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Share Internet connection with external device

October 12, 2020, 6:54 am
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Hello,

I encountered problems while trying to share an internet connection with an external device (BeagleBone Black in this case), connected to the Ubuntu host via an Ethernet cable.
With these setting (please, see screenshot below) I can connect to BBB over ssh, but can't get Internet. When I specify DHCP nothing works: I even can't get connection over ssh.
What should I check/modify ?

Thanks.

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[server] Ethernet is working but network manager says it has never been used

October 12, 2020, 11:46 am
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I am setting up a new server on Ubuntu 20.04 server using the Mate DE. It is connected via ethernet (eno1) and is working fine. I attempted to set a static address using the advanced network connections in the control panel, but when I first opened it, I was informed there were no network connections. I added a network connection identifying eno1 as the ethernet device in my computer and set all the normal parameters including a static address 192.186.1.186. I saved the settings, rebooted the computer and there were no changes.

The small network icon in the upper right corner (resembles an open fan) indicates there are no connections. The Ethernet Network option on the drop down menu is grayed out. When I click on Edit Connections it says my ethernet connection has never been used. The enable networking option is checked and (as you can see from this message) the network is working fine. I just have no way to manage it.

What have I done wrong and how can I set a static IP address if this isn't working?
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Can't delete wired connection

October 12, 2020, 11:51 am
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Hello,

I am facing a strange problem: I cannot remove a wired connection.
Every time I restart the system, this connection reappears.
On the screenshot below, there is the connection with the IP 169.254.8.32 which is not removable.


What should I check to remove it definitely ?
Another oddity (probably related to this issue): Ubuntu boot time has become very long - at least 3 min.

Thanks in advance.
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LAN/WLAN vs. Internet lags

October 12, 2020, 12:23 pm
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Running 2 computers from my home, a dedicated Lubuntu 20.04 server and a windows PC. Server's only purpose to run a a MUD server (text based game), as well as compile code and draw from bitbucket as myself and various admin's make changes to the code. I am using no-ip to host my static IP. Before updating from Lubuntu 17 to 19, I had no lag when SSH'ing into the server from either my work or from my windows PC, using the no-ip website as my connection instead of the 192.168.0.*. The server, which uses telnet protocols, also had no issues nor did the server generated website. after updating to 19, I had issues with SSH files, X11 forwarding, as well as other issues but lag was still not an issue. With the release of 20.04 LTS, I did a proper fresh Lubuntu install, and setup SSH, mySQL, the compilers etc and the server is up and running with no hassle, other then...

Anyone other then my own home network can connect to the server via the no-ip redirect with no issues. I can do it from work, connecting either to the website, the game server or SSH, no issues. But when I try it from my own home I get horrid lag on all services running. SSH is slow, the website is horrendous, and the telnet game lags. As a test, I tried this from my cellphone at home while connected to the Wi-Fi, results like I said. As soon as I disconnected Wi-Fi and ran off the cellphone data speeds were good across all platforms running. The Lubuntu server itself suffers no issues with connection to the internet and it is plugged directly into the router and not over Wi-Fi.

Any ideas as to what changed from version 17 to 20 that could have caused this? I can only assume I am overlooking some local network setting I do not know about.

Thank you and Happy Canadian Thanksgiving!

Joe T.
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How to install USB adapter 2.0 802.iiN in ubuntu

October 13, 2020, 12:12 am
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Hi,
I buy usb wireless adapter but its not working on my desktop. I Have Ubuntu 16.04.

Someone help me with this.
Thank you.
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Wireguard won't start on Ubuntu 20.04 desktop

October 13, 2020, 7:14 pm
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Hi,


I have installed Wireguard on Ubuntu 20.04 Desktop.


I used this tutorial URL: https://www.cyberciti.biz/faq/ubuntu...rd-vpn-server/ along with several others that are pretty much the same.


The problem I am experiencing Wireguard won't start.


