"wireless disabled in software"

Christina Salls Christina.Salls at noaa.gov
Tue Sep 27 14:55:31 UTC 2011


On 9/17/11 9:15 AM, Timothy Murphy wrote:
> Craig White wrote:
>
>>> This caused NM to modify or create files all over the place,
>>> including deleting everything in /etc/resolv.conf .
>>> This is a habit of NM that I don't understand -
>>> I cannot think of any circumstances where an empty resolv.conf
>>> would be better than one containing something,
>>> however silly NM might think it was.
>> ----
>> on the other hand, if you don't have any configured network adaptor, the
>> content of /etc/resolv.conf is entirely irrelevant and when you do
>> configure a network adaptor, the contents of /etc/resolv.conf become
>> relevant. If you get an IP address automatically (ie DHCP-client), then
>> it is configured automatically. If you enter an IP address manually, you
>> will need to enter dns server addresses manually since the ones you
>> choose are indeed relevant to the newly configured IP address.
> I have found many times that I am not connected to the internet on my laptop
> BECAUSE NM has deleted the entries in /etc/resolv.conf ,
> and that when I install the proper entries
> (I keep them in /etc/resolv.conf.opendns for this purpose)
> I am immediately connected.
> (I do not need to enter my IP address manually.)
>
> I repeat: I simple don't understand why NM deletes the entries
> in /etc/resolv.conf .
if you apply chattr +i /etc/resolv.conf it will prevent the file from 
being overwritten by dhcpd
> How could this possibly help me?
> In my opinion, any entries in resolv.conf are better than none.
>
> I recently had the experience that NM deleted the HWADDR address
> in /etc/sysconfig/network-scripts/ifcfg-wlan0 .
> Why?
>
> I find the logic of NM completely incomprehensible,
> and I haven't found any simple explanation of it anywhere.
>
> What exactly is its train of thought if it sees a single AP visible?
> Wouldn't any normal person try to connect to that?
> And if it found some key was needed, why not just ask for it?
> More or less what Windows does, in fact.
>
> Recently, a new nightmare has occurred;
> a window comes up called Secret, or something like that,
> with a space for a password, in which it is impossible to write.
> Admittedly closing the window does not seem to leave matters
> any worse than before.
>
> To put it bluntly, NM is very bad if there is a problem.
> It does not give any helpful advice,
> and the entries in /var/log/messages are more or less meaningless,
> eg "deactivating device (reason: 2)".
>
>
>
>
>


-- 
Christina Salls
GLERL Computer Group
help desk (734)741-2127
voicemail (734)741-2446



More information about the users mailing list