ben@TollaPc:~$ uname -a
Linux TollaPc 5.0.0-17-generic #18-Ubuntu SMP Tue Jun 4 15:34:08 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
ben@TollaPc:~$ lspci -nnk | grep -i net -A2
01:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 15)
Subsystem: Hewlett-Packard Company RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [103c:849a]
Kernel driver in use: r8169
Kernel modules: r8169
02:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8821CE 802.11ac PCIe Wireless Network Adapter [10ec:c821]
Subsystem: Hewlett-Packard Company RTL8821CE 802.11ac PCIe Wireless Network Adapter [103c:831a]
Kernel driver in use: rtl8821ce
Kernel modules: 8821ce
ben@TollaPc:~$ lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 005: ID 0bda:b00a Realtek Semiconductor Corp.
Bus 001 Device 004: ID 04ca:707d Lite-On Technology Corp.
Bus 001 Device 003: ID 046d:c083 Logitech, Inc. G403 Prodigy Gaming Mouse
Bus 001 Device 002: ID 24ae:2000
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
ben@TollaPc:~$ cat /etc/network/interfaces
cat: /etc/network/interfaces: No such file or directory
ben@TollaPc:~$ 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: enp1s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP mode DEFAULT group default qlen 1000
link/ether 80:e8:2c:54:ac:5f brd ff:ff:ff:ff:ff:ff
3: wlp2s0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN mode DORMANT group default qlen 1000
link/ether ec:5c:68:35:dd:21 brd ff:ff:ff:ff:ff:ff
ben@TollaPc:~$ 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: enp1s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
inet 192.168.2.126/24 brd 192.168.2.255 scope global dynamic noprefixroute enp1s0
valid_lft 1814039sec preferred_lft 1814039sec
ben@TollaPc:~$ ip -4 route
default via 192.168.2.1 dev enp1s0 proto dhcp metric 100
192.168.2.0/24 dev enp1s0 proto kernel scope link src 192.168.2.126 metric 100
ben@TollaPc:~$ ip -4 neigh
192.168.2.1 dev enp1s0 lladdr 48:db:50:4e:0c:cf STALE
ben@TollaPc:~$ iwconfig
lo no wireless extensions.
enp1s0 no wireless extensions.
wlp2s0 unassociated Nickname:"<WIFI@REALTEK>"
Mode:Managed Frequency=2.437 GHz Access Point: Not-Associated
Sensitivity:0/0
Retry:off RTS thr:off Fragment thr:off
Power Management:off
Link Quality=0/100 Signal level=0 dBm Noise level=0 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
ben@TollaPc:~$ nmcli general ; nmcli device ; nmcli connection
STATE CONNECTIVITY WIFI-HW WIFI WWAN-HW WWAN
connected full enabled enabled enabled enabled
DEVICE TYPE STATE CONNECTION
enp1s0 ethernet connected Wired connection 1
wlp2s0 wifi disconnected --
p2p-dev-wlp2s0 wifi-p2p disconnected --
lo loopback unmanaged --
NAME UUID TYPE DEVICE
Wired connection 1 0a1911e6-6823-3eba-8f55-030b247d2188 ethernet enp1s0
Doppelkopp a526c62b-970a-412d-a513-44287d116d7c wifi --
Geiler Hotspot 5226779b-487a-46ae-b81f-1b43449798bf wifi --
Telekom_FON c2054c17-c5d2-42b4-8632-011365096a66 wifi --
ben@TollaPc:~$ rfkill list
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
ben@TollaPc:~$ lsmod
Module Size Used by
rfcomm 77824 4
cmac 16384 1
bnep 24576 2
nls_iso8859_1 16384 1
snd_soc_skl 106496 0
snd_soc_hdac_hda 24576 1 snd_soc_skl
snd_hda_ext_core 28672 2 snd_soc_hdac_hda,snd_soc_skl
snd_soc_skl_ipc 65536 1 snd_soc_skl
snd_soc_sst_ipc 20480 1 snd_soc_skl_ipc
snd_soc_sst_dsp 36864 1 snd_soc_skl_ipc
intel_rapl 24576 0
snd_hda_codec_hdmi 53248 1
snd_soc_acpi_intel_match 28672 1 snd_soc_skl
snd_soc_acpi 16384 2 snd_soc_acpi_intel_match,snd_soc_skl
x86_pkg_temp_thermal 20480 0
intel_powerclamp 20480 0
coretemp 20480 0
