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:

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.

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.

1I 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... Many thanks!

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)

Since a few months Lubuntu (based on Ubuntu 25.04 plucky) freezes when I try to edit on tinkercad.com in Firefox.

I checked the system logging, and I discovered the following errors:

radeon 0000:00:01.0: ring 3 stalled for more than x msec

radeon 0000:00:01.0: GPU lockup

where x > 10000

I have an 12-years old machine with a Radeon HD 8330 GPU. Have the drivers been updated recently? Is that likely for a 12-years old GPU?

I started a previous kernel in Linux (6.14.0-36-generic), but the system kept freezing. So the cause is not a new kernel. Then I started the troubleshoot mode in Firefox and my system kept running. So I turned of hardware acceleration in the settings and restarted Firefox. My machine stayed stable. So I presumed the cause is the hardware acceleration. First I thought of a bug in Firefox, but the developpers at Mozilla didn't have a clue.

On reddit I got the advice to run Bodhi 7.0 HWE. Last week I made some time and tried Bodhi 7.0 HWE from a stick. Tinkercad gave no problem at all in Firefox. I worked with it for over an hour and no freezes. So I can rule out both Firefox AND hardware problems!

That leaves only the grapics driver or other parts of the OS as the cause. Does anyone have an idea where to look from here?

I am running Proxmox inside VMware Workstation. I uploaded an Ubuntu ISO and created two VMs. My goal is to have these VMs stay in sync: any change made in VM1 should automatically appear in VM2, and vice versa.

To achieve this, I installed Syncthing. However, it is difficult to add all the directories in the ui syncyhng , so if someone knowhow to let 2 vm's can sync each others , give it yo me .

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.

My keyboard has 4 dedicated media keys (play pause previous next). I never use these for their intended function, preferring instead a shell command or clicking a GUI icon. I'd like to use them to run arbitrary shell commands instead. I'm using Ubuntu 26.04/Wayland. In GNOME Settings I can go to Keyboard / View and Customize Shortcuts / Custom Shortcuts and add a shortcut. I can give the new shortcut a name, a shell command with arguments and press a key combination to associate with the command. The interface here will let me add shortcuts for any of the media keys.

But when I then press the selected key, it won't run my command but instead temporarily draws a circle with a diagonal line as if to say "forbidden". Strangely enough, it will run my command for the AudioNext key, but not for the 3 other media keys. (It works for the 3 other keys if add a modifier like Shift). So how does one add a shell command to be run for the Play/Stop/AudioPrev keys without a modifier?

Ubuntu is my primary os i dont have any dual boot set up i only have NVIDIA GeForce MX230 graphics card

previously when the system goes to auto sleep there was not any problem but from yesterday everytime auto sleep occurs the system freezen in the opening screen and i have to force it to perform a hard reset everytime for it to work again

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

During the instalment of Ubuntu 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 order but that also does not work.

The two computer I am using are:
First computer: Lenovo IdeaPad Slim 3 15IAH8 Processor: Intel I5 core RAM: 16GB Graphicscard: Intel UHD Graphics Link: https://www.lenovo.com/be/nl/p/laptops/ideapad/ideapad-300/lenovo-ideapad-slim-3i-gen-10-15-inch-intel/len101i0112

Second computer: PH Probook Processor: AMD Ryzen 5 RAM: 16GB Graphicscard: AMD Radeon Graphics Link: https://www.bol.com/be/nl/p/hp-pro-x360-435-g10-amd-ryzen-5-7530u-hybride-33-8-cm-touchscreen-full-hd-16-gb-ddr4-sdram-512-gb-ssd-wi-fi-6-windows-11-pro-zilver/9300000149930544/?Referrer=ADVNLYAH002013-XKFJCN726SC6A-9300000149930544&msclkid=f359ae5027e81fcd7be2c4585381df5a

edit: my question is detailed enough to see it's not about how to install Firefox with the deb package, I've already edited it to follow someone's advice and have no idea what I should add.

