Latest Ubuntu related questions

Score: 0
Aaditya Sharma avatar
Display settings change when I boot into ubuntu
cn flag

I dual boot ubuntu with windows 10, on windows 11, I have calibrated display by setting gamma value, colors etc and it works fine, but when I boot into ubuntu the display appears weird (color shift, reduced sharpness etc) and its hard to work on it for long what can i do to calibrate display on ubuntu the way I did it on windows 10(through control panel)??

Score: 0
Kragh avatar
Enable HDMI output on 21.10
ng flag

I have got problem with NVIDIA driver on Ubuntu 21.10 x86_64 kernel: 5.15.7-051507-generic. I cannot attach external monitor via HDMI.

After fresh install I made it working by installing 495 driver in performance mode. It worked in that setup for a month but recently stopped.

My laptop has 2 GPUs:

  • Intel TigerLake-H GT1 [UHD Graphics]
  • NVIDIA RTX A2000 Mobile

System is up to date.

Secure Boot is di ...

Score: 0
How to make apps not appear on my navigation bar
ng flag

I want to open firefox on ubuntu but I also want it not to show that it's open on the toolbar, even though it is open in the background. Is there any kind of setting that would allow me to open the applications in secret rather than it appearing as opened on the toolbar/navigation bar/application bar

Score: 0
Lucas Matheus avatar
Dell Latitude 3490: Problem with ath10k QCA6174 + Ubuntu 20.04
in flag

happy new year!

I own a Dell Latitude 3490 and since I've changed the OS from Windows 10 to Ubuntu 20.04 i've found some problems with WiFi connection. Connection drops, connections failing, slow internet speed (my link is up to 300Mb/s but on that Latitude only reach ~40Mb/s). I've followed some guides here on Askubuntu and over the internet but nothing changed this scenarios. Can someone bring  ...

Score: 1
Mj Ebrahimzadeh avatar
Can't build my react in ubuntu without sudo
ao flag

I have a react project and want to get a build. When I run

yarn

to install packages, it works fine and installs all packages. after I run

yarn build

, I get so many nonsense typescript errors like can't find react router type. Why is that? btw if I run

sudo yarn build

it works fine.

Score: 0
petr avatar
System hangs on reboot and poweroff
fr flag

My laptop started hanging several days ago, this is the last message it prints. I am running Ubuntu 21.10. What can be done to make this work again without having to disable updates?

This is the last message it prints


EDIT:

The problem started after the kernel 5.13.0-22-generic was upgraded to 5.13.0-23-generic. When I boot using the former kernel image in grub, the correct behavior is restored (i.e. the system shuts down cleanly). N ...

Score: 0
hdparm standby after X time doesn't work
cn flag

I have an external WD 8TB hard drive connected to my Dell Wyse 5070 via USB 3.0. Recently I've done a full Ubuntu Server reinstall (on internal SSD). Now when I'm trying to configure everything as I previously had I'm struggling with the external HDD standby time setup.

Previously I configured it somehow so the HDD went standby about 15 minutes after no activity detected.

Right now I'm not able to s ...

Score: 0
Cannot detect external hard disk drive
br flag

I have a few hard disk drives I use to make backups (they are in ext4 format and encrypted with LUKS). I have been using them regularly recently (two days ago) but now after two updates I am apparently not able even to find them with fdisk -l. There is no response of any kind I can see when I connect these disks.

All I have been able to deduce is that its probably something with the OS. Disk are not rec ...

Score: 2
How to make the ubuntu internet symbol look like its disabled, even though it's not
ng flag

I want to make it look like that the internet is disconnected even though it is connected by making the internet/wifi symbol on the Ubuntu OS look like it's currently disconnected from the internet. The LAN cable will be connected at all times but I want it to pretend that nothing is connected and make sure that the network is working perfectly

Score: 0
Robert avatar
Ubuntu and docker, cannot run executable from bash script
pe flag

I have a following file located inside docker container (ubuntu:18.04). When I try to run it with docker exec -it index_sql /dbrestore/init.sh, it throws following error

OCI runtime exec failed: exec failed: container_linux.go:380: starting container process caused: exec format error: unknown

Script inside file:

#!/bin/bash
index_sql /opt/mssql-tools/bin/sqlcmd  -i /dbrestore/dbCreate.sql -S 12 ...
Score: 0
Leon avatar
Which top directories in Ubuntu do frequently change?
br flag

I'm using Kubuntu-20.04, and LVM2 partition.

Before installing some software, I'm afraid that the new soft get mess my system, so I often take a snapshot of the root volume. But the root volume changes very frequently, result that the snapshot would inflate much fast.

I want to separate some freq-changing dynamic data such as /var/log, /home, into another lvm volume, and let merely the sys-configura ...

Score: 0
Sarath S avatar
gnutls_handshake() failed: An unexpected TLS packet was received from ubuntu 16 curl(7.47.0)
es flag

am facing this issue when triggering curl to a target application hosted in ubuntu 20.

curl: (35) gnutls_handshake() failed: An unexpected TLS packet was received,Below is the curl version in source.

curl 7.47.0 (x86_64-pc-linux-gnu) libcurl/7.47.0 GnuTLS/3.4.10 zlib/1.2.8 libidn/1.32 librtmp/2.3

Interstingly when i trigger curl from another machine where curl version is different,its working

Working curl ...

Score: 1
N0rbert avatar
How should I enable hardware graphics acceleration in Chromium web-browser running on Ubuntu MATE 21.10 on RPi 4 (armhf)?
zw flag

I have just installed Ubuntu MATE 21.10 (32-bit, armhf) on my Raspberry Pi 4 with 4 Gb of RAM. Note: I need 32-bit version to have Modelica compiler available. All settings are default. Information about video driver is below:

$ lsmod | grep drm
drm_kms_helper        282624  3 vc4
cec                    65536  2 vc4,drm_kms_helper
fb_sys_fops            16384  1 drm_kms_helper
syscopyarea            163 ...

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