Questions tagged [18.04]

Seventh LTS (Long Term Support) release of Ubuntu, code-named "Bionic Beaver". Released on 26th April, 2018. Will go End Of Life (EOL) April 2028. Only use this tag for version-specific questions.

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Bluetooth does not turn on

Bluetooth does not turn on, no matter how hard I hit the ON button. Here's what sudo rfkill list says 0: phy0: Wireless LAN Soft blocked: no Hard blocked: no 1: hp-wifi: Wireless LAN ...
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How to reboot system if specific directory modified as a systemd service

I'm trying to create systemd service to reboot device. when hello.txt file content or file modified system needs to reboot. im try to achieve but i don't know rebooting indefinitely. Here is my ...
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At command not working

I am taking a course on Linux right now, and we have been instructed to do a task. We create a file "testat.sh" in the home directory containing the following: #!/bin/bash date > /tmp/timestamp ...
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screen flickering, turning off, 18.10 Intel

I recently moved my work computer home and hooked it to new monitors. One monitor works perfectly, the other (an AOC monitor connected via displayport) flickers and tears occasionally, and then will ...
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2answers
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Can't use sudo. wrong ELF class

I'm using Ubuntu 18.04. Whenever I try to use sudo, I get: [sudo] password for user: fingerprint-helper: error while loading shared libraries: libaudio.so.2: wrong ELF class: ELFCLASS32 so I cannot ...
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Questions about Ubuntu 18.04 LTS Install / partition sizing on SSD / HDD system

Hi Everyone – I am planning to upgrade my dual boot Ubuntu 16.04LTS/Win 10 system to 18.04LTS /Win10 and would love some opinions. My main drive is a 1TB SSD and my data drives are 2 8TB HDD’s running ...
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Ubuntu failed to start servers while turning on the machine

When I tried to turned on my ubuntu machine. It is not able to start the services and it halted on this screen itself(Screenshort attached below). Here I have attached my screen below. Earlier, I got ...
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Google search is not working in Ubuntu 18.04

I have a very peculiar problem. Sometimes Google search is not working. But if you type the website directly it works. Now to check whether it is a problem with my network, I connected the lan to my ...
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Ubuntu 18.04 PXE Network boot Failure

Installation of ubuntu 18.04 PXE network boot fails with grub error as shown in the attached pics.
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Dist upgrade to 18.04 breaks left & right mouse clicks and shortcut keys

Thank you in advance to anyone who reads this and offers any suggestions that might help. I have been working for over 3 days to find a solution and not being a 'power user' I have no real way of ...
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Ubuntu installation issues: executing grub-install /dev/sda failed 18.04, no pre-loaded OS on SSD

Here's everything I did: Booted from live USB with usb mode not uefi. Showed a blank screen with a blinking _ cursor for a while, only loaded the Ubuntu logo after I pressed an arrow key. Showed ...
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1answer
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Changing the desktop file name width under 18.04

The width allowed for the name of a file on the desktop under 18.04 seems to have shrunk dramatically compared with 16.04. The result is that names wrap in strange ways. I have tried resizing the font ...
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Keyboard and mouse not detected

I installed bumblebee, and did the reboot as instructed. After it booted, I logged in. Once I was on my desktop, external mouse and trackpad didn't work. Neither did my internal or external keyboard. ...
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HPLIP 3.19.6 didnt see USB HP LaserJet Pro MFP M125ra on 18.04

Problem: MFU works like printer but didn't work like scanner. Installed latest HPLIP Version: 3.19.6 from developers.hp.com. :~$ hp-setup hp-doctor command output: ------------------------------ | ...
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sound problem (Ubuntu 18.04): no sound after suspend

I have a sound problem (running Ubuntu 18.04 on an Acer Swift 1). After booting, the sound works perfectly fine at first (both via speakers and headphones). But if I suspend and then come back later, ...
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608 views

jitsi missing in apt

Is there a special reason why the jitsi messenger is missing in 18.04 (and since 16.04) repositories? It used to be in there with Ubuntu 14.04, but then was removed again. Are there issues with the ...
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1answer
239 views

Set pm-hibernate as default in Ubuntu 18.04

With the help of questions here at SO (1, 2) I managed to find a way of hibernate my computer. The only approach that worked was with uswsusp, which made pm-hibernate work, but now I can only ...
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sudo npm install -g ionic not working

I have been trying to install Cordova and ionic on ubuntu 18.04. Cordova installed fine, but ionic generated this error: WARN checkPermissions Missing write access to /usr/lib/node_modules/ionic ...
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1answer
1k views

How to install Kubernetes Locally via Minikube

Trying to learn more about Kubernetes I tried to install a standalone instance. If you try to run minikube it suggest to use snap. sudo snap install minikube kubectl snap info minikube Minikube ...
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Why do the packages in Synaptic Package Manager sometimes different from Ubuntu Software Updater?

There are times after running Ubuntu 18.04 Software Updater and I get the message “The software on this computer is up to date”. However, when I run Synaptic Package Manager there are several more ...
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Intel® UHD Graphics 620 (Kabylake GT2)

Is there anyway to get the latest version for this? On Intel website they say the latest is Version: 26.20.100.6912 (Latest)
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1answer
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How to install Docker Ubuntu 18.04 with https proxy error

I have an issue of installing Docker on ubuntu 18.04 When I try the following lines I get an https error due to there being no http version and we are behind a company proxy so it fails. sudo add-...
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1k views

Libreoffice won't launch ubuntu 18.04

so I try to use libreoffice only to discover that it never started, it show the start screen for half a second and that's about it. trying to launch it in console yield the following result spark:~$...
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1answer
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Heavy Disk and CPU usage [Kubuntu 18.04.2]

My Kubuntu desktop is seemed to have slowed down for the past two days and I don't know why. It was fine, all my programs worked great but since yesterday the desktop runs really slowly. ...
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How do I use a text editor to modify PHP files? [duplicate]

I'm new to both Ubuntu and PHP. I have an Ubuntu 18.04 virtual machine with PHP. I've successfully installed php, and been able to make and run some basic php programs in the command line terminal, ...
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Can I drag and drop from Evince to Thunderbird?

Sometimes I want to attach a PDF to an email in Thunderbird. I can drag and drop from Nautilus to Thunderbird, but if I already have the PDF open in Evince, it's nice not to have to hunt down its ...
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1answer
48 views

Why is my shrink size so small for my SSD?

I want to install Ubuntu alongside Windows 10 and I need to shrink size in my SSD but shrink size looks so small. I don't know why it is like that. Why can it be like that?
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Video files from a DVD needed admin rights

One night a few