Suddenly one day the wifi option disappeared from my laptop. Since then my laptop is useless

I have the 24.04.4 LTS version of Ubuntu. Please help me

I have bind9 version 9.18.39 on Ubuntu 24.04. The bind is constantly being attacked for denial of service. I was managing it with fail2ban jail for "refused+denied".

To decrease the rate limit, I implemented two views, internal and external, with a tight rate limit of responses-per-second=2 in window=15. As soon as I switched to two views, the "security log" stopped writing, but I still can see refused/denied messages in the "default-log".

I do not understand why the security log stopped writing. It was writing when I didn't have any views, and hence the permissions are correct. The default-log does not match the Fail2ban filter, and hence I need to get the security-log to write again.

My Views configuration

// Internal view for local clients (no rate limiting)
view "internal" {
    match-clients { "internal-network"; };
    recursion yes;
    // Include your internal zones and settings here
    // Consider adding the 1918 zones here, if they are not used in your organization
    include "/etc/bind/zones.rfc1918";
    include "/etc/bind/named.conf.default-zones";

    include "/etc/bind/named-master-zones-reverse-zones-internal";
    include "/etc/bind/named-master-zones-forward-zones-internal";
    include "/etc/bind/named-master-zones-forward-zones-certbot-modifiable-zones";
};

// External view for the rest of the world (with rate limiting)
view "external" {
    # Allow anyone to query authoritative zones
    match-clients { any; };
    //allow-query { any; };
    recursion no; // Usually desired for external-facing authoritative servers

    // Apply Response Rate Limiting (RRL) specifically to this view
    rate-limit { responses-per-second 2; // Sets the number of responses allowed per second per unique query/client pair (default: 0, which is disabled; common suggestion: 5-10)
         window 15;             // Time in seconds (1 to 3600) for tracking rates; default is 15
     slip 0;                // : Controls how many dropped responses are sent as truncated (TC=1) packets. Default is 2 (every other query); 0 disables it, 1 sends all dropped packets as truncated.
         log-only no;           // Set to 'no' to actually drop/reject
         errors-per-second 1;   // Limit error responses too
         ipv4-prefix-length 32; // Track per-IPv4 address
     };

    // Consider adding the 1918 zones here, if they are not used in your organization
    include "/etc/bind/zones.rfc1918";
    include "/etc/bind/named.conf.default-zones";

    // Include your public zones here
    include "/etc/bind/named-master-zones-reverse-zones-external";
    include "/etc/bind/named-master-zones-forward-zones-external";

};

My log configuration:

logging {
    channel default_file {
        file "/var/log/named/default.log" versions 3 size 5m;
        severity dynamic;
        print-time yes;
    };
    channel general_file {
        file "/var/log/named/general.log" versions 3 size 5m;
        severity dynamic;
        print-time yes;
    };
    channel database_file {
        file "/var/log/named/database.log" versions 3 size 5m;
        severity dynamic;
        print-time yes;
    };
    channel security_file {
        file "/var/log/named/security.log" versions 3 size 5m;
        severity info;
        print-time yes;
        print-severity yes;
        print-category yes;
    };
    channel config_file {
        file "/var/log/named/config.log" versions 3 size 5m;
        severity dynamic;
        print-time yes;
    };
    channel resolver_file {
        file "/var/log/named/resolver.log" versions 3 size 5m;
        severity dynamic;
        print-time yes;
    };
    channel xfer-in_file {
        file "/var/log/named/xfer-in.log" versions 3 size 5m;
        severity dynamic;
        print-time yes;
    };
    channel xfer-out_file {
        file "/var/log/named/xfer-out.log" versions 3 size 5m;
        severity dynamic;
        print-time yes;
    };
    channel notify_file {
        file "/var/log/named/notify.log" versions 3 size 5m;
        severity dynamic;
        print-time yes;
    };
    channel client_file {
        file "/var/log/named/client.log" versions 3 size 5m;
        severity dynamic;
        print-time yes;
    };
    channel unmatched_file {
        file "/var/log/named/unmatched.log" versions 3 size 5m;
        severity dynamic;
        print-time yes;
    };
    channel queries_file {
        file "/var/log/named/queries.log" versions 3 size 5m;
        severity dynamic;
        print-time yes;
    };
    channel network_file {
        file "/var/log/named/network.log" versions 3 size 5m;
        severity dynamic;
        print-time yes;
    };
    channel update_file {
        file "/var/log/named/update.log" versions 3 size 5m;
        severity dynamic;
        print-time yes;
    };
    channel dispatch_file {
        file "/var/log/named/dispatch.log" versions 3 size 5m;
        severity dynamic;
        print-time yes;
    };
    channel dnssec_file {
        file "/var/log/named/dnssec.log" versions 3 size 5m;
        severity dynamic;
        print-time yes;
    };
    channel lame-servers_file {
        file "/var/log/named/lame-servers.log" versions 3 size 5m;
        severity dynamic;
        print-time yes;
    };

    category default { default_file; };
    category general { general_file; };
    category database { database_file; };
    category security { security_file; };
    category config { config_file; };
    category resolver { resolver_file; };
    category xfer-in { xfer-in_file; };
    category xfer-out { xfer-out_file; };
    category notify { notify_file; };
    category client { client_file; };
    category unmatched { unmatched_file; };
    category queries { queries_file; };
    category network { network_file; };
    category update { update_file; };
    category dispatch { dispatch_file; };
    category dnssec { dnssec_file; };
    category lame-servers { lame-servers_file; };
};

My Options.conf

include "/etc/bind/named-acl.conf";

include "/etc/bind/rndc.key";

controls {
    inet 127.0.0.1 port 953
    allow { 127.0.0.1; } keys { "rndc-key"; };
};

options
{
    //check-names master ignore;
    listen-on port 53 { 127.0.0.1; any; };
    listen-on-v6 port 53 { ::1; };

    directory "/var/cache/bind";