Environment

• OS: Ubuntu 26.04 LTS (fresh install, last LTS)
• Hardware: AMD-powered laptop [Lenovo IdeaPad-Slim-5-15ARP1]
• Session: Wayland
• Firefox: installed from Mozilla APT repository (removed snap first)
• Thunderbird: installed from Mozilla APT repository (works, but shows warning)

What I did

1. Installed Ubuntu 24.04 LTS on a new laptop
2. Removed the preinstalled Firefox and Thunderbird snaps
3. Followed the official Mozilla instructions to add the Mozilla APT repository and install the .deb builds
4. Thunderbird launches normally
5. Firefox fails to start

Expected behavior

Both Firefox and Thunderbird should start normally from the APT packages, as on previous Ubuntu releases.

Actual behavior

• Firefox: crashes instantly and sometimes shows the Mozilla Crash Reporter instead of a browser window
• Thunderbird: starts, but prints a sandbox warning in terminal

Terminal output

Firefox:

[16570] Sandbox: CanCreateUserNamespace() unshare(CLONE_NEWPID): EPERM
[16567] Wayland Proxy [0x7bc5c6587010] Error: StartProxyServer(): bind() error : Permission non accordée
[Parent 16567, Main Thread] WARNING: Error: GDBus.Error:org.freedesktop.DBus.Error.AccessDenied: An AppArmor policy prevents this sender from sending this message to this recipient; type="method_call", sender=":1.170" (uid=1000 pid=16567 comm="/usr/lib/firefox/firefox" label="firefox (enforce)") interface="org.gtk.vfs.Metadata" member="GetTreeFromDevice" error name="(unset)" requested_reply="0" destination=":1.75" (uid=1000 pid=3497 comm="/usr/libexec/gvfsd-metadata" label="unconfined")
: 'glib warning', file toolkit/xre/nsSigHandlers.cpp:201

Followed by multiple additional warning paragraphs.

Thunderbird:

Sandbox: CanCreateUserNamespace() unshare(CLONE_NEWPID): EPERM

What I've already checked

• Both applications were installed using the exact steps from the official Mozilla website for Ubuntu
• Thunderbird works despite the sandbox warning, Firefox does not
• Errors mention AppArmor (label="firefox (enforce)"), Wayland proxy bind permission, and unshare(CLONE_NEWPID): EPERM

Question

How do I fix the Firefox startup crash on Ubuntu 24.04 after replacing the snap with the Mozilla APT build? Is this caused by the new AppArmor user namespace restrictions, the Wayland sandbox, or a missing permission, and what is the correct way to allow Firefox to create its sandbox without reverting to the snap?

Attempt n°1: create an apparmor profile for the new Firefox installation.

I've looked for an example and copied a profile suggested on Reddit. It did not change the outcome:

sudo systemctl restart apparmor.service
[sudo: authenticate] Mot de passe :    
Warning: The unit file, source configuration file or drop-ins of apparmor.service changed on disk. Run 'systemctl daemon-reload' to reload units.
rei@rei-IdeaPad-Slim-5-15ARP10:~$ systemctl daemon-reload
rei@rei-IdeaPad-Slim-5-15ARP10:~$ firefox
[263254] Sandbox: CanCreateUserNamespace() unshare(CLONE_NEWPID): EPERM
[263251] Wayland Proxy [0x702f53186570] Error: StartProxyServer(): bind() error : Permission non accordée

On ubuntu 26.04 (revolute), I have some troubles with camera/webcame for Dell Latitude 73640. On the live USB of UBUNTU, camera is working. But not after installation...

Here after a short diagnosis of what is available on the live :

dpkg -l | grep -Ei 'ipu|ivsc|camera|libcamera|pipewire|portal|v412'    

