Thanks, for the reply! So I have to check manually? no way nmcli saying file exits and quit. (because it will still make a file with name ifcfg-xxx-1 if ifcfg-xxx exist).
On Fri, Apr 16, 2021 at 11:27 PM Thomas Haller <thal...@redhat.com> wrote: > On Fri, 2021-04-16 at 17:57 -0700, Abu Rasheda via networkmanager-list > wrote: > > E.g. running the following command multiple times > > > > nmcli conn add type ethernet > > > > will create multiple files > > > > -rw-r--r--. 1 root root 270 Apr 16 20:53 ifcfg-ethernet > > -rw-r--r--. 1 root root 272 Apr 16 20:54 ifcfg-ethernet-1 > > > > Is it possible for nmcli to see that ifcfg-ethernet already exist and > > not create ifcfg-ethernet-1 > > > > How can I pass this message to nmcli > > > > Thanks > > > Hi, > > > The NetworkManager client tool (like nmcli, or a GUI) in general does > not know which file name will be chosen. In the NetworkManager API you > can see the file name (like > > - `nmcli -f all connection` > - `nmcli connection up filename "$FILENAME"` > - `nmcli connection load "$FILENAME"` > > but the client tool cannot pre-determine which file name will be used > when adding a profile. > > If you care about the filename, create the file instead of using `nmcli > connection add` (followed by `nmcli connection reload`) > > > But is your problem really the filename here? It seems, when you add a > new profile, it would be good to choose a name for it, and don't let > nmcli automatically choose "ethernet" and "ethernet-1". Just do: > > nmcli connection add type ethernet con-name xxx > > "con-name" is an alias for "connection.id", and contrary to what one > might reasonably expect, the "id" is not enforced to be unique: > > $ nmcli connection add type ethernet con-name xxx > Connection 'xxx' (7f23f5cd-90f3-4cd8-8612-cf5d0856b130) successfully added. > $ nmcli connection add type ethernet con-name xxx > Warning: There is another connection with the name 'xxx'. Reference the > connection by its uuid '8811722f-d662-48c5-9271-c8aa764d8f4a' > Connection 'xxx' (8811722f-d662-48c5-9271-c8aa764d8f4a) successfully added. > > It's a good idea to ensure yourself that the connection.id is unique. > That means, before you add a new profile, check the existing names in > `nmcli connection` output and choose a different name. > > > best, > Thomas >
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