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R 4.0 library problem lgfortran

I am trying to install some libraries in my machine with R (r version 4.0). I tried to run this command : install.packages("libcoin") But it failed, here a large part of the output: * ...
-1
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0answers
9 views

How to make Xorg forget about configuration file

On stock Ubuntu 20.04.2 with Gnome 3.36.7 desktop; GDM; X.Org X Server 1.20.9 Prelude: Yesterday, in an attempt to get rid of screen tearing in Totem, I have introduced an Xorg config file. I have: ...
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11 views

how to run non root user command as a service?

I wrote a command to take sql server back in ubuntu 18.04 and put that command in the .sh file. It is working fine either i run the command directly in terminal or run by .sh file, in both cases ...
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0answers
6 views

installing cuda 11.3 on ubuntu 18

i tried to install cuda 11.3 on ubuntu 18 according to Driver Version: 465.19.01 ,using guide installation in 'https://developer.nvidia.com/cuda-downloads?target_os=Linux&target_arch=x86_64&=...
0
votes
1answer
10 views

Running multiple version of gnome-shell

I have downloaded newer version of gnome shell (not gnome 40 version) but instead of installing it to default environment I want to test it before using it. Is it possible to do it or I have to ...
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0answers
10 views

What compositor does Ubuntu 20.10 use by default

I have done a clean minimal install of Ubuntu 20.10 in a VMWare Player virtual machine, running on an Intel Core i9 based PC. I would like to know which compositor is used by default. I am using the ...
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0answers
7 views

Second monitor not detected since update, Ubuntu 20.04

Every thing was working fine until this morning, I had an update prompt. I accepted. Since then my second screen is not even detected. I have a dual boot with windows. The second screen works fine on ...
0
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1answer
22 views

do-release-upgrade from 20.10 to 21.04 on Raspi not working?

I get a message that no new versions are available. Any idea, why this happens?
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0answers
8 views

Long boot time, /etc/initramfs-tools/conf.d/resume not found

After I mount a hdd I am finding relatively long boot time on ubuntu 20.04. On my PCI gen4 nvme, systemd-analyze Startup finished in 10.499s (firmware) + 3.259s (loader) + 4.428s (kernel) + 8.384s (...
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16 views

How to manage to split screen in a special way

Hard for me to explain what I need but I'm going to do my best. I've got a stretch screen (1920x540 resolution) and a XUbuntu OS. I've got contents in 960x1080 I've managed to set 2 virtuals ...
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0answers
5 views

Installed Oracle JDK8u121 on Ubuntu 20.10 but cant set .Jar Files to open with Java

Running Ubuntu 20.10 x64. I installed Java 8 from this guide: https://www.javahelps.com/2015/03/install-oracle-jdk-in-ubuntu.html I have downloaded and extracted the Java JDK 8u121 x64 tar file from ...
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0answers
17 views

Symbolic link from Nas to home folder

I'm trying to create a link from my unraid Nas to my Ubuntu vm that I have running in it but ever time I make it the link says its broken and wants me to remove it
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0answers
9 views

Problem with sign in on the Unity 3D's hub engine

I am trying to install the unity 3D by this instruction: Install Unity3D on Linux But I have the sign in problem in unity 3D's hub engine via my Ubuntu OS, as you can see below: Also, the log file is ...
0
votes
1answer
14 views

Why do I need to source ~/.bashrc manually everytime when I restart a session in Ubuntu 18.04

I'm using ubuntu 18.04 ,and use ssh to connect to my lab's server. But since a week ago, everytime I open a terminal through ssh, I can't use conda activate * ,it says don't have the command "...
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0answers
10 views

Anydesk showing black screen until Ubuntu user is logged in

I am unable to find a resolution to this, can someone advise I have anydesk running on my windows PC and remote Ubuntu machine. When remote Ubuntu machine boots up, my any desk screen will only show ...
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0answers
10 views

how install wget ver>18 on ubuntu 16.04?

I need to install wget newer version >=18 on ubuntu 16.04. sudo apt-get install wget installs wget 17 version
1
vote
1answer
19 views

How to disable Ctrl + Tab in Ubuntu 20.04?

