Re: [PATCH] README: add pkg kernel-devel to dnf command

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On Fri, May 15, 2020 at 2:36 PM Stephen Smalley
<stephen.smalley.work@xxxxxxxxx> wrote:
>
> On Fri, May 15, 2020 at 3:27 PM William Roberts
> <bill.c.roberts@xxxxxxxxx> wrote:
> >
> > On Fri, May 15, 2020 at 1:51 PM Stephen Smalley
> > <stephen.smalley.work@xxxxxxxxx> wrote:
> > >
> > > On Fri, May 15, 2020 at 2:11 PM William Roberts
> > > <bill.c.roberts@xxxxxxxxx> wrote:
> > > >
> > > > On Fri, May 15, 2020 at 12:59 PM Ondrej Mosnacek <omosnace@xxxxxxxxxx> wrote:
> > > > >
> > > > > On Fri, May 15, 2020 at 7:31 PM <william.c.roberts@xxxxxxxxx> wrote:
> > > > > > From: William Roberts <william.c.roberts@xxxxxxxxx>
> > > > > >
> > > > > > The text above states that kernel-devel is needed, but it's missing from
> > > > > > the dnf command.
> > > > > >
> > > > > > Signed-off-by: William Roberts <william.c.roberts@xxxxxxxxx>
> > > > > > ---
> > > > > >  README.md | 3 ++-
> > > > > >  1 file changed, 2 insertions(+), 1 deletion(-)
> > > > > >
> > > > > > diff --git a/README.md b/README.md
> > > > > > index 1f7e5d92a100..a73e9cc0c06d 100644
> > > > > > --- a/README.md
> > > > > > +++ b/README.md
> > > > > > @@ -77,7 +77,8 @@ following command:
> > > > > >                 kernel-devel \
> > > > >
> > > > > It's actually right there already ^^
> > > >
> > > > Yeah that's the foot cannon, I thought I was good, but you need the
> > > > specific ones
> > > > as Ondrej pointed out to me.
> > > >
> > > > >
> > > > > >                 quota \
> > > > > >                 xfsprogs-devel \
> > > > > > -               libuuid-devel
> > > > > > +               libuuid-devel \
> > > > > > +               kernel-devel-$(uname -r)
> > > > >
> > > > > I proposed adding the -$(uname -r) before, but there were some valid
> > > > > counterarguments. See the discussion here:
> > > > > https://lore.kernel.org/selinux/CAFqZXNs5jcOOnhzT8=DQgzaf9RtBZ1=oqTU83pjVLMqPb-rzHA@xxxxxxxxxxxxxx/
> > > > >
> > > >
> > > > Arguments for why the dnf command should have it with uname:
> > > > 1. We tried to add it twice, it's bit people twice.
> > > > 2. The README states "On a modern Fedora system you can install these
> > > > dependencies with the following command:"
> > > >     - which is wrong, you need the specific package
> > > >     - If you're going to provide a "dnf install" or a apt-get install,
> > > > it should just work
> > > >     - the apt-get example has uname -r in it.
> > > >     - so the precludes building your own kernel, if you do that as
> > > > Paul stated, you're on your own. (lore comment)
> > >
> > > I'm ok with adding it.
> >
> > Does anyone want to ack this one?
>
> To be clear, we should just replace "kernel-devel" in the dnf command
> with "kernel-devel-$(uname -r)" assuming that works.
> Not just add it in addition to the existing kernel-devel line.

Ahh, Ok.

>
> > Ok I found another one, kernel-modules-extra is needed for the sctp module.
> >
> > The tests expect sctp support, should we conditionally skip these if
> > sctp is not enabled?
> > Whats the best way of checking for that proto if we want this? just an
> > ls of /proc/sys/net:
> > ls /proc/sys/net/
> > bridge  core  ipv4  ipv6  netfilter  nf_conntrack_max  sctp  unix
>
> Currently we require that the defconfig options are enabled (as per
> the README.md).
> Making sctp optional however might not be a bad idea since it is
> blacklisted these days by default in some distros.

Except defconfig has it as a module, so you need to have the module
there and loaded. So for Fedora, you need the kernel modules package
and modprobe it.



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