I'm new to Linux, but haven't struggled with an issue like this. A few minutes after restarting today, I noticed my Left and Up Arrow keys behaving weirdly, and, after some research, tried running the evtest command. It failed to install the first time, and after some time looking into that, then other possible solutions, followed by a restart (upon which I found the issue persisted), I tried again, and when first successfully running the command, it displayed the expected inputs for Left Arrow and Up Arrow.

I thought this was weird, and, in the process of writing a question here, realised the inputs were, in fact, normal, and the issue seemed to have resolved itself, so I deleted the drafted question and hoped for the best.

But a few minutes later, somehow, it's back, and this time, when running the evtest command, I did get something else:

Properties:
Testing ... (interrupt to exit)
Event: time 1781003817.237160, type 4 (EV_MSC), code 4 (MSC_SCAN), value c00b5
Event: time 1781003817.237160, type 1 (EV_KEY), code 163 (KEY_NEXTSONG), value 1
Event: time 1781003817.237160, -------------- SYN_REPORT ------------
“”^[[24~Event: time 1781003817.293081, type 4 (EV_MSC), code 4 (MSC_SCAN), value c00b5
Event: time 1781003817.293081, type 1 (EV_KEY), code 163 (KEY_NEXTSONG), value 0
Event: time 1781003817.293081, -------------- SYN_REPORT ------------
Event: time 1781003818.093134, type 4 (EV_MSC), code 4 (MSC_SCAN), value c00b5
Event: time 1781003818.093134, type 1 (EV_KEY), code 163 (KEY_NEXTSONG), value 1
Event: time 1781003818.093134, -------------- SYN_REPORT ------------
“”Event: time 1781003818.205096, type 4 (EV_MSC), code 4 (MSC_SCAN), value c00b5
Event: time 1781003818.205096, type 1 (EV_KEY), code 163 (KEY_NEXTSONG), value 0
Event: time 1781003818.205096, -------------- SYN_REPORT ------------

Event: time 1781003823.957103, type 4 (EV_MSC), code 4 (MSC_SCAN), value c0194
Event: time 1781003823.957103, type 1 (EV_KEY), code 144 (KEY_FILE), value 1
Event: time 1781003823.957103, -------------- SYN_REPORT ------------
^[^[^[\^[[1;3S^[g^[h^[[17;3~Event: time 1781003824.021127, type 4 (EV_MSC), code 4 (MSC_SCAN), value c0194
Event: time 1781003824.021127, type 1 (EV_KEY), code 144 (KEY_FILE), value 0
Event: time 1781003824.021127, -------------- SYN_REPORT ------------
Event: time 1781003824.629021, type 4 (EV_MSC), code 4 (MSC_SCAN), value c0194
Event: time 1781003824.629021, type 1 (EV_KEY), code 144 (KEY_FILE), value 1
Event: time 1781003824.629021, -------------- SYN_REPORT ------------
^[^[^[\^[[1;3S^[g^[h^[[17;3~Event: time 1781003824.685136, type 4 (EV_MSC), code 4 (MSC_SCAN), value c0194
Event: time 1781003824.685136, type 1 (EV_KEY), code 144 (KEY_FILE), value 0
Event: time 1781003824.685136, -------------- SYN_REPORT ------------

The first two sets of events are Left Arrow, the second two are Up Arrow. I should note that Left Arrow also occasionally opens the Context Menu, as if I had pressed Right Mouse Button. These two keys are the only ones behaving oddly, and, while briefly testing another keyboard, its own worked just fine, despite both keyboards being plugged in and tested at the same time (unfortunatly, I can't use the other keyboard for more than testing, as a few of its keys have stopped working altogether).

I'm running Ubuntu 26.04 LTS.

I am using Ubuntu 24.04 LTS. I have a directory located at ~/Documents/myfiles/....

About one day ago, this directory contained at least seven subdirectories with various files, mainly .odt (LibreOffice), .doc documents, and some source code files such as C++ headers and implementation files (.h, .cpp), as well as Java classes.

Yesterday, I closed my laptop without shutting it down, and it remained in sleep mode for about a day. When I opened it today, I noticed that almost all files and folders inside that directory had disappeared.

I am confident that no one else had access to this laptop during that time.
There is more than enough free space.

I would like to understand how this could have happened. Is there any way to track file or folder deletion history in Ubuntu? I checked the history command, but I did not find any commands such as rm or anything that would indicate manual deletion.

Starting around May 13-20, 2026, every time I wake my Ubuntu 24.04 machine from sleep or log in after a restart, I have to enter my password 2-3 times before it finally accepts it. The login screen seems to accept it, then immediately re-prompts. It's been consistent ever since.

Looking at the logs, I see this on every login:

gdm-password: gkr-pam: unable to locate daemon control file

gdm-password: gkr-pam: stashed password to try later in open session

I found some older Ask Ubuntu answers about this (How to solve: gkr-pam: unable to locate daemon control file? The login keyring did not get unlocked when you logged into your computer), but they're from 2010-2020 and mostly suggest PAM config tweaks that feel outdated. Has anyone else hit this recently? Any modern solutions?

