Ok, zum deinstallieren habe ich nichts gefunden, da ja scheinbar auch nichts installiert wurde.
Dann habe ich eben ein Update durchlaufen lassen, da mir ein neuer Kernel angeboten wurde. Ich hatte die Hoffnung, das es dann vielleicht geht, ist aber nicht.
Daher nun die gewünschten Terminal-Ausgaben:
eltern@colin-PC:/home/colin$ usb-devices | awk -v RS="\n\n" '/2357/'
T: Bus=01 Lev=01 Prnt=01 Port=03 Cnt=02 Dev#= 5 Spd=480 MxCh= 0
D: Ver= 2.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=2357 ProdID=0109 Rev=02.00
S: Manufacturer=Realtek
S: Product=802.11n NIC
S: SerialNumber=00e04c000001
C: #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=500mA
I: If#= 0 Alt= 0 #EPs= 5 Cls=ff(vend.) Sub=ff Prot=ff Driver=rtl8xxxu
eltern@colin-PC:/home/colin$ lsmod | grep -e 80211 -e rtl
rtl8xxxu 126976 0
mac80211 847872 1 rtl8xxxu
cfg80211 704512 1 mac80211
libarc4 16384 1 mac80211
eltern@colin-PC:/home/colin$ ip -br link
lo UNKNOWN 00:00:00:00:00:00 <LOOPBACK,UP,LOWER_UP>
enp2s0 DOWN 00:1f:d0:d5:6d:54 <NO-CARRIER,BROADCAST,MULTICAST,UP>
wlxd037457305f1 DOWN d0:37:45:73:05:f1 <NO-CARRIER,BROADCAST,MULTICAST,UP>
eltern@colin-PC:/home/colin$ sudo iwconfig
lo no wireless extensions.
enp2s0 no wireless extensions.
wlxd037457305f1 IEEE 802.11 ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=20 dBm
Retry short limit:7 RTS thr=2347 B Fragment thr:off
Encryption key:off
Power Management:off
****************
eltern@colin-PC:/home/colin$ uname -a
Linux colin-PC 5.3.0-46-generic #38~18.04.1-Ubuntu SMP Tue Mar 31 04:17:56 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
eltern@colin-PC:/home/colin$ lsusb
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 005: ID 2357:0109
Bus 001 Device 003: ID 041e:4097 Creative Technology, Ltd
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 003: ID 046d:c31c Logitech, Inc. Keyboard K120
Bus 003 Device 002: ID 046d:c077 Logitech, Inc. M105 Optical Mouse
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
eltern@colin-PC:/home/colin$ cat /etc/network/interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
eltern@colin-PC:/home/colin$ ip link
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: enp2s0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel state DOWN mode DEFAULT group default qlen 1000
link/ether 00:1f:d0:d5:6d:54 brd ff:ff:ff:ff:ff:ff
3: wlxd037457305f1: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN mode DORMANT group default qlen 1000
link/ether d0:37:45:73:05:f1 brd ff:ff:ff:ff:ff:ff
eltern@colin-PC:/home/colin$ ip -4 addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
eltern@colin-PC:/home/colin$ ip -4 route
eltern@colin-PC:/home/colin$ ip -4 neigh
eltern@colin-PC:/home/colin$ iwconfig
lo no wireless extensions.
enp2s0 no wireless extensions.
