Re: upgradera till testing via apt

On Tue, 20 Dec 2011, Helgi Örn Helgason wrote:

> On 19 December 2011 19:28, Martin Bagge / brother <martin@...> wrote:
> Hmm... jag har som regel alltid kört dist-upgrade, har inget minne av
> att jag någonsin behövt av att bara köra upgrade.

Jo kör du dist-upgrade istället för upgrade så är det ju en annan femma.
Man-sidan säger så här:

upgrade
     upgrade is used to install the newest versions of all packages
     currently installed on the system from the sources enumerated in
     /etc/apt/sources.list. Packages currently installed with new versions
     available are retrieved and upgraded; under no circumstances are
     currently installed packages removed, or packages not already
     installed retrieved and installed. New versions of currently installed
     packages that cannot be upgraded without changing the install status
     of another package will be left at their current version. An update
     must be performed first so that apt-get knows that new versions of
     packages are available.

dist-upgrade
     dist-upgrade in addition to performing the function of upgrade,
     also intelligently handles changing dependencies with new versions of
     packages; apt-get has a "smart" conflict resolution system, and it
     will attempt to upgrade the most important packages at the expense of
     less important ones if necessary. So, dist-upgrade command may remove
     some packages. The /etc/apt/sources.list file contains a list of
     locations from which to retrieve desired package files. See also
     apt_preferences(5) for a mechanism for overriding the general settings
     for individual packages.


Vid "uppgradering" från "stable" till "testing" tycker jag att följande är
viktigt att ta med sig från dist-upgrade.
    "...handles changing dependencies with new versions of packages..."

Förändringar i beroendekedjor och versionsändringar som sådant är mycket
vanligare mellan "stable"<->"testing"<->"unstable" än inom respektive -
framförallt för "stable" då.

--
/brother
http://martin.bagge.nu
Bruce Schneier is computationally infeasible.


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