Here is the error message.


name@name:~$ sudo systemctl start wg-quick@wg0
[sudo] password for name:
Job for wg-quick@wg0.service failed because the control process exited with error code.
See "systemctl status wg-quick@wg0.service" and "journalctl -xe" for details.


name@name:~$ journalctl -xe
-- Subject: Unit process exited
-- Defined-By: systemd
-- Support: http://www.ubuntu.com/support
--
-- An ExecStart= process belonging to unit wg-quick@wg0.service has exited.
--
-- The process' exit code is 'exited' and its exit status is 127.
Oct 13 21:03:36 name-GA-78LMT-S2 systemd[1]: wg-quick@wg0.service: Failed with result 'exit-code'.
-- Subject: Unit failed
-- Defined-By: systemd
-- Support: http://www.ubuntu.com/support
--
-- The unit wg-quick@wg0.service has entered the 'failed' state with result 'exit-code'.
Oct 13 21:03:36 name-GA-78LMT-S2 systemd[1]: Failed to start WireGuard via wg-quick(8) for wg0.
-- Subject: A start job for unit wg-quick@wg0.service has failed
-- Defined-By: systemd
-- Support: http://www.ubuntu.com/support
--
-- A start job for unit wg-quick@wg0.service has finished with a failure.
--
-- The job identifier is 3614 and the job result is failed.
Oct 13 21:03:36 walshm-GA-78LMT-S2 sudo[11889]: pam_unix(sudo:session): session closed for user root
Oct 13 21:03:39 walshm-GA-78LMT-S2 systemd-resolved[733]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP.
Oct 13 21:03:39 walshm-GA-78LMT-S2 systemd-resolved[733]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP.
Oct 13 21:03:39 walshm-GA-78LMT-S2 systemd-resolved[733]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP.
Oct 13 21:03:39 walshm-GA-78LMT-S2 systemd-resolved[733]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP.
Oct 13 21:03:39 walshm-GA-78LMT-S2 systemd-resolved[733]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP.
Oct 13 21:03:39 walshm-GA-78LMT-S2 systemd-resolved[733]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP.


[1]+ Stopped journalctl -xe


name@name:~$ systemctl status wg-quick@wg0.service
● wg-quick@wg0.service - WireGuard via wg-quick(8) for wg0
Loaded: loaded (/lib/systemd/system/wg-quick@.service; enabled; vendor preset: enabled)
Active: failed (Result: exit-code) since Tue 2020-10-13 21:03:36 CDT; 1min 24s ago
Docs: man:wg-quick(8)
man:wg(8)
https://www.wireguard.com/
https://www.wireguard.com/quickstart/
https://git.zx2c4.com/wireguard-tool...man/wg-quick.8
https://git.zx2c4.com/wireguard-tool...t/src/man/wg.8
Process: 11895 ExecStart=/usr/bin/wg-quick up wg0 (code=exited, status=127)
Main PID: 11895 (code=exited, status=127)


Oct 13 21:03:35 name-GA-78LMT-S2 wg-quick[11895]: [#] ip link add wg0 type wireguard
Oct 13 21:03:35 name-GA-78LMT-S2 wg-quick[11895]: [#] wg setconf wg0 /dev/fd/63
Oct 13 21:03:35 name-GA-78LMT-S2 wg-quick[11895]: [#] ip -4 address add 10.0.0.2/24 dev wg0
Oct 13 21:03:36 name-GA-78LMT-S2 wg-quick[11895]: [#] ip link set mtu 1420 up dev wg0
Oct 13 21:03:36 name-GA-78LMT-S2 wg-quick[11933]: [#] resolvconf -a wg0 -m 0 -x
Oct 13 21:03:36 name-GA-78LMT-S2 wg-quick[11935]: /usr/bin/wg-quick: line 32: resolvconf: command not found
Oct 13 21:03:36 name-GA-78LMT-S2 wg-quick[11895]: [#] ip link delete dev wg0
Oct 13 21:03:36 name-GA-78LMT-S2 systemd[1]: wg-quick@wg0.service: Main process exited, code=exited, status=127/n/a
Oct 13 21:03:36 name-GA-78LMT-S2 systemd[1]: wg-quick@wg0.service: Failed with result 'exit-code'.
Oct 13 21:03:36 name-GA-78LMT-S2 systemd[1]: Failed to start WireGuard via wg-quick(8) for wg0.