wlxd037457305f1 IEEE 802.11 ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=20 dBm
Retry short limit:7 RTS thr=2347 B Fragment thr:off
Power Management:off
eltern@colin-PC:/home/colin$ grep renderer /{lib,etc,run}/netplan/*yaml
grep: /lib/netplan/*yaml: Datei oder Verzeichnis nicht gefunden
/etc/netplan/01-network-manager-all.yaml: renderer: NetworkManager
grep: /run/netplan/*yaml: Datei oder Verzeichnis nicht gefunden
eltern@colin-PC:/home/colin$ nmcli general ; nmcli device ; nmcli connection
STATE CONNECTIVITY WIFI-HW WIFI WWAN-HW WWAN
nicht verbunden kein aktiviert aktiviert aktiviert aktiviert
DEVICE TYPE STATE CONNECTION
wlxd037457305f1 wifi nicht verbunden --
enp2s0 ethernet nicht verfügbar --
lo loopback nicht verwaltet --
NAME UUID TYPE DEV
Kabelgebundene Verbindung 1 08ebf146-cee1-3b91-8441-d9c6afe3008f ethernet --
lines 1-2/2 (END)
NAME UUID TYPE DEVICE
Kabelgebundene Verbindung 1 08ebf146-cee1-3b91-8441-d9c6afe3008f ethernet --
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
lines 1-2
eltern@colin-PC:/home/colin$ rfkill list
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
eltern@colin-PC:/home/colin$ lsmod
Module Size Used by
rtl8xxxu 126976 0
radeon 1454080 3
edac_mce_amd 32768 0
uvcvideo 94208 0
kvm_amd 94208 0
mac80211 847872 1 rtl8xxxu
ccp 90112 1 kvm_amd
snd_hda_codec_realtek 118784 1
ttm 102400 1 radeon
videobuf2_vmalloc 20480 1 uvcvideo
snd_hda_codec_generic 81920 1 snd_hda_codec_realtek
kvm 655360 1 kvm_amd
videobuf2_memops 20480 1 videobuf2_vmalloc
ledtrig_audio 16384 2 snd_hda_codec_generic,snd_hda_codec_realtek
snd_hda_codec_hdmi 57344 1
videobuf2_v4l2 24576 1 uvcvideo
drm_kms_helper 180224 1 radeon
snd_usb_audio 241664 1
irqbypass 16384 1 kvm
videobuf2_common 49152 2 videobuf2_v4l2,uvcvideo
snd_hda_intel 53248 5
videodev 208896 3 videobuf2_v4l2,uvcvideo,videobuf2_common
drm 491520 5 drm_kms_helper,radeon,ttm
cfg80211 704512 1 mac80211
snd_intel_nhlt 20480 1 snd_hda_intel
snd_usbmidi_lib 36864 1 snd_usb_audio
snd_hda_codec 131072 4 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_realtek
snd_rawmidi 36864 1 snd_usbmidi_lib
snd_hda_core 90112 5 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek
snd_seq_device 16384 1 snd_rawmidi
i2c_algo_bit 16384 1 radeon
libarc4 16384 1 mac80211
joydev 28672 0
mc 53248 5 videodev,snd_usb_audio,videobuf2_v4l2,uvcvideo,videobuf2_common
snd_hwdep 20480 2 snd_usb_audio,snd_hda_codec
input_leds 16384 0
snd_pcm 102400 5 snd_hda_codec_hdmi,snd_hda_intel,snd_usb_audio,snd_hda_codec,snd_hda_core
snd_timer 36864 1 snd_pcm
fb_sys_fops 16384 1 drm_kms_helper
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
snd 86016 24 snd_hda_codec_generic,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_usb_audio,snd_usbmidi_lib,snd_hda_codec,snd_hda_codec_realtek,snd_timer,snd_pcm,snd_rawmidi
wmi_bmof 16384 0
serio_raw 20480 0
k10temp 16384 0
sysimgblt 16384 1 drm_kms_helper
soundcore 16384 1 snd
mac_hid 16384 0
binfmt_misc 24576 1
sch_fq_codel 20480 6
parport_pc 40960 1
ppdev 24576 0
lp 20480 0
parport 53248 3 parport_pc,lp,ppdev
ip_tables 32768 0
x_tables 40960 1 ip_tables
autofs4 45056 2
hid_generic 16384 0
r8169 81920 0
firewire_ohci 40960 0
pata_acpi 16384 0
realtek 20480 1
ahci 40960 1
usbhid 53248 0
libahci 32768 1 ahci
firewire_core 65536 1 firewire_ohci
hid 126976 2 usbhid,hid_generic
i2c_piix4 28672 0
crc_itu_t 16384 1 firewire_core
pata_atiixp 16384 0
wmi 32768 1 wmi_bmof
eltern@colin-PC:/home/colin$ iwlist chan
lo no frequency information.
enp2s0 no frequency information.
wlxd037457305f1 14 channels in total; available frequencies :
Channel 01 : 2.412 GHz
Channel 02 : 2.417 GHz
Channel 03 : 2.422 GHz
Channel 04 : 2.427 GHz
Channel 05 : 2.432 GHz
Channel 06 : 2.437 GHz
Channel 07 : 2.442 GHz
Channel 08 : 2.447 GHz
Channel 09 : 2.452 GHz
Channel 10 : 2.457 GHz
Channel 11 : 2.462 GHz
Channel 12 : 2.467 GHz
Channel 13 : 2.472 GHz
Channel 14 : 2.484 GHz
eltern@colin-PC:/home/colin$ sudo iwlist scan
[sudo] Passwort für eltern:
lo Interface doesn't support scanning.
enp2s0 Interface doesn't support scanning.
wlxd037457305f1 No scan results
Die beides Log-Dateien sind recht groß, ich versuche mal sie hier als Textdatei anzuhängen.