On installing Ubuntu Studio 26.04 from scratch, I ended-up with an unusable system due to the screen getting scrambled+lockup at random moments several times per day. I have likewise experience on Ubuntu 25.10. This scramble+lockup was not there on earlier versions. HW has - amongst others - a Geforce RTX card driving my monitor. Googling around suggests that there is an incompatibility-issue against wayland. Before I ditch this (not exactly cheap) video-card, what options do I have? I know that I can workaround back to Xorg to some point, however, that can only be a temp workaround as all distro's seem to be forced to move to wayland. So Xorg is likely to become a narrower path every day.

I'm running ubuntu desktop 24.04.4 LTS on x64 bare metal.

#apt install debuginfod delivered version 0.190-1

I want the debug symbols, but I am not using gdb.

I export DEBUGINFOD_URLS="debuginfod.ubuntu.com".

But when I run debuginfod, it just hangs after printing some startup messages (last one is "groomed database in xxxs) but no errors or warnings.

ping debuginfod.ubuntu.com is successful, and browsing to http://debuginfod.ubuntu.com redirects to https://ubuntu.com/server/docs/how-to/debugging/about-debuginfod/ , so it seems the server is alive.

Any suggestions?

I lost my mobile and to recover my email, gallery, etc., which was synchronised with my Gmail account, but Gmail is asking for my G-code/OTP, which was sent to my lost number sms so how to retrieve

Yesterday I upgraded from Ubuntu 24.04.3 LTS to 26.04 LTS and whenever I boot, after the BIOS screen, the video output stops. My monitor says no video. I had a similar problem with this computer about 6 months ago when I tried to upgrade to the latest non-LTS version for a brand new RTX 5000 graphics card, which I ended up returning and reinstalled 24.04.3 LTS. I am surprised this issue has not been fixed in the LTS release. My hardware is ASUS TUF Gaming X570-Plus WiFi, Ryzen 5 5600X, XFX Radeon HD 7870.

Referring to @Mausy5043 in another post.

My mousepad is not working correctly (not responding always). It's been progressive and if I force it, pushing stronger, it may work but getting worse

Does this help:

`⎜   ↳ DELL0A71:00 04F3:317E Touchpad            id=11   [slave  pointer  (2)]`

`Device 'DELL0A71:00 04F3:317E Touchpad':
        Device Enabled (200):   1
        Coordinate Transformation Matrix (202): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
        libinput Tapping Enabled (362): 0
        libinput Tapping Enabled Default (363): 0
        libinput Tapping Drag Enabled (364):    1
        libinput Tapping Drag Enabled Default (365):    1
        libinput Tapping Drag Lock Enabled (366):       0
        libinput Tapping Drag Lock Enabled Default (367):       0
        libinput Tapping Button Mapping Enabled (368):  1, 0
        libinput Tapping Button Mapping Default (369):  1, 0
        libinput Natural Scrolling Enabled (333):       0
        libinput Natural Scrolling Enabled Default (334):       0
        libinput Disable While Typing Enabled (370):    1
        libinput Disable While Typing Enabled Default (371):    1
        libinput Scroll Methods Available (335):        1, 1, 0
        libinput Scroll Method Enabled (336):   1, 0, 0
        libinput Scroll Method Enabled Default (337):   1, 0, 0
        libinput Click Methods Available (372): 1, 1
        libinput Click Method Enabled (373):    1, 0
        libinput Click Method Enabled Default (374):    1, 0
        libinput Clickfinger Button Mapping Enabled (375):      1, 0
        libinput Clickfinger Button Mapping Default (376):      1, 0
        libinput Middle Emulation Enabled (342):        0
        libinput Middle Emulation Enabled Default (343):        0
        libinput Accel Speed (344):     1.000000
        libinput Accel Speed Default (345):     0.000000
        libinput Accel Profiles Available (346):        1, 1, 1
        libinput Accel Profile Enabled (347):   1, 0, 0
        libinput Accel Profile Enabled Default (348):   1, 0, 0
        libinput Accel Custom Fallback Points (349):    <no items>
        libinput Accel Custom Fallback Step (350):      0.000000
        libinput Accel Custom Motion Points (351):      <no items>
        libinput Accel Custom Motion Step (352):        0.000000
        libinput Accel Custom Scroll Points (353):      <no items>
        libinput Accel Custom Scroll Step (354):        0.000000
        libinput Left Handed Enabled (355):     0
        libinput Left Handed Enabled Default (356):     0
        libinput Send Events Modes Available (318):     1, 1
        libinput Send Events Mode Enabled (319):        0, 0
        libinput Send Events Mode Enabled Default (320):        0, 0
        Device Node (321):      "/dev/input/event4"
        Device Product ID (322):        1267, 12670
        libinput Drag Lock Buttons (357):       <no items>
        libinput Horizontal Scroll Enabled (358):       1
        libinput Scrolling Pixel Distance (359):        15
        libinput Scrolling Pixel Distance Default (360):        15
        libinput High Resolution Wheel Scroll Enabled (361):    1`