ii  accountsservice                            23.13.9-8ubuntu5                           amd64        query and manipulate user account information
    ii  bpftool                                    7.7.0+7.0.0-14.14                          amd64        Inspection and simple manipulation of BPF programs and maps
    ii  bubblewrap                                 0.11.1-1                                   amd64        utility for unprivileged chroot and namespace manipulation
    ii  cups-ppdc                                  2.4.16-1ubuntu1                            amd64        Common UNIX Printing System(tm) - PPD manipulation utilities
    ii  gnome-remote-desktop                       50.0-0ubuntu2                              amd64        Remote desktop daemon for GNOME using PipeWire
    ii  gstreamer1.0-libcamera:amd64               0.7.0-1ubuntu2                             amd64        complex camera support library (GStreamer plugin)
    ii  gstreamer1.0-pipewire:amd64                1.6.2-1ubuntu1                             amd64        GStreamer 1.0 plugin for the PipeWire multimedia server
    ii  iputils-ping                               3:20250605-1ubuntu1                        amd64        Tools to test the reachability of network hosts
    ii  iputils-tracepath                          3:20250605-1ubuntu1                        amd64        Tools to trace the network path to a remote host
    ii  libaccountsservice0:amd64                  23.13.9-8ubuntu5                           amd64        query and manipulate user account information - shared libraries
    ii  libblockdev3:amd64                         3.4.0-1                                    amd64        Library for manipulating block devices
    ii  libcamera-ipa:amd64                        0.7.0-1ubuntu2                             amd64        complex camera support library (IPA modules)
    ii  libcamera0.7:amd64                         0.7.0-1ubuntu2                             amd64        complex camera support library
    ii  libexiv2-28:amd64                          0.28.8+dfsg-1                              amd64        EXIF/IPTC/XMP metadata manipulation library
    ii  libexiv2-data                              0.28.8+dfsg-1                              all          EXIF/IPTC/XMP metadata manipulation library - shared data
    ii  libgphoto2-6t64:amd64                      2.5.33-1ubuntu1                            amd64        gphoto2 digital camera library
    ii  libgphoto2-l10n                            2.5.33-1ubuntu1                            all          gphoto2 digital camera library - localized messages
    ii  libgphoto2-port12t64:amd64                 2.5.33-1ubuntu1                            amd64        gphoto2 digital camera port library
    ii  libisl23:amd64                             0.27-1build1                               amd64        manipulating sets and relations of integer points bounded by linear constraints
    ii  libjansson4:amd64                          2.14-2build4                               amd64        C library for encoding, decoding and manipulating JSON data
    ii  libjson-c5:amd64                           0.18+ds-3                                  amd64        JSON manipulation library - shared library
    ii  libjson-glib-1.0-0:amd64                   1.10.8+ds-2                                amd64        GLib JSON manipulation library
    ii  libjson-glib-1.0-common                    1.10.8+ds-2                                all          GLib JSON manipulation library (common files)
    ii  libmailtools-perl                          2.22-1                                     all          modules to manipulate email in perl programs
    ii  liboeffis1:amd64                           1.5.0-3                                    amd64        RemoteDesktop portal DBus helper library
    ii  libparted-fs-resize0t64:amd64              3.6-6                                      amd64        disk partition manipulator - shared FS resizing library
    ii  libparted2t64:amd64                        3.6-6                                      amd64        disk partition manipulator - shared library
    ii  libpipeline1:amd64                         1.5.8-2                                    amd64        Unix process pipeline manipulation library
    ii  libpipewire-0.3-0t64:amd64                 1.6.2-1ubuntu1                             amd64        libraries for the PipeWire multimedia server
    ii  libpipewire-0.3-common                     1.6.2-1ubuntu1                             all          libraries for the PipeWire multimedia server - common files
    ii  libpipewire-0.3-modules:amd64              1.6.2-1ubuntu1                             amd64        libraries for the PipeWire multimedia server - modules
    ii  libpixman-1-0:amd64                        0.46.4-1                                   amd64        pixel-manipulation library for X and cairo
