Public bug reported:
Binary package hint: dhcp3-client
Ubuntu 7.10, Intel Pentium M
network-manager 0.6.5-0ubuntu16.7.10.0
dhcp3-client 3.0.5-3ubuntu4
dhcp3-common 3.0.5-3ubuntu4
When a NIC get its initial DHCP lease, on my laptop, the
/etc/resolv.conf file looks like this:
# generated by NetworkManager, do not edit!
search home.lan
nameserver 10.10.10.1
After dhclient renews the lease, the /etc/resolv.conf file looks like this:
search home.lan
nameserver 10.10.10.1
I.e. it has different formatting and no NetworkManager related comment.
I believe this difference is being caused by dhclient writing directly
to /etc/resolv.conf, instead of notifying NetworkManager.
I also believe this behaviour (i.e. updating the resolv.conf behind
NetworkManager's back), is the root cause for many related bugs, like
e.g. #90681.
** Affects: dhcp3 (Ubuntu)
Importance: Undecided
Status: New
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dhclient updates resolv.conf behind network-manager's back
https://bugs.launchpad.net/bugs/192566
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