`I: Bus=0018 Vendor=04f3 Product=317e Version=0100
N: Name="DELL0A71:00 04F3:317E Touchpad"
P: Phys=i2c-DELL0A71:00
S: Sysfs=/devices/pci0000:00/0000:00:15.1/i2c_designware.1/i2c-1/i2c-DELL0A71:00/0018:04F3:317E.0001/input/input9
U: Uniq=
H: Handlers=mouse1 event4 
B: PROP=5
B: EV=1b
B: KEY=e520 10000 0 0 0 0
B: ABS=2e0800000000003
B: MSC=20
`

I'm not sure if this could only be a question of maintenance in fact but before that I'd like to check whether I can solve it technically.

More information using journalctl:

Jun 08 16:47:01 xxxxxx-dellg155511 kcminit_startup[2608]: kcm_touchpad: Using X11 backend Jun 08 16:47:01 xxxxxx-dellg155511 kded6[2628]: kcm_touchpad: Using X11 backend Jun 08 16:48:18 xxxxxx-dellg155511 systemsettings[3164]: kcm_touchpad: Using X11 backend Jun 08 17:13:22 xxxxxx-dellg155511 kded6[4164]: kcm_touchpad: Using X11 backend Jun 08 17:14:38 xxxxxx-dellg155511 kded6[4201]: kcm_touchpad: Using X11 backend Jun 08 17:19:43 xxxxxx-dellg155511 sddm-helper-start-x11user[1982]: "(EE) event4 - DELL0A71:00 04F3:317E Touchpad: kernel bug: Touch jump detected and discarded.\nSee https://wayland.freedesktop.org/libinput/doc/1.31.1/touchpad-jumping-cursors.html for details\n" Jun 08 17:19:43 xxxxxx-dellg155511 sddm-helper-start-x11user[1982]: "(EE) event4 - DELL0A71:00 04F3:317E Touchpad: kernel bug: Touch jump detected and discarded.\nSee https://wayland.freedesktop.org/libinput/doc/1.31.1/touchpad-jumping-cursors.html for details\n" Jun 08 17:19:44 xxxxxx-dellg155511 sddm-helper-start-x11user[1982]: "(EE) event4 - DELL0A71:00 04F3:317E Touchpad: kernel bug: Touch jump detected and discarded.\nSee https://wayland.freedesktop.org/libinput/doc/1.31.1/touchpad-jumping-cursors.html for details\n" Now I also checked this is a bug because if I use the touchpad with 2 fingers it immediately works and I can then follow with only one fingers almost normally. But if I take the finger off I'm back to being off. I can only connect with two fingers. Any operation only works with 2 fingers. Is it a setting? I don't think so.

I have a fresh install of Ubuntu 26.04 on a Dell R720 server. It has an integrated Matrox G200eR2 GPU (iGPU). I have installed two NVIDIA Tesla CMP 100-210 GPUs (graphics accelerators without video outputs, very similar to model V100). I'll call these dGPUs for conciseness. I have installed the NVIDIA proprietary drivers. I want to run Gnome/Wayland on the Matrox iGPU and leave both NVIDIA dGPUs for running a local LLM. I cannot figure out how to do this.

With no NVIDIA kernel parametes in my /etc/default/grub:

If I remove both dGPUs, Gnome loads just fine on the iGPU and runs perfectly. If I install either single dGPU into either of the two available dual-slot x16 PCIe slots (both on risers) in the server, Gnome still loads fine and runs fine. If I install both dGPUs (either one in either PCIe slot), Gnome will not load. When booting gets to the point where Gnome should load, there is a blinking or solid cursor in the top left of a black screen. If/when the cursor is blinking, I can use Ctrl+Alt+F3, etc., to get to a TTY. When the cursor is solid (this happens intermittently), I can't get to a TTY unless I wait a while. Regardless, I can ssh into the machine.

With "nvidia_drm.modeset=1" kernel parameter added to /etc/default/grub, Gnome will load with both dGPUs installed but it is very slow/laggy.

Whenever one or both dGPUs are installed, nvidia-smi shows /usr/bin/gnome-shell running and loaded into dGPU VRAM. If, and only if, the "nvidia_drm.modeset=1" kernel parameter is active, /usr/bin/Xwayland is also listed as running and being loaded into dGPU VRAM.

I can get it to boot & run Gnome/Wayland (usably fast but with low resolution) if I boot from a Ubuntu 26.04 live USB with "safe graphics" *without* the proprietary NVIDIA drivers installed.

I can get X11 to run fine on the iGPU if I switch to lubuntu-desktop so it uses SDDM and LXQT rather than GDM3/Gnome. In this scenario, nvidia-smi shows no processes running on the dGPUs and no VRAM used.

If I install & run NVIDIA prime-select, it says "Error: no integrated GPU detected."