        # Restrict cache access to local trusted clients only
        allow-query-cache { "localhost"; "mydomain-computers"; };

    allow-transfer { "trusted-transfer-servers-mydomain.com"; "trusted-transfer-servers-xname.org"; "trusted-transfer-servers-buddydns.com"; };
    notify  primary-only;


    key-directory "/var/cache/bind";

        # Security best practices from ISC.org
        dnssec-validation auto;
        listen-on-v6 { any; };

};

I’m on Kubuntu 26.04 with KDE Plasma 6 and I’m having issues with color emoji rendering. Some emojis appear monochrome, render just fine

Chrome screenshot1 Example broken plage chatgpt

These are my command history I ran before the issue started:

sudo apt reinstall fonts-noto-color-emoji
sudo apt reinstall fonts-noto fonts-noto-core fonts-noto-ui-core
sudo apt remove fonts-twemoji-svginot

fc-cache -f -v
rm -rf ~/.cache/fontconfig
rm -rf ~/.cache/fonts

nano ~/.config/fontconfig/conf.d/01-emoji.conf
sudo nano /etc/fonts/local.conf
cat /etc/fonts/local.conf

shopt -s dotglob; mkdir -p ~/.fonts/truetype/noto; ln -s /usr/share/fonts/truetype/noto/* ~/.fonts/truetype/noto
rm -rf ~/.fonts/truetype/noto

fc-match emoji

If needed, I can also share the contents of 01-emoji.conf and /etc/fonts/local.conf.

What is the correct way to restore color emoji support on KDE6 / Kubuntu 26.04?

[EDIT] Here the configuartion files

andygl@hp15s:~$ cat ~/.config/fontconfig/conf.d/01-emoji.conf 
<?xml version='1.0' encoding='UTF-8'?>
<!DOCTYPE fontconfig SYSTEM 'fonts.dtd'>
<fontconfig>
 <alias binding="strong">
  <family>emoji</family>
  <prefer>
   <family>Noto Color Emoji</family>
  </prefer>
 </alias>
 <alias binding="strong">
  <family>sans-serif</family>
  <prefer>
   <family>Noto Color Emoji</family>
  </prefer>
 </alias>
 <match target="font">
  <edit mode="assign" name="rgba">
   <const>rgb</const>
  </edit>
 </match>
 <match target="font">
  <edit mode="assign" name="hinting">
   <bool>true</bool>
  </edit>
 </match>
 <match target="font">
  <edit mode="assign" name="hintstyle">
   <const>hintslight</const>
  </edit>
 </match>
 <match target="font">
  <edit mode="assign" name="antialias">
   <bool>true</bool>
  </edit>
 </match>
</fontconfig>
andygl@hp15s:~$ cat /etc/fonts/local.conf
<?xml version="1.0"?>
<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
<fontconfig>
</fontconfig>
andygl@hp15s:~$ 

My Home, End, and right-shift keys did not work on upgrade to Kubuntu 26.04 - the upgrade was performed in-place, using do-release-upgrade.

I tried some basic troubleshooting resulting in sudo apt install of libinput-tools, and --reinstall was done for udev and for kglobalacceld. KDE's keyboard configuration was set to 105 key international PC keyboard, using the GB layout.

Running sudo libinput debug-events --verbose 2>/dev/null showed spurious output for Home, appearing to have the sequence for Delete at the start.

How do I fix my G213 Logitech keyboard so that it's keys do the right thing?

create key in repository at ftp://192.168.3.1/Backups/Laurence failed: chmod ftp://192.168.3.1/Backups/Laurence/keys/9192bb9f89a6c1e93a883afbeadb48bcfc9401e3c0f048feb64339a941643e7b: input/output error

In searching for answers I did find reference in github to a problem with restic but I don't see how that is relevant.
On my ftp server all the destination folder's files have 777 permissions.
Sub folders data, index, keys, locks and snapshots were all created.
In the key folder there is one long record of hex digits.

I use fvwm, with sloppyfocus and autoraise (so that when a window receives focus, it automatically raises above overlapping windows). Since I upgraded to ubuntu 24.04.4, auto raise isn't functioning.

I'm trying to install a kernel module to overclock my gamecube controller adapter, but running make just returns this error

make -C "/lib/modules/6.12.86+deb13-amd64/build" M="/home/imperium2099/gcadapter-oc-kmod" modules
make[1]: Entering directory '/usr/lib/modules/6.12.86+deb13-amd64/build'
warning: the compiler differs from the one used to build the kernel
The kernel was built by: x86_64-linux-gnu-gcc-14 (Debian 14.2.0-19) 14.2.0
You are using: gcc (Debian 14.2.0-19) 14.2.0
CC [M] /home/imperium2099/gcadapter-oc-kmod/gcadapter_oc.o
In file included from <command-line>:
/usr/src/linux-headers-6.12.86+deb13-common/include/linux/kconfig.h:5:10: fatal error: generated/autoconf.h: No such file or directory
5 | #include <generated/autoconf.h>
| ^~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
make[3]: *** [/usr/src/linux-headers-6.12.86+deb13-common/scripts/Makefile.build:234: /home/imperium2099/gcadapter-oc-kmod/gcadapter_oc.o] Error 1
make[2]: *** [/usr/src/linux-headers-6.12.86+deb13-common/Makefile:1981: /home/imperium2099/gcadapter-oc-kmod] Error 2
make[1]: *** [/usr/src/linux-headers-6.12.86+deb13-common/Makefile:236: __sub-make] Error 2
make[1]: Leaving directory '/usr/lib/modules/6.12.86+deb13-amd64/build'
make: *** [Makefile:6: all] Error 2

This is the original project: https://github.com/HannesMann/gcadapter-oc-kmod

I'm using Debian Trixie, if that matters.