Can some suggest how to resolve Wireguard not starting?
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My Ubuntu server doesn't connect to Ethernet when rebooted

October 13, 2020, 7:17 pm
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For some reason every time my Ubuntu server restarts the LAN Ethernet adapter just goes kaput I'm not quite sure why and not sure what to put in to help since I just started using Ubuntu server yesterday. I apologize for my complete lack of knowledge.
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[ubuntu] No wifi after cold reboot on Ubuntu 20.04

October 14, 2020, 2:37 am
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Hello,

TL;DR

I recently cold booted my laptop and the wifi stopped working. Both wifi and bluetooth don't work but my priority is having wifi working. I tried searching for a solution for three days (including pertinent bugs and patches). However, I have not been able to find a fix yet. It used to work before and I have the wireless-info.txt for that too. If needed, I can upload it too.

Relevant specs:
---------------
Operating System:
Distributor ID: Ubuntu
Description: Ubuntu 20.04.1 LTS
Release: 20.04
Codename: focal

PC make: Dell Inspiron 7586 2-in-1

name@name:~$ dmesg | grep iwl
[ 7.308388] iwlwifi 0000:00:14.3: enabling device (0000 -> 0002)
[ 7.321602] iwlwifi 0000:00:14.3: Found debug destination: EXTERNAL_DRAM
[ 7.321606] iwlwifi 0000:00:14.3: Found debug configuration: 0
[ 7.322475] iwlwifi 0000:00:14.3: loaded firmware version 46.8902351f.0 op_mode iwlmvm
[ 7.358023] iwlwifi 0000:00:14.3: Detected Intel(R) Dual Band Wireless AC 9460, REV=0x318
[ 7.365714] iwlwifi 0000:00:14.3: Applying debug destination EXTERNAL_DRAM
[ 7.366888] iwlwifi 0000:00:14.3: Allocated 0x00400000 bytes for firmware monitor.
[ 7.371425] iwlwifi 0000:00:14.3: Microcode SW error detected. Restarting 0x0.
[ 7.371432] iwlwifi 0000:00:14.3: Not valid error log pointer 0x00000000 for Init uCode
[ 7.371442] iwlwifi 0000:00:14.3: Fseq Registers:
[ 7.371445] iwlwifi 0000:00:14.3: 0x8000E404 | FSEQ_ERROR_CODE
[ 7.371455] iwlwifi 0000:00:14.3: 0x1440C788 | FSEQ_TOP_INIT_VERSION
[ 7.371458] iwlwifi 0000:00:14.3: 0x45163477 | FSEQ_CNVIO_INIT_VERSION
[ 7.371461] iwlwifi 0000:00:14.3: 0x055260E5 | FSEQ_OTP_VERSION
[ 7.371464] iwlwifi 0000:00:14.3: 0x39B2FADF | FSEQ_TOP_CONTENT_VERSION
[ 7.371466] iwlwifi 0000:00:14.3: 0xC3BBD7F0 | FSEQ_ALIVE_TOKEN
[ 7.371469] iwlwifi 0000:00:14.3: 0x00489810 | FSEQ_CNVI_ID
[ 7.371472] iwlwifi 0000:00:14.3: 0xF7EA67FF | FSEQ_CNVR_ID
[ 7.371475] iwlwifi 0000:00:14.3: 0x01000100 | CNVI_AUX_MISC_CHIP
[ 7.371511] iwlwifi 0000:00:14.3: 0xA5A5A5A2 | CNVR_AUX_MISC_CHIP
[ 7.371586] iwlwifi 0000:00:14.3: 0xA5A5A5A2 | CNVR_SCU_SD_REGS_SD_REG_DIG_DCDC_VTRIM
[ 7.371662] iwlwifi 0000:00:14.3: 0xA5A5A5A2 | CNVR_SCU_SD_REGS_SD_REG_ACTIVE_VDIG_MIRROR
[ 7.371866] iwlwifi 0000:00:14.3: SecBoot CPU1 Status: 0xa5a5a5a2, CPU2 Status: 0xa5a5a5a2
[ 7.371877] iwlwifi 0000:00:14.3: Failed to start INIT ucode: -5
[ 7.371880] iwlwifi 0000:00:14.3: Collecting data: trigger 16 fired.
[ 7.618273] iwlwifi 0000:00:14.3: Firmware not running - cannot dump error
[ 7.630421] iwlwifi 0000:00:14.3: Failed to run INIT ucode: -5

name@name:~$ lspci
00:14.3 Network controller: Intel Corporation Cannon Point-LP CNVi [Wireless-AC] (rev 30)

name@name:~$ rfkill list
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no

* I dont know why I do not have a WLAN option (it was there previously).

