Laut dem Admin ist das hier alles in Ordnung (die Hardware im Haus) und ich solle bei mir mal nachsehen (Laptop). Es kommt nämlich immer wieder zu Verbindungsabbrüchen, trotz neuer eingerichteter Hardware (im Haus).
uname -a Linux oliver-Lenovo-G50-80 5.8.0-40-generic #45-Ubuntu SMP Fri Jan 15 11:05:36 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
lspci -nnk | grep -i net -A2 02:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 10) Subsystem: Lenovo RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [17aa:3821] Kernel driver in use: r8169 Kernel modules: r8169 03:00.0 Network controller [0280]: Intel Corporation Wireless 3160 [8086:08b4] (rev 93) Subsystem: Intel Corporation Dual Band Wireless AC 3160 [8086:8270] Kernel driver in use: iwlwifi
lsusb Bus 001 Device 002: ID 8087:8001 Intel Corp. Integrated Hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 002 Device 006: ID 8087:07dc Intel Corp. Bluetooth wireless interface Bus 002 Device 005: ID 5986:0652 Acer, Inc Lenovo EasyCamera Bus 002 Device 003: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller Bus 002 Device 004: ID 046d:c077 Logitech, Inc. M105 Optical Mouse Bus 002 Device 002: ID 05e3:0610 Genesys Logic, Inc. Hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
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 68:f7:28:4b:ba:0b brd ff:ff:ff:ff:ff:ff 3: wlp3s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP mode DORMANT group default qlen 1000 link/ether d0:7e:35:8a:75:c3 brd ff:ff:ff:ff:ff:ff
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 3: wlp3s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000 inet 192.168.42.140/24 brd 192.168.42.255 scope global dynamic noprefixroute wlp3s0 valid_lft 2990sec preferred_lft 2990sec
ip -4 route default via 192.168.42.1 dev wlp3s0 proto dhcp metric 600 169.254.0.0/16 dev wlp3s0 scope link metric 1000 192.168.42.0/24 dev wlp3s0 proto kernel scope link src 192.168.42.140 metric 600
ip -4 neigh 192.168.42.1 dev wlp3s0 lladdr b0:95:75:88:67:34 REACHABLE
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
nmcli general ; nmcli device ; nmcli connection STATE CONNECTIVITY WIFI-HW WIFI WWAN-HW WWAN verbunden vollständig aktiviert aktiviert aktiviert deaktiviert DEVICE TYPE STATE CONNECTION wlp3s0 wifi verbunden WLAN SWSTG 2 p2p-dev-wlp3s0 wifi-p2p nicht verbunden -- enp2s0 ethernet nicht verfügbar -- lo loopback nicht verwaltet -- NAME UUID > WLAN SWSTG 2 60b0a497-0463-4f75-88d5-53a2> AldiTalk/MedionMobile Volume rate/30 Day Flatrate 506c5735-4439-44f8-9866-bf79> Kabelgebundene Verbindung 1 ae7050e5-ddb4-3921-bbfb-8ef3> SWSTG 057 Internet ab784644-7137-4652-bbec-8696> SWSTG 057 Internet 1 587e6447-efab-4b79-a2a4-b102> SWSTG 057 Internet 2 b3dad6f4-8719-4d7f-b82a-76c8> SWSTG 057 Internet 3 d2e96b40-d014-4f7f-b347-6c26> SWSTG 057 Internet 4 eb04c65b-0704-4d6f-b60f-bb2c> SWSTG-Ortsfest ff9feeab-5c30-4cfa-bc19-037e> WLAN SWSTG c3dd6b98-7ce0-4780-9fc6-f6ff> WLAN SWSTG 1 c4ed0922-0dcd-46c9-9de9-c2cc> WLAN SWSTG 5G f2e49940-189d-4b83-ab07-765e>
grep -r "" /etc/NetworkManager/NetworkMa