I don't know what else to try. It's probably nit-picky of me, but I would much rather run Gnome desktop than LXQT or XFCE, but Gnome 50 under Ubuntu 26.04 only supports Wayland and not X11.

Does anyone have any ideas?

I followed the same steps on 26.04 for overlayroot that I used on 24.04 and it doesn't work.

sudo apt-get install overlayroot  
sudo nano /etc/overlayroot.conf  

set overlayroot="" to overlayroot="tmpfs"

write out

df -h shows /dev/sda2 is still being mounted on / when it should be mounted in a write protected state. Any changes made do persist between restarts.

How can I get this to work properly?

I would like to install Kubuntu 26.04 on my Acer Swift SF714-52T (2019) that is currently running Linux Mint.

I created a bootable USB on a Windows desktop using Rufus.

The first time I tried to install it, I successfully reached the GUI installer, and completed all the steps up to indicating my username, etc. At this step, the screen froze, and my computer rebooted.

Now, every time I try to install it, I get a kernel panic: VFS unable to mount root fs on unknown-block(0,0) error.

Secure Boot is disabled; I tried to create the USB image with almost every possible option in Rufus (and with balenaEtcher and the Linux Mint disk manager...). I tried safe mode, but I get the same result. I also tried Kubuntu 24.04.

Additionally, I tried installing Ubuntu 26.04 instead, but I get stuck with a GRUB terminal (I'm not sure it is called this way).

I use an Asus Vivobook 15. There is a sign on fn button which says fn+esc. This combination switches from fn keys to let me use directly the volume and other function keys on fn buttons. The problem is Ubuntu always forgets if i switch to multimedia keys after i turn off the laptop. I checked the bios settings and there is only one option for it which just turns off the ability to switch between the two. Is there any other solution?

When i use two finger scroll on my laptop sometimes i get unwanted clicks. Maybe the tap and drag and tap to click functions cause the problem but i don't want to turn them off. Is there any option to make a delay while two finger scrolling and clicking or any other solution?

Cannot restore files in a Deja-dup v50 Archive 26.04 generated from same on 26.04.

My understanding is that you now cannot restore files directly from nautilus. However, when I attempt to restore a file, I select my archive (from Deja-dup archive selection) and it goes into nautilus. Is this right? It is a file selector of some sort, anyway, but there is no mechanism to initiate a restore. Right and left click does not reveal anything and I cannot see any more buttons

I use a 24.04 and 26.04 with a common /home. So when it was installed on 26.04 it would have inherited the 24.04 customization files if there are any. I know there is something in `~/.cache` but I couldn't identify anything relevant to this.

I have also looked in dconf editor and I couldn't find anything relevant in there.

I now assume that Deja Dup v50 is not compatible with Deja Dup (current version in 24.04) as when I logged into 24.04 it could not identify any archives at all. I did check it was pointing to the same place as in 26.04.

Questions. Can you fix the restore?

Should I keep 24.04 and 26.04 completely separate? Note: I suspect the two versions are sharing the setup data that dconf editor is pointing to which will make this a little tricky.

System Details Report
  Report details
    Date generated:                              2026-06-08 18:51:15
      Hardware Information:

      Hardware Model:                              Advent DT4102
      Memory:                                      8.0 GiB
      Processor:                                   Intel® Pentium® G2030 × 2
      Graphics:                                    Intel® HD Graphics 2500 (IVB GT1)
      Disk Capacity:                               2.0 TB
      Software Information:

      Firmware Version:                            4.6.5
      OS Name:                                     Ubuntu 26.04 LTS
      OS Build:                                    (null)
      OS Type:                                     64-bit
      GNOME Version:                               50
      Windowing System:                            Wayland
      Kernel Version:                              Linux 7.0.0-22-generic

Thanks for any help given.

Update: 10/06/26

I have now tested Deja-dup on a system without a shared /home and restoring a file is the same as with a shared file system. My conclusion is that this is how it is supposed to work. So when you restore a file you look for it through one of your archives (using the inbuilt browser (naultilus?) and then copy it to the original location. I suspect you have to create a copy of it and then sort the files by hand.

From answer https://askubuntu.com/questions/1567572/d%c3%a9j%c3%a0-dup-49-restore-workflow-is-less-convenient-than-older-versions-alternativ/1567590#1567590

From Deja Dup 49 and above have a new default backup format (using Restic). Deja Dup still supports Duplicity backups, but fresh backups to new storage locations will write Restic backups.

My experience not knowing any of this led me to connect v50 to an existing (Duplicity) archive and it crashed the program. (It froze during the first backup.). To fix this I deleted the entire backup and started again. (Note: I did have a backup of the backup though.) I think if I needed anything from the old archive I, personally, would use Duplicity direct.

Note: I have now noticed that Duplicity is not installed by default with Deja Dup even though it might potentially use it (finding an existing Duplicity archive). That would then be the reason it crashed. As I use Duplicity for other archiving I will now install it.

