Ja tut mir leid...
torsten@QOSMIO:~$ uname -a
Linux QOSMIO 5.3.0-26-generic #28~18.04.1-Ubuntu SMP Wed Dec 18 16:40:14 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
torsten@QOSMIO:~$ lspci -nnk | grep -i net -A2
07:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 0c)
Subsystem: Toshiba America Info Systems RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [1179:ff1e]
Kernel driver in use: r8169
Kernel modules: r8169
08:00.0 Network controller [0280]: Intel Corporation Wireless 3160 [8086:08b3] (rev cb)
Subsystem: Intel Corporation Dual Band Wireless AC 3160 [8086:8170]
Kernel driver in use: iwlwifi
torsten@QOSMIO:~$ cat /etc/network/interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
torsten@QOSMIO:~$ iwconfig
wlp8s0 no wireless extensions.
enp7s0 no wireless extensions.
lo no wireless extensions.
torsten@QOSMIO:~$ nmcli general ; nmcli device ; nmcli connection
STATE CONNECTIVITY WIFI-HW WIFI WWAN-HW WWAN
verbunden vollständig aktiviert aktiviert aktiviert aktiviert
DEVICE TYPE STATE CONNECTION
enp7s0 ethernet verbunden Kabelgebundene Verbindung 1
wlp8s0 wifi nicht verbunden --
lo loopback nicht verwaltet --
NAME UUID TYPE DEVICE
Kabelgebundene Verbindung 1 86c15ff3-85ec-33ba-84c2-07150f9bd7f6 ethernet enp7s0
Airbox-2C04 ccc7c77b-cbd5-44d9-80b8-c39dbb0eb183 wifi --
FDich 401be9c8-a8fb-4091-a577-27f7e72ce7c5 wifi --
Vodafone Free WiFi 3f70c2ae-05e5-437e-8e90-e0b391883ec5 wifi --