    ii  libportal-gtk3-1:amd64                     0.9.1-2build1                              amd64        Flatpak portal library for GTK 3 GUIs
    ii  libportal-gtk4-1:amd64                     0.9.1-2build1                              amd64        Flatpak portal library for GTK 4 GUIs
    ii  libportal1:amd64                           0.9.1-2build1                              amd64        Flatpak portal library - non-GUI part
    ii  libsepol2:amd64                            3.9-2                                      amd64        SELinux library for manipulating binary security policies
    ii  libspa-0.2-bluetooth:amd64                 1.6.2-1ubuntu1                             amd64        libraries for the PipeWire multimedia server - bluetooth plugins
    ii  libspa-0.2-libcamera:amd64                 1.6.2-1ubuntu1                             amd64        libraries for the PipeWire multimedia server - libcamera plugin
    ii  libspa-0.2-modules:amd64                   1.6.2-1ubuntu1                             amd64        libraries for the PipeWire multimedia server Simple Plugin API - modules
    ii  libtimedate-perl                           2.3300-2                                   all          collection of modules to manipulate date/time information
    ii  liburi-perl                                5.34-2build1                               all          module to manipulate and access URI strings
    ii  libvolume-key1:amd64                       0.3.12-10build2                            amd64        Library for manipulating storage encryption keys and passphrases
    ii  libxkbfile1:amd64                          1:1.1.0-1build5                            amd64        X11 keyboard file manipulation library
    ii  linux-firmware-intel-graphics              20260319.git217ca6e4-0ubuntu2              all          Firmware for Intel graphics and IPU and VSC processors
    ii  mokutil                                    0.7.2-2                                    amd64        tools for manipulating machine owner keys
    ii  mount                                      2.41.3-3ubuntu2                            amd64        tools for mounting and manipulating filesystems
    ii  parted                                     3.6-6                                      amd64        disk partition manipulator
    ii  pipewire:amd64                             1.6.2-1ubuntu1                             amd64        audio and video processing engine multimedia server
    ii  pipewire-alsa:amd64                        1.6.2-1ubuntu1                             amd64        PipeWire ALSA plugin, for ALSA applications to output via PipeWire
    ii  pipewire-audio                             1.6.2-1ubuntu1                             all          recommended set of PipeWire packages for a standard audio desktop use
    ii  pipewire-bin                               1.6.2-1ubuntu1                             amd64        PipeWire multimedia server - programs
    ii  pipewire-pulse                             1.6.2-1ubuntu1                             amd64        PipeWire PulseAudio daemon
    ii  python3-jaraco.text                        4.0.0-1build1                              all          jaraco text manipulation functions
    ii  python3-lazr.uri                           1.0.6-7build1                              all          library for parsing, manipulating, and generating URIs
    ii  python3-netaddr                            1.3.0-1build1                              all          manipulation of various common network address notations (Python 3)
    ii  python3-xkit                               0.5.0ubuntu8                               all          library for the manipulation of xorg.conf files (Python 3)
    ii  sbsigntool                                 0.9.4-3.1ubuntu9                           amd64        Tools to manipulate signatures on UEFI binaries and drivers
    ii  udisks2                                    2.10.91-1ubuntu2                           amd64        D-Bus service to access and manipulate storage devices
    ii  wireplumber                                0.5.13-1ubuntu1                            amd64        modular session / policy manager for PipeWire
    ii  xdg-desktop-portal                         1.21.1+ds-1ubuntu3                         amd64        desktop integration portal for Flatpak and Snap
    ii  xdg-desktop-portal-gnome                   50.0-0ubuntu1                              amd64        GNOME portal backend for xdg-desktop-portal
    ii  xdg-desktop-portal-gtk                     1.15.3-2ubuntu1                            amd64        GTK+/GNOME portal backend for xdg-desktop-portal
    ii  xorriso                                    1:1.5.6-1.1ubuntu4                         amd64        command line ISO-9660 and Rock Ridge manipulation tool