Does Ubuntu 2026.4 lts support Asus PRIME B860M-A WIFI Motherboard, socket lga 1851, with intel core Ultra 5 225 or ultra 5 250k processors ? This is the hardware i would like to upgrade to.

After upgrading my kubuntu system to 26.04 I lost my audio devices. At least partially:

kmix only shows a "dummy" output, the loudspeaker symbol in the panel whows the tooltip "no output or input devices found".

I have pipewire installed, pulseaudio is NOT installed. pipewire service is started, a kernel driver for the sound card is loaded (sof-audio-pci-intel-tgl / snd-sof-pci-intel-tgl). This is a Dell XPS 13 system.

From aplay -l I get:

 arkascha@hotdog:~$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: sofhdadsp [sof-hda-dsp], device 0: HDA Analog (*) []
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: sofhdadsp [sof-hda-dsp], device 3: HDMI1 (*) [HDMI 1]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: sofhdadsp [sof-hda-dsp], device 4: HDMI2 (*) [HDMI 2]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: sofhdadsp [sof-hda-dsp], device 5: HDMI3 (*) [HDMI 3]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: sofhdadsp [sof-hda-dsp], device 31: HDA Analog Deep Buffer (*) []
  Subdevices: 1/1

The existing sound devices:

root@hotdog:/etc/modprobe.d# ll /dev/snd/
total 0
drwxr-xr-x  3 root root      320 May 16 19:24 ./
drwxr-xr-x 21 root root     5200 May 16 19:06 ../
drwxr-xr-x  2 root root       60 May 16 19:24 by-path/
crw-rw----+ 1 root audio 116, 12 May 16 19:24 controlC0
crw-rw----+ 1 root audio 116, 11 May 16 19:24 hwC0D0
crw-rw----+ 1 root audio 116, 10 May 16 19:24 hwC0D2
crw-rw----+ 1 root audio 116,  5 May 16 19:24 pcmC0D0c
crw-rw----+ 1 root audio 116,  4 May 16 19:24 pcmC0D0p
crw-rw----+ 1 root audio 116,  6 May 16 19:24 pcmC0D31p
crw-rw----+ 1 root audio 116,  7 May 16 19:24 pcmC0D3p
crw-rw----+ 1 root audio 116,  8 May 16 19:24 pcmC0D4p
crw-rw----+ 1 root audio 116,  9 May 16 19:24 pcmC0D5p
crw-rw----+ 1 root audio 116,  2 May 16 19:24 pcmC0D6c
crw-rw----+ 1 root audio 116,  3 May 16 19:24 pcmC0D7c
crw-rw----+ 1 root audio 116,  1 May 16 19:24 seq
crw-rw----+ 1 root audio 116, 33 May 16 19:06 timer

The sound cards as seen by the system:

arkascha@hotdog:~$ cat /proc/asound/cards 
 0 [sofhdadsp      ]: sof-hda-dsp - sof-hda-dsp
                      DellInc.-XPS139310-0TPHC1

Here are the relevant and loaded kernel modules:

arkascha@hotdog:~$ lsmod| grep sof
snd_soc_intel_sof_board_helpers    28672  1 snd_soc_skl_hda_dsp
snd_sof_probes         32768  0
snd_soc_intel_hda_dsp_common    16384  1 snd_soc_intel_sof_board_helpers
snd_sof_pci_intel_tgl    16384  0
snd_sof_pci_intel_cnl    20480  1 snd_sof_pci_intel_tgl
snd_sof_intel_hda_generic    36864  2 snd_sof_pci_intel_tgl,snd_sof_pci_intel_cnl
soundwire_intel        86016  1 snd_sof_intel_hda_generic
snd_sof_intel_hda_sdw_bpt    20480  1 soundwire_intel
snd_sof_intel_hda_common   200704  4 snd_sof_intel_hda_sdw_bpt,snd_sof_intel_hda_generic,snd_sof_pci_intel_tgl,snd_sof_pci_intel_cnl
snd_soc_hdac_hda       20480  1 snd_sof_intel_hda_common
snd_sof_intel_hda_mlink    45056  4 snd_sof_intel_hda_sdw_bpt,soundwire_intel,snd_sof_intel_hda_common,snd_sof_intel_hda_generic
snd_sof_intel_hda      24576  2 snd_sof_intel_hda_common,snd_sof_intel_hda_generic
snd_sof_pci            24576  3 snd_sof_intel_hda_generic,snd_sof_pci_intel_tgl,snd_sof_pci_intel_cnl
snd_sof_xtensa_dsp     12288  1 snd_sof_intel_hda_generic
snd_sof               438272  7 snd_sof_intel_hda_sdw_bpt,snd_sof_pci,snd_sof_intel_hda_common,snd_sof_intel_hda_generic,snd_sof_probes,snd_sof_intel_hda,snd_sof_pci_intel_cnl
snd_sof_utils          16384  1 snd_sof
snd_soc_acpi_intel_match   147456  4 snd_soc_intel_sof_board_helpers,snd_sof_intel_hda_generic,snd_sof_pci_intel_tgl,snd_sof_pci_intel_cnl
snd_soc_sdw_utils     126976  1 snd_sof_intel_hda_generic
snd_soc_acpi           16384  2 snd_soc_acpi_intel_match,snd_sof_intel_hda_generic
snd_hda_ext_core       32768  7 snd_sof_intel_hda_sdw_bpt,snd_soc_avs,snd_soc_hda_codec,snd_sof_intel_hda_common,snd_soc_hdac_hda,snd_sof_intel_hda_mlink,snd_sof_intel_hda
snd_hda_codec         212992  12 snd_hda_codec_generic,snd_soc_avs,snd_hda_codec_hdmi,snd_soc_hda_codec,snd_hda_intel,snd_soc_intel_hda_dsp_common,snd_hda_codec_realtek_lib,snd_soc_hdac_hda,snd_hda_codec_alc269,snd_sof_intel_hda,snd_soc_skl_hda_dsp,snd_hda_codec_intelhdmi
snd_hda_core          151552  14 snd_hda_codec_generic,snd_soc_avs,snd_hda_codec_hdmi,snd_soc_hda_codec,snd_hda_intel,snd_hda_ext_core,snd_hda_codec,snd_soc_intel_hda_dsp_common,snd_sof_intel_hda_common,snd_hda_codec_realtek_lib,snd_soc_hdac_hda,snd_hda_codec_alc269,snd_sof_intel_hda,snd_hda_codec_intelhdmi
snd_intel_dspcfg       45056  5 snd_soc_avs,snd_hda_intel,snd_sof,snd_sof_intel_hda_common,snd_sof_intel_hda_generic
snd_intel_sdw_acpi     16384  2 snd_intel_dspcfg,snd_sof_intel_hda_generic
snd_soc_core          446464  12 snd_soc_avs,snd_soc_hda_codec,soundwire_intel,snd_sof,snd_soc_intel_sof_board_helpers,snd_soc_sdca,snd_sof_intel_hda_common,snd_soc_sdw_utils,snd_soc_hdac_hda,snd_sof_probes,snd_soc_dmic,snd_soc_skl_hda_dsp
snd_compress           40960  3 snd_soc_avs,snd_soc_core,snd_sof_probes
snd_pcm               212992  14 snd_soc_avs,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,soundwire_intel,snd_sof,snd_soc_sdca,snd_sof_intel_hda_common,snd_compress,snd_sof_intel_hda_generic,snd_soc_core,snd_sof_utils,snd_hda_core,snd_pcm_dmaengine
snd                   147456  18 snd_ctl_led,snd_hda_codec_generic,snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_sof,snd_soc_sdca,snd_timer,snd_hda_codec_realtek_lib,snd_compress,snd_soc_sdw_utils,snd_hda_codec_alc269,snd_soc_core,snd_pcm,snd_rawmidi

