Latest Ubuntu related questions

Score: 0
Ehsan125 avatar
HP Prodesk 400 G7 Minitower Wifi not working on Ubuntu 21.10 nor 20.04 LTS
us flag

We have recently purchased 24 computer of HP Prodesk 400 G7 for our lab, we have installed Ubuntu 20.04 LTS and Ubuntu 21.10 through bootable USB drive. But it is showing that No Wifi Adapter found. We have tried several solutions, but none have worked for me. I have used following terminal commands to see the network devices attached:

$ lshw -c network

WARNING: you should run this program as super-user. ...
Score: 0
random person avatar
Bridging Internet connection with ubuntu server to connected clients
br flag

I was wondering if it was possible for my Client PC to get an internet connection in my Ubuntu Network.

My Network looks something like this: Router --> Ubuntu Server --> Ubuntu Client

However, I have two different Network cards on my Ubuntu Server with different IPs and if I put them in the same subnet the whole network falls apart.

I know that with Windows you can share internet connections but ...

Score: 0
How to make workspace in 2 dimensional layout in Ubuntu 21.10?
jp flag

Similar to this post: make workspace 2x2 on Ubuntu 14.04.1 LTS

enter image description here

I am unable to see any option for mix of horizontal & vertical workspace arrangement. How to do it?

Score: 0
ubuntu 20.04 laptop turns snow screen
cn flag
Guo

My laptop is MECHREV Code-01, with AMD 4800H and 32GB memory.
Recently the laptop shows snow screen after the following events:

  1. wake from sleep;
  2. screen goes dark;
  3. switch to TTY1 (using alt+ctrl+f1). Note that switching to other terminals work fine.

The issue occurs about one month ago. I reverted to previous backup image and the issue seems gone. Then it came back sometime later (probably trigg ...

Score: 1
jona avatar
Ubuntu 20.04 suddenly no backlight at login screen
uz flag

When my Lenovo Yoga 7 starts, suddenly, as soon as I can see the login screen, the monitor backlight gets dark. Even when I login it stays like this and I have to manually set illumination higher. Any idea where this comes from or how to stop it? Thanks in advance.

Score: 0
Cognito avatar
Repair WSL Ubuntu Python Installation
gd flag

I'm using WSL Ubuntu, recently upgraded from 18.04 to 20.04. I was trying to install python 3.8, and apparently had to remove the old bionic python 3.8. After doing so, I keep running into the following error:

E: Could not read response to hello message from hook [ ! -f /usr/bin/snap ] || /usr/bin/snap advise-snap --from-apt 2>/dev/null || true: Success

I'm unable to remove the other bionic pa ...

Score: 0
after fail upgrade, /usr/sbin/apache2 permission broken
br flag

version Linux 4.15.0-76-generic Ubuntu 18.04.4 LTS

the beginning of the problem

I checked the update error of apache during the apt-get upgrade process in the virtual server (cloudit).

First Message ... apache2 : Depends: apache2-bin (= 2.4.29-1ubuntu4.21) but 2.4.29-1ubuntu4.20 is installed ...

Try 'apt --fix-broken install': /unable to make backup link of '.usr/sbin/apache2' before installing ne ...

Score: 0
seiscomp installation without waveform progress (StreamMonitor)
fr flag

I installed Seiscomp 4 package. But unfortunatly the error appears by following command:

~$ slinktool -v -ppp -S GE_APE geofon.gfz-potsdam.de:18000
slinktool version: 4.1b-sc3
error: [geofon.gfz-potsdam.de:18000] socket connect error
Score: -1
Snerzel avatar
Ubuntu won't install anything Already tried the DNS server stuff
cn flag

My Ubuntu just will not install anything. It doesn't seem to mater what I try sudo apt install nvm, sudo apt install update, sudo rm -rf /var/lib/apt/lists/* and then sudo apt-get update. It just sits there showing all the things it failed to do until it times out. I've tried reinstalling ubuntu same problem.

Err:1 http://security.ubuntu.com/ubuntu focal-security InRelease
  Temporary failure resol ...
Score: 0
JJJohn avatar
Is it feasible to send a post in the form of some variables rather than raw string?
th flag

This code sends a post request to a specified url

urlStr='http://coliru.stacked-crooked.com/compile'
curl $urlStr -d '{"cmd": "g++-4.8 main.cpp && ./a.out", "src": "#include <iostream>\nint main(){    std::cout << \"Hello World!\" << std::endl;}"}'

where the url is given via the $urlStr variable

I'm trying to replace the other parts with variables

codeStr='#include <iost ...
Score: 0
JJJohn avatar
Is it feasible to send a post in the form of some variables rather than raw string?
th flag

This code sends a post request to a specified url

urlStr='http://coliru.stacked-crooked.com/compile'
curl $urlStr -d '{"cmd": "g++-4.8 main.cpp && ./a.out", "src": "#include <iostream>\nint main(){    std::cout << \"Hello World!\" << std::endl;}"}'

where the url is given via the $urlStr variable

I'm trying to replace the other parts with variables

codeStr='#include <iost ...
Score: 0
Aditya Bhuyan avatar
Ubuntu 21.10 is not waking up from lock or suspend on Dell Laptop
in flag

I have recently upgraded my system from Ubuntu 20.04 to Ubuntu 21.10. After upgrade I have observed an issue. The system is showing blank screen while locked or suspened. On mouse click or enter press it is not responding reulting to each time a restart. I have changed the screensaver from Gnome to xscreensaver, but nothing changed in behaviour. My system details are as follows:

Hardware Details

Score: 0
JJJohn avatar
How do I get the formatted text as in direct passing a string?
th flag

direct passing a string with $ to echo

$ echo $'#include <iostream>\nint main() {\n  std::cout << \"Hello World!\" << std::endl;\n}'

expands the embedded ANSI escape sequences

#include <iostream>
int main() {
  std::cout << "Hello World!" << std::endl;
}

I assigned the string to a variable

codeStr='#include <iostream>\nint main() {\n  std::cout << \"H ...

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