My MFA fails via GUI updates, but it runs fine from the terminal.

Terminal output:

steve@udesktop:~$ sudo apt update
[sudo: authenticate] Password: 
[sudo: authenticate] Verification code: 
Hit:1 http://us.archive.ubuntu.com/ubuntu resolute InRelease
Hit:2 http://us.archive.ubuntu.com/ubuntu resolute-updates InRelease
Hit:3 http://us.archive.ubuntu.com/ubuntu resolute-backports InRelease
Hit:4 http://security.ubuntu.com/ubuntu resolute-security InRelease
All packages are up to date.
steve@udesktop:~$

Adding Ubuntu Pro setup:

It fails MFA every time:

I have removed the Google Authenticator MFA and added Google Authenticator MFA, but I get the same issue.

I had no issues on the previous version. I just upgraded to 26.04.

I've tried several methods but not sure:+

1 if the boot usb is ok. (Used BalenaEtcher)

2 if I'm using the right process for this pc.

How do I check the boot USB?

What's a process that works?

Thanks in anticipation

Trevor

I'm using Openoffice since about 30 years. At the time it was called Staroffice. As my Laptop is not able to run win11, Finaly I took the opportunity to replace win10 with ubuntu 24.04.04.

Libreoffice is included with this version. But I don't like the user interface of Libreoffice. It's very scattered. I really prefer Openoffice, because it's simple and clear.

Question one: Is there a possibility with Libreoffice to select a kind of simpler user interface as OpenOffice is using. In this case I would mind to change, even than I think Libreoffice is suffering of code bleeding in an unsane manner!

Question 2 if Q1 is not possible, I will stick to Openoffice. I feel confortable with it. There is only one strange behavior. OpenOffice is 32 bit. And until now for this it required 32 bit Java as JRE 8. Hence I installed the jre 8 version for linux. It is there, and being in the jre/bin directory I get the rigth version. But, for development I use Java 26! normal 64bit version. So if I try to select java within Openoffice it recognize only this version 26 or 17 which is also still on the computer. But what ever I try to make Openoffice understand to select the Version 1.8 JRE, it tells me. No valid java found in the given directory! Even if I delete any selection, 26 or 17 is offered to select automatically and immediately! The question is would OpenOffice nevertheless work with one of those 64bit version, why OpenOffice tells me so stubborn no valid Java program found? I set it within /etc/alternatives, and in the path, and in the path of Openoffice, etc.! always no java shown, and not possible to select, apart the 64bit versions of course!

I recently upgraded to Déjà Dup 49 and noticed that the restore workflow seems to have changed compared to older versions.

In previous versions, I could navigate to a specific folder path and then browse the available backup versions while remaining in that folder. This made it easy to inspect multiple snapshots and find the version I wanted.

In Déjà Dup 49, the workflow appears to be reversed:

First select a backup date. Then navigate through the folder hierarchy to the desired path.

The problem is that if I want to inspect a folder across many backup dates (for example, 10 different snapshots), I have to repeatedly:

go back, select another date, navigate through the same folder tree again.

This feels much less efficient than the previous workflow where I could stay in the folder and move between backup versions.

My questions are:

1. Is there an option in Déjà Dup 49 to restore the old browsing behavior?
2. Is there another way to efficiently browse multiple versions of a specific folder without repeatedly navigating the directory tree?
3. Was this change intentional, and if so, what was the rationale behind it?

In addition, I have a large collection of existing backups that were created by Déjà Dup using Duplicity. If the old behavior is no longer available, are there any alternative GUI front-ends that can browse and restore existing Duplicity backup archives?

I'm specifically looking for a graphical application that is backward-compatible with existing Duplicity backup repositories, since I do not want to recreate years of backups from scratch.

I'm using Ubuntu and Déjà Dup 49.0.

Any suggestions would be appreciated.

I use MystIQ to convert videos to MP4. It works great most of the time, but on some videos (usually .mkv format) it doesn't convert the sound correctly. I open MystIQ up, go to add a file, then select the file and then select the directory where to put it and then hit "convert". It gets the video with the music track, but it doesn't get the voice track. Is there some setting that I need to change, or maybe there's another app that works better? From the comments I have received, I guess you are supposed to select the audio file? I just select a video file and then select 'convert'. Guess that isn't enough.

I am currently unable to connect to any Canonical name server from a server that has been running and regularly installing updates for over a year.

