Entschuldige meine ungenaue Beschreibung und danke für den Verweis auf das Forum. Hier nun nach dem dortigen Artikel jede Menge Infos. Hoffe das hilft weiter.
Im Anhang der Auszug aus dem Log.
Danke!
uname -a
Linux xxx-ThinkPad-T440s 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
lspci -nnk | grep -i net -A2
00:19.0 Ethernet controller [0200]: Intel Corporation Ethernet Connection I218-LM [8086:155a] (rev 04)
Subsystem: Lenovo ThinkPad X240 [17aa:2214]
Kernel driver in use: e1000e
--
03:00.0 Network controller [0280]: Intel Corporation Wireless 7260 [8086:08b2] (rev 83)
Subsystem: Intel Corporation Dual Band Wireless-AC 7260 [8086:c270]
Kernel driver in use: iwlwifi
cat /etc/network/interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
xxx@xxx-ThinkPad-T440s:~$ 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: enp0s25: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP mode DEFAULT group default qlen 1000
link/ether 62:16:20:26:04:e4 brd ff:ff:ff:ff:ff:ff
3: wlp3s0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN mode DORMANT group default qlen 1000
link/ether 28:b2:bd:ce:09:7d brd ff:ff:ff:ff:ff:ff
xxx@xxx-ThinkPad-T440s:~$ 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
2: enp0s25: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
inet 192.168.178.166/24 brd 192.168.178.255 scope global dynamic noprefixroute enp0s25
valid_lft 863777sec preferred_lft 863777sec
xxx@xxx-ThinkPad-T440s:~$ ip -4 route
default via 192.168.178.1 dev enp0s25 proto dhcp metric 100
169.254.0.0/16 dev enp0s25 scope link metric 1000
192.168.178.0/24 dev enp0s25 proto kernel scope link src 192.168.178.166 metric 100
xxx@xxx-ThinkPad-T440s:~$ ip -4 neigh
192.168.178.28 dev enp0s25 lladdr 54:13:79:27:9b:88 STALE
192.168.178.1 dev enp0s25 lladdr cc:ce:1e:38:3c:2c REACHABLE
ThinkPad-T440s:~$ iwconfig
lo no wireless extensions.
enp0s25 no wireless extensions.
wlp3s0 no wireless extensions.
ThinkPad-T440s:~$ 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
ThinkPad-T440s:~$ nmcli general ; nmcli device ; nmcli connection
STATE CONNECTIVITY WIFI-HW WIFI WWAN-HW WWAN
verbunden vollständig aktiviert aktiviert aktiviert aktiviert
DEVICE TYPE STATE CONNECTION
enp0s25 ethernet verbunden Kabelgebundene Verbindung 1
wlp3s0 wifi nicht verbunden --
lo loopback nicht verwaltet --
NAME UUID TYPE DEVICE
Kabelgebundene Verbindung 1 6a33bb5f-01a1-3d80-a00a-7b464c5b80aa ethernet enp0s25
FRITZ!Box 7490 71a6c919-0211-4224-a63c-899ced2036b7 wifi --
ThinkPad-T440s:~$ rfkill list
1: tpacpi_bluetooth_sw: Bluetooth
Soft blocked: yes
Hard blocked: no
2: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
ThinkPad-T440s:~$ lsmod
Module Size Used by
ccm 20480 0
bnep 24576 2
nls_iso8859_1 16384 1
intel_rapl_msr 20480 0
mei_hdcp 24576 0
intel_rapl_common 24576 1 intel_rapl_msr
x86_pkg_temp_thermal 20480 0
intel_powerclamp 20480 0
iwlmvm 430080 0
coretemp 20480 0
mac80211 770048 1 iwlmvm
uvcvideo 94208 0
