[R-sig-Debian] R-4.0.0 and Texlive 2020 installed on EmmabuntusDE4 (Debian Bullseye)

[Johannes Ranke]

Hi Patrice,

Am Mittwoch, 29. April 2020, 11:03:56 CEST schrieb Patrice Kiener:
> Hi Johannes,
> 
> 
> Thank you for your comments. I run
>    sudo apt install -t bullseye-cran40 r-base
> 
> and have now the current R-4.0.0 in /usr/lib/R with links in the menus
> and R-devel R-4.1.0 in ~/patrice/svn/R/r-devel/build. Perfect.

Great!
 
> I used sid just to get the full Texlive 2020. I will probably not update
> it for a while and have already removed (commented) the sid line in
> sources.list as I do not want to break my system with too much fresh
> libraries. Indeed, we want to be on the edge for a few software (R,
> Texlive) and are conservative for all other parts of the OS. Thanks for
> the tips on /etc/apt/preferences.

You're welcome!
 
> Regarding the key, you can probably move the section at the top of the
> documentation as it is a necessary step. The key currently mentionned in
> the instruction is:
>   sudo apt-key adv --keyserver keys.gnupg.net --recv-key
> 'E19F5F87128899B192B1A2C2AD5F960A256A04AF'
> 
> but the one that worked for me (found in one comment in
> https://stackoverflow.com/questions/10255082/installing-r-from-cran-ubuntu-r
> epository-no-public-key-error) is:
>   sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys
>   FCAE2A0E115C3D8A
> 
> The length of digits is different. Maybe one is the shortest version of
> the other?

Using the full fingerprint prevents forging the repository by uploading a fake 
key to the keyservers with the same hash string. This is known to have 
happened to other people.

Cheers,

Johannes


> 
> Patrice
> 
> 
> 
> 
> Dear Patrice,
> 
> 
> thanks for sharing your experience with Debian based distributions. It
> is amazing how many distros you tested!
> 
> In your situation I would recommend apt pinning for installing texlive
> 2020 from Debian sid on Debian bullseye aka testing or related systems.
> Simply adding sid sources as you did will make your system upgrade to
> sid. It seems you partially upgraded some of your test systems to sid
> and were left with broken systems.
> 
> This will also apply to emmabuntü - if you just added the sid repository
> without editing /etc/apt/preferences, you will always pull packages from
> sid which may be ok for your use case, but you should be aware of it.
> 
> You would need to edit /etc/apt/preferences in order to tell apt to just
> use texlive from sid and the other packages from bullseye.
> 
> Regarding the command to add my key, this is actually there, but I
> believe it was too far down - I just moved the section on secure apt
> before the section on the different distributions. Thanks for the hint!
> 
> Regarding your attempt to use the backports for bullseye on CRAN for
> your Emmabuntüs system, chances are it would have worked if you would
> have used the command I am listing there (of course adding sudo):
> 
>    sudo apt install -t bullseye-cran40 r-base
> 
> instead of simply
> 
>    sudo apt install r-base
> 
> However, now you have the newest devel version compiled from sources for
> checking your packages on Linux which is nice as well!
> 
> 
> Kind regards,
> 
> 
> Johannes
> 
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