From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?ISO-8859-1?Q?Dar=EDo_Mariani?= Subject: Re: Re: DNS caching nameserver problem Date: Tue, 31 May 2005 09:56:37 -0300 Message-ID: <84bd26ef050531055615bce748@mail.gmail.com> References: Reply-To: =?ISO-8859-1?Q?Dar=EDo_Mariani?= Mime-Version: 1.0 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: Content-Disposition: inline Sender: linux-admin-owner@vger.kernel.org List-Id: Content-Type: text/plain; charset="iso-8859-1" To: Cc: linux-admin@vger.kernel.org I did not check how does RedHat work but it has a script called dhclient. Most probably you can add an option to /etc/sysconfig/network or /etc/sysconfig/network-scripts/ifcfg-*. You should better go to the redhat page and check its documentation. Dar=EDo On 5/30/05, gerardo juarez-mondragon = wrote: >=20 > Red Hat 7.something... >=20 >=20 >=20 > ---- Begin Original Message ---- >=20 > From: Dar=EDo Mariani > Sent: Mon, 30 May 2005 15:24:04 -0300 > To: gerardo juarez-mondragon > > CC: linux-admin@vger.kernel.org > Subject: Re: DNS caching nameserver problem >=20 >=20 > Yes, the problem is that your DHCP client is > overwriting the > resolv.conf file. How to avoid this, as far as I > know, is > distribuition specific. What distribution do you > have? >=20 > Dar=EDo >=20 > On 5/30/05, gerardo juarez-mondragon > wrote: > > I have a DNS caching server that works ok until > > it is rebooted. When this happens it restarts > > normally, except the /etc/resolv.conf file is > > altered and the server stops serving names. (The > > line 'nameserver 127.0.0.1' is missing and other > > namservers appear instead). > > > > The server obtains an address through DHCP and my > > theory is that the DHCP server is providing it > > with DNS servers as well, which it substitutes > > when it probably shouldn't. > > > > I have tried a horrible patch in rc.local, > > stopping named, overwriting resolv.conf with a > > correct copy and restarting, but > > editing the file and restarting 'named' does not > > seem to work 100% of the time, requiring > > sometimes one or two restarts of the service to > > make it serve names for the internal hosts. > > > > What do you think is the problem? > > Is there a workaround? > > > > Thank you for your comments. > > Gerardo > > > > > > > > Searching for the best free email? Try > MetaCrawler Mail, from the #1 metasearch service > on the Web, http://www.metacrawler.com > > - > > To unsubscribe from this list: send the line > "unsubscribe linux-admin" in > > the body of a message to majordomo@vger.kernel.org > > More majordomo info at > http://vger.kernel.org/majordomo-info.html > > >=20 > ---- End Original Message ---- >=20 >=20 >=20 > Searching for the best free email? Try MetaCrawler Mail, from the #1= metasearch service on the Web, http://www.metacrawler.com > - > To unsubscribe from this list: send the line "unsubscribe linux-admin= " in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > - To unsubscribe from this list: send the line "unsubscribe linux-admin" = in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html