Latest Ubuntu related questions

Score: 1
Kwee Twos avatar
Wired connection stopped working (Ubuntu 20.04)
vn flag

OS: Ubuntu 20.04
Hardware: Core i5-2400 CPU, 6GB DDR3 RAM

I was using the same wired connection for the past year without any issues. The LAN LED on the router lights up during boot for a few seconds. The only change I made recently was installing Qt Creator. The connection still works in Ubuntu Live CD mode so it has to be a problem with my current Ubuntu. I tried other fixes but they involved i ...

Score: 0
Alon Feldman avatar
Ubuntu 20.04 on Orcal VM- not show symbols
cn flag

After a long time without any problem, 3 days ago I open my VM Ubuntu and it looks like this: Blue background, without symbols, if I move my mouse on the side it shows me the names of the items but does not open them. cntrl+alt+T does not open the terminal. if I do cntrl+alt+F3 it works fine. any idea? I try to search the internet for a solution but don't find any. enter image description here

Score: 0
Hung Christian avatar
ffmpeg alsa can not capture audio from UVC USB HDMI capture card to HLS server
it flag

in the same context before, I have been helped by brother ( llogan ) on Oct 15 at 16:35 , by using syntax his suggestion, and i've tried it, at first i got the sound stuttering, then it went back to silent,but for some reason I haven't accessed this blog for a long time, so communication is loss, so anyone can help me ? current condition we using syntax :

ffmpeg -f alsa -channels 2 -sample_rate 441 ...
Score: 0
ubuntu on windows tablet problem
lu flag

Got it. Turned out that Bay Trail architecture bios firmware does not support booting outside uefi and has a bug which does not allow to boot anything else than 32 bit os. Linux 32 bit does not support uefi and linux 64 can't be booted since the firmware does not support 64 bit. However there is a bypass, after you have prepared your usb stick, go into the folder efi and copy to there a file named bo ...

Score: 0
niles patel avatar
Deleting cookies and temporary files
cn flag

I have installed "Xubuntu" on my notebook and I would like to find out how to delete all cookies and temporary files through the "Xubuntu" terminal.

Thanks in advance.

Score: 0
Maciej Adamski avatar
Powerline does not track git branches
us flag

Stuff:

  • WSL2:Ubuntu 20:04 LTS

  • Bash / FishShell

  • Powerline installed using sudo apt-get install powerline

Problem:

Powerline does not changing dislpayed branch after git checkout <branch_name>. When I do git branch, git shows me that I have switched to the branch but powerline still displaying the previous one. When I disabled powerline from shell config, then branch switching is corectly di ...

Score: 0
damian-lw avatar
Lenovo x240, Ubuntu doesn’t see second laptop battery
ao flag

I have Ubuntu 21.10 on my Lenovo x240. On laptop I have two batteries but Ubuntu don’t see second battery. How can I fix it ?

Score: 0
teebo avatar
Creating a partition to install windows
us flag

I have a Dell Inspiron 15 5000. It came with Windows 10 and I have installed Ubuntu 20 without formatting and partitioning.

Now I would like to put back Windows 10 because this is a company laptop. I have created a bootable USB with Windows 10. I am booting from the USB and the Windows setup is started. I am stuck on the below screen where there is no drive to install Windows.

enter image description here

I have an idea that  ...

Score: 0
How to pass line number for hyperlink for file on bash script?
cn flag
echo -e  '\e]8;;file:///home/'$HOSTNAME'/proj/algorithm\aThis is a hyperlink\e]8;;\a'

I want to create bash file which prints a link for file on terminal. When clicked file would be opened with cursor on the given line number. For example: on 50th line.

  1. How can I pass line number for this?

  2. Can I tell any editor for opening this file? For example: vscode

Score: 3
Abhinav Gupta avatar
Setting up pre-installed mobile broadband in ubuntu 20.04 in thinkpad x1-carbon
vn flag

I have a quectel em120r-gl 4g lte cat12 card already put in the computer. It came with windows 10 preinstalled and this card is working perfectly, I could see a mobile broadband connection option in setting and network options also. I just installed ubuntu and I am not able to find that here. I tried to check additional drivers but got nothing. I also tried mmcli -L and I am getting No modem found

Score: 0
Nilesh Dubey avatar
cron is not running
rs flag

I have written below mentioned code and given oracle path but still I am unable to run the .sh file through the cronjob:

export PATH

export PS1='$PWD>';
export LANG=C;
export LC_ALL=C;
export EDITOR=vi;

export ORACLE_BASE=/home/app
export ORACLE_HOME=/home/app/oracle/product/19.3
export TNS_ADMIN=$ORACLE_HOME/network/admin
#export LD_LIBRARY_PATH=


sqlplus username/password@servicename @abc.sql

exi ...
Score: -2
Introducing blank lines between matched sections
jp flag

I have the following bash function that uses sed to extract sections occurring between ## Mode: org and ## # End of org, where # is the comment character. Finally I remove the comment character and any spaces.

This is my input

cat /home/flora/docs/recnotes.txt
   ## Mode: org
   #  Assigns shell positional parameters or changes the values of shell
   #  options.  The -- option assigns the positiona ...
Score: 2
Ady avatar
Ubuntu 21.10 - Dock menu and the applications disappeared
ru flag
Ady

After updating to the latest Ubuntu 21.10, the dock menu has completely disappeared.

ubuntu 20.04 with dock:

ubuntu 20.04

ubuntu 21.10 dock disappeared:

ubuntu 21.10

Score: 1
How can I enable ftdi_sio on Ubuntu server 21.10 on Raspberry Pi (ARM64)?
br flag

I'm trying to get a USB serial device working. I can see the device using 'lsusb' but it never appears in '/dev'. From what I understand there's this "extra" kernel package that I downloaded which contains ftdi_sio.ko which will make the device visible in /dev.

I tried to install the module in the kernel with 'insmod /lib/modules/5.13.0-20-generic/kernel/drivers/usb/serial/ftdi_sio.ko'. However ...

Score: 1
How to force pulseaudio to default to the correct sound card, device, port?
za flag

Note: This problem occurs because Pulsaudio ignores the settings set by user in the settings-sound menu.

How to force pulsaudio to default to correct audio device?

System:

  • Ubuntu 21.10; NVidia gtx1050ti.

Configuration:

  • 4k monitor plugged into DP port;
  • hdmi2av adapter plugged into hdmi port;
  • analogue stereo plugged into hdmi2av converter.

Desired outcome:

  • 4k video on monitor;
  • HD sound from stereo ...

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