Here is the link to my wireless-info.txt for further scrutiny.
https://pastebin.com/d4keAusL

* I have currently tethered my connection to my phone and that is why there is an Ethernet option and usb0 in wireless-info.txt in ifconfig.
* I tried loading other iwlwifi firmware versions (including the -34.ucode from Intel and Dell and also the -33, -34, -38, -41, -43 and -46.ucode from /lib/firmware)


name@name:~$ apt list | grep linux-firmware
linux-firmware/now 1.189 all [installed,local]

name@name:~$ uname -r
5.4.0-42-generic


name@name:~$ sudo lshw -C network
[sudo] password for name:
*-network
description: Network controller
product: Cannon Point-LP CNVi [Wireless-AC]
vendor: Intel Corporation
physical id: 14.3
bus info: pci@0000:00:14.3
version: 30
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix bus_master cap_list
configuration: driver=iwlwifi latency=0
resources: irq:16 memory:a121c000-a121ffff
*-network
description: Ethernet interface
physical id: 2
bus info: usb@1:4
logical name: usb0
serial: 42:8a:b8:cf:17:bd
capabilities: ethernet physical
configuration: broadcast=yes driver=rndis_host driverversion=22-Aug-2005 firmware=RNDIS device ip=192.168.42.39 link=yes multicast=yes

Note: I have an Intel Wireless AC 9560 wireless card.
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After upgrding to Ubuntu 20.04.1 LTS from Ubuntu 18.04 LTS net connection is lost

October 14, 2020, 5:23 am
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Hi,

I have just upgraded to Ubuntu 20.04.1 LTS from Ubuntu 18.04 LTS, after getting upgrade suggestions from software updater. In Ubuntu 18.04, internet was working properly both in Wifi and Ethernet, but now in Ubuntu 20.04 I have no internet connection.


I am new to Ubuntu. I have searched online for solution and checked the following things:


  1. dpkg -l *netplan
  2. cat /etc/network/interfaces
  3. cat /etc/netplan/*yaml
  4. sudo lshw -C network


Please find the screenshots in the following links:
1. https://cernbox.cern.ch/index.php/s/OozBtsAnBmzVugD

2. https://cernbox.cern.ch/index.php/s/y2iFG1i85ud9hlO


I don't know what to do. I am really stuck. Can anyone please help me in this regard?


Thanks in advance.


Best regards,

Prottoy
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USB Lan Adapter Woes

October 14, 2020, 2:41 pm
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I picked up an 802.11ac USB adapter and have been having quite a few issues. The connections are very intermittent. It can sometimes take a while to connect and will experience frequent disconnects. The system was stable using an older 2.4ghz adapter.

I ran the wireless info script and the results are located here: https://pastebin.com/sqsbP7TA
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What is the effect of using minstrel instead of minstrel_ht in 802.11n networks?

October 14, 2020, 11:22 pm
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What is the effect of using minstrel instead of minstrel_ht in 802.11n networks? In 802.11n networks minstrel_ht is the default rate control algorithm if I change this back to the original minstrel, what changes does it really cause? Is this advisable to do?
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[ubuntu] Ubuntu 20.04 - can't add to AD using realm

