depends on a certain version, see above answer.

> 3. Last time I tried apt upgrade, my grub menu was replaced with the grub
> command prompted. If there any way to avoid this happening again?

Not enough information to tell what happened.


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