[PLUG] Fast way to add nic card to Ubuntu Server

[Russell Senior]

Also, this had some background information, including what appeared to
be how to revert to old behavior:

  https://netplan.io/faq/

On Wed, Jul 7, 2021 at 5:50 PM Russell Senior <russell at personaltelco.net> wrote:
>
> Never heard of netplan. Went looking on a 20.04 desktop and found this:
>
> russell at vanhorn:~$ cat /etc/netplan/01-network-manager-all.yaml
> # Let NetworkManager manage all devices on this system
> network:
>   version: 2
>   renderer: NetworkManager
>
> On Wed, Jul 7, 2021 at 5:42 PM Michael Barnes <barnmichael at gmail.com> wrote:
> >
> > On Wed, Jul 7, 2021 at 5:03 PM Chuck Hast <wchast at gmail.com> wrote:
> >
> > > No they were there the dmesg command brought them to the
> > > surface and the rest was just adding them to the yaml file for
> > > netplan, run netplan try and once happy netplan apply and THEN
> > > I could see them in all of the usual tools.
> > >
> > > The other thing I have found out about the stupid subiquiti
> > > installer is if there is no network attached to the card or port
> > > it will drop it and you will not see it, I had to attach live net-
> > > works to the ports I wanted registered, oh it would find them
> > > in the install then drop them. Also if you had a port that did
> > > not go to a live network (I tried to use my camera network
> > > which is an isolated island) again it would find then drop or
> > > worse it would find then make the camera network the public
> > > port!!! I  would have to go in and change the metric on the
> > > ports to get the right one going out. I am going to start looking
> > > at some other server solution as it seems that Ubuntu is brain
> > > dead...  I do not know why they have to make setting up the
> > > network part such a mess. Seems that one should not have
> > > to go to such lengths to install a stinking nic card.
> > >
> > > The interesting thing is the desktop will do all of that stuff
> > > automagically, I stuffed the fibre card in a desktop machine
> > > and it found it as soon as it booted up, showed two fibre
> > > ports same rev level (20.04.x) just desktop vice server...
> > >
> > > Lspci showed the presence of the card but it did not give
> > > the port names which were enp30f0 and enp30f1....
> > >
> > > Such is life.... But there are more fun things to do then
> > > have to clean up something that should in my view be a
> > > wee bit more obvious.
> > >
> > > This is not the first time I have run into this but it sure is getting
> > > old.
> > >
> > >
> > > On Wed, Jul 7, 2021 at 6:20 PM Russell Senior <russell at personaltelco.net>
> > > wrote:
> > >
> > > > I have never installed Ubuntu Server, but I find that surprising. By
> > > > default these days, interfaces will have "predictable" names, which I
> > > > think is kind of a misnomer, but afaik should show up in the output of
> > > > things like "ip a" or "ifconfig -a". It might be that your NIC needs
> > > > firmware to operate, and that's what prevents it showing up. What NIC
> > > > is it?  What does lspci say?
> > > >
> > > > On Wed, Jul 7, 2021 at 3:08 PM Chuck Hast <wchast at gmail.com> wrote:
> > > > >
> > > > > I had to add a nic card to an Ubuntu server. Appears that once the
> > > > > server has been setup it will not recognize a new card. You have to
> > > > > go in and find the  port names, but in my case ifconfig, ip... etc only
> > > > > showed me the functioning cards nothing else, I was finally able to
> > > > > find them using dmesg | grep -i network, to see them. After that
> > > > > I then had to  go in and modify the netplan yaml file and run netplan
> > > > > try to see if they were seen, indeed they were.
> > > > >
> > > > > Seems there should be a way to run the installer that did all of that
> > > > > magic initially to short circuit the time it takes to do all of that
> > > > just to
> > > > > find out what the new port(s) are. In this case it was a fibre card
> > > that
> > > > > replaced the copper paths to/from the Zoneminder server. Subiquiti
> > > > > appears to be what does this, so why is there not a way to at least
> > > > > run the network part to discover a card and get on with getting it
> > > > > online avoiding having to putz with netplan and all of that. Anyone
> > > > > have any ideas or is that just the way it is?
> > > > >
> > > > > I tried all of the usual discovery tools to try to find those two ports
> > > > but
> > > > > not one of them displayed them, only the dmesg command above
> > > > > worked.
> > > > >
> > > > > --
> > > > >
> > > > > Chuck Hast  -- KP4DJT --
> > > > > I can do all things through Christ which strengtheneth me.
> > > > > Ph 4:13 KJV
> > > > > Todo lo puedo en Cristo que me fortalece.
> > > > > Fil 4:13 RVR1960
> > > >
> > >
> > >
> > > --
> > >
> > > Chuck Hast  -- KP4DJT --
> > > I can do all things through Christ which strengtheneth me.
> > > Ph 4:13 KJV
> > > Todo lo puedo en Cristo que me fortalece.
> > > Fil 4:13 RVR1960
> > >
> >
> > Went absolutely nuts with the last two computers I built trying to use both
> > on-board NICs as well as PCI card NICs. Couldn't get Linux to recognize
> > them or do anything with them. Weird thing was, when I plugged the Ethernet
> > cable in, they lit up appropriately and the router even showed assigning
> > them an IP address. But nothing in the computer, dmesg showed nothing, ip a
> > showed nothing, no indication anywhere that Linux recognized or utilized
> > the interfaces. Bought some cheap USB=Ethernet dongles from Amazon, plugged
> > them in and bingo! full network connection. No twiddling, fiddling,
> > drivers, or anything honest to goodness plug and play.
> >
> > Try it, you'll like it.
> >
> > Michael