Latest Ubuntu related questions

Score: 0
SuperVidak64 avatar
plasmashell uses vram and ram and dosen't release it
cn flag

Hello i have Kubuntu 21.04 kde plasma version 5.21.4, kernel version 5.11.0-18-generic and nvidia 470.74 driver

After a long period of using kde or changing themes kde just grabs the ram it needs and doesen't give it back the same thing happens with vram.

Thanks in advance

Score: 0
Tobi Peter avatar
How to make plymouth show message during shutdown, switch mode and make pkcon work
in flag

I'm trying to write a script that makes a) the system update before shutting down (not at reboot) and shows the progress to the user on plymouth.

So far I, well, managed to make it start the script (sometimes?) on shutdown, but it also starts on reboots (to be fixed).

[Unit]
Description=Update on Shutdown
Before=poweroff.target halt.target shutdown.target
After=network-online.target multi-user.target
 ...
Score: 0
илья авраменко avatar
How to setup workspase for second monitor through shortcuts?
cf flag

Just installed ubuntu 20.04. On Windows I had installed DualMonitorTools to annotate various actions to keyboard shortcuts. Especially I need theese three:

  1. Keyboard shortcut to prevent mouse movement between monitors
  2. Keyboard shortcut to move active window to the next monitor
  3. Ability to setup KEY pressing which will allow move mouse between monitors despite it prevented
Score: 1
Carlo avatar
Ubuntu 18.04, compress and split large file with 7z, not working
in flag

I need to compress and split a large (64 GB) file in 4 parts on Ubuntu 18.04.

It needs to be extracted on Windows later and I thought I would try using 7zip.

I tried from the GUI in Nautilus but there's no option to split it, I can only just compress it:

enter image description here

I do not know if the 7z version I had was the correct one, so I tried re-installing it:

sudo apt install p7zip-full p7zip-rar

but without any diff ...

Score: 0
Run NS-3 Simulation on Ubuntu
in flag

I need to tun this NS-3 simulation project on my ubuntu VM. Also, I need to obtain the graph related to this simulation.mmWave-IAB

I don't know what are the necessary files to run. Can anybody help me???

Score: 0
ASRock Z590M Pro4 Failed to install ubuntu
hk flag

I have a problem installing Ubuntu 18.05. I am using an ASRock Z590M Pro4 motherboard and an i9 11900F Processor. Which sediments do I need to use in BIOS? When I start the installation, the computer turns itself off.

Score: 7
Viesturs avatar
How to kill firefox from command line
ng flag

How to kill firefox from the command line?

I have tried:

pkill firefox # the command was known to work previously
pkill -9 firefox
kill -9 firefox # descibed in https://unix.stackexchange.com/questions/8916/when-should-i-not-kill-9-a-process
bash: kill: firefox: arguments must be process or job IDs
killall firefox #described in https://appuals.com/restart-firefox-command-line/

All in vain.

enter image description here

The  ...

Score: 0
batman avatar
Canonical-livepatch issue
do flag

Need help in enabiling livepatch:

Message: 2021/10/11 02:34:15 error executing config: Livepatchd error: Couldn't setup system logger: Unix syslog delivery error

Getting above error while enabling livepatch. Using syslog-ng for logging

Score: 0
Pedroski avatar
What do I need to do to allow remote access to MySQL on Unbuntu 20.04 Server?
es flag

I have a little Python script to collect students' homework and online classwork scores from the table allstudentsAnswers20BE.

This works great on my old shared web-hosting webpage.

On the new Ubuntu 20.04 cloud server, I am getting connection refused. I have no experience running a cloud server.

I allowed ports 33060 and 3306 in UFW

My ip is at home is not fixed.

When I run my Python script I get  ...

Score: 0
George Udosen avatar
Unable to SSH into OpenSUSE Virtualbox Machine from my Ubuntu Focal Fossa host
rs flag

I am currently running Ubuntu Focal Fossa and trying to ssh into an OpenSuSe machine version being openSUSE Leap 15.2. I can ssh into every other machine using the Bridge Network configuration but for the said machine I get a

ssh: connect to host 10.64.40.206 port 22: No route to host

error. I can even ping the machine but can't just ssh into it. Perhaps there's a configuration setting expected o ...

Score: 0
Viesturs avatar
frequent and time consuming instalation of snaps
ng flag

Updates of snaps (What are Kernel snaps?) are available on a daily basis, and their installation is time consuming.

Why don't updates come less regularly?

Other packages take much less time to be installed. What is the reason for the difference?

enter image description here

Score: 0
trojan avatar
Multiple desktop environments without overwritting settings?
us flag

I have ubuntu 20.04 LTS, I used to use the default desktop environment. But i've installed KDE Plasma DE, The problem that KDE over-writted my ubuntu de settings such as themes, icons, Font ,etc. and i had to change the settings manually

I want to switch between desktop environments without affecting each other.

Score: 4
Script to run a command in a terminal and then open a new terminal tab and run another command
co flag

I am running Ubuntu 21.04 and I want to create a script, that would do the following:

  1. Run:

    cd && cd path/to/repo && git pull && npm i && code . && npm run dev
    
  2. Then open a new GNOME Terminal tab using:

    gnome-terminal --tab
    
  3. Then switch to this tab and run:

    cd && cd path/to/repo && git reset --hard && git pull -f && npm i && ...
Score: 0
eternal_suffering avatar
Homepage can be loaded but on others - "The requested URL was not found on this server."
in flag

I tried putting on a server some sort of site using Apache/2.4.29 (WordPress and stuff), but no page aside from the homepage itself can be loaded. I'm given an "Not Found. The requested URL was not found on this server. Apache/2.4.29 (Ubuntu). Server at localhost Port 8080" error while accessing those pages. What can be the root of the problem and what should I do? I'm brand-new to all this stuff, so so ...

Score: 0
Freedo avatar
Flushing dns on ubuntu 18.04 doesn't work
in flag

I tried both commands:

sudo systemd-resolve --flush-caches
sudo nscd -i hosts

However dig at 127.0.0.53 is still returning an outdated value. Any other way to fix this other than overrind my resolv.conf to use 8.8.8.8?

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