:: Re: [DNG] daedalus with chromiium
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著者: Bob Proulx
日付:  
To: dng
題目: Re: [DNG] daedalus with chromiium
Haines Brown wrote:
> I still get "Unable to locate package chromium". It seems that when I
> did update/dist-upgrade after modifying sources.list to accommodate
> daedulus I did not get the no InRelease file error. The chimaera
> previously installed on this disk did not have chromium installed.


What does this say for you?

    apt-cache policy chromium


It should say something similar to this.

    root@clash:~# apt-cache policy chromium
    chromium:
      Installed: (none)
      Candidate: 100.0.4896.127-1
      Version table:
         100.0.4896.88-1 500
            500 http://deb.debian.org/debian daedalus/main amd64 Packages


If it does not then investigate why not.

It's just possible that having changed suites that apt is waiting for
an acknowledgment. This was added in some recent year.

       --allow-releaseinfo-change
           Allow the update command to continue downloading data from a
           repository which changed its information of the release contained
           in the repository indicating e.g a new major release. APT will fail
           at the update command for such repositories until the change is
           confirmed to ensure the user is prepared for the change. See also
           apt-secure(8) for details on the concept and configuration.


           Specialist options (--allow-releaseinfo-change-field) exist to
           allow changes only for certain fields like origin, label, codename,
           suite, version and defaultpin. See also apt_preferences(5).
           Configuration Item: Acquire::AllowReleaseInfoChange.


To acknowledge the change do this as root.

    apt-get update --allow-releaseinfo-change
    apt-get update


Then follow the acknowledgment by another update. It's confusing but
as far as I can see from documentation and experimentation it needs
both of those. The first to acknowledge and the second to actually do
the update of the new Packages indexes. After that everything should
be available.

> I tried $ sudo apt-get --allowUnauthenticated install chromium, but
> this command was unable to locate chromium.
>
> I did not create a file /etc/apt/apt.conf/d/99myown with line
>
> APT::Get::AllowUnauthenticated "true";
>
> because very insecure. In any case I'm not sure it would work


The main useful purpose of --allow-unauthenticated is for *older*
releases in the archive that have expired keys. Because those are
archived they are not getting signed with updated keys. The original
signatures are still as indicative as before but now they have expired.

       --allow-unauthenticated
           Ignore if packages can't be authenticated and don't prompt about
           it. This can be useful while working with local repositories, but
           is a huge security risk if data authenticity isn't ensured in
           another way by the user itself. The usage of the Trusted option for
           sources.list(5) entries should usually be preferred over this
           global override. Configuration Item:
           APT::Get::AllowUnauthenticated.



Daedalus is currently active and there should be no need to use the
--allow-unauthenticated option.

It's also useful for unsigned local repositories and other uses too.
Not to give the idea that it isn't ever useful. But it worries me to
be used for Daedalus on the currently active reposities.

Bob