On Mon, Mar 31, 2008 at 7:55 AM, Craig White <craigwhite@xxxxxxxxxxx> wrote:
On Mon, 2008-03-31 at 06:31 +0800, Fennix wrote:
> On Mon, Mar 31, 2008 at 6:15 AM, Craig White <craigwhite@xxxxxxxxxxx>
> wrote:
> On Mon, 2008-03-31 at 05:56 +0800, Fennix wrote:
> > On Mon, Mar 31, 2008 at 5:55 AM, Fennix
> <cn.stefan@xxxxxxxxx> wrote:
> > [root@bogon log]# cat /etc/sysconfig/network
> > NETWORKING=yes
> > HOSTNAME=localhost.localdomain
> > [root@bogon log]#
> >
> >
> > On Mon, Mar 31, 2008 at 5:50 AM, Craig White
> > <craigwhite@xxxxxxxxxxx> 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@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
>
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>
>
> 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@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@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@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
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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.