Checking pipewire:

arkascha@hotdog:~$ systemctl --user status pipewire pipewire-pulse
● pipewire.service - PipeWire Multimedia Service
     Loaded: loaded (/usr/lib/systemd/user/pipewire.service; enabled; preset: enabled)
     Active: active (running) since Sat 2026-05-16 17:23:59 CEST; 13min ago
 Invocation: e8b55b01bac0404c9c085fad5a75d76d
TriggeredBy: ● pipewire.socket
   Main PID: 2697 (pipewire)
      Tasks: 3 (limit: 34609)
     Memory: 2.7M (peak: 3.1M)
        CPU: 22ms
     CGroup: /user.slice/user-1000.slice/user@1000.service/session.slice/pipewire.service
             └─2697 /usr/bin/pipewire

Mai 16 17:23:59 hotdog systemd[2600]: Started pipewire.service - PipeWire Multimedia Service.
Mai 16 17:23:59 hotdog pipewire[2697]: mod.rt: could not set nice-level to -11: Permission denied

● pipewire-pulse.service - PipeWire PulseAudio
     Loaded: loaded (/usr/lib/systemd/user/pipewire-pulse.service; enabled; preset: enabled)
    Drop-In: /home/arkascha/.config/systemd/user/pipewire-pulse.service.d
             └─fix-apparmor.conf
     Active: active (running) since Sat 2026-05-16 17:23:59 CEST; 13min ago
 Invocation: 082dfe3bcb06424f83f5f2190228ce6a
TriggeredBy: ● pipewire-pulse.socket
   Main PID: 2704 (pipewire-pulse)
      Tasks: 3 (limit: 34609)
     Memory: 3.5M (peak: 4.2M)
        CPU: 19ms
     CGroup: /user.slice/user-1000.slice/user@1000.service/session.slice/pipewire-pulse.service
             └─2704 /usr/bin/pipewire-pulse

Mai 16 17:23:59 hotdog systemd[2600]: Started pipewire-pulse.service - PipeWire PulseAudio.
Mai 16 17:23:59 hotdog pipewire-pulse[2704]: mod.rt: could not set nice-level to -11: Permission denied
Mai 16 17:30:31 hotdog pipewire-pulse[2704]: mod.protocol-pulse: [] timeout on stream 0x55ed82dd8080 channel:0

That last line looks strange to me ...

I get the same issue when checking for wireplumber:

arkascha@hotdog:~$ systemctl status wireplumber.service
○ wireplumber.service - Multimedia Service Session Manager
     Loaded: loaded (/usr/lib/systemd/system/wireplumber.service; disabled; preset: enabled)
     Active: inactive (dead)

When I try to restart that one it runs into a timeout and I see above line again in the syslog.

Every command or dialog that tries to play some sound runs into that timeout.

I created a new user account, same issue.