$ dig canonical.com
;; communications error to 127.0.0.1#53: timed out

; <<>> DiG 9.18.39-0ubuntu0.22.04.3-Ubuntu <<>> canonical.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 63336
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
; COOKIE: bf985d2b0d9a5dc2010000006a2561614f29acbfa3607ed5 (good)
;; QUESTION SECTION:
;canonical.com.         IN  A

;; Query time: 4992 msec
;; SERVER: 127.0.0.1#53(127.0.0.1) (UDP)
;; WHEN: Sun Jun 07 05:17:37 PDT 2026
;; MSG SIZE  rcvd: 70

dig ubuntu.com
;; communications error to 127.0.0.1#53: timed out

; <<>> DiG 9.18.39-0ubuntu0.22.04.3-Ubuntu <<>> ubuntu.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 50583
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
; COOKIE: 84ddd6bff6324a85010000006a256152cb1a1628a3bb7127 (good)
;; QUESTION SECTION:
;ubuntu.com.            IN  A

;; Query time: 4996 msec
;; SERVER: 127.0.0.1#53(127.0.0.1) (UDP)
;; WHEN: Sun Jun 07 05:17:22 PDT 2026
;; MSG SIZE  rcvd: 67

$ dig ppa.launchpad.net
;; communications error to 127.0.0.1#53: timed out

; <<>> DiG 9.18.39-0ubuntu0.22.04.3-Ubuntu <<>> ppa.launchpad.net
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 22613
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
; COOKIE: fb7e9b492b13c8f3010000006a2561fc0a1aadf66f6769da (good)
;; QUESTION SECTION:
;ppa.launchpad.net.     IN  A

;; Query time: 4996 msec
;; SERVER: 127.0.0.1#53(127.0.0.1) (UDP)
;; WHEN: Sun Jun 07 05:20:12 PDT 2026
;; MSG SIZE  rcvd: 74

Just for reference:

dig askubuntu.com

; <<>> DiG 9.18.39-0ubuntu0.22.04.3-Ubuntu <<>> askubuntu.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 63171
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
; COOKIE: c734f19287eea80a010000006a25613ef05f7ff9ad6a7c55 (good)
;; QUESTION SECTION:
;askubuntu.com.         IN  A

;; ANSWER SECTION:
askubuntu.com.      277 IN  A   198.252.206.1

;; Query time: 0 msec
;; SERVER: 127.0.0.1#53(127.0.0.1) (UDP)
;; WHEN: Sun Jun 07 05:17:02 PDT 2026
;; MSG SIZE  rcvd: 86

$ ping -c 10 198.252.206.1
PING 198.252.206.1 (198.252.206.1) 56(84) bytes of data.
64 bytes from 198.252.206.1: icmp_seq=1 ttl=61 time=0.263 ms
64 bytes from 198.252.206.1: icmp_seq=2 ttl=61 time=0.317 ms
64 bytes from 198.252.206.1: icmp_seq=3 ttl=61 time=0.266 ms
64 bytes from 198.252.206.1: icmp_seq=4 ttl=61 time=0.306 ms
64 bytes from 198.252.206.1: icmp_seq=5 ttl=61 time=0.295 ms
64 bytes from 198.252.206.1: icmp_seq=6 ttl=61 time=0.294 ms
64 bytes from 198.252.206.1: icmp_seq=7 ttl=61 time=0.366 ms
64 bytes from 198.252.206.1: icmp_seq=8 ttl=61 time=0.297 ms
64 bytes from 198.252.206.1: icmp_seq=9 ttl=61 time=0.264 ms
64 bytes from 198.252.206.1: icmp_seq=10 ttl=61 time=0.289 ms

--- 198.252.206.1 ping statistics ---
10 packets transmitted, 10 received, 0% packet loss, time 9197ms
rtt min/avg/max/mdev = 0.263/0.295/0.366/0.029 ms

It seems to be specific to one server. The server does not exhibit any signs of having been compromised and is updated regularly, though currently it is impossible to update because, by all outward appearances, Canonical has blocked my IP address from accessing their name server.

$ dig ns1.canonical.com
;; communications error to 127.0.0.1#53: timed out

; <<>> DiG 9.18.39-0ubuntu0.22.04.3-Ubuntu <<>> ns1.canonical.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 44028
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
; COOKIE: 67b8ecec6a690c94010000006a2563010c14125b277b79a9 (good)
;; QUESTION SECTION:
;ns1.canonical.com.     IN  A

;; Query time: 4992 msec
;; SERVER: 127.0.0.1#53(127.0.0.1) (UDP)
;; WHEN: Sun Jun 07 05:24:33 PDT 2026
;; MSG SIZE  rcvd: 74

$ ping -c 10 185.125.190.65
PING 185.125.190.65 (185.125.190.65) 56(84) bytes of data.

--- 185.125.190.65 ping statistics ---
10 packets transmitted, 0 received, 100% packet loss, time 9202ms

$ tracepath 185.125.190.65
 1?: [LOCALHOST]                      pmtu 1500
 1:  [redacted ISP address]                                0.183ms 
 1:  [redacted ISP address]                                1.537ms 
 2:  172.18.0.29                                           1.138ms 
 3:  no reply
 4:  104.23.203.14                                         0.326ms 
 5:  162.158.244.69                                        0.467ms 
 6:  no reply
 7:  no reply
 8:  no reply
 9:  no reply
10:  no reply
11:  no reply
12:  no reply
13:  no reply
14:  no reply
15:  no reply
16:  no reply
17:  no reply
18:  no reply
19:  no reply
20:  no reply
21:  no reply
22:  no reply
23:  no reply
24:  no reply
25:  no reply
26:  no reply
27:  no reply
28:  no reply
29:  no reply
30:  no reply
     Too many hops: pmtu 1500
     Resume: pmtu 1500

Note that other servers using the same redacted ISP address and the ISP tech support successfully connect to the Canonical IP addresses and name servers.

