Latest Ubuntu related questions

Score: 0
Max.0x90 avatar
Grub recovery shell right after installing Ubuntu 20.04 LTS on new drive alongside other drive with Windows 10 and VeraCrypt full system encryption
kr flag

I installed Ubuntu 20.04LTS on a completely new drive (/dev/sdb) alongside Windows 10 with VeraCrypt, which is on /dev/sda. While installing I created a swap and an ext4 partition. The installation finished without problems and after rebooting I dropped into a grub recovery shell.

After that I tried to find the boot image using ls (hddx,x) but to no success. To make sifting through the drives eas ...

Score: 1
GNOME hotkey for both workspaces and launcher?
in flag

In Ubuntu 20.10, the super key would open the "show all windows" workspace view, and also allow me to type an application name to launch (ie. "launcher" functionality). Now in 21.04, it seems like the super key only opens either the launcher or the workspace view.

If the functionality is no longer combined like in previous versions, is there at least some way to have one keyboard shortcut for the  ...

Score: 0
gue22 avatar
UHD TV says mode not recognized for UHD or FHD at 60 Hz on 20.04
ni flag

Got a 2020 Samsung UHD TV hanging off internal Iris graphics HDMI native res 3840x2160 at 60 Hz either latest Win 10 or vanilla Ubuntu 20.04.

Recently the TV started saying "mode not recognized" when I boot into Ubuntu.

When I switch to a little multi-sync moni on the fly, res is at FHD at 60, which the TV should very well support. (When I boot 20.04 on a >10y old PC the 49" TV goes through all k ...

Score: 4
Marcel Hernandez avatar
Reset Xfce4 Application Finder Size
mx flag

On Xubuntu, when you press Alt+F3 the Application Finder usually pops up as a small window in the middle of the screen.

I messed up something and now it spawns as a much larger window at the top half of the screen. How do you reset it back to the original disposition? There doesn't seem to be anything relevant under "Preferences".

screenshot of the problem

Score: 0
Bean Time avatar
Cmake Error: Problem with archive_write_finish_entry(): Write to restore size failed
gu flag

I'm getting this error when running cmake ..;

... {more warnings, all unkown}
cmake -E tar: warning: unknown warning
cmake -E tar: warning: unknown warning
cmake -E tar: warning: unknown warning
CMake Error: Problem with archive_write_finish_entry(): Write to restore size failed
CMake Error: Problem extracting tar: /mnt/c/inav/downloads/gcc-arm-none-eabi-9-2020-q2-update-x86_64-linux.tar.bz2
CMake Error a ...
Score: 1
Jakub Klinkovský avatar
GNU make executes weird shell
cn flag

The shell function in GNU make behaves weird on Ubuntu. Consider this simple Makefile:

TEST1 := $(shell command -v sh)
TEST2 := $(shell /bin/sh -c 'command -v sh')
all:
        $(info TEST1 = $(TEST1))
        $(info TEST2 = $(TEST2))

Running make prints

make: command: Command not found
TEST1 = 
TEST2 = /usr/bin/sh

Weird. Why does the default shell not know the command built-in? And what is the defaul ...

Score: 0
Wilmer Lin avatar
Adding second ssd card to already dual booted pc (ubuntu 20.04 and windows 10)
cn flag

I currently have linux and windows installed on my pc with GRUB loader on linux. I want to add a secondary ssd for windows and was wondering if windows disk management can take care of the addition or would linux affect anything.

Thank you

Score: 2
Max Dax avatar
How to Headless Install Ubuntu 20.04 Desktop Environment for the Raspberry Pi 4 using UART Pins (TTL to USB Serial Port)
sg flag

I want to install Ubuntu onto my Raspberry Pi 4 using the desktop release build, not the server release build, because I do not have the time for the Pi to install all the huge packages and massive downloads via the internet for the desktop environment when using the server release build.

Now with that said, Ubuntu made it extremely difficult for raspberry pi users to enable SSH-server on the des ...

Score: 0
AK-CHP avatar
Error while updating mongodb
pe flag

I am trying to install mongodb using instructions given here but I am getting the following error while running sudo apt update:

W: GPG error: https://repo.mongodb.org/apt/ubuntu focal/mongodb-org/5.0 Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 656408E390CFB1F5
E: The repository 'https://repo.mongodb.org/apt/ubuntu focal/mongodb-org/5.0 Rel ...
Score: 0
A.G. avatar
How to add compression option in right-click menu?
it flag

In my Ubuntu 20.04 I lost the compression option from the right click drop-down menu. How can I recover/add it again easily?

I have zip & unzip packages. So I can do using Terminal. The right click option for .zip was there a few weeks ago. But now it is not there.

Instead I used B1 Free Archiver. But I need 'compress' in the right-click option.

Score: 0
gue22 avatar
Software Updater and Livepatch internet problems (?) since WLAN to Eth change
ni flag

Software Updater and Livepatch seem to have internet problems since WLAN to Eth change.

Livepatch refuses the same credentials as on a different up-to-date 20.04 installation. ("user or pw wrong")

Software Updater: Some suggest it's not the claimed network error, but some failing repository. When I try to remove a failing repository from Other Software I apparently run into the next bugs with remove ...

Score: 0
papercup avatar
how do I interpret netstat output?
cn flag

The netstat output -lt shows three localhost connections, is this ok or does it mean there are other users connected to my system? they are: domain, 2015 and 40939 Does this mean I have ports open and can I remove all except the domain one? ubuntu 20.04 desktop and firewall enabled and active

I don't know how to add an image but its port 2015 that I most concerned about how can I check what it is ...

Score: 0
Alex avatar
sshutlle failed: OSError: [Errno 88] Socket operation on non-socket
br flag

I have Ubuntu 21.04

  • Description: Ubuntu 21.04
  • Release: 21.04
  • Codename: hirsute

I have full workable Python environment:

$ python3 -m venv my_env
$ ls my_env
bin  include  lib  lib64  pyvenv.cfg  share
$ /home/proxyadmin/environments/my_env/bin/python3
Python 3.9.5 (default, May 11 2021, 08:20:37) 
[GCC 10.3.0] on linux
Type "help", "copyright", "credits" or "license" for more in ...
Score: 0
Lucas Luan de Melo avatar
Install ruby2.2.3 with RVM on ubuntu 21.04
ss flag

I trying to install Ruby 2.2.3 in Ubuntu 21.04 with rvm but I get stuck in the dependencies, libssl1.0-dev. I tried some tips found in this link:

  • Edit this file /etc/apt/sources.list and add this line to the end of it.

    deb http://security.ubuntu.com/ubuntu bionic-security main

  • After that run:

    sudo apt update && apt-cache policy libssl1.0-dev

But I get stuck in two errors:

First when I ...

Score: 1
gue22 avatar
Settings > Users > Unlock button does not work (20.04)
ni flag

Settings > Users > Unlock button should trigger "Auth required" but does not work / is disabled in 20.04 Gnome, just prompts "Dialog is locked" on hover. Duh!

sudo gnome-control-center I guess is not the point of a working GUI.

TIA

Score: 0
anonymous_siva avatar
Ubuntu doesn't boot up shows black screen
cn flag

I ran into the problem mentioned here but while booting using USB it installed ubuntu fresh. Even after that, ubuntu doesn't boot it shows a black screen. I was able to boot by going to Advanced Ubuntu options and shows four options

  • Ubuntu, with Linux 5.8.0-59-generic
  • Ubuntu, with Linux 5.8.0-59-generic(with recovery mode)
  • Ubuntu, with Linux 5.8.0-43-generic
  • Ubuntu, with Linux 5.8.0-43-generic(with reco ...

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