Update:

I discovered this in the syslog after a reboot:

2026-05-16T21:44:43.610841+02:00 hotdog systemd[4786]: pipewire.service - PipeWire Multimedia Service skipped, unmet condition check ConditionUser=!root
2026-05-16T21:44:43.610863+02:00 hotdog systemd[1]: Started session-c1.scope - Session c1 of User root.
2026-05-16T21:44:43.616096+02:00 hotdog dbus-daemon[4808]: [session uid=0 pid=4808 pidfd=5] AppArmor D-Bus mediation is enabled
2026-05-16T21:44:43.616170+02:00 hotdog systemd[4786]: Started dbus.service - D-Bus User Message Bus.
2026-05-16T21:44:43.618016+02:00 hotdog systemd[4786]: mpris-proxy.service - Bluetooth mpris proxy skipped, unmet condition check ConditionUser=!@system
2026-05-16T21:44:43.618068+02:00 hotdog systemd[4786]: wireplumber.service: Bound to unit pipewire.service, but unit isn't active.
2026-05-16T21:44:43.618100+02:00 hotdog systemd[4786]: Dependency failed for wireplumber.service - Multimedia Service Session Manager.
2026-05-16T21:44:43.618129+02:00 hotdog systemd[4786]: wireplumber.service: Job wireplumber.service/start failed with result 'dependency'.
2026-05-16T21:44:43.618145+02:00 hotdog systemd[4786]: filter-chain.service: Bound to unit pipewire.service, but unit isn't active.
2026-05-16T21:44:43.618161+02:00 hotdog systemd[4786]: Dependency failed for filter-chain.service - PipeWire filter chain daemon.
2026-05-16T21:44:43.618177+02:00 hotdog systemd[4786]: filter-chain.service: Job filter-chain.service/start failed with result 'dependency'.
2026-05-16T21:44:43.618193+02:00 hotdog systemd[4786]: pipewire-pulse.service - PipeWire PulseAudio skipped, unmet condition check ConditionUser=!root

I am a bit confused about this ... I log in as a normal user, of course, not as user 'root'.

So I used to power up by tapping a key as my system is kept in another room, recently I upgraded to a USB keyboard instead of PS2 and this feature no longer works. With the system being in another room the keyboard isn't directly connected as I have to use USB extensions which I imagine is what might be causing the issue as they act as a hub I believe.

has anyone faced similar issues, can I get it to power up with this setup or will I need to run a bit of cable and just hook the switches up instead?

zenbook duo UX8406CA with keyboard UX8406M, I saw there was an extension that goes up to gnome 49 and after i check mine, i have 50, there is a few issues i am having, bluetooth auto connect of key board, main screen touch isn't working and bottom under keyboard is acting as a touch pad for main screen when removing keyboard,any thing to recommend?

I recently configured a DHCP server in my virtual machine and it is working correctly however, i want to practice the configuration process again for an upcoming exam.

Instead of creating a new VM every time, is there a way to reset or remove the current DHCP configuration and start from scratch? I would like the VM to return to a clean dhcp configuration so I can repeat the setup multiple times for practice.

I am using Ubuntu 22.04 LTS.

I attach here a screenshot of my drive with linux min on it:

I installed without properly planning the partitioning, next to a win 11 installation. The linux root partition is woefully small and I would like to either extend it or copy it into the 336 GB ext4 that I managed to insert in the drive already and which in principle takes all my files. Is this at all possible or am I better off with installing a new copy of mint on a separate drive?

if the former, how would I go about it? My main issue is the FAT partition between the 56GB root partition and the 336 ext4 partition.

I've been using Bluetooth on a 24.04 Dell Inspriron for about a year, and it's been working quite well. All of sudden, yesterday, in the middle of a call it turned off and won't turn back on. I can't think of anything that changed, except a pending update, but here are the current particulars:

% lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 24.04.4 LTS
Release:        24.04
Codename:       noble

% uname -a
[ or 6.6.0-14-generic ]
Linux borzoi 6.8.0-11-generic #11-Ubuntu SMP PREEMPT_DYNAMIC Thu Nov 30 10:27:29 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux

% lsusb | grep Blue
Bus 001 Device 005: ID 0bda:887b Realtek Semiconductor Corp. Bluetooth Radio

% lsmod | egrep blue\|bt
btusb                  77824  0
btrtl                  36864  1 btusb
btintel                57344  1 btusb
btbcm                  24576  1 btusb
btmtk                  16384  1 btusb
bluetooth            1085440  15 btrtl,btmtk,btintel,btbcm,bnep,btusb
ecdh_generic           16384  1 bluetooth

% sudo hciconfig hci0 reset
[ 10 seconds later ]
Can't init device hci0: Connection timed out (110)

% sudo dmesg | egrep -i blue\|bt
[    2.577153] usb 1-10: Product: Bluetooth Radio
[    6.122679] Bluetooth: Core ver 2.22
[    6.122702] NET: Registered PF_BLUETOOTH protocol family
[    6.122703] Bluetooth: HCI device and connection manager initialized
[    6.122707] Bluetooth: HCI socket layer initialized
[    6.122710] Bluetooth: L2CAP socket layer initialized
[    6.122713] Bluetooth: SCO socket layer initialized
[    6.347235] usbcore: registered new interface driver btusb
[    8.370956] Bluetooth: hci0: command 0xfc61 tx timeout
[    8.370965] Bluetooth: hci0: RTL: Failed to generate devcoredump
[   11.830538] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[   11.830545] Bluetooth: BNEP filters: protocol multicast
[   11.830551] Bluetooth: BNEP socket layer initialized
[   16.434999] Bluetooth: hci0: RTL: RTL: Read reg16 failed (-110)
[48828.003196] Bluetooth: hci0: command 0xfc61 tx timeout
[48828.003229] Bluetooth: hci0: RTL: Failed to generate devcoredump
[48836.227234] Bluetooth: hci0: RTL: RTL: Read reg16 failed (-110)

% rfkill
ID TYPE      DEVICE      SOFT      HARD
 0 bluetooth hci0   unblocked unblocked
 1 wlan      phy0     blocked unblocked

% fwupdmgr update
Devices with no available firmware updates: 
 • Touch Controller Sensor
 • Integrated Webcam HD
 • TPM
 • UEFI Device Firmware
 • UEFI Device Firmware
 • UEFI dbx
Devices with the latest available firmware version:
 • BG6 KIOXIA 512GB
 • System Firmware

I've tried:

• Nuking /var/lib/bluetooth and re-installing bluez and gnome-bluetooth.
• Powering down and waiting several minutes.