grep "" /{lib,etc,run}/netplan/*yaml grep: /lib/netplan/*yaml: Datei oder Verzeichnis nicht gefunden /etc/netplan/01-network-manager-all.yaml:# Let NetworkManager manage all devices on this system /etc/netplan/01-network-manager-all.yaml:network: /etc/netplan/01-network-manager-all.yaml: version: 2 /etc/netplan/01-network-manager-all.yaml: renderer: NetworkManager grep: /run/netplan/*yaml: Datei oder Verzeichnis nicht gefunden
ls -l /etc/resolv.conf -rw-r--r-- 1 root root 63 Jan 27 00:05 /etc/resolv.conf
cat /etc/resolv.conf # Generated by NetworkManager search lan nameserver 127.0.0.53
cat /etc/hosts 127.0.0.1 localhost 127.0.1.1 oliver-Lenovo-G50-80 # The following lines are desirable for IPv6 capable hosts ::1 ip6-localhost ip6-loopback fe00::0 ip6-localnet ff00::0 ip6-mcastprefix ff02::1 ip6-allnodes ff02::2 ip6-allrouters
sudo ss -pan 'sport = 53' Netid State Recv-Q Send-Q Local Address:Port Peer Address:Port Process udp UNCONN 0 0 127.0.0.53%lo:53 0.0.0.0:* users:(("systemd-resolve",pid=1147,fd=12)) tcp LISTEN 0 4096 127.0.0.53%lo:53 0.0.0.0:* users:(("systemd-resolve",pid=1147,fd=13))
cat /etc/udev/rules.d/70-persistent-net.rules | egrep -i 'device|sub' -A3 cat: /etc/udev/rules.d/70-persistent-net.rules: Datei oder Verzeichnis nicht gefunden
ping -c 2 $(ip -4 route show default | grep -o '[0-9]*[.][.0-9]*' ) PING 192.168.42.1 (192.168.42.1) 56(84) bytes of data. 64 bytes from 192.168.42.1: icmp_seq=1 ttl=64 time=4.98 ms 64 bytes from 192.168.42.1: icmp_seq=2 ttl=64 time=2.91 ms --- 192.168.42.1 ping statistics --- 2 packets transmitted, 2 received, 0% packet loss, time 1001ms rtt min/avg/max/mdev = 2.912/3.945/4.979/1.033 ms
ing -c 2 213.95.41.4 PING 213.95.41.4 (213.95.41.4) 56(84) bytes of data. 64 bytes from 213.95.41.4: icmp_seq=1 ttl=57 time=28.5 ms 64 bytes from 213.95.41.4: icmp_seq=2 ttl=57 time=27.6 ms --- 213.95.41.4 ping statistics --- 2 packets transmitted, 2 received, 0% packet loss, time 1001ms rtt min/avg/max/mdev = 27.596/28.029/28.462/0.433 ms
ping -c 2 www.ubuntuusers.de PING ubuntuusers.de (213.95.41.4) 56(84) bytes of data. 64 bytes from ha.ubuntu-eu.org (213.95.41.4): icmp_seq=1 ttl=57 time=35.1 ms 64 bytes from ha.ubuntu-eu.org (213.95.41.4): icmp_seq=2 ttl=57 time=26.5 ms --- ubuntuusers.de ping statistics --- 2 packets transmitted, 2 received, 0% packet loss, time 1000ms rtt min/avg/max/mdev = 26.546/30.802/35.059/4.256 ms
rfkill list 0: ideapad_wlan: Wireless LAN Soft blocked: no Hard blocked: no 1: ideapad_bluetooth: Bluetooth Soft blocked: yes Hard blocked: no 2: phy0: Wireless LAN Soft blocked: no Hard blocked: no 3: hci0: Bluetooth Soft blocked: yes Hard blocked: no
iwconfig lo no wireless extensions. enp2s0 no wireless extensions. wlp3s0 IEEE 802.11 ESSID:"WLAN Sozialwerk St Georg" Mode:Managed Frequency:2.437 GHz Access Point: B0:95:75:88:67:34 Bit Rate=54 Mb/s Tx-Power=22 dBm Retry short limit:7 RTS thr:off Fragment thr:off Power Management:off Link Quality=66/70 Signal level=-44 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:7 Missed beacon:0
egrep -i 'net|eth|wlan|firm|reason' /var
dmesg | egrep 'net|eth|sky|sun|sis|via|3c3|3c5|e100|8139|8169|acx|air|ath|atl|ar9|carl|atme|at7|herm|iwl|ipw|rtl8|r81|rt2|rt3|rt6|rt7|tg3|ssb|wl|b43|b44|ori|pri|p5|zd|ndis|wmi|ns8|FW|key|rtl|country' dmesg: Lesen des Kernelpuffers ist fehlgeschlagen: Vorgang nicht zulässig