John R. Dennison wrote:
On Tue, Jan 19, 2010 at 02:02:52PM -0600, David R. Wilson wrote:
Hello Howard,
Check /etc/sysconfig/network and /etc/sysconfig/network-scripts/.
Seconded. NetworkMangler does bad things to the
/etc/sysconfig/network-scripts/ifup-ethX interface
definition files at times.
I have been using CentOS on some stuff for a while, but not the desktop
version. If I was guessing I would not be surprised if they are using
CentOS is CentOS; desktop vs server is for the most part
irrelevant as far as network configuration goes with the
except of NetworkMangler.
something in the way of NetworkManager, which I have found to be a very
evil problem in the past.
NetworkMangler should not be installed on any system that one
expects or requires stability / reliability.
yum erase NetworkManager; watch the deps it wants to remove, but
it should be ok overall.
I forget what I installed on the laptop as an alternative, but I got
really tired of fixing the problems (which are most likely now fixed) in
the NetworkManager program.
There are still issues with NetworkMangler and I suspect there
always will be for the lifetime of C5; C6 should be based on
Fedora 11 or 12 (likely 12) so while it may see some improvements
in this arena I personally wouldn't hold my breath.
If, for some reason, your NIC is not supported give the ElRepo
third-party repository a look; it's where we point people that
have hardware requirements that the stock C4/C5 kernels do
not support. You can find more information about this repo,
and the others, at the following url. *Please* pay attention
to the section on yum-priorities (ignore the junk at the
top of the wiki article, you *must* use priorities with most
of the third-party repos unless you want the C4/C5 base stomped
on:
http://wiki.centos.org/AdditionalResources/Repositories
John
Many thanks for the responses. Allow me to reiterate that the
/etc/sysconfig/network and /etc/sysconfig/network-scripts/ifcfg-eth0
files are correct. I did as John Dennison suggests and yum erase
NetworkManager to no net change in behavior.
The fact that I can enter a default route:
route add default gw blah.blah.blah.blah
and the network comes up lays to rest any issues with the NIC working
with the kernel --- mostly ;)
I sure wish I could find where to strangle whatever "NetworkManager"
Linux Mint installs! All I want to be able to do is ifdown eth0 then
ifup eth0. "Unknown interface..." They've papered over the dirty stuff.
Howard
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