On Fri, May 10, 2019 at 11:53:45PM +0900, hoxp18 wrote: > I started building my isolated Debian Edu Buster env, > then I got a trouble around gateway. > (I have to start with gateway by personal issue) > > It's about NIC name rules. ethN -> enpxxx
> > > I tried Debian Edu Buster 2019-05-06 netinst, > > > Minimal Profile install on my amd64 dual NIC machine > > > to make it my gateway. > > > > > > eth0 and eth1 is preconfigured in /etc/network/interfaces, > > > but they fail when "service networking start". > > > > > > /sys/class/net shows the NICs as "enp0s31f6" and "enp1s0". > > > > > > I replaced eth0 and eth1 by them. Then it works. Please check /etc/default/grub, for the "Minimal" profile it should be: GRUB_CMDLINE_LINUX_DEFAULT="net.ifnames=0 quiet" If it isn't the case, adjust it and run 'update-grub' and reboot. This makes sure that eth0 and eth1 are kept. Wolfgang
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