October 15, 2020, 8:29 am
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Hello! Need some help with sssd - tried to add my new machine ecologyubuntu to AD - unsuccessfully:

sudo realm join --verbose --user=administrator dc.mydomain.ru
* Resolving: _ldap._tcp.dc.mydomain.ru
* Resolving: dc.mydomain.ru
* Performing LDAP DSE lookup on: 192.168.0.10
* Successfully discovered: mydomain.ru
Password for administrator:
* Unconditionally checking packages
* Resolving required packages
* LANG=C /usr/sbin/adcli join --verbose --domain mydomain.ru --domain-realm MYDOMAIN.RU --domain-controller 192.168.0.10 --login-type user --login-user administrator --stdin-password
* Using domain name: mydomain.ru
* Calculated computer account name from fqdn: ECOLOGYUBUNTU
* Using domain realm: mydomain.ru
* Sending NetLogon ping to domain controller: 192.168.0.10
* Received NetLogon info from: dc.mydomain.ru
* Wrote out krb5.conf snippet to /var/cache/realmd/adcli-krb5-Tqn6cK/krb5.d/adcli-krb5-conf-xkL8EJ
* Authenticated as user: administrator@MYDOMAIN.RU
! Couldn't authenticate to active directory: SASL(-1): generic failure: GSSAPI Error: Unspecified GSS failure. Minor code may provide more information (Server not found in Kerberos database)
adcli: couldn't connect to mydomain.ru domain: Couldn't authenticate to active directory: SASL(-1): generic failure: GSSAPI Error: Unspecified GSS failure. Minor code may provide more information (Server not found in Kerberos database)
! Insufficient permissions to join the domain
realm: Couldn't join realm: Insufficient permissions to join the domain


When I tried this:

kinit administrator@MYDOMAIN.RU
Password for administrator@MYDOMAIN.RU:
garett@ecologyubuntu:~$ klist
Ticket cache: FILE:/tmp/krb5cc_1000
Default principal: administrator@MYDOMAIN.RU

Valid starting Expires Service principal
10/15/20 18:24:32 10/16/20 04:24:32 krbtgt/MYDOMAIN.RU@MYDOMAIN.RU
renew until 10/16/20 18:24:27

Also I disabled ipv6 but no effect. Here is /etc/hosts:

cat /etc/hosts
127.0.0.1 localhost
192.168.0.171 ecologyubuntu ecologyubuntu.mydomain.ru

# 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

Password for administrator@mydomain.ru is 100% correct - what is wrong with my conf? Please help.
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NIC issues in Xubuntu 14.04 after warm reboot from Windows - Dual boot

October 15, 2020, 9:38 am
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I've got a Dell Precision T5810 that is dual booting Windows 10 and Xubuntu 14.04. I know 14.04 is EOL but some software requires 14.04 still *cough* medical software *cough*. Xubuntu is the default option in Grub so when rebooting from Windows 10 the PC will reboot to Xubuntu. When this happens the NIC cannot communicate out the NIC port. If the PC is shutdown from Windows 10 and started backup into Xubuntu the NIC has no problems. Dell is hesitant to support anything related to Xubuntu since the workstation shipped with Windows 7.

I do see dhcpd sending out broadcast packets to get an IP but nothing is seen on the dhcp server in my router. There are link lights and flashes indicating traffic on the switchport and the NIC port on the workstation. I can ping 127.0.0.1

Dell's pre-boot diagnostics will fail the NIC if I reboot from Windows 10 into Xubuntu 14.04 then reboot and go directly to the pre-boot diagnostics. If I reboot Windows 10 and enter pre-boot diagnostics the NIC passes.

There are not differences in lsmod or dmesg for the networking between reboots when the NIC works and when it doesn't.

This issue is specific to the Dell Precision T5810. We have deployed dozens of T7810s and T7820s without an issue.

I can provide any necessary info needed if anyone can point me in the right direction.

Thank you
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[ubuntu] Neither WiFi nor ethernet in Ubuntu 20.04.1 LTS

October 15, 2020, 1:41 pm
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First time here. I completed almost 4 weeks with neither WiFi nor Ethernet; I'm using USB tethering for internet connection. I've followed several tutorials and solutions posted in forums but I've been unable to solve my problem hitherto. I'd really appreciate some guidance from scratch i.e. diagnosis, troubleshooting.