And

lsmod | grep -Ei 'iup|ivsc|v4l2|uvc'
videobuf2_v4l2         36864  1 intel_ipu6_isys
videobuf2_common       90112  4 videobuf2_v4l2,intel_ipu6_isys,videobuf2_dma_sg,videobuf2_memops
ivsc_ace               16384  0
ivsc_csi               12288  3
mei                   184320  10 ivsc_ace,mei_hdcp,mei_pxp,ivsc_csi,mei_vsc,mei_me
ipu_bridge             24576  3 intel_ipu6,ivsc_csi,intel_ipu6_isys
v4l2_fwnode            40960  8 hi556,ivsc_csi,intel_ipu6_isys
v4l2_async             32768  4 v4l2_fwnode,hi556,ivsc_csi,intel_ipu6_isys
videodev              376832  16 v4l2_async,v4l2_fwnode,hi556,videobuf2_v4l2,ivsc_csi,intel_ipu6_isys
mc                     90112  10 v4l2_async,videodev,snd_usb_audio,hi556,videobuf2_v4l2,ivsc_csi,intel_ipu6_isys,videobuf2_common

And to complete

sudo dmesg | grep -Ei 'iup|ivsc|camera|sensor|ov'
[    0.000000] BIOS-provided physical RAM map:
[    0.000000] efi: Remove mem99: MMIO range=[0xc0000000-0xcfffffff] (256MB) from e820 map
[    0.000000] e820: remove [mem 0xc0000000-0xcfffffff] device reserved
[    0.000000] efi: Remove mem100: MMIO range=[0xf9800000-0xf9ffffff] (8MB) from e820 map
[    0.000000] e820: remove [mem 0xf9800000-0xf9ffffff] device reserved
[    0.000000] efi: Remove mem102: MMIO range=[0xff000000-0xffffffff] (16MB) from e820 map
[    0.000000] e820: remove [mem 0xff000000-0xffffffff] device reserved
[    0.000011] e820: remove [mem 0x000a0000-0x000fffff] System RAM
[    0.009607] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
[    0.009609] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[    0.009704] Movable zone start for each node
[    0.115649] thermal_sys: Registered thermal governor 'fair_share'
[    0.115649] thermal_sys: Registered thermal governor 'bang_bang'
[    0.115649] thermal_sys: Registered thermal governor 'step_wise'
[    0.115649] thermal_sys: Registered thermal governor 'user_space'
[    0.115649] thermal_sys: Registered thermal governor 'power_allocator'
[    0.115649] cpuidle: using governor ladder
[    0.115649] cpuidle: using governor menu
[    0.653235] NetLabel:  protocols = UNLABELED CIPSOv4 CALIPSO
[    0.826156] fbcon: Deferring console take-over
[    0.840610] Key type fscrypt-provisioning registered
[    1.839677] hid-generic 001F:8087:0AC2.0002: hidraw1: SENSOR HUB HID v2.00 Device [hid-ishtp 8087:0AC2] on 
[    1.854131] hid-generic 001F:8087:0AC2.0003: hidraw2: SENSOR HUB HID v2.00 Device [hid-ishtp 8087:0AC2] on 
[    1.866426] hid-generic 001F:8087:0AC2.0004: hidraw3: SENSOR HUB HID v2.00 Device [hid-ishtp 8087:0AC2] on 
[    1.873646] hid-generic 001F:8087:0AC2.0005: hidraw4: SENSOR HUB HID v2.00 Device [hid-ishtp 8087:0AC2] on 
[    1.878387] hid-sensor-hub 001F:8087:0AC2.0002: hidraw1: SENSOR HUB HID v2.00 Device [hid-ishtp 8087:0AC2] on 
[    1.879948] hid-sensor-hub 001F:8087:0AC2.0003: hidraw2: SENSOR HUB HID v2.00 Device [hid-ishtp 8087:0AC2] on 
[    1.881466] hid-sensor-hub 001F:8087:0AC2.0004: hidraw3: SENSOR HUB HID v2.00 Device [hid-ishtp 8087:0AC2] on 
[    1.882495] hid-sensor-hub 001F:8087:0AC2.0005: hidraw4: SENSOR HUB HID v2.00 Device [hid-ishtp 8087:0AC2] on 
[    2.127658] usb 2-1.3: Manufacturer: Lenovo
[    3.067688] raid6: using avx2x2 recovery algorithm
[    3.866954] sd 0:0:0:0: [sda] Attached SCSI removable disk
[    4.808951] overlayfs: null uuid in non-single lower fs '/', falling back to xino=off,index=off,nfs_export=off.
[    5.254541] EXT4-fs (sda4): recovery complete
[    5.773359] evm: overlay not supported
[   14.550372] systemd[1]: /usr/lib/systemd/system/xfs_scrub_all.service:26: Support for option CPUAccounting= has been removed and it is ignored
[   14.550782] systemd[1]: /usr/lib/systemd/system/system-xfs_scrub.slice:15: Support for option CPUAccounting= has been removed and it is ignored
[   16.866612] RAPL PMU: API unit is 2^-32 Joules, 4 fixed counters, 655360 ms ovfl timer
[   17.174889] fbcon: Deferring console take-over
[   29.575149] pci 0000:00:05.0: Found supported sensor INT3537:00
[   29.575381] pci 0000:00:05.0: Connected 1 cameras
[   29.760132] hi556 i2c-INT3537:00: supply dovdd not found, using dummy regulator