The errors point to an issue with the device so my theory is that the older kernels are incompatible with the latest firmware (or the device or its firmware got fried.)

My questions are:

• Can you think of anything else that I can check or try that I haven't mentioned? The above mostly comes from the Ubuntu Bluetooth troubleshooting guide.
• Would upgrading to 26.04, so I can use a more recent kernel, be worth trying? Would there be more risk than reward in not waiting for 26.04.1 ?
• Is there a way to force reinstallation of the last firmware update, in case a bit got flipped? (Reinstalling the previous one would be even better.)

thanks

Last week I went on vacation. When I returned this week I noticed all the devices on my home network are blocked from the below sites including phone, Mac and Ubuntu server:

• ubuntu.com
• changelogs.ubuntu.com
• launchpad.net

I have a PC running Ubuntu 24.04 server. In motd it is showing:

Failed to connect to https://changelogs.ubuntu.com/meta-release-lts.
Check your Internet connection or proxy settings

I am able to connect to the above sites in phone with wifi disabled and on other networks outside my home.

I'm guessing that my IP or ISP has gotten blocked by Ubuntu during large outages over the last 2 weeks. My ISP is Metronet in Twin Cities, Minnesota. I never had issues before now.

Do you have any advice about how to fix this? I would like to upgrade my home server to 26.04, but I'm unable to do so as I am blocked.

nslookup works. ping shows 100% of packets dropped.

nslookup

nslookup ubuntu.com
Server:         127.0.0.53
Address:        127.0.0.53#53

Non-authoritative answer:
Name:   ubuntu.com
Address: 185.125.190.20
Name:   ubuntu.com
Address: 185.125.190.29
Name:   ubuntu.com
Address: 185.125.190.21

ping

 ping 185.125.190.20
PING 185.125.190.20 (185.125.190.20) 56(84) bytes of data.
^C
--- 185.125.190.20 ping statistics ---
8 packets transmitted, 0 received, 100% packet loss, time 7198ms

ping 185.125.190.29
PING 185.125.190.29 (185.125.190.29) 56(84) bytes of data.
^C
--- 185.125.190.29 ping statistics ---
6 packets transmitted, 0 received, 100% packet loss, time 5156ms

ping 185.125.190.21
PING 185.125.190.21 (185.125.190.21) 56(84) bytes of data.
^C
--- 185.125.190.21 ping statistics ---
8 packets transmitted, 0 received, 100% packet loss, time 7156ms

ping 185.125.189.223
PING 185.125.189.223 (185.125.189.223) 56(84) bytes of data.
^C
--- 185.125.189.223 ping statistics ---
16 packets transmitted, 0 received, 100% packet loss, time 15364ms

I am using Ubuntu 24.04.4 LTS in Lenovo LOQ Ryzen 7435 HS, RTX 4050. As I suspend the PC, when I wake it up, a black screen appears and no key works. I tried TTY also, but it was no help.

So I recently updated to 26.04, from 25.10. And now when I put my Laptop into sleep mode, It causes a kernel panic (Caps lock Key Flashing), and when I check the logs, It says "e1000e 0000:00:19.0 eno1: NIC Link is Down". This wasn't a problem in 25.10, until I tried 26.04's beta. That was the first instance of this error. Checking Resources, my Ethernet port uses the driver e1000e, and interface: eno1. I don't use Ethernet, I use WiFi (Specs Below)

Scoped enums were introduced towards the end of Qt5, and unscoped were deprecated in Qt6 although they were still supported, however after installing python3-pyqt6 on 24.04, I am getting errors with enums of the newer, scoped variety. If I revert these to the unscoped (and deprecated) form they work. This is creating some serious compatibility issues, and it seems crazy that only the deprecated form from a previous version is supported.

Is there a way around this?

The errors I had were in .ui files, these both caused errors when loading into the supplied QtDesigner, which then removed scoped enums on saving, and when trying to run the actual application, which produced the same sort of error about not understanding scoped enums. So maybe the issue is localized.

Also I used the package manager versions for all installations, not pip.

I have installed Ubuntu 26.04 on an external SSD. I did a full installation on it. It works fine on the computer where I installed Ubuntu, but I would like to be able to use that same SSD, plug it in an other computer, and use Ubuntu on that computer as well.

During the Ubuntu installation I opened up my computer and pulled out my internal drive, to be sure to not lose all of its data.

When I put the SSD in my second computer, and choose the SSD as boot drive, the computer starts, I see the logo of the computer, but then it goes black and then Windows starts (because the internal drive with Windows was still first in the boot order).

I have already turned off Secure Boot and Fast Boot on the second computer. I have also tried putting the SSD first in the boot sequence, but that does not work either.

The two computers I am using are:

• First computer model: Lenovo IdeaPad Slim 3 15IAH8

• Processor: Intel Core i5

• RAM: 16GB

• Graphics card: Intel UHD graphics

• Storage: 512GB SSD M.2 2242 PCIe Gen4 QLC

• Link

• Second computer model: PH Probook

• Processor: AMD Ryzen 5

• RAM: 16GB

• Graphics card: AMD Radeon graphics

• Storage: 512 GB SSD

• Link

Why would some USB drives be slower than other and is there anything that can be done about it?

Now that I am upgrading to XUbuntu26.04, I've been running some daily backups on both systems.

