On Sat, 12 Dec 2020 23:11:52 +0100
Antony Stone <Antony.Stone@???> wrote:
> On Saturday 12 December 2020 at 14:15:53, Antony Stone wrote:
>
> > Historically, I've been used to udev
> > and /etc/udev/rules.d/70-persistent- net.rules doing this, where I
> > can specify the name I want for each interface according to its MAC
> > address.
>
> > 1. how can I get 70-persistent-net.rules to carry on working under
> > Beowulf?
Hi,
enable predictable names (remove net.ifnames=0 or set it to 1
and update grub)
and use 70-persistent-net.rules with old names (maybe also
update initramfs if rules files are copied there)
Ciao,
Tito
> > 2. what's the "correct" way to get my interfaces named the way I
> > want, according to their MAC addresses, under Beowulf?
>
> So, I have found a workaround:
>
> 1. Create /etc/udev/rules.d/70-persistent-net.rules containing a set
> of rules such as:
>
> SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*",
> ATTR{address}=="78:ac:c0:f7:89:f7", ATTR{dev_id}=="0x0",
> ATTR{type}=="1", KERNEL=="eth*", NAME="xeth0"
>
> SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*",
> ATTR{address}=="00:e0:4c:80:21:6b", ATTR{dev_id}=="0x0",
> ATTR{type}=="1", KERNEL=="eth*", NAME="xeth1"
>
> SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*",
> ATTR{address}=="00:e0:4c:80:21:6c", ATTR{dev_id}=="0x0",
> ATTR{type}=="1", KERNEL=="eth*", NAME="xeth2"
>
> The names are in the order I want them, but prefixed with "x" so they
> don't conflict with what the kernel decided to call them as it booted.
>
> 2. Add some sections to /etc/network/interfaces:
>
> auto xeth0 xeth1 xeth2
>
> iface xeth0 inet manual
> up ip link set xeth0 down
> up ip link set xeth0 name eth0
>
> iface xeth1 inet manual
> up ip link set xeth1 down
> up ip link set xeth1 name eth1
>
> iface xeth2 inet manual
> up ip link set xeth2 down
> up ip link set xeth2 name eth2
>
> That re-renames the (already pseudo-renamed) interfaces to what I
> really want.
>
> I can then follow that with the standard:
>
> auto eth0
> iface eth0 inet static
> address 192.168.36.9
> netmask 255.255.255.0
> gateway 192.168.36.5
>
> etc.
>
>
> I would still *really like* to know:
>
> 1. how can I get 70-persistent-net.rules to carry on working as it
> used to, under Beowulf? (I never had to do this sort of workaround
> in Jessie or before.)
>
> 2. what's the "correct" way to get my interfaces named the way I want,
> according to their MAC addresses, under Beowulf, and therefore also
> Chimaera?
>
>
> Thanks,
>
>
> Antony.
>
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Re: [DNG] Ethernet names revisited …
