****Re: ****Re: ****OT?: Now mysteriously have a hostname defined
Fennix
cn.stefan at gmail.com
Mon Mar 31 19:56:07 UTC 2008
On Mon, Mar 31, 2008 at 7:55 AM, Craig White <craigwhite at azapple.com> wrote:
> On Mon, 2008-03-31 at 06:31 +0800, Fennix wrote:
> > On Mon, Mar 31, 2008 at 6:15 AM, Craig White <craigwhite at azapple.com>
> > wrote:
> > On Mon, 2008-03-31 at 05:56 +0800, Fennix wrote:
> > > On Mon, Mar 31, 2008 at 5:55 AM, Fennix
> > <cn.stefan at gmail.com> wrote:
> > > [root at bogon log]# cat /etc/sysconfig/network
> > > NETWORKING=yes
> > > HOSTNAME=localhost.localdomain
> > > [root at bogon log]#
> > >
> > >
> > > On Mon, Mar 31, 2008 at 5:50 AM, Craig White
> > > <craigwhite at azapple.com> wrote:
> > > On Mon, 2008-03-31 at 05:44 +0800, Fennix
> > wrote:
> > > > I noticed today in my terminal window I
> > now have a
> > > host name of
> > > > "bogon". I had never set a hostname for
> > my Fedora8
> > > home system. I
> > > > can see from my logwatch and cron system
> > mails that
> > > the delivery to
> > > > this host name started March 25th but none
> > of my
> > > mails shows anything
> > > > that seems relevant to what has set this
> > hostname.
> > > Oddly on the 26th
> > > > the system mails were addresses again to
> > > localhost.localdomain but
> > > > again reverted on the 27th to being
> > addresses to
> > > bogon. I have
> > > > checked the man pages on the hostname
> > command to
> > > locate where the name
> > > > is defined. Have checked the
> > > >
> > files /etc/host, /etc/hosts.conf, /etc/hostname
> > > (does not
> > > > exist), /etc/nsswitch.conf, ... but this
> > name does
> > > not show in any of
> > > > the files I have looked at so far. Any
> > ideas where
> > > to look further?
> > > > I am now wondering whether my system has
> > been
> > > compromised somehow...
> > > > Googleing the word bogon shows me the
> > meaning of of
> > > bogon which does
> > > > not seem helpful in this case.
> > > >
> > > > Checking /var/log/messages-20080330 shows
> > the use of
> > > this hostname
> > > > with a reboot I had done on the 24th.
> > Still cannot
> > > see where or how
> > > > this was set.
> > > ----
> > > what is output of?
> > >
> > > cat /etc/sysconfig/network
> > >
> > > Craig
> > >
> > > Ooops....
> > >
> > >
> > > [root at bogon log]# cat /etc/sysconfig/network
> > > NETWORKING=yes
> > > HOSTNAME=localhost.localdomain
> > ----
> > sounds as if the name is attached to either:
> > - NetworkManager and since I don't use it, I don't know where
> > it might
> > store supplemental settings...
> > - the configuration of the device itself
> > - in some script that sets the name somewhere.
> >
> > is this system using DHCP to get its ip address?
> > if so, what is ouput of...
> > /etc/dhclient-eth0.conf
> >
> > I think that if the hostname is 'reset', it should be
> > reflected in
> > syslog...
> > what is output of...
> > grep Host /var/log/messages
> >
> > Might it be set in /etc/rc.d/rc.local?
> > tail /etc/rc.d/rc.local # should look very much like this and
> > anything
> > # additional might be a script that
> > sets it
> > #!/bin/sh
> > #
> > # This script will be executed *after* all the other init
> > scripts.
> > # You can put your own initialization stuff in here if you
> > don't
> > # want to do the full Sys V style init stuff.
> >
> > touch /var/lock/subsys/local
> >
> > Craig
> >
> > --
> > fedora-list mailing list
> > fedora-list at redhat.com
> > To unsubscribe:
> > https://www.redhat.com/mailman/listinfo/fedora-list
> >
> >
> >
> > Hi Craig,
> >
> > Yes this pc does get its address using DHCP but the
> > file /etc/dhclient-eth0.conf does not exist in etc. The only file
> > name starting with dhcp is dhcpd.conf and the contents appear to be a
> > generic sample.
> >
> > The output from /var/log/messages is as follows:
> >
> > [root at bogon log]# grep Host /var/log/messages-20080323
> > Mar 17 13:05:07 localhost kernel: ehci_hcd 0000:00:1d.7: EHCI Host
> > Controller
> > Mar 17 13:05:07 localhost kernel: USB Universal Host Controller
> > Interface driver v3.0
> > Mar 17 13:05:07 localhost kernel: uhci_hcd 0000:00:1d.0: UHCI Host
> > Controller
> > Mar 17 13:05:07 localhost kernel: uhci_hcd 0000:00:1d.1: UHCI Host
> > Controller
> > Mar 17 13:05:07 localhost kernel: uhci_hcd 0000:00:1d.2: UHCI Host
> > Controller
> > Mar 17 13:05:07 localhost kernel: uhci_hcd 0000:00:1d.3: UHCI Host
> > Controller
> > Mar 17 13:05:13 localhost avahi-daemon[2362]: Server startup complete.
> > Host name is linux.local. Local service cookie is 2257381510.