The time to complete the backup ranges from about 80 minutes to something close to 150 minutes. Thus far I am not finding much if any difference in timing between 24.04 and 26.04, although two years ago I did find 22.04 significantly faster on USB2 type drives. The drives I am using are USB 3.2, purchased some months back as a 10 pack so, they are probably from the same production run.

What I am noticing is that some specific drives run around 90 minutes on 24.04 and 26.04 while other drives take close to 140 minutes on 24.04 and 26.04. I am using very similar ports in both cases. The systems are identical Optiplex systems. The port is appropriate for USB 3 devices (labeld SS).

I have done some further testing then looked at the values reported by lsusb -tv Three of them reported an ID of 13FE and what I think is the manufacture (Phison Electronics). One of the drives reports asn ID of 325d. Two of them are requiring about 140 minutes, the other two required about 100 minutes. There were all purchased as Teamgroup 64GB 3.2 USB drives. The one which reports a blank manufacturer is one of the two fast drives.

I have bought a printer, an HP Envy 6500e. Although the driver is available, my notebook with Ubuntu 24.04 installed is not able to install it. It shows the printer as available, but it fails to install.
I tried with the standard Ubuntu installation procedure and using the hp-setup command.
I have also updated hp-plugin and I tried to connect the notebook to the printer through the USB cable or by Wi-Fi indicating the IP address manually.

I tried the printer using a Windows PC and Android smartphone and it works.

In all cases the printer installation failed. Any ideas?

I'm having a problem with Ubuntu 26.04 LTS. After updating from 25.10 to 26.04 beta at first then to the 26.04 LTS and it started freezing, meaning it runs for about 10 seconds and then freezes for about 0.5 seconds. I watch YouTube and it freezes regularly. I do a speed test on the website, and it freezes for 0.5 sec after around 5-10 sec. I play on Steam and it freezes, but I can hear that the graphics card isn't working at the moment—it doesn't make the same noises it normally does. When watching YouTube or running speed tests on the website, the CPU temperature is a maximum of 70 degrees Celsius, and the GPU is 30 degrees Celsius. Everything works fine except for the freezing. My question is, how can I approach this? How can I diagnose the problem? Or what could be the cause?

Command result:

lspci -k | grep -A 3 -E 'VGA|3D|Display'
03:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Navi 48 [Radeon RX 9070/9070 XT/9070 GRE] (rev c0)
    Subsystem: XFX Limited Device 8811
    Kernel driver in use: amdgpu
    Kernel modules: amdgpu

Update:

After reinstalling Ubuntu 26.04 LTS (clean install), the stutters still occur, i.e. the GPU and VRAM clock speeds drop to zero.

Best regards

Marek

I installed Ubuntu 24.04.2 LTS, the audio was working during install and after booting up for the first time. However now the audio does not work, after a second reboot it has gone. On pavucontrol the only output device is "dummy output". In the configuration section there's Renoir Radeon High Definition Audio Controller, two profiles in the menu, one for hifi ("unplugged" and "unavailable") and one for pro audio. Selecting either of them doesn't change anything.

Usually if I have audio working on this laptop the output device is called "AMD Family 17h (Models 10h-1fh) HD Audio Controller", which is not showing up in pavucontrol.

This is what I get when using sudo dmesg | grep -iE 'snd|hda|audio':

[    2.195810] snd_rn_pci_acp3x 0000:03:00.5: enabling device (0000 -> 0002)
[    2.516559] snd_hda_intel 0000:03:00.1: enabling device (0000 -> 0002)
[    2.516665] snd_hda_intel 0000:03:00.1: Handle vga_switcheroo audio client
[    2.516897] snd_hda_intel 0000:03:00.6: enabling device (0000 -> 0002)
[    2.530241] input: HD-Audio Generic HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:08.1/0000:03:00.1/sound/card0/input13
[    3.571468] snd_hda_intel 0000:03:00.6: azx_get_response timeout, switching to polling mode: last cmd=0x800f0005
[    4.575470] snd_hda_intel 0000:03:00.6: No response from codec, disabling MSI: last cmd=0x800f0005
[    5.577460] snd_hda_intel 0000:03:00.6: azx_get_response timeout, switching to single_cmd mode: last cmd=0x800f0005
[    6.622167] snd_hda_intel 0000:03:00.1: bound 0000:03:00.0 (ops amdgpu_dm_audio_component_bind_ops [amdgpu])
[    9.860588] hdaudio hdaudioC1D0: no AFG or MFG node found
[    9.860614] snd_hda_intel 0000:03:00.6: no codecs initialized

From searching for solutions online, it seems that people have had success restarting pipewire or clearing config. Neither worked for me. I've also seen people say they got their audio to work by downgrading the kernel but that this is a last resort.

Any help is appreciated. I'm not familiar with using linux so some instructions that may seem obvious/easy to follow might need extra explaining/context.

I am working on a Dell Precision 5770 laptop which has Ubuntu Jammy 20.04.3. I was able to install the realtime kernel using ubuntu pro sudo pro enable realtime-kernel and it worked fine. However, upon rebooting, I lose my wifi adapter. I've checked and disabled secure boot, as one guide suggested to do so, but it was not helpful in getting it to work. I also have tried backporting the driver but it was unsuccessful. I can go into more detail about that if anyone is curious or can help me successfully do that, if that's the solution. Running the following commands shows me the following:

$ sudo lshw -C network
*-network                 
       description: Network controller
       product: Alder Lake-P PCH CNVi WiFi
       vendor: Intel Corporation
       physical id: 14.3
       bus info: pci@0000:00:14.3
       version: 01
       width: 64 bits
       clock: 33MHz
       capabilities: bus_master cap_list
       configuration: driver=iwlwifi latency=0
       resources: iomemory:640-63f irq:16 memory:6491244000-6491247fff

Notably, this is missing a lot of the driver configuration information, the card serial, etc...

