Re: Load new profile in Network manager v0.9.4 using cli (without nm-connection-editor) ?

Hello Thomas,

thanks for your answer.
There are some business needs behind this migration to NM requirement...

Reg. nm-connection-editor - i already tried to generate a new profile using nce and then just copy it to the proper location but NM just ignores it.

However, i found a solution - - by using this python script i'm able to add NM connections on the fly without anything else, problem solved :)


On Tue, Aug 12, 2014 at 12:07 PM, Thomas Haller <thaller redhat com> wrote:
On Tue, 2014-08-12 at 08:46 +0200, Stanislav Bocinec wrote:
> Hello,
> i'm working on migration of autoprovisioned Ubuntu 12.04 LTS servers
> from ifup (/etc/network/interfaces) to NetworkManager
> (v0.9.4.0). /etc/network/interfaces is clean (only loopback interface
> is configured):
> # cat /etc/network/interfaces
> auto lo
> iface lo inet loopback
> In this scenario, NM list one 'Wired connection 1':
> # nmcli c list
> NAME                      UUID                                   TYPE              TIMESTAMP-REAL
> Wired connection 1        e96b8486-3ea8-4f20-bd5a-2d532c2cf90a   802-3-ethernet    Wed 06 Aug 2014 03:13:29 PM CEST

This connection is in memory only, and generated automatically
because there was no other connection.

> /etc/NetworkManager/system-connections/ is empty:
> # ls -la /etc/NetworkManager/system-connections/
> total 8
> drwxr-xr-x 2 root root 4096 Aug  6 15:11 .
> drwxr-xr-x 5 root root 4096 Aug  6 11:37 ..

you certainly should be able to provide "keyfiles"
in /etc/NetworkManager/system-connections/. Make sure they are owned by
root and `chmod 600`.

Maybe, you also have to configure


in /etc/NetworkManager/NetworkManager.conf. See `man
NetworkManager.conf`, but actually I think that "keyfile" is enabled
always (*) and depending on whether you want to use ifupdown, that might
be correct.

(*) at least on recent NM. 0.9.4 is already a bit older, didn't check

... I did not fully understand, would you prefer to
provide /etc/network/interfaces instead of keyfiles? The former has the
advantage that it works together with Ubuntus default network
configuration. However, there might be options that are not available or
not supported. "keyfile" supports everything.

> When i generate new profile and store it
> in /etc/NetworkManager/system-connections/ i'm not able to persuade NM
> to register/load this profile:
> # cat /etc/NetworkManager/system-connections/DHCP
> [802-3-ethernet]
> duplex=full
> [connection]
> id=DHCP
> uuid=25b9bcf8-1534-411d-8cb6-a3d4fcf33f5a
> type=802-3-ethernet
> timestamp=1407331036
> [ipv6]
> method=auto
> [ipv4]
> method=auto
> # service network-manager restart
> network-manager stop/waiting
> network-manager start/running, process 1918
> # nmcli c list
> NAME                      UUID                                   TYPE              TIMESTAMP-REAL
> Wired connection 1        df785c8f-67e6-44c0-8434-2ca2b96d6408   802-3-ethernet    Wed 06 Aug 2014 03:27:16 PM CEST
> I'm able to create new profile only using nm-connection-editor, but we
> can't use this method in autodeployments.

you can use nm-connection-editor to help you generating an initial
configuration. Then you can copy the keyfile around (and possibly
adjusting by hand).

> Can anyone suggest, how to accomplish import and successful load of
> manually created NM profile into the NM? I'm aware NM supports  is
> already added in v0.9.9.1, but if there is any way how to succeed with
> mine setup, i'll appreciate any help!
> I asked already on serverfault but without
> success..(

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