Latest Ubuntu related questions

Score: 0
ralftar avatar
Skip DHCP discover and go right to DHCP request
cn flag

When booting the DHCP client sends a DHCP discover before the DHCP request. This is in contrast to Windows where an optimistic approach is done, first attempting to send a DHCP request for the desired IP address (i.e. last).

By sending a request first one can attempt to use the desired IP addresses that have been released or are expiring but might nevertheless be available. If the DHCP client get ...

Score: 0
Abhishek Kamal avatar
No option to select WI-FI
pg flag

I am using Asus laptop which has latest WIFI 6.
I can use internet through my Ethernet but, I can't use my WI-FI in Ubuntu 20.04 because in settings there is no wifi selection option as given in below image -
enter image description here I ran a command to detect the name of the wifi.
lspci -knn | grep Net -A3
and the output of the above command is -

03:00.0 Network controller [0280]: MEDIATEK Corp. Device [14c3:7961]
        Sub ...
Score: 0
ubuntu shell on windows 10 : no available device
sk flag

When trying to launch visual app like xeyes, I have this error : Error : can't open display:

How can I resolve that ?

I have try to use Xming but it is very slow, is there a different way in order to get faster ?

Score: 0
vibhu sharma avatar
How to check whether one number range from one file is the subset of other number range from other file?
ua flag

I'm trying to find out whether range1 numbers [both columns a and b] are the subset or lying between range2's columns [both columns b and c].

range1

 a       b
15       20
 8       10
37       44
32       37

range2

 a       b       c
    chr1    6       12
    chr2    13      21
    chr3    31      35
    chr4    36      45

output:

    a       b       c
chr1    6       12       8       10
chr2     ...
Score: -1
user32882 avatar
Recovering a moved file in ubuntu
in flag

I meant to copy a file from one directory to another. Instead, I moved it using the mv command. I made a lot of changes to this file and now realize that I have lost the original file.

Is there a way I can recover the file I originally moved?

Score: 1
See Now avatar
Ubuntu flashing screan on power off and turn on after suspend
lk flag

I installed ubuntu 20.04 on my Dell Studio 1555 laptop and It flashes two or three times when I try to turn it off and when It woke up after suspend. I had this problem with older versions of Ubuntu and even Kali linux

Here you can see what happens

Score: 0
Pavel Shevsky avatar
Audio sink is not visible after upgrade from PulseAudio 8.0 to 13.99
fr flag

I'm trying to send audio stream via Bluetooth from Ubuntu-powered desktop to Android smartphone (Samsung Galaxy S8).

On Ubuntu 16.04 with PulseAudio 8.0 installed by default it works properly - I can see my device's sink in the list(bluez-sink): list of sources with sink present

But after OS upgrade to 20.04 with PulseAudio 13.99 it disappears from the list: list of sources without needed sink

Is i ...

Score: 0
IcyHerrscher avatar
Interactig music, pictures fies from ubuntu to window
dz flag

I'm new to Linux in general. I decided to dual-boot today. I know people have said to never interact with anything on Windows from a Linux system. But what about music and picture files? How much damage could I do if I were to say play the music on Ubuntu. Or copy the files to Ubuntu.

Score: 0
Sym avatar
Gnome shell: automating windows and placement
uz flag
Sym

First off, sorry if this isn't the best formed question. I've tried to research the best part of the stack to focus on, but I'm still not 100% sure I've got it.

So, I'll explain the outcome I'm after:

On Ubuntu 20.04 (GNOME Shell 3.36.9 / Xorg) I have a window configuration I set up every morning (for our company stand up): one Firefox window snapped to the right column with a URL open, and one snap ...

Score: 0
Jeevitha avatar
Microphone not detected in Ubuntu 20.04
us flag

I installed Ubuntu 20.04 and my microphone is not detected. I also tried using pavucontrol, but it didn't help. I am using a Dell P129G101, Latitude 3410. No options are present in input devices.

Score: 1
mon avatar
Ubuntu 20.04 - how to fix sluggish 4K monitor
vn flag
mon

LG 27inch 4K monitor connected via HDMI with Ubuntu 20.04 exhibiting sluggish (like slow-motion). How can I do to fix?

Score: 0
Bronislaw Wstep avatar
"you are in emergency mode" during first boot after power failure - how to avoid it?
us flag

For a few years I'm running Ubuntu on my home server. New thing this year in my area are short but frequent power grid outages.
After each such power failure my system is not booting to desktop, but to emergency mode.
A solution is simply to reboot the system by hitting the reset button - a bit inconvenient since the system is placed in obscure corner at the attic. It is even harder when I'm away... ;-) ...

Score: 1
Mark avatar
Nvidia proprietary driver suddenly crashes computer
mx flag

I'm experiencing issues with my Nvidia videocard. I'm using proprietary driver 'coz I'm having rendering problems when using the open source driver. The proprietary driver is tested as it says in the system. And it used to work fine. I even got Nvidia sw as soon as the driver was selected. However I don't know if Ubuntu released some updates but the computer won't boot if I select the tested driver and  ...

Score: 0
Benet paul avatar
External keyboard backlight not working in Ubuntu 20.04
in flag

I used turned on my keyboard backlight by entering xset led named "Scroll Lock" in terminal till two days ago. But now it doesn't work... backlight is not turning on! (I mean I cannot turn on my keyboard light with this code.)

But the keyboard works perfectly fine on my windows laptop...!

Fn+Sl also doesn't work!

Score: 1
vackraetraed avatar
terminal bash loses HOME path
in flag

I upgraded Ubuntu to 21.04.

$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 21.04
Release:    21.04
Codename:   hirsute

Now when I open a terminal from the file explorer and open a new tab using Ctrl+shift+t I get the following message in the terminal:

To run a command as administrator (user "root"), use "sudo <command>".
See "man sudo_root" for  ...

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