> > Mar 19 02:13:53 localhost kernel: ehci_hcd 0000:00:1d.7: EHCI Host
> > Controller
> > Mar 19 02:13:53 localhost kernel: USB Universal Host Controller
> > Interface driver v3.0
> > Mar 19 02:13:53 localhost kernel: uhci_hcd 0000:00:1d.0: UHCI Host
> > Controller
> > Mar 19 02:13:53 localhost kernel: uhci_hcd 0000:00:1d.1: UHCI Host
> > Controller
> > Mar 19 02:13:53 localhost kernel: uhci_hcd 0000:00:1d.2: UHCI Host
> > Controller
> > Mar 19 02:13:53 localhost kernel: uhci_hcd 0000:00:1d.3: UHCI Host
> > Controller
> > Mar 19 02:13:59 localhost avahi-daemon[2362]: Server startup complete.
> > Host name is linux.local. Local service cookie is 1223127342.
> > [root at bogon log]# grep Host /var/log/messages-20080330
> > Mar 24 04:52:18 bogon kernel: ehci_hcd 0000:00:1d.7: EHCI Host
> > Controller
> > Mar 24 04:52:18 bogon kernel: USB Universal Host Controller Interface
> > driver v3.0
> > Mar 24 04:52:18 bogon kernel: uhci_hcd 0000:00:1d.0: UHCI Host
> > Controller
> > Mar 24 04:52:18 bogon kernel: uhci_hcd 0000:00:1d.1: UHCI Host
> > Controller
> > Mar 24 04:52:18 bogon kernel: uhci_hcd 0000:00:1d.2: UHCI Host
> > Controller
> > Mar 24 04:52:18 bogon kernel: uhci_hcd 0000:00:1d.3: UHCI Host
> > Controller
> > Mar 24 04:52:24 bogon avahi-daemon[2398]: Server startup complete.
> > Host name is bogon.local. Local service cookie is 3193077034.
> > Mar 26 01:25:32 localhost kernel: ehci_hcd 0000:00:1d.7: EHCI Host
> > Controller
> > Mar 26 01:25:32 localhost kernel: USB Universal Host Controller
> > Interface driver v3.0
> > Mar 26 01:25:32 localhost kernel: uhci_hcd 0000:00:1d.0: UHCI Host
> > Controller
> > Mar 26 01:25:32 localhost kernel: uhci_hcd 0000:00:1d.1: UHCI Host
> > Controller
> > Mar 26 01:25:32 localhost kernel: uhci_hcd 0000:00:1d.2: UHCI Host
> > Controller
> > Mar 26 01:25:32 localhost kernel: uhci_hcd 0000:00:1d.3: UHCI Host
> > Controller
> > Mar 26 01:25:36 localhost avahi-daemon[2319]: Server startup complete.
> > Host name is linux.local. Local service cookie is 1396103600.
> > Mar 27 13:35:16 bogon kernel: ehci_hcd 0000:00:1d.7: EHCI Host
> > Controller
> > Mar 27 13:35:16 bogon kernel: USB Universal Host Controller Interface
> > driver v3.0
> > Mar 27 13:35:16 bogon kernel: uhci_hcd 0000:00:1d.0: UHCI Host
> > Controller
> > Mar 27 13:35:16 bogon kernel: uhci_hcd 0000:00:1d.1: UHCI Host
> > Controller
> > Mar 27 13:35:16 bogon kernel: uhci_hcd 0000:00:1d.2: UHCI Host
> > Controller
> > Mar 27 13:35:16 bogon kernel: uhci_hcd 0000:00:1d.3: UHCI Host
> > Controller
> > Mar 27 13:35:22 bogon avahi-daemon[2381]: Server startup complete.
> > Host name is bogon.local. Local service cookie is 2714176635.
> > [root at bogon log]# grep Host /var/log/messages
> > Mar 31 04:32:20 bogon kernel: ehci_hcd 0000:00:1d.7: EHCI Host
> > Controller
> > Mar 31 04:32:20 bogon kernel: USB Universal Host Controller Interface
> > driver v3.0
> > Mar 31 04:32:20 bogon kernel: uhci_hcd 0000:00:1d.0: UHCI Host
> > Controller
> > Mar 31 04:32:20 bogon kernel: uhci_hcd 0000:00:1d.1: UHCI Host
> > Controller
> > Mar 31 04:32:20 bogon kernel: uhci_hcd 0000:00:1d.2: UHCI Host
> > Controller
> > Mar 31 04:32:20 bogon kernel: uhci_hcd 0000:00:1d.3: UHCI Host
> > Controller
> > Mar 31 04:32:25 bogon avahi-daemon[2339]: Server startup complete.
> > Host name is bogon.local. Local service cookie is 4272874820.
> >
> > Running tail /etc/rc.d/rc.local gives me identical results to your
> > sample.
> >
> > Thank you very much for your suggestions. Not clear on the meaning of
> > the output from messages....The host name should not be derived from
> > the computer hardware/firmware.
> ----
> I'm thinking that the name must be coming from your dhcp server or from
> the config file for the network adaptor...
>
> what is output of?
> grep HOST /etc/sysconfig/network-scripts/ifcfg-eth0
>
> what is providing DHCP to this system?
>
> Craig
>
> --
> fedora-list mailing list
> fedora-list at redhat.com
> To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list
>
Hi Craig,
Still have not determined the cause of the hostname becoming set. My
suspicion now is that it might be DHCP. I have now reset the hostname by
setting up the /etc/hostname file then running "hostname -F /etc/hostname".
I wish I could have determined the cause of this but if what I have done is
permanent then I will live with that.
Thank you again for your help.
Fennix
PS: Thank you to kalinux as well for your suggestion. The avahi daemon was
running so I have stopped that service (since it definitely is unnecessary)
but after rebooting I still did have the bogon hostname for my system. I
have overridden the name using the hostname command and making a hostname
file.
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