snd_soc_core 233472 2 snd_soc_hdac_hda,snd_soc_skl
snd_hda_codec_realtek 114688 1
snd_hda_codec_generic 77824 1 snd_hda_codec_realtek
snd_compress 24576 1 snd_soc_core
ledtrig_audio 16384 2 snd_hda_codec_generic,snd_hda_codec_realtek
ac97_bus 16384 1 snd_soc_core
snd_pcm_dmaengine 16384 1 snd_soc_core
snd_hda_intel 40960 3
crct10dif_pclmul 16384 1
snd_hda_codec 131072 5 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_realtek,snd_soc_hdac_hda
crc32_pclmul 16384 0
snd_hda_core 86016 8 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_ext_core,snd_hda_codec,snd_hda_codec_realtek,snd_soc_hdac_hda,snd_soc_skl
ghash_clmulni_intel 16384 0
snd_hwdep 20480 1 snd_hda_codec
snd_pcm 102400 8 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_ext_core,snd_hda_codec,snd_soc_core,snd_soc_skl,snd_hda_core,snd_pcm_dmaengine
aesni_intel 372736 2
snd_seq_midi 20480 0
snd_seq_midi_event 16384 1 snd_seq_midi
aes_x86_64 20480 1 aesni_intel
crypto_simd 16384 1 aesni_intel
cryptd 24576 3 crypto_simd,ghash_clmulni_intel,aesni_intel
glue_helper 16384 1 aesni_intel
intel_cstate 20480 0
intel_rapl_perf 16384 0
hp_wmi 16384 0
sparse_keymap 16384 1 hp_wmi
wmi_bmof 16384 0
intel_wmi_thunderbolt 20480 0
input_leds 16384 0
snd_rawmidi 36864 1 snd_seq_midi
serio_raw 20480 0
uvcvideo 98304 0
8821ce 2068480 0
snd_seq 69632 2 snd_seq_midi,snd_seq_midi_event
videobuf2_vmalloc 20480 1 uvcvideo
btusb 49152 0
btrtl 20480 1 btusb
videobuf2_memops 20480 1 videobuf2_vmalloc
btbcm 16384 1 btusb
btintel 24576 1 btusb
joydev 24576 0
snd_seq_device 16384 3 snd_seq,snd_seq_midi,snd_rawmidi
videobuf2_v4l2 24576 1 uvcvideo
videobuf2_common 49152 2 videobuf2_v4l2,uvcvideo
bluetooth 557056 33 btrtl,btintel,btbcm,bnep,btusb,rfcomm
cfg80211 671744 1 8821ce
snd_timer 36864 2 snd_seq,snd_pcm
videodev 200704 3 videobuf2_v4l2,uvcvideo,videobuf2_common
media 53248 4 videodev,videobuf2_v4l2,uvcvideo,videobuf2_common
ecdh_generic 28672 2 bluetooth
snd 81920 19 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,snd_compress,snd_soc_core,snd_pcm,snd_rawmidi
mei_me 40960 0
mei 102400 1 mei_me
soundcore 16384 1 snd
intel_xhci_usb_role_switch 16384 0
roles 16384 1 intel_xhci_usb_role_switch
processor_thermal_device 16384 0
intel_soc_dts_iosf 20480 1 processor_thermal_device
intel_pch_thermal 16384 0
int3403_thermal 16384 0
int340x_thermal_zone 16384 2 int3403_thermal,processor_thermal_device
int3400_thermal 20480 0
acpi_thermal_rel 16384 1 int3400_thermal
hp_wireless 16384 0
acpi_pad 184320 0
mac_hid 16384 0
sch_fq_codel 20480 6
parport_pc 40960 0
ppdev 24576 0
lp 20480 0
parport 53248 3 parport_pc,lp,ppdev
ip_tables 28672 0
x_tables 40960 1 ip_tables
autofs4 45056 2
btrfs 1175552 0
xor 24576 1 btrfs
zstd_compress 155648 1 btrfs
raid6_pq 114688 1 btrfs
libcrc32c 16384 1 btrfs
dm_mirror 24576 0
dm_region_hash 20480 1 dm_mirror
dm_log 20480 2 dm_region_hash,dm_mirror
hid_generic 16384 0
usbhid 53248 0
i915 1814528 9
kvmgt 28672 0
vfio_mdev 16384 0
mdev 24576 2 kvmgt,vfio_mdev
vfio_iommu_type1 28672 0
vfio 32768 3 kvmgt,vfio_mdev,vfio_iommu_type1
kvm 626688 1 kvmgt
irqbypass 16384 1 kvm
i2c_algo_bit 16384 1 i915
drm_kms_helper 180224 1 i915
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
psmouse 151552 0
r8169 81920 0
fb_sys_fops 16384 1 drm_kms_helper
realtek 20480 0
drm 475136 10 drm_kms_helper,i915
ahci 40960 2
i2c_i801 32768 0
libahci 32768 1 ahci
wmi 28672 3 hp_wmi,intel_wmi_thunderbolt,wmi_bmof
i2c_hid 28672 0
hid 126976 3 i2c_hid,usbhid,hid_generic
video 45056 1 i915
ben@TollaPc:~$ iwlist chan
lo no frequency information.