Operating System: Ubuntu 20.04.1 LTS

*-network UNCLAIMED
description: Ethernet controller
product: RTL810xE PCI Express Fast Ethernet controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:02:00.0
version: 07
width: 64 bits
clock: 33MHz
capabilities: bus_master cap_list
configuration: latency=0
resources: ioport:d000(size=256) memory:ef200000-ef200fff memory:e2100000-e2103fff
*-generic DISABLED
description: Wireless interface
product: RTL8821AE 802.11ac PCIe Wireless Network Adapter
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:03:00.0
logical name: wlp3s0
version: ff
serial: f0:03:8c:ac:4a:27
width: 32 bits
clock: 66MHz
capabilities: bus_master vga_palette cap_list ethernet physical wireless
configuration: broadcast=yes driver=rtl8821ae driverversion=5.4.0-48-generic firmware=N/A latency=255 link=no maxlatency=255 mingnt=255 multicast=yes wireless=IEEE 802.11
resources: irq:130 ioport:c000(size=256) memory:ef100000-ef103fff
*-network
description: Ethernet interface
physical id: 1
bus info: usb@1:2
logical name: usb0
serial: 72:de:96:42:06:a1
capabilities: ethernet physical
configuration: broadcast=yes driver=rndis_host driverversion=22-Aug-2005 firmware=RNDIS device ip=192.168.42.241 link=yes multicast=yes
WARNING: output may be incomplete or inaccurate, you should run this program as super-user.


I don't know whether this initial information is enough. TIA!
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Can't find network printers

October 16, 2020, 4:26 am
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Hi

I have worked in the same office and on the same laptop for three years. Roughly 6-8 weeks ago I lost the ability to use or find network printers. I was using Ubuntu 18.04 LTS. Today I upgraded to 20.04 LTS, but the problem persists. I connect to the network via a cable and continue to use the internet via that cable.

When I try to "Add" a printer, a window opens where you can search for a printer on a network. I have both the correct printer name and it's IP address, but the window always reports "No printer was found at that address"

What might be going on?

Best regards
David
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Wireless adapters not found (Ubuntu 20.04)

October 16, 2020, 6:07 am
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Ubuntu 20.04 - Wifi keeps disconnecting

October 16, 2020, 2:50 pm
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Hello everyone!

Few months ago when I bought my new laptop (Acer Nitro AN515-43-R40X) I decided to install Ubuntu 20.04 LTS on it. So I'm a Linux novice :)

At the beginning I didn't have any network/WiFi issues, then roughly a month ago my WiFi connection started to drop. The connection is always up and working when I start the laptop but after few minutes of surfing the net, it gets disconnected. It happens almost instantly if I start to download something. Turning the wifi off and on from the GUI or issuing
Code:
sudo service network-manager restart
does always the trick to go back online. And then I get disconnected again.. Also, the issue is only with the WiFi, the net is stable using Ethernet cable.

I've tried few suggestions like, changing the powersafe to 2 (in /etc/NetworkManager/conf.d/default-wifi-powersave-on.conf) and the suggestion to send ARP requests by a cron job, mentioned here https://askubuntu.com/questions/1230...reless-adaptor. Nothing helped so far.

I've run the wireless-info script mentioned here in the forum, let me attach the result of it.*

Could you please help me with this issue? Many thank in advance!
Daniel


*For some reason the pastebin thing didn't work for me: it seems to me that
Code:
ping -nc 3 -w 6 -i 0.2 paste.ubuntu.com
produces bad timing interval error for me.
Attached Files
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TP-link t4u(Realtek 88x2bu) doesn't connect to network after reboot

October 16, 2020, 9:52 pm
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Hello. I have ubuntu 20.04 and use wi-fi adapter TP-link t4u. I try to install 3 different drivers Realtek 88x2bu (https://github.com/morrownr/88x2bu; https://github.com/RinCat/RTL88x2BU-Linux-Driver; https://github.com/cilynx/rtl88x2bu). But I have one and the same problem for all these drivers : after reboot of computer Ubuntu can not reconnecting to the network due to authentication error. I have to delete the network settings (forget the network) and reconnect with reenter the password. Does anyone know how to solve this problem?
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20.04 NetworkManager How to autoconnect to specific hidden Wi-Fi network?

October 17, 2020, 12:12 am
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I have exactly the same problem!

I have 2 laptops, 1 Dell and 1 Lenovo. Both were recently upgraded from 18.04 to 20.04. With 18.04 both were able to automatically connect to the hidden WiFi whenever it was available. After the upgrade to 20.04, the Lenovo can still connect automatically to the same hidden WiFi - the Dell cannot and every time I have to connect manually. The settings are exactly the same in both laptops and the same as they were in 18.04.

