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[solarflow99]

Is there any tool such as authselect in ubuntu?  I don't see much about the
pam stack and nsswitch changes for different auth types.


On Sun, May 14, 2023 at 2:00 AM Bret Busby <bret at busby.net> wrote:

> On 14/5/23 10:00, Ralf Mardorf via ubuntu-users wrote:
> > On Sat, 2023-05-13 at 16:16 -0400, Robert Heller wrote:
> >> Ubuntu uses apt for its package management
> >
> > A PS related to apt:
> >
> > While the "restricted" and "multiverse" repositories are clear, IMO it's
> > important to be aware of the difference between software from "main" and
> > from "universe", too. Actually a lot of the applications that "community
> > and users feel are most important" are provided by "universe", too.
> >
> > Something installed under the apt package management might be replaced
> > by a snap when doing a release upgrade, without informing the user that
> > this does happen, see https://packages.ubuntu.com/jammy/firefox . The
> > way a containerized snap and a classic package management installed app
> > behave are different and easily can become the cause for trouble.
> >
> > IOW the Ubuntu style differs a lot from the Debian way.
> >
> > "Main
> >
> > The main component contains applications that are free software, can be
> > freely redistributed and are fully supported by the Ubuntu team. This
> > includes the most popular and most reliable open-source applications
> > available, many of which are included by default when you install
> > Ubuntu. Software in main includes a hand-selected list of applications
> > that the Ubuntu developers, community and users feel are most important,
> > and that the Ubuntu security and distribution team are willing to
> > support. When you install software from the main component, you are
> > assured that the software will come with security updates and that
> > commercial technical support is available from Canonical.
> >
> > Restricted
> >
> > Our commitment is to only promote free software – or software available
> > under a free licence. However, we make exceptions for a small set of
> > tools and drivers that make it possible to install Ubuntu and its free
> > applications on everyday hardware. These proprietary drivers are kept in
> > the restricted component. Please note that it may not be possible to
> > provide complete support for this software because we are unable to fix
> > the software ourselves - we can only forward problem reports to the
> > actual authors. Some software from restricted will be installed on
> > Ubuntu CDs but is clearly separated to ensure that it is easy to remove.
> > We will only use non-open-source software when there is no other way to
> > install Ubuntu. The Ubuntu team works with vendors to accelerate the
> > open-sourcing of their software to ensure that as much software as
> > possible is available under a free licence.
> >
> > Universe
> >
> > The universe component is a snapshot of the free, open-source, and Linux
> > world. It houses almost every piece of open-source software, all built
> > from a range of public sources. Canonical does not provide a guarantee
> > of regular security updates for software in the universe component, but
> > will provide these where they are made available by the community. Users
> > should understand the risk inherent in using these packages. Popular or
> > well supported pieces of software will move from universe into main if
> > they are backed by maintainers willing to meet the standards set by the
> > Ubuntu team.
> >
> > Multiverse
> >
> > The multiverse component contains software that is not free, which means
> > the licensing requirements of this software do not meet the Ubuntu main
> > component licence policy. The onus is on you to verify your rights to
> > use this software and comply with the licensing terms of the copyright
> > holder. This software is not supported and usually cannot be fixed or
> > updated. Use it at your own risk." -
> >   https://help.ubuntu.com/community/Repositories#Main
> >
> >
>
> Thank you for the clarification of what each of the main, restricted,
> universe and multiverse, represent.
>
> That is the first explanation, that I remember seeing.
>
> Whilst it is now a while (almost ten years, now, I think), since I last
> used Debian, I am wondering whether Debian has, in that time, gone the
> same way as Ubuntu, and, no longer uses /etc/apt/sources.list as the
> list of repositories, but, instead, uses the /etc/apt/sources.list.d
> hierarchy.
>
> ..
> Bret Busby
> Armadale
> West Australia
> (UTC+0800)
> ..............
>
>
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