dnf update vs Software Udpates
Radek Holy
rholy at redhat.com
Thu Jul 23 07:07:04 UTC 2015
----- Original Message -----
> From: "Radek Holy" <rholy at redhat.com>
> To: "Community support for Fedora users" <users at lists.fedoraproject.org>
> Sent: Thursday, July 23, 2015 9:01:24 AM
> Subject: Re: dnf update vs Software Udpates
>
>
>
> ----- Original Message -----
> > From: "Ron Yorston" <rmy at frippery.org>
> > To: users at lists.fedoraproject.org
> > Sent: Wednesday, July 22, 2015 8:20:11 PM
> > Subject: Re: dnf update vs Software Udpates
> >
> > Suvayu Ali wrote:
> > >That said, I sometimes do not understand what's the harm in getting
> > >updates few hours later. dnf already tells you how old the metadata is
> > >when it starts, you can choose to get the latest metadata if it is too
> > >old. So what's the big deal?
> >
> > I certainly get the impression that dnf tells me about updates less
> > frequently than yum did. It also seems to pull in metadata less
> > frequently.
> >
> > In fedora-updates.repo I have: metadata_expire=6h. I also have the
> > dnf-makecache.timer 'masked'.
> >
> > It's more than 6 hours since I last ran dnf but:
> >
> > [root at vulcan rmyf22]# dnf check-update
> > Fedora 22 - x86_64 - RMY repository 131 kB/s | 6.0 kB 00:00
> > Last metadata expiration check performed 0:00:00 ago on Wed Jul 22 08:38:32
> > 2015.
> > [root at vulcan rmyf22]#
> >
> > No updates. It pulled in metadata for my private repo but not
> > fedora-updates. So is it really telling me "how old the metadata is"?
> > The message just refers to the last time an expiration check was
> > performed. Does that mean the metadata was up to date as of 0:00:00 ago?
> > Because, as we shall see, it clearly wasn't.
>
> No, precisely, it tells you the maximum of all timestamps of caches of all
> repositories. I mean, if the cache of "fedora" is 3 hours old, the cache of
> "updates" is 2 hours old and the cache of "updates-testing" is 1 hour old,
> the output is 1 hour.
>
> To see all the timestamps, you should use "--debug". Maybe you can help us by
> filling an RFE with a suggestion of a better message?
I mean "--verbose", sorry.
> > Let's try the --refresh option:
> >
> > [root at vulcan rmyf22]# dnf --refresh check-update
> > Fedora 22 - x86_64 - RMY repository 113 kB/s | 6.0 kB 00:00
> > Last metadata expiration check performed 0:00:00 ago on Wed Jul 22 08:39:01
> > 2015.
> > [root at vulcan rmyf22]#
> >
> > Still no updates. Time for a bigger hammer (don't try this at home or
> > offer it as advice to newbies):
> >
> > [root at vulcan rmyf22]# rm -rf /var/cache/dnf/x86_64/22/updates*
> > [root at vulcan rmyf22]# dnf check-update
> > Fedora 22 - x86_64 - Updates 774 kB/s | 12 MB 00:16
> > Last metadata expiration check performed 0:00:16 ago on Wed Jul 22 08:40:02
> > 2015.
> >
> > environment-modules.x86_64 3.2.10-16.fc22
> > updates
> > ...
> >
> > Plus 55 other updates. What's going on?
> >
> > Ron
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>
> --
> Radek Holý
> Associate Software Engineer
> Software Management Team
> Red Hat Czech
--
Radek Holý
Associate Software Engineer
Software Management Team
Red Hat Czech
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