This is very frustrating and since the Lenovo does not have this problem, I take it that it is not a matter of 20.04 not allowing automatic connections to hidden WiFi networks in general, but a bug in the Dell's 20.04 installation.

Can anyone recommend a solution?
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Killer Wi-Fi 6 AX1650i 160MHz Wireless- dropping after modem replacement

October 18, 2020, 11:15 am
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My ISP sent me a new modem as part of their random troubleshooting of a time of day slowdown. They went from Netgear 7750 to Arris NVG433B. Since then my Asus Vivobook15 has been dropping the wifi connection every 10-20 minutes I usually just turn off and on wifi to reconnect. This also used to happen occasionally on the Netgear router but no where near as often - maybe once or twice a day.

I am thinking it is a driver problem but don't know what driver to use or the current driver can't handle whatever wifi spec the modem is picking.

I found a lot of complaints and questions about the Killer AX1650 but nobody claiming a solution. Running 20.04 updated yesterday.

The bottom lines of dmesg -r after a retart of the wifi shows:

<6>[ 540.656574] wlo1: Connection to AP a8:97:cd:c9:4e:44 lost
<6>[ 540.952232] wlo1: send auth to a8:97:cd:c9:4e:44 (try 2/3)
<3>[ 541.566668] iwlwifi 0000:00:14.3: No beacon heard and the time event is over already...
<6>[ 541.566747] wlo1: Connection to AP a8:97:cd:c9:4e:44 lost
<6>[ 541.976270] wlo1: send auth to a8:97:cd:c9:4e:44 (try 3/3)
<3>[ 542.590737] iwlwifi 0000:00:14.3: No beacon heard and the time event is over already...
<6>[ 542.590815] wlo1: Connection to AP a8:97:cd:c9:4e:44 lost
<6>[ 542.967785] wlo1: authentication with a8:97:cd:c9:4e:44 timed out
<6>[ 550.725663] wlo1: authenticate with a8:97:cd:c9:4e:44
<6>[ 550.726992] wlo1: send auth to a8:97:cd:c9:4e:44 (try 1/3)
<6>[ 550.747887] wlo1: authenticated
<6>[ 550.751987] wlo1: associate with a8:97:cd:c9:4e:44 (try 1/3)
<6>[ 550.753102] wlo1: RX AssocResp from a8:97:cd:c9:4e:44 (capab=0x1011 status=0 aid=3)
<6>[ 550.755704] wlo1: associated
<6>[ 550.770140] IPv6: ADDRCONF(NETDEV_CHANGE): wlo1: link becomes ready
<7>[ 550.787276] wlo1: Limiting TX power to 24 (24 - 0) dBm as advertised by a8:97:cd:c9:4e:44
dave@vivobook:~$


I have changed the beacon interval on the modem from 100ms to 75ms but no change.


dave@vivobook:~$ uname -r
5.4.0-47-generic
dave@vivobook:~$


dave@vivobook:~$ sudo lshw -C network
[sudo] password for dave:
*-network
description: Wireless interface

product: Killer Wi-Fi 6 AX1650i 160MHz Wireless Network Adapter (201NGW)

vendor: Intel Corporation

physical id: 14.3
bus info: pci@0000:00:14.3
logical name: wlo1
version: 30
serial: 08:d2:3e:d9:34:c9
width: 64 bits

clock: 33MHz
capabilities: pm msi pciexpress msix bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=iwlwifi driverversion=5.4.0-47-generic firmware=48.4fa0041f.0 ip=192.168.254.10 latency=0 link=yes multicast=yes wireless=IEEE 802.11
resources: iomemory:600-5ff irq:16 memory:6001124000-6001127fff
dave@vivobook:~$






dave@vivobook:~$ lspci
00:00.0 Host bridge: Intel Corporation Device 8a02 (rev 03)
00:02.0 VGA compatible controller: Intel Corporation Device 8a56 (rev 07)
00:04.0 Signal processing controller: Intel Corporation Device 8a03 (rev 03)
00:14.0 USB controller: Intel Corporation Ice Lake-LP USB 3.1 xHCI Host Controller (rev 30)
00:14.2 RAM memory: Intel Corporation Device 34ef (rev 30)
00:14.3 Network controller: Intel Corporation Killer Wi-Fi 6 AX1650i 160MHz Wireless Network Adapter (201NGW) (rev 30)