enp1s0 no frequency information.
wlp2s0 17 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 36 : 5.18 GHz
Channel 40 : 5.2 GHz
Channel 44 : 5.22 GHz
Channel 48 : 5.24 GHz
Current Frequency:2.437 GHz (Channel 6)
ben@TollaPc:~$ sudo iwlist scan
[sudo] password for ben:
lo Interface doesn't support scanning.
enp1s0 Interface doesn't support scanning.
wlp2s0 Scan completed :
Cell 01 - Address: 30:D3:2D:73:11:15
ESSID:"devolo-115"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.412 GHz (Channel 1)
Encryption key:on
Bit Rates:144 Mb/s
Extra:rsn_ie=30140100000fac040100000fac040100000fac028100
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
Preauthentication Supported
IE: Unknown: DD770050F204104A0001101044000102103B00010310470010876543219ABCDEF0123430D32D7311171021000B6F70656E7772742E6F726710230003574150102400033132331042000531323334351054000800060050F20400011011000A4F70656E5772742041501008000220081049000600372A000120
Quality=0/100 Signal level=-37 dBm
Extra:fm=0003
Cell 02 - Address: 48:DB:50:4E:0C:D3
ESSID:"Doppelkopp"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.437 GHz (Channel 6)
Encryption key:on
Bit Rates:144 Mb/s
Extra:rsn_ie=30140100000fac040100000fac040100000fac020c00
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: DD800050F204104A0001101044000102103B0001031047001066C5C5A26161D9FE7B1DF6D8F19304091021000842726F6164636F6D1023000842726F6164636F6D1024000631323334353610420004313233341054000800060050F20400011011000A42726F6164636F6D4150100800020000103C0001031049000600372A000120
Quality=0/100 Signal level=-45 dBm
Extra:fm=0003
Cell 03 - Address: E4:34:93:AC:CE:91
ESSID:"WLAN1-77EN41"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.422 GHz (Channel 3)
Encryption key:on
Bit Rates:300 Mb/s
Extra:wpa_ie=dd1a0050f20101000050f20202000050f2040050f20201000050f202
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
Extra:
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: Unknown: DD7A0050F204104A0001101044000102103B00010310470010D96C7EFC2F8938F1EFBD6E5148BFA81210210006487561776569102300064875617765691024000631323334353610420004313233341054000800060050F2040001101100084875617765694150100800020000103C0001031049000600372A000120
Quality=0/100 Signal level=-89 dBm
Extra:fm=0003
Cell 04 - Address: 48:DB:50:4E:0C:D4
ESSID:"Telekom_FON"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.437 GHz (Channel 6)
Encryption key:off
Bit Rates:144 Mb/s
Quality=36/100 Signal level=-46 dBm
Extra:fm=0003
Cell 05 - Address: 44:D9:E7:DB:08:58
ESSID:"SAL1902"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.447 GHz (Channel 8)
Encryption key:on
Bit Rates:144 Mb/s
Extra:rsn_ie=30180100000fac020200000fac04000fac020100000fac020000
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
Quality=0/100 Signal level=-100 dBm
Extra:fm=0001
Cell 06 - Address: 94:4A:0C:A5:AE:2B
ESSID:"WLAN000780"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.462 GHz (Channel 11)
Encryption key:on
Bit Rates:144 Mb/s
Extra:rsn_ie=30140100000fac040100000fac040100000fac020c00
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: DD800050F204104A0001101044000102103B00010310470010DAC34C5BE7DE61020CB5E6F7DD8D82EF1021000842726F6164636F6D1023000842726F6164636F6D1024000631323334353610420004313233341054000800060050F20400011011000A42726F6164636F6D4150100800020106103C0001011049000600372A000120
Quality=0/100 Signal level=-91 dBm
Extra:fm=0003
Cell 07 - Address: F0:B0:14:81:48:9A
ESSID:"Doppelkopp"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.462 GHz (Channel 11)
Encryption key:on
Bit Rates:144 Mb/s
Extra:rsn_ie=30140100000fac040100000fac040100000fac020000
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: DD180050F204104A00011010440001021049000600372A000120
Quality=21/100 Signal level=-80 dBm
Extra:fm=0001