On Mon, Jul 10, 2017 at 01:44:00PM +0200, Maximilian Althaus wrote: > Okay, I understand! But I have the problem that the Debian 9 VM can not
No, you don't. You already got told about ip -r. "route" and "ifconfig" are not installed per default anymore. > get an internet connection. This is because the network configuration > (/etc/network/interfaces) fail, because Debian 9.0 could not found a > device named eth0, but with Debian 8.8 with the same configuration I have https://www.debian.org/releases/stable/amd64/release-notes/ch-whats-new.de.html#new-interface-names eth0 will be kept on upgrades, but new installs get new interface names (that is good, that removed unpredictability if you add a new network card.) > no problem and I have an internet connection. On top of this on the Debian > 9 VM it the networking service says that there is no route commend. What > can I do ????? Do I need an other network configuration > (/etc/network/interfaces) ???????? as already said: if you want route, you need net-tools installed. otherwise (afaicr) ip r(oute). https://www.debian.org/releases/stable/amd64/release-notes/ch-information.de.html#iproute2 (I asume you're .de, if not, sorry and then read the english release notes.) Regards, Rene