Latest Ubuntu related questions

Score: 0
How to list CPU usage of all threads of my program?
us flag

Launching top then pressing H will list all threads on the system and their CPU usage.

How to list all threads from a single process?

I want to monitor my app threads and their CPU usage

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eng2019 avatar
Ubuntu 20.04 can't boot
br flag

Ubuntu 20.04 is suddenly stuck at booting with following error. Beforehand, my laptop went to sleep and it froze so I hardly turned it off and that happened when I rebooted. It is a new installation. Please help.. Thanks! enter image description here

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Yann Monnier avatar
No compatible AMD Radeon GPU detected on Blender
in flag

Good day all,

I am on Ubuntu 20.04 and trying to figure out what my gpu version exactly is.

1, Checking my system, it reads:

Processor: AMD® Ryzen 3 2200u with radeon vega mobile gfx × 4 Graphics: AMD® Raven

On that note: A youtuber showed how to install driver to change the Graphics to AMD@Radeon by using release-notes/rn-amdgpu-unified-linux-20-20 . I attempted this, and did crash the Ubu ...

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rick avatar
All browsers are jumping around web page after updating to 20.04
br flag

I recently built a ryzen 3700 pc with geforce gpu and installed ubuntu 20.04 (also dual boots windows). Whenever I go to web page and scroll down with mouse or scrollbar, the page constantly jumps back to the top (sometimes bottom). If I stay on a page for a minute or two, it will then become stable - as if it took a long time to load all of the page components. The only way I can actually read page con ...

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Microtribute avatar
How to make `gnome-screenshot` or `flameshot` work in crontab under Wayland?
ng flag

I am using Ubuntu 21.04 under GNOME on Wayland. I want to take the screenshot every minute and save them to a designated folder. The simplest thing I can think of is using crontab which is available out-of-the-box in Ubuntu. There are only a handful of programs that can take screenshots under GNOME on Wayland - including gnome-screnshot and flameshot. However despite the fact these programs work from ...

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Caio Costa avatar
Wired ethernet not working in Ubuntu 18.04
az flag

Ubuntu is simply unable to connect to the internet with my ethernet cable only.

Right now, I'm using my Android's USB tethering to use internet on my PC (and my smartphone is connect to my home wi-fi, so I'm sure my ISP is working fine).

My /etc/network/interfaces/ looks like this:

# This file describes the network interfaces available on your system
# and how to activate them. For more information, s ...
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Andrew avatar
Dual monitor display not working with xrandr on Ubuntu 20.04
in flag

I just finished building my computer and am having trouble getting dual monitors to display properly. Currently, when I run xrandr to list the available monitors, I get the following output:

xrandr: Failed to get size of gamma for output default
Screen 0: minimum 1920 x 1080, current 1920 x 1080, maximum 1920 x 1080
default connected primary 1920x1080+0+0 0mm x 0mm
   1920x1080     77.00*

One of my ...

Score: 0
Maruf_Hasan1789 avatar
No Sound from speakers in Ubuntu 20.04
ph flag

I am new to Ubuntu 20.04. I have a Hp Laptop.I am getting sound in my headset but I can't get sound in the speaker though the settings shows it's getting sound output.but I can't hear anything from speakers but in case of headset it's totally ok.how to fix this issue?

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papercup avatar
Libreoffice PUAs
cn flag

Clamtk found 86 PUA.in usr/lib/libreoffice/share They were all .xba filesI tried deleting them but they are still there on a repeat scan. Are they likely false positives? Can I remove the whole folder somehow or would this cause other problems?

Score: 1
How do I get my extra monitors working again?
in flag

I'm running 21.04, with an nvidia Quadro P400 to drive three HP VH240a monitors. This worked fine for over a year ago when I was running xubuntu, and it seemed to work fine when I switched to ubuntu 21.04 for reasons that had nothing to do with screens displays. The only think I ever noticed after switching distro was that all three screens would sometimes go blank for a couple of seconds; this happened ...

Score: 4
What's the best file system I should use on an external hard drive that will be shared with MacOS (Big Sur) and Ubuntu 20.04?
in flag

I want to share an external 2TB USB hard drive for backup data between my personal Mac and my work laptop which run Ubuntu.

I need to be able to read/write with both OS, even if I will use it mostly with my Mac.

I tried with exFAT but, on Ubuntu, I'm getting an error message when I try paste a file on, and with HDF+ it doesn't even let me.

What's the best file system I can use in this case?

EDIT: I didn't ...

Score: 1
open link from mail in browser, without switching to the browser
za flag

In Thunderbird, I used to click on links, which resulted in an new tab, opened in the browser, without switching/activating the browser, so I could open 4, 5 mail notifications in a row, having 4, 5 associated entries in a forum opened, and change then to the browser to read the postings one by one.

Now I switched from Xubuntu 18.04 to 20.04, where my internet navigator is again chromium-browser, ...

Score: 0
WTRIX avatar
Screen Blinking On & Off After OS Update
cn flag

I recently upgraded from Ubuntu 14.04 to 16.04, and immediately after system restart the screen kept blinking on and off. I 'solved' the issue by lowering the resolution (not my favorite). So ultimately the problem is with a reso of 1920x1080, which the my television supports (worked fine before).

I'm new to Ubuntu. I revived an old Samsung Rv511 with a fried LCD to use as a home server and conne ...

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Amir Pourmand avatar
Printing Error, Canon LBP6000
pw flag

I've installed Canon LBP6000 with this tutorial, but I'm getting this error:

ccp send_data error

What Should I do? Since I'm a newcomer to the Linux world, I don't even know where to start for debugging.

I'm using Kubuntu 20.04.2 LTS. It's been days since I'm searching how to get it to work, but I don't.

Score: 1
Frank Nocke avatar
run VirtualBox with Kernel
in flag

I am on an unfortunate text adventure getting to run VirtualBox 6.1.22 under Ubuntu MATE 20.04 LTS. My key problem is, that I had to upgrade my (shiny new) machine to Kernel 12.4 (shiny new graphics card and other hardware requiring a higher kernel...)

frank@p14:~$ uname -r
    5.12.4-051204-generic

I followed the official Virtual Box instructions (adding to sources.list, adding key) and manage  ...

Score: 0
evild4ve avatar
Xubuntu + Thunar locking up mount points
us flag

hi this is about Xubuntu 20.04 with Thunar 1.8.14 on 2 pcs with similar installed software

Automount and Volume Control are disabled in Removable Devices. I have installed udftools

I am trying to install a multi-cd game in Wine. But this is a problem with understanding how Xubuntu+Thunar control mounting of removable devices Wine is set to look at /mnt/cdrom1 for D:\

On one pc I can take the cd out of  ...

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