I usually cycle between tabs (e.g. in Chrome, Visual Studio Code, etc.) with Ctrl+Tab. But in my Ubuntu 20.04 this key combination displays this instead: Is it possible to disable this and let ...
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0answers
14 views

Can't install apt-transport-https on Debian 9 stretch due to unmet dependencies [closed]

I am trying to install Node 10 on Debian 9 stretch in Docker. If I run: docker run -it drupal:8.6.1-apache bash And in the container I run this script to install Node 10: curl -fsSL https://deb....
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0answers
8 views

How does Syslog-ng server collect logs from multiple clients

I have Syslog-ng in my Ubuntu 20.04 to collect logs from a single client without any issue. I tried to set up multiple clients by using "filter" parameter. No error message after restarting ...
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0answers
8 views

Parts of display glitching after using snap

I'm using an Ubuntu 20.04.2 LTS Asus x550vb laptop with Intel HD Graphics 4000 and a NVIDIA GeForce 740M. Parts of the screen are randomly glitching. Areas from one part of the screen move to another, ...
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0answers
15 views

Ubuntu 20.04 - Mate desktop went wacko

I don't really know how to describe this issue. It just popped up a while ago and I don't recall what might have triggered it. Just seemed to happen. I'm perplexed. When I open a brownser, that looks ...
1
vote
0answers
18 views

How to connect your phone as a USB modem to kubuntu

I just downloaded kubuntu 20.04 and immediately installed the drivers with the apt install nvidia-driver-460 command. After that, I can't connect the phone as a modem, although everything worked fine ...
0
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0answers
26 views

Installing apt-get on linux

I am trying to use chromedriver and I am told that I need to install a package called libnss3 via apt-get from this answer. Unfortunately I get apt-get command not found. I have tried forever ...
0
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0answers
18 views

KDE-Plasma does not look like it should

Ubuntu version: 20.04 I have been using RHEL for long time form server purposes (mostly only text), but I'm newbie in Ubuntu for Desktop daily usage. Previously I had original gnome and installed KDE-...
-4
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0answers
13 views

Updatingnotebook

I am having problems in updating my Ubuntu, even after downloading the image of the new version it do not open and do not allow me to install any drivers. I can´t even uninstall it. Please help
0
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2answers
31 views

Why did adding read permissions recursively to /etc break ssh?

For reasons I am too embarrassed to share, I ran this command as root on a remote server: chmod a+r -R /etc Once I logged out of the SSH session, I was not able to SSH back in: $ ssh myusername@<...
0
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0answers
13 views

How to fix this error while compiling the kernel

I have been trying to compile the kernel on Ubuntu. But when compiling its giving me an error. Does anyone can tell what this error is about? I am noob at this stuff. Please let know what can I do to ...
0
votes
1answer
18 views

Where is a particular snap program located

I installed Opera and found it is a snap program. It's not listed in the Menu and a search for opera* found all kinds of listings. How can I find where it is installed? Thanks.
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0answers
8 views

grub-install on Separate Device Affects Existing Grub

I have Ubuntu 20.04 as my host machine. I create an image that I intend to use as an image for qemu that will have just the linux kernel and my program: sudo su # Create 1G image dd if=/dev/zero of=...
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0answers
8 views

Ubuntu 20.04 not starting without nomodeset on Lenovo Titanium

I am not able to start Ubuntu 20.04 without nomodeset in grub on Lenovo X1 Titanium Yoga lspci | grep VGA gives 00:02.0 VGA compatible controller: Intel Corporation Device 9a40 (rev 01)
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0answers
12 views

Cronjob truncate command output, running the command manually fix the issue

I just created a script to output htop automatically every n minutes using this method → https://askubuntu.com/a/726661/253251, I put the script on crontab so it can be executed daily. But the output ...
0
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0answers
12 views

kernel 4.15.0-140-generic disk performance issues in Ubuntu 18.04

I recently upgraded Ubuntu 18.04 from kernel 4.15.0-136-generic to 4.15.0-140-generic. Since that, I have seen high performance degradation in terms of IOs. My average CPU iowait is around 24% and ...
0
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0answers
7 views

Postfix — virtual_mailbox_domains are rejected

I am running Postfix 3.4.13 on Ubuntu 20.04. How I broke it: I tried to configure virtual mailboxes for each subdomain (main.cf and referenced files listed in full lower in this post). I removed @...
0
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0answers
18 views

How can i game in Xubuntu 20.04?