Here's some background for information

$ uname -a
Linux devrod-lap 5.15.0-1053-realtime #59-Ubuntu SMP PREEMPT_RT Fri Jan 12 20:29:00 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux

$ lsmod | grep iwlwifi
iwlwifi               458752  1 iwlmvm
cfg80211             1011712  3 iwlmvm,iwlwifi,mac80211

$ lspci -k
0000:00:14.3 Network controller: Intel Corporation Alder Lake-P PCH CNVi WiFi (rev 01)
    Subsystem: Intel Corporation Device 4090
    Kernel driver in use: iwlwifi
    Kernel modules: iwlwifi

$ rfkill list wlan
1: dell-wifi: Wireless LAN
    Soft blocked: no
    Hard blocked: no

$ iwconfig
lo        no wireless extensions.

enx4cd717671816  no wireless extensions.

enx0015ff280501  no wireless extensions.

I've been pulling my hair out for 4 days trying every solution from every forum I could find, re-installing Ubuntu fixes the problem, so I assume it's a kernel issue. I eagerly await someone to guide me to success.

I am wondering if there has been a regression with Ubuntu. Back when 18.04.3 came out, I noticed that my VM-based Ubuntu servers would no longer be able to get DHCP addresses from my Windows DHCP servers. I posted about it here.

21.10 seemed to resolve the issue, but of course, it is no longer supported. I created some more VMs with 22.04.3 and they now have the same issue. Stock install - everything seems to work, until you reboot. Then you get a 2-minute timeout and no network until you run sudo dhclient.

If I run ip a it shows the ens160 interface with an altname of enp3s0 (that's new) but no IP.

I've modified my /etc/netplan/00-installer-config.yaml to the following:

network:
  renderer: networkd
  ethernets:
    enp3s0:
      dhcp-identifier: mac
      dhcp4: true
      optional: true
  version: 2

But it still won't connect until I manually get an IP after a reboot until I do sudo dhclient. I also tried using the original ens160 in place of enp3s0 with no effect.

sudo dmesg | grep dhcp shows the following entries:

[    7.568386] audit: type=1400 audit(1668726304.016:9): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=742 comm="apparmor_parser"
[    7.568396] audit: type=1400 audit(1668726304.016:10): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/lib/NetworkManager/nm-dhcp-helper" pid=742 comm="apparmor_parser"

I know there was an AppArmor bug that caused this behavior before, and that was where the evidence was. I don't know enough about the guts of Ubuntu to say if this is normal output or not, so I have included it.

Any help is much appreciated! I'd love to be able to have new VMs not need a systemd workaround, that manually runs dhclient at startup, which is the workaround I'm using.

From this link and this link, it seems I may get the chance to recover the data using Ubuntu Live CD.
So I download the Ubuntu iso file and burn it to a blank DVD.

After I boot from the Live CD, I use the "Try Ubuntu" option, but the raw drive is not listed in "Files" directory as seen below :

After playing around what is inside the Ubuntu desktop, I found a "Disks" icon, so I double click it and it show the raw drive (orange highlighted) :
.

Based from reading in the internet, I open the terminal window and type sudo fdisk -l, and the result is below :

with red text "partition 1 does not start on physical sector boundary" at the bottom.

The CrystalDisk information result show like below:

I need help from the experts if there is a way to have Ubuntu read the raw hard drive and explore it so I can copy it to another hard drive.

Any kind of respond would be greatly appreciated.
Thank you in advanced.

PS : Sorry I forgot to mention that I've tried TestDisk from Windows 10. But it seems there is something wrong with the drive which cause it became so hot after about 3 hours of Deeper Search. So I stop it. I post this "hot" problem in the Super User SE.

I try to install mp4fpsmod on Linux 4.19.104+ x86_64 Ubuntu 18.04.3 LTS in Colab. To reproduse please copypaste these three lines into a Colab cell and hit shift+enter:

!git clone -qqq https://github.com/nu774/mp4fpsmod.git > /dev/null
!sudo apt-get update -y -qqq --fix-missing && apt-get install -y -qqq autoconf > /dev/null
!cd mp4fpsmod/ && ./bootstrap.sh && ./configure && make && strip mp4fpsmod && make install

The error in ./bootstrap.sh:

Running autoreconf...
autoreconf: Entering directory `.'
autoreconf: configure.ac: not using Gettext
autoreconf: running: aclocal --force -I m4
autoreconf: configure.ac: tracing
autoreconf: configure.ac: adding subdirectory mp4v2 to autoreconf
autoreconf: Entering directory `mp4v2'
autoreconf: running: aclocal --force 
autoreconf: configure.ac: creating directory autoaux
autoreconf: configure.ac: not using Libtool
autoreconf: running: /usr/bin/autoconf --force
configure.ac:83: error: possibly undefined macro: AC_LIBTOOL_WIN32_DLL
      If this token and others are legitimate, please use m4_pattern_allow.
      See the Autoconf documentation.
autoreconf: /usr/bin/autoconf failed with exit status: 1

Do you know what is wrong?

How do I run and debug bash script from VSCode. I have this setup in my Ubuntu machine. Is there any way to configure so that when I say run it execute the bash script?

I did install the bash debug extension but I get this error

rogalmic.bash-debug-0.3.7/bashdb_dir/command/source.sh: line 41: /dev/stdin: No such device or address

These instructions for sharing host files with a guest are not working because there is no /usr/bin/qemu-kvm.

Is there a list of Ubuntu versions with default corresponding Linux kernel versions somewhere?

I would specifically like to know the most recent version of Ubuntu that still used Linux Kernel 2.x.