00:14.5 SD Host controller: Intel Corporation Ice Lake-LP SD Controller (rev 30)
00:15.0 Serial bus controller [0c80]: Intel Corporation Ice Lake-LP Serial IO I2C Controller #0 (rev 30)

00:15.1 Serial bus controller [0c80]: Intel Corporation Ice Lake-LP Serial IO I2C Controller #1 (rev 30)
00:16.0 Communication controller: Intel Corporation Management Engine Interface (rev 30)
00:17.0 SATA controller: Intel Corporation Ice Lake-LP SATA Controller [AHCI mode] (rev 30)
00:1d.0 PCI bridge: Intel Corporation Device 34b4 (rev 30)
00:1e.0 Communication controller: Intel Corporation Ice Lake-LP Serial IO UART Controller #0 (rev 30)
00:1e.2 Serial bus controller [0c80]: Intel Corporation Ice Lake-LP Serial IO SPI Controller #0 (rev 30)
00:1f.0 ISA bridge: Intel Corporation Ice Lake-LP LPC Controller (rev 30)
00:1f.3 Audio device: Intel Corporation Smart Sound Technology Audio Controller (rev 30)
00:1f.4 SMBus: Intel Corporation Ice Lake-LP SMBus Controller (rev 30)
00:1f.5 Serial bus controller [0c80]: Intel Corporation Ice Lake-LP SPI Controller (rev 30)
01:00.0 Non-Volatile memory controller: Sandisk Corp WD Black 2018/PC SN520 NVMe SSD (rev 01)




ave@vivobook:~$ nmcli device show
GENERAL.DEVICE: wlo1
GENERAL.TYPE: wifi
GENERAL.HWADDR: 08:D2:3E:D9:34:C9
GENERAL.MTU: 1500
GENERAL.STATE: 100 (connected)
GENERAL.CONNECTION: Frontier0112
GENERAL.CON-PATH: /org/freedesktop/NetworkManager/ActiveC>
IP4.ADDRESS[1]: 192.168.254.10/24
IP4.GATEWAY: 192.168.254.254
IP4.ROUTE[1]: dst = 0.0.0.0/0, nh = 192.168.254.254, >
IP4.ROUTE[2]: dst = 192.168.254.0/24, nh = 0.0.0.0, m>
IP4.ROUTE[3]: dst = 169.254.0.0/16, nh = 0.0.0.0, mt >
IP4.DNS[1]: 192.168.254.254
IP4.DOMAIN[1]: frontierlocal.net
IP6.ADDRESS[1]: fe80::2cfd:8137:737a:d11/64
IP6.GATEWAY: --
IP6.ROUTE[1]: dst = fe80::/64, nh = ::, mt = 600
IP6.ROUTE[2]: dst = ff00::/8, nh = ::, mt = 256, tabl>


GENERAL.DEVICE: p2p-dev-wlo1
GENERAL.TYPE: wifi-p2p
GENERAL.HWADDR: (unknown)
GENERAL.MTU: 0
GENERAL.STATE: 30 (disconnected)
GENERAL.CONNECTION: --
GENERAL.CON-PATH: --


GENERAL.DEVICE: lo
GENERAL.TYPE: loopback
GENERAL.HWADDR: 00:00:00:00:00:00
GENERAL.MTU: 65536

GENERAL.STATE: 10 (unmanaged)
GENERAL.CONNECTION: --
GENERAL.CON-PATH: --
IP4.ADDRESS[1]: 127.0.0.1/8
IP4.GATEWAY: --
IP6.ADDRESS[1]: ::1/128
IP6.GATEWAY: --
IP6.ROUTE[1]: dst = ::1/128, nh = ::, mt = 256




NAME UUID TYPE DEVICE
Frontier0112 72940779-e9d0-49d1-a958-79023cfc36c1 wifi wlo1

Beagle d4a787ac-4dad-45cf-83e8-60b23212617c wifi --
dave@vivobook:~$
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