I have tried to install wine but it was giving N: Skipping acquire of configured file 'main/binary-i386/Packages' as repository 'http://dl.google.com/linux/chrome/deb stable InRelease' doesn't support ...
2
votes
1answer
19 views

F11 has suddenly become my 'Screenshot' key

I'm absolutely new to using Ubuntu on a PC (but many MANY years ago, worked developing shell scripts in unix for several years), and am going through the pain of setting up my first Ubuntu PC from ...
0
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0answers
9 views

I get a frontend record lock error on install command

get this message in T when attempting any install including with sudo: Waiting for cache lock: Could not get lock /var/lib/dpkg/lock-frontend. It is he ... by process 5391 (apt)... 18s used: ps -aux ...
0
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0answers
20 views

Trackpad can't click in hirsuite

Today I installed Ubuntu 21.04. The installer booted up fine, and it got to the 'Try or Install' stage when I realised I couldn't click with the trackpad buttons. I clicked 'Install now' and went ...
0
votes
0answers
19 views

how to change location of swap

I am a new user of ubuntu 20.04. I installed and put swap partition in my laptop's (Dell inspiron 7520) original 30 Gb SSD. My main SSD is 480 Gb, ubuntu is in a 100 Gb partition. I made the WHOLE ...
0
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0answers
8 views

restore transmission-daemon status and list from broken ubuntu install

today i lost one of my vm's (the disk image refuses to boot but is still accessible). given the age of the install i decided i would just go with a fresh install. i have restored almost everything, ...
0
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0answers
12 views

Trying to create a usb bios flash with Ubuntu

I am building a new PC but I got a motherboard (Gigabyte A320M-S2H) that is not compatible with my cpu (Ryzen 5 2600x) out of the box so I need to flash the bios. The only PC I have access to is an ...
0
votes
0answers
14 views

upgrading to another version

I have an Asus ZenBook 15 pro on which I have Ubuntu installed. Every once and awhile a screen comes up saying that there is a new version of Ubuntu available and do I want to upgrade? When I click ...
0
votes
0answers
39 views

After upgrade from 20.04 to 21.04 many applications won't start

I updated from 20.04 to 21.04. The installation completed successfully and rebooting works. But if I start Firefox or Writer or Chromium, the hours glass appears, but no window ever opens. I've tried ...
0
votes
0answers
17 views

Login incorrect or forbidden by policy

I am trying to boot the Ubuntu through recovery mode. When I select "Resume normal boot", I see the following window. Then, when I input the login and password, I get the red error: "...
0
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0answers
20 views

Ubuntu 20.04 kernel update

Currently I use Ubuntu 20.04 with 5.8 kernel. What's more I got Intel Iris Xe graphic that this kernel doesn't support. I believe that this graphic requires newer kernel. My question is as follows: ...
0
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0answers
40 views

Why is Pi 4 omitted from the quoted list of Raspberrys on which Ubuntu Desktop 21.04 will run?

Ubuntu 21.04 was released today so perhaps what I describe below is just a website error ? The page: https://ubuntu.com/download/raspberry-pi Lists the pies on which Ubuntu Server will run: Raspberry ...
0
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0answers
15 views

How to fix “Drop to root Shell Prompt”?

I cannot load the ubuntu through the normal boot. So, I am trying to work on that by "Drop to root shell prompt" in the recovery mode. But, when I try to write anything I see diamond ...
0
votes
0answers
11 views

GRUB Minimal bash-like editing is supported

I had Ubuntu 20.04 installed on my SSD and then I decided to remove it and install Windows 10. When I start my Windows installation I format all partitions and install Windows. But now I can't boot to ...
0
votes
1answer
15 views

Vagrant runs inline scripts multiple times, and ones which haven't been defined

I am spinning up multiple vms using vagrant, this is my vagrantfile (up to the first host, removing comments): # Installed Vagrant Version: 2.2.14 Vagrant.configure("2") do |config| config....
0
votes
1answer
26 views

Wifi can not find any networks after kernel update

After the last update on Ubuntu 18.04 (4.15.0-142-generic) my wifi fails to find any networks. wifi not finding images When I run sudo lshw -C network I get the following: *-generic DISABLED ...
0
votes
0answers
14 views

Connecting a third monitor to System76 Ubuntu laptop

I have a System76 with an HDMI port, which I currently use for a second monitor. Ideally, I'd like to connect a third monitor and then turn off the laptop's screen as it's not great for my posture. My ...

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