And

systemctl --user --no-pager | grep -E 'pipewire|portal|wireplumber'
  pipewire-pulse.service                                                                                                                                              loaded active     running         PipeWire PulseAudio
  pipewire.service                                                                                                                                                    loaded active     running         PipeWire Multimedia Service
  wireplumber.service                                                                                                                                                 loaded active     running         Multimedia Service Session Manager
  xdg-desktop-portal-gnome.service                                                                                                                                    loaded active     running         Portal service (GNOME implementation)
  xdg-desktop-portal-gtk.service                                                                                                                                      loaded active     running         Portal service (GTK/GNOME implementation)
  xdg-desktop-portal.service                                                                                                                                          loaded active     running         Portal service
  xdg-document-portal.service                                                                                                                                         loaded active     running         flatpak document portal service
  pipewire-pulse.socket                                                                                                                                               loaded active     running         PipeWire PulseAudio
  pipewire.socket                                                                                                                                                     loaded active     running         PipeWire Multimedi

After the installation on the PC, the cam -l retunr the follwoing results :

WIth the command cam -l

cam -l
[0:07:40.546835667] [10325]  INFO Camera camera_manager.cpp:340 libcamera v0.7.0
[0:07:40.564887582] [10333]  WARN CameraSensor camera_sensor_legacy.cpp:355 'hi556 15-0020': Recommended V4L2 control 0x009a0922 not supported
[0:07:40.564931589] [10333]  WARN CameraSensor camera_sensor_legacy.cpp:427 'hi556 15-0020': The sensor kernel driver needs to be fixed
[0:07:40.564938308] [10333]  WARN CameraSensor camera_sensor_legacy.cpp:429 'hi556 15-0020': See Documentation/sensor_driver_requirements.rst in the libcamera sources for more information
[0:07:40.565146356] [10333]  WARN CameraSensorProperties camera_sensor_properties.cpp:548 No static properties available for 'hi556'
[0:07:40.565153890] [10333]  WARN CameraSensorProperties camera_sensor_properties.cpp:550 Please consider updating the camera sensor properties database
[0:07:40.565158322] [10333]  WARN CameraSensor camera_sensor_legacy.cpp:595 'hi556 15-0020': Failed to retrieve the camera location
[0:07:40.565162437] [10333]  WARN CameraSensor camera_sensor_legacy.cpp:617 'hi556 15-0020': Rotation control not available, default to 0 degrees
[0:07:40.565168593] [10333]  WARN CameraSensor camera_sensor_legacy.cpp:502 'hi556 15-0020': No sensor delays found in static properties. Assuming unverified defaults.
[0:07:40.566589384] [10333]  WARN IPAProxy ipa_proxy.cpp:192 Configuration file 'hi556.yaml' not found for IPA module 'simple', falling back to '/usr/share/libcamera/ipa/simple/uncalibrated.yaml'
[0:07:40.566616685] [10333]  WARN IPASoft soft_simple.cpp:104 IPASoft: Failed to create camera sensor helper for hi556
[0:07:40.566813437] [10333]  INFO Camera camera_manager.cpp:223 Adding camera '\_SB_.PC00.LNK1' for pipeline handler simple
Available cameras:
1: 'hi556' (\_SB_.PC00.LNK1)

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?

A fresh installation of Kubuntu 26.04 does not recognize the 16 GB eMMC drive. I did not have this problem with other releases with the same specs. This is a Dell Chromebook P22T Bay Trail in which I run Kubuntu 24.04 and Kubuntu 25.10.

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.

My PDF thumbnails on the desktop have reverted to Adobe icons.

I have Evince installed and I am confident that the thumbnails are being generated because thumbnails show up in the Nautilus window for the desktop folder.

Two out of a dozen or more thumbnails are displayed on the desktop, as in this screenshot, so there's hope that something is working correctly, just not everything. One pdf link displays a thumbnail, one an icon.

I tried clearing out the thumbnail cache. They regenerate perfectly and display in Nautilus, but not on the desktop.

I tried switching my default PDF reader from Evince/Document View to Okular (my preferred viewer) and back with reboots in between.

This used to work fine, and stopped working after updates.

I am running Ubuntu 24.10 on a Dell XPS 13 and everything is up to date. I'm not a newbie but I'm not deeply into the technical details, so please give suggestion without assuming too much technical knowledge here.

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.

From How to easily resize images via command-line? I know I can use this command to resize an image in bash:

convert -resize 1024X768  source.png dest.jpg

But I'm stuck at only providing the width and keeping the aspect ratio.

man convert does not provide any help for -resize flag.

I want something like convert -resize 1024 -keep-ratio source.png dest.png

What would be the command?

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.

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

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.