Figuring out a headless server's zeroconf addr

poma pomidorabelisima at gmail.com
Tue Jul 22 14:43:05 UTC 2014


On 22.07.2014 16:24, Robert Moskowitz wrote:
>
> On 07/22/2014 09:57 AM, Ed Greshko wrote:
>> On 07/22/14 21:49, Robert Moskowitz wrote:
>>> On 07/22/2014 09:33 AM, Ed Greshko wrote:
>>>> On 07/22/14 21:22, Robert Moskowitz wrote:
>>>>> But what file is this in now?  /etc/sysconfig/network-scripts is a mess now with scripts for each wifi connection and I can't find any for my ethernet adapter.
>>>> Well, "ip link" will/should give a list of links.
>>> ip link
>>> 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default
>>>       link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
>>> 2: p6p1: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN mode DEFAULT group default qlen 1000
>>>       link/ether e8:9a:8f:8d:7b:56 brd ff:ff:ff:ff:ff:ff
>>> 3: wlp4s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DORMANT group default qlen 1000
>>>       link/ether ac:81:12:9c:e0:95 brd ff:ff:ff:ff:ff:ff
>>>
>>> But I cannot find a script file for p6p1.  Perhaps it only exists when the link is up, so where do I put this option?
>>>
>>>
>> Odd.  First off, NO-CARRIER would suggest the link is not connected.  I just pulled the plug on one of my systems and I see....
>
> Well this is on my notebook and the ethernet was not connected at the
> time.  So now it is plugged in via crossover to the server and link is up.
>
>> [egreshko at f20f ~]$ ip link
>> 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default
>>       link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
>> 2: p2p1: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN mode DEFAULT group default qlen 1000
>>       link/ether 08:00:27:b7:04:4a brd ff:ff:ff:ff:ff:ff
>>
>> But the config file still exists.
>>
>> [egreshko at f20f ~]$ ls /etc/sysconfig/network-scripts/ifcfg-p2p1
>> /etc/sysconfig/network-scripts/ifcfg-p2p1
>
> But still:
>
> ls /etc/sysconfig/network-scripts/ifcfg-p*
> ls: cannot access /etc/sysconfig/network-scripts/ifcfg-p*: No such file
> or directory
>
>
>> Do you have access to the system to use the GUI tools of network manager?   (I'm assuming you are using nm).
>>
>>
> I cannot see anyplace to specify use zeroconf if no dhcp.
>
> This is gnome3 on F20...
>

:)

# file /etc/NetworkManager/NetworkManager.conf
/etc/NetworkManager/NetworkManager.conf: symbolic link to `/etc/NetworkManager/conf.d/keyfile-plugin.conf'

# cat /etc/NetworkManager/conf.d/keyfile-plugin.conf
[main]
plugins=keyfile

[keyfile]
...

# ll /etc/NetworkManager/system-connections/
# rpm -ql NetworkManager | grep man
# rpm -qi $(rpm -qf /usr/lib/systemd/system/avahi-daemon.service)


poma



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