Latest Ubuntu related questions

Score: 0
JJJohn avatar
Where does Ubuntu stores page tables?
th flag

Per the kernel Documentation

pagemap is a new (as of 2.6.25) set of interfaces in the kernel that allow userspace programs to examine the page tables and related information by reading files in /proc.

However, when I ran this command when the process 13883 is running on Ubuntu 18.04.4 LTS

ll /proc/13883/pagemap

I got

-r-------- 1 ubuntu ubuntu 0 Dec 20 18:05 /proc/13883/pagemap

which seems to ind ...

Score: 1
wunschwaschbaer avatar
Activation of network connection failed, DHCP timeout
be flag

After a few hours of trial and error, i guess i need some help...

Problem is the following: I am trying to connect to a WIFI network, which has worked for me for the last three months and started to make trouble just three days ago. 19 out of 20 times I try to connect, i get "Activation of network connection failed", 1 out of 20 times it works for some reason. This problem only occurs on my Ubunt ...

Score: 3
didgewind avatar
How to prevent new windows stealing focus in Lubuntu 20.04 (Ubuntu with LXQT)
us flag

I've seen some solutions for this problem (preventing new windows of stealing focus) for Ubuntu with Copmiz, but cannot find anything for Lubuntu 20.04 (which uses Lxqt with openbox, and optionally compton). I've tried to disable compton but still, for example, I am showing a presentation and a new window pops up (for example, the upgrade notifier) covering my presentation. I would like the new windows  ...

Score: 0
AjayC avatar
Ubuntu 21.1 won't exit deep sleep: had to do hard reboot
gb flag

Today I left my laptop idle by closing the lid for some time and it seems it went into deep sleep. I opened the lid and clicked mouse couple of time and even pressed the on-off button but it won't wake up. I had to do a hard reboot.

Here are my system specs.

Operating System: Ubuntu 21.10
KDE Plasma Version: 5.22.5
KDE Frameworks Version: 5.86.0
Qt Version: 5.15.2
Kernel Version: 5.13.0-22-generic (64 ...
Score: 0
What is the correct target name to run command script before stopping local file system pre?
ar flag

I need to run a command (writeback dmsetup flush) when OS shutdown before stopping local file system pre (mounted disk partitions) thus being possible correctly flush writeback cache.

In moment using the service below

[Unit]
Description=Flush
DefaultDependencies=no
Before=umount.target

[Service]
Type=oneshot
User=root
Group=root
ExecStart=/usr/local/bin/flush.sh
TimeoutStartSec=0

[Install]
WantedBy= ...
Score: 0
Zoozoo avatar
Is there anyway to pull multiple pictures from an excel sheet at once on my ubuntu
fr flag

I have this task which will take me forever to finish, about 1000 rows in an excel sheet of pictures names and links in different two columns (1st &3rd columns).

i was thinking if i could use curl to automate the process and if there’s any other trick or tool to pull these pictures links to be downloaded in a file on my system and also have them named respectively as they’re named in the  ...

Score: 0
How do I mount/find a second HDD in Ubuntu?
lc flag

Hello there and first off apologies if anything I describe is hard to understand, I'll try to be as clear as possible but I'm still a beginner at using Ubuntu. So off to the question:

I'm using Ubuntu with WLS. It's worked fine for the most part but here's my problem:

I've been doing the Odin Project and reached the boilerplate part. Coding and all that. However I installed Ubuntu on my C: drive whi ...

Score: 0
xii69 avatar
How To Create Windows Installation USB In Linux?
sb flag

I tried some programs to make a Windows bootable installation USB, like using Etcher, Rufus, WinUSB and more, but none of them are working ( WinUSB is not installing and gives me an error while I'm trying to add installation repository with this command):

xii69@xii69:~$ sudo add-apt-repository ppa:colingille/freshlight
Cannot add PPA: 'This PPA does not support focal'.

Somebody can tell me how to fix  ...

Score: 2
Use img file as block device
ph flag

I created an img file using dd (sudo dd if=/dev/zero of=/home/danialbehzadi/dong.img bs=1000K count=32) and now I want it to be used as a block device, so I can restore a filesystem saved by fasrachiver into it.

I already tried restoring directly to file:

oper_restore.c#152,convert_argv_to_strdicos(): "dong.img" is not a valid block device

and mounting it and restoring there:

oper_restore.c#152,conve ...
Score: 0
KD0AZT avatar
Wifi not working on Kubuntu 21.10 Kernel 5.13.0 Samsung Galaxy Book Odyssey
cn flag

I recently bought a Samsung Galaxy Book Odyssey with the hopes of dual-booting Kubuntu and Windows. It has an Intel WiFi 6 AX201 wireless card.

I cannot, for the life of me, get Kubuntu to use the wireless card. It works fine in Windows.

Fast Boot is disabled in Windows, so it is not affecting the card.

I have tried the steps listed in Wifi not working Ubuntu impish 21.10 Kernel 5.13.0 Samsung Galaxy  ...

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