snd_hda_codec_realtek 118784 1
iwlwifi 380928 1 iwlmvm
videobuf2_vmalloc 20480 1 uvcvideo
kvm 651264 0
snd_hda_codec_hdmi 57344 1
snd_hda_codec_generic 81920 1 snd_hda_codec_realtek
videobuf2_memops 20480 1 videobuf2_vmalloc
irqbypass 16384 1 kvm
intel_cstate 20480 0
snd_hda_intel 49152 4
intel_rapl_perf 20480 0
videobuf2_v4l2 24576 1 uvcvideo
snd_hda_codec 131072 4 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_realtek
input_leds 16384 0
joydev 28672 0
serio_raw 20480 0
snd_hda_core 90112 5 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek
snd_hwdep 20480 1 snd_hda_codec
cfg80211 671744 3 iwlmvm,iwlwifi,mac80211
wmi_bmof 16384 0
videobuf2_common 49152 2 videobuf2_v4l2,uvcvideo
snd_pcm 102400 4 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_core
thinkpad_acpi 98304 0
videodev 208896 3 videobuf2_v4l2,uvcvideo,videobuf2_common
btusb 57344 0
btrtl 20480 1 btusb
nvram 16384 1 thinkpad_acpi
compat 16384 4 iwlmvm,iwlwifi,mac80211,cfg80211
ledtrig_audio 16384 3 snd_hda_codec_generic,snd_hda_codec_realtek,thinkpad_acpi
btbcm 16384 1 btusb
mc 53248 4 videodev,videobuf2_v4l2,uvcvideo,videobuf2_common
rtsx_pci_ms 24576 0
btintel 24576 1 btusb
snd_seq_midi 20480 0
memstick 20480 1 rtsx_pci_ms
bluetooth 573440 11 btrtl,btintel,btbcm,bnep,btusb
snd_seq_midi_event 16384 1 snd_seq_midi
ecdh_generic 16384 1 bluetooth
snd_rawmidi 36864 1 snd_seq_midi
ecc 32768 1 ecdh_generic
snd_seq 69632 2 snd_seq_midi,snd_seq_midi_event
snd_seq_device 16384 3 snd_seq,snd_seq_midi,snd_rawmidi
snd_timer 36864 2 snd_seq,snd_pcm
mei_me 40960 1
snd 86016 20 snd_hda_codec_generic,snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek,snd_timer,thinkpad_acpi,snd_pcm,snd_rawmidi
mei 102400 3 mei_hdcp,mei_me
soundcore 16384 1 snd
lpc_ich 24576 0
mac_hid 16384 0
sch_fq_codel 20480 2
parport_pc 36864 0
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
algif_skcipher 16384 0
af_alg 24576 1 algif_skcipher
dm_crypt 45056 1
hid_generic 16384 0
usbhid 53248 0
hid 131072 2 usbhid,hid_generic
crct10dif_pclmul 16384 1
crc32_pclmul 16384 0
ghash_clmulni_intel 16384 0
aesni_intel 372736 2
rtsx_pci_sdmmc 28672 0
aes_x86_64 20480 1 aesni_intel
crypto_simd 16384 1 aesni_intel
cryptd 24576 3 crypto_simd,ghash_clmulni_intel
i915 1937408 30
glue_helper 16384 1 aesni_intel
i2c_algo_bit 16384 1 i915
drm_kms_helper 180224 1 i915
psmouse 151552 0
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
fb_sys_fops 16384 1 drm_kms_helper
ahci 40960 3
e1000e 249856 0
drm 483328 15 drm_kms_helper,i915
libahci 32768 1 ahci
rtsx_pci 69632 2 rtsx_pci_sdmmc,rtsx_pci_ms
wmi 32768 1 wmi_bmof
video 49152 2 thinkpad_acpi,i915
-ThinkPad-T440s:~$ iwlist chan
lo no frequency information.
enp0s25 no frequency information.
wlp3s0 no frequency information.
ThinkPad-T440s:~$ sudo iwlist scan
[sudo] Passwort für aaron:
lo Interface doesn't support scanning.
enp0s25 Interface doesn't support scanning.
wlp3s0 Interface doesn't support scanning.