Please See :
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=176469
Solution (maybe) :
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=176469#c6
2006-02-22 (수), 22:48 +0100, antonio montagnani 쓰시길:
> I can't solve this problem...
>
> Scenary
>
> 1 Pc acting as router with Fedora 4, iptables, squid, transparent
> proxy
> other PC's working with Fedora
>
> I have two twin networks (at home and at office) and they are very
> similar, i.e. in most cases configuration files are the same,
> sometimes transferred from one system forth and backwards. One router
> has been updated from RH8 to RH9/FC1/FC2/FC3/FC4, the other router was
> a fresh FC4 install.
>
> I updated all systems (router and other computers) by yum update or
> graphically by Yumex for a long time.
> Suddenly yum (and Yumex) on one router didn't work any more, while
> synaptic works fine
>
> Suddenly the router could not be updated by yum:
>
> yum update
> Setting up Update Process
> Setting up repositories
> Cannot find a valid baseurl for repo: updates-released
> Error: Cannot find a valid baseurl for repo: updates-released
>
> The other PC on same network could be updated by yum
>
> On Paul's advice i issued the wget command on the router
> Please note the difference if I use flag --inet6 (that doesn't work)
> or inet4 that works. Wget without any flag works flawlessly.
>
> get -v --inet6-only
>
http://download.fedora.redhat.com/pub/fedora/linux/core/4/i386/os/repodat...
> --13:38:06--
>
http://download.fedora.redhat.com/pub/fedora/linux/core/4/i386/os/repodat...
> => `repomd.xml.6'
> Risoluzione di
download.fedora.redhat.com in corso... fallito: Name or
> service not known.
>
> wget -v --inet4-only
>
http://download.fedora.redhat.com/pub/fedora/linux/core/4/i386/os/repodat...
> --13:40:30--
>
http://download.fedora.redhat.com/pub/fedora/linux/core/4/i386/os/repodat...
> => `repomd.xml.6'
> Risoluzione di
download.fedora.redhat.com in corso... 66.187.224.20,
> 209.132.176.20, 209.132.176.220, ...
> Connessione a download.fedora.redhat.com|66
> .187.224.20:80... connesso.
> HTTP richiesta inviata, aspetto la risposta... 200 OK
> Lunghezza: 1,140 ( 1.1K) [text/xml]
>
> 100%[====================================>] 1,140 --.--K/s
>
> 13:40:31 (673.08 KB/s) - "repomd.xml.6" salvato [1140/1140]
>
> Same commands on other PC works fine.
>
> Please note that apart from this problem, I can surf the net and get
> e-mails also on router, and all networks runs fine on the Internet.
>
> Any idea, any point to start where to investigate???
>
>
> Tnx
> --
> Antonio Montagnani
> Skype : antoniomontag
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Yes....
It worked following the advice in bugzilla. Nsswitch.conf was broken
Tnx a lot
--
Antonio Montagnani
Skype : antoniomontag