Are there any options for me here?

I have other Ubuntu Servers that do not have this problem.

This issue is not caused by last month's outage.

Screen sharing when using Microsoft Teams from a browser (firefox, in this case) used to be simple, but since Ubuntu 26.04 uses GNOME without X11 support, only Wayland, the situation changed. Wayland is more secure than X11 and makes it harder for one app access the contents of other apps windows.

If I try to share the screen in Firefox (149.0.2, distributed with Ubuntu), the following happens: first, a dialog appears:

I click on "Allow", select the display to share, briefly a screen sharing icon appears in the GNOME toolbar:

and then disappears. Screen is not shared. The same thing happens if I try to share a window, even a Firefox Window. How can you share a screen with Teams in Firefox on Ubuntu 26.04?

I ran USG under earlier version of Ubuntu but it does not appear to be available on 26.04. Is there a replacement? I see there is a compliance section on the security center but there is a big splash screen that says it is only recommended for certain hardneing requirements and everything is greyed out.

Disclaimer, I’m posting this to help out anyone having issues with their intel MacBook no t2 chip cause I went through hours of troubleshooting and don’t want anyone to go through that. Also I’m new to the linux world so Claude was a huge part of this and fixed all of my issues. I installed Ubuntu 26.04 on a MacBook Pro 13" 2017 No Touch Bar (A1708 / MacBookPro14,1). This model does NOT have a T2 chip.

Out of the box I had these problems:

• Closing the lid appeared to suspend but the machine stayed fully awake (hot, battery draining fast)
• Manually suspending caused a complete hard freeze requiring a force reboot
• WiFi, keyboard and trackpad didn't recover after resume
• Audio showed as "Dummy Output" — no sound at all
• FaceTime HD webcam not detected

How do I fix suspend, audio and the webcam on this model?

I've been eagerly waiting for Ubuntu 26.04 LTS because I knew ROCm would be installed automatically with it. Now I'm disappointed to see it's only ROCm 7.1.0 / 7.1.1 which does not work well with newer AMD Strix Halo designs like AMD RYZEN AI MAX+ 395 with Radeon 8060S (gfx1151).

To get the full potential of this GPU and NPU, I have to use ROCm 7.2 and later. First question is:

• Should I install ROCm 7.2 myself despite there is not even an installation guide for Ubuntu 26.04 in the official documentation yet, or
• eagerly wait for a ROCm update to come to Ubuntu 26.04 via system updates?

I would happily wait 1 or 2 months, but if this update is not to be expected in the near future then I most likely would have to do it myself. How to start?

I used to use VNC but it does not work with Wayland. How can I connect to my Kubuntu 24.04 (Wayland) computer from another computer in another network so that I can access its GUI, just like in VNC?

I'm struggling to access an MCU connected to the USB and presented as a serial port: /dev/ttyACM0. What worked well in Ubuntu 22.04 does not work in 24.04. Whenever I connect the device, the only way to have it access is to chmod 666 it, but that works only temporarily.

The user I'm working on is already added to the dialout group, and ls -l /dev/ttyACM0 returns: crw-rw---- 1 root dialout 166, 0 Oct 25 15:33 /dev/ttyACM0 , so as I can understand it, it is the root who has r/w and any dialout group member. Am I missing anything here to configure/add?

Edit: The driver seems to be correct so that is not the case of invalid UDEV rule triggered:

[21856.363341] usb 3-6: new full-speed USB device number 6 using xhci_hcd
[21856.761217] usb 3-6: New USB device found, idVendor=2e8a, idProduct=0005, bcdDevice= 1.00
[21856.761236] usb 3-6: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[21856.761240] usb 3-6: Product: Board in FS mode
[21856.761244] usb 3-6: Manufacturer: MicroPython
[21856.761247] usb 3-6: SerialNumber: e6614c311b7f8c38
[21857.365083] cdc_acm 3-6:1.0: ttyACM0: USB ACM device
[21857.365219] usbcore: registered new interface driver cdc_acm
[21857.365225] cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters

Regards,

Piotr

I got this message trying to use arp:

Name:~$ arp
Command 'arp' not found, did you mean:
  command 'ark' from snap ark (24.08.0)
  command 'warp' from deb libghc-wai-app-static-dev (3.1.8-1)
  command 'art' from deb artemis (18.2.0+dfsg-3)
  command 'arj' from deb arj (3.10.22-26)
  command 'avrp' from deb avrp (1.0beta3-7build1)
  command 'ark' from deb ark (4:23.08.4-0ubuntu1)
  command 'ara' from deb python3-ara (1.5.8-1.1ubuntu1)
  command 'arc' from deb arc (5.21q-12)
See 'snap info <snapname>' for additional versions.

