Danke für die Antworten. Hier die Ausgaben meiner Abfragen.
uname -a
Linux LaptopFranz 4.18.0-15-generic #16-Ubuntu SMP Thu Feb 7 10:56:39 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
lspci -nnk | grep -i net -A2
01:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL810xE PCI Express Fast Ethernet controller [10ec:8136] (rev 08)
Subsystem: Lenovo RTL810xE PCI Express Fast Ethernet controller [17aa:380a]
Kernel driver in use: r8169
Kernel modules: r8169
02:00.0 Network controller [0280]: Qualcomm Atheros QCA9565 / AR9565 Wireless Network Adapter [168c:0036] (rev 01)
Subsystem: Lenovo QCA9565 / AR9565 Wireless Network Adapter [17aa:4026]
Kernel driver in use: ath9k
Kernel modules: ath9k
cat /etc/network/interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
iwconfig
wlp2s0 IEEE 802.11 ESSID:"ef10_EXT"
Mode:Managed Frequency:2.462 GHz Access Point: 7A:44:01:95:6E:7F
Bit Rate=65 Mb/s Tx-Power=15 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=48/70 Signal level=-62 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:124 Missed beacon:0
enp1s0 no wireless extensions.
lo no wireless extensions.
nmcli general ; nmcli device ; nmcli connection
STATE CONNECTIVITY WIFI-HW WIFI WWAN-HW WWAN
verbunden vollständig aktiviert aktiviert aktiviert aktiviert
DEVICE TYPE STATE CONNECTION
wlp2s0 wifi verbunden ef10_EXT
0C:98:38:5C:BC:46 bt nicht verbunden --
enp1s0 ethernet nicht verfügbar --
lo loopback nicht verwaltet --
NAME UUID TYPE DE
ef10_EXT 60467083-71e5-4259-ad72-daf68ffa4d43 wifi wl
Kabelgebundene Verbindung 1 5cbebd7b-e49f-3970-bcc0-44d90ea9f589 ethernet --
Mi A1-Netzwerk 34cd82ab-ae05-48be-88a1-e45eb9c4c64c bluetooth --
/bin/bash: -c: Zeile 0: Syntaxfehler beim unerwarteten Wort »)«
/bin/bash: -c: Zeile 0: `lessecho -p0x22 -d0x22 -e\\ -n0x3b -n0x20 -n0x2a -n0x3f -n0x9 -n0xa -n0x27 -n0x22 -n0x28 -n0x29 -n0x3c -n0x3e -n0x5b -n0x5d -n0x7c -n0x26 -n0x5e -n0x60 -n0x23 -n0x5c -n0x24 -n0x25 -n0x3d -n0x7e -- how default | grep -o '[0-9]*[.][.0-9]*' )rfkill list '
lsmod
Module Size Used by
rfcomm 77824 16
ccm 20480 3
cmac 16384 1
bnep 20480 2
intel_rapl 20480 0
x86_pkg_temp_thermal 16384 0
intel_powerclamp 16384 0
coretemp 16384 0
kvm 622592 0
snd_hda_codec_conexant 24576 1
irqbypass 16384 1 kvm
crct10dif_pclmul 16384 0
crc32_pclmul 16384 0
ghash_clmulni_intel 16384 0
arc4 16384 2
pcbc 16384 0
snd_hda_codec_generic 73728 1 snd_hda_codec_conexant
snd_hda_codec_hdmi 49152 1
aesni_intel 200704 4
ath9k 151552 0
snd_hda_intel 40960 4
aes_x86_64 20480 1 aesni_intel
ath9k_common 36864 1 ath9k
snd_hda_codec 126976 4 snd_hda_codec_generic,snd_hda_codec_conexant,snd_hda_codec_hdmi,snd_hda_intel
snd_hda_core 81920 5 snd_hda_codec_generic,snd_hda_codec_conexant,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec
snd_hwdep 20480 1 snd_hda_codec
crypto_simd 16384 1 aesni_intel
cryptd 24576 3 crypto_simd,ghash_clmulni_intel,aesni_intel
ath9k_hw 475136 2 ath9k_common,ath9k
ath 36864 3 ath9k_common,ath9k,ath9k_hw
snd_pcm 98304 4 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_core
glue_helper 16384 1 aesni_intel
intel_cstate 20480 0
snd_seq_midi 16384 0
snd_seq_midi_event 16384 1 snd_seq_midi
mac80211 794624 1 ath9k
intel_rapl_perf 16384 0
uvcvideo 98304 0
ath3k 20480 0
btusb 45056 0
btrtl 16384 1 btusb
btbcm 16384 1 btusb
btintel 20480 1 btusb
snd_rawmidi 32768 1 snd_seq_midi
bluetooth 548864 42 btrtl,btintel,btbcm,bnep,ath3k,btusb,rfcomm
videobuf2_vmalloc 16384 1 uvcvideo
videobuf2_memops 16384 1 videobuf2_vmalloc
videobuf2_v4l2 24576 1 uvcvideo
videobuf2_common 45056 2 videobuf2_v4l2,uvcvideo
videodev 188416 3 videobuf2_v4l2,uvcvideo,videobuf2_common
rtsx_usb_ms 20480 0
media 40960 2 videodev,uvcvideo
cfg80211 663552 4 ath9k_common,ath9k,ath,mac80211
snd_seq 65536 2 snd_seq_midi,snd_seq_midi_event
snd_seq_device 16384 3 snd_seq,snd_seq_midi,snd_rawmidi
snd_timer 32768 2 snd_seq,snd_pcm
joydev 20480 0
ecdh_generic 24576 2 bluetooth
input_leds 16384 0
memstick 16384 1 rtsx_usb_ms
ideapad_laptop 32768 0
sparse_keymap 16384 1 ideapad_laptop
mei_me 40960 0
wmi 24576 1 ideapad_laptop
mac_hid 16384 0
mei 98304 1 mei_me
snd 81920 19 snd_hda_codec_generic,snd_seq,snd_hda_codec_conexant,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_timer,snd_pcm,snd_rawmidi
soundcore 16384 1 snd
serio_raw 16384 0
sch_fq_codel 20480 2
parport_pc 36864 0
ppdev 20480 0
lp 20480 0
parport 49152 3 parport_pc,lp,ppdev
ip_tables 24576 0
x_tables 40960 1 ip_tables
autofs4 40960 2
hid_generic 16384 0
rtsx_usb_sdmmc 28672 0
usbhid 49152 0
hid 126976 2 usbhid,hid_generic
rtsx_usb 20480 2 rtsx_usb_sdmmc,rtsx_usb_ms
i915 1740800 8
i2c_algo_bit 16384 1 i915
drm_kms_helper 172032 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
i2c_i801 28672 0
ahci 40960 2
drm 458752 6 drm_kms_helper,i915
r8169 86016 0
lpc_ich 24576 0
libahci 32768 1 ahci
mii 16384 1 r8169
video 45056 2 ideapad_laptop,i915
iwlist chan
wlp2s0 13 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
Current Frequency:2.462 GHz (Channel 11)
enp1s0 no frequency information.
lo no frequency information.