find /etc/sysconfig/ -type f -exec grep -iH 'peerdns=' {} \;
/etc/sysconfig/network-scripts/ifcfg-eth0:PEERDNS=no
/etc/sysconfig/network-scripts/ifcfg-eth0.old:PEERDNS=yes
/etc/sysconfig/networking/profiles/default/ifcfg-eth0:PEERDNS=no
/etc/sysconfig/networking/devices/ifcfg-eth0:PEERDNS=no
# chkconfig --list|grep Net
NetworkManager 0:off 1:off 2:off 3:off 4:off 5:off 6:off
# /etc/init.d/NetworkManager status
NetworkManager is stopped
# find /etc/sysconfig/ -type f -exec grep -iH 'bootproto=' {} \;
/etc/sysconfig/network-scripts/ifcfg-eth0:BOOTPROTO=none
/etc/sysconfig/network-scripts/ifcfg-eth0.old:BOOTPROTO=none
/etc/sysconfig/network-scripts/ifup-eth: BOOTPROTO=bootp
/etc/sysconfig/networking/profiles/default/ifcfg-eth0:BOOTPROTO=none
/etc/sysconfig/networking/devices/ifcfg-eth0:BOOTPROTO=none
# cat /etc/resolv.conf
; generated by /sbin/dhclient-script
search soest.hawaii.edu
nameserver 1...
nameserver 1...
So, it's not PEERDNS, not DHCP, not NetworkManager. Why is dhclient-script even being run?
Maybe I should disable selinux altogether, instead of just making it permissive? I think I'll try that.
# grep resol /sbin/dhclient-script
make_resolv_conf() {
save_previous /etc/resolv.conf
change_resolv_conf $rscf
for resolvfile in /etc/resolv.conf* ; do
/sbin/restorecon $resolvfile >/dev/null 2>&1
make_resolv_conf
if [ -f /etc/resolv.conf.predhclient.$interface ]; then
change_resolv_conf /etc/resolv.conf.predhclient.$interface
rm -f /etc/resolv.conf.predhclient.$interface
[root@lee1 ~]# getenforce
Permissive
How badly would things blow up if I did this?
chmod a-w /etc/resolv.conf
mahalo,
Dave
On Thu, Oct 8, 2009 at 7:41 AM, Dave <tdbtdb+centos@xxxxxxxxx> wrote:
My machine has a static IP, with dhcp and IPv6 disabled. Every time I
reboot, some process rewrites /etc/resolv.conf, including a comment
about dhcpclient. The only package I have installed that shows up in
"rpm -qa|grep -i dhcp" is dhcpv6-client-1.0.10-16.el5, and nothing in
there is named dhcpclient.
I'd like to figure out what software is rewriting this file and why.
man 5 resolv.conf and man resolver are unhelpful in this case. rpm
reports /etc/resolv.conf is not owned by any package.
At this point, I am as (or more) interested in pointers regarding how
to find the answer as I am in the actual answer. Please teach me to
fish.
mahalo,
Dave
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