Arp installation instructions here

Give this result:

Name:~$ sudo apt-get install net-tools
[sudo] password for user: 
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Package net-tools is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

What is the problem and how do I add ARP?

I'm struggling a bit with running Timeshift from command line. My disk structure look like this:

sda                         8:0    0   1.8T  0 disk
├─sda1                      8:1    0   512M  0 part /boot/efi
├─sda2                      8:2    0     1G  0 part /run/timeshift/backup
└─sda3                      8:3    0   1.8T  0 part
  └─ubuntu--vg-ubuntu--lv 253:0    0   100G  0 lvm  /
sdb                         8:16   0 232.9G  0 disk
└─sdb1                      8:17   0 232.9G  0 part /run/timeshift/backup

So, I would like to create a backup on the sdb1 disk, using:

sudo timeshift --create --comments "Test" --tags D --snapshot-device /dev/sdb1

gives me the following:

Mounted '/dev/sdb1' at '/run/timeshift/backup'
------------------------------------------------------------------------------
Creating new snapshot...(RSYNC)
Saving to device: /dev/sdb1, mounted at path: /run/timeshift/backup
Linking from snapshot: 2022-02-17_19-34-54
Synching files with rsync...
Created control file: /run/timeshift/backup/timeshift/snapshots/2022-02-17_20-51-55/info.json
RSYNC Snapshot saved successfully (111s)
Tagged snapshot '2022-02-17_20-51-55': ondemand
------------------------------------------------------------------------------

However, when listing using timeshift --list, I get the following:

Mounted '/dev/sda2' at '/run/timeshift/backup'
Device : /dev/sda2
UUID   : acd80a0d-761d-441a-8e8a-b5cca5bf7ee9
Path   : /run/timeshift/backup
Mode   : RSYNC
Status : Not enough disk space (< 12.9 GB)
Select another device or free up some space

No snapshots found

Any suggestions on what I am doing wrong?

Tom

On Ubuntu 18.04 both journald and rsyslog are installed. Both serve the same purpose of collecting log messages and storing them. So we have two programs doing the same work here.

What I could find out is that journald only saves log messages in its own journal files which can be queried with the journalctl command. No readable files are written. Also, journal will always collect log output from all the services that were started by systemd, which should always be all of them because ultimately systemd starts all processes even from older schemes like init scripts.

Rsyslog also receives log messages, through some socket that works like syslog has worked the past 50 years or so. Applications have to send their messages to that socket and rsyslog will receive them. Not sure how journald actually receives anything. Then rsyslog forwards these received messages into different readable files as per its configuration.

In Ubuntu, both are installed but do not seem to be connected. At least rsyslog does not load the "imjournal" module with which it could "read" log messages from journald. I don't understand how rsyslog (actively) reads anything, I thought it only (passively) receives messages. But it's not using that anyway.

The file /var/log/syslog contains largely the same content as shown by journalctl, just the output from sudo is missing in the file. But I haven't compared it all.

So how does this work? Who sends log messages to where and who receives them and where are they forwarded to? If both destinations are filled, does every application have to send messages to both syslog and journald separately? If they are interconnected, why are no messages duplicated? Are they filtered out again? Which location is more complete and where should I look if I want the complete picture?

If any of this has changed in newer versions of Ubuntu, I'd also be interested in that, as I'm going to switch an older server to 20.04 next year.

Edit: Here are some more resources on the topic:

• [Interaction of Rsyslog and Journal (Red Hat sysadmin guide)](https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/system_administrators_guide/ch-viewing_and_managing_log_files#s1-interaction_of_rsyslog_and_journal
• imjournal (rsyslog documentation)
• rsyslog journal integration, Video presentation by the rsyslog author
• The syslog system call
• Coexistence with systemd (rsyslog documentation)

All of this information leaves me a bit confused. It seems like journal receives all syslog data from the system call in the first place (my /dev/log points to /run/systemd/journal/dev-log), and rsyslog fetches it from journal through a socket that looks like the socket that is had used before there was journal (possibly /run/systemd/journal/syslog, implicitly used if it sees systemd around). Then rsyslog can do all its advanced log processing (including writing the legacy /var/log files). If I don't need any of that magic, I might just disable rsyslog. But I'm not sure about that at all!

I'm using Ubuntu GNOME 17.04. One encounters client side decoration (CSD) as most of the official GNOME applications (Nautilus, gedit, Evince etc.) use GtkHeaderBars (a combined title bar and toolbar, see linked screenshots) whereas other applications don't. This feature is disabled in Unity, all the applications use traditional separate title bars.

Screenshots (from this article):

• Nautilus with GtkHeaderBar

  

• Nautilus without GtkHeaderBar

  

For consistency I want to disable GtkHeaderBars globally (in all the applications using it) and use separate title bars. Is there a way to achieve that?

I have heard of gtk3-nocsd package, but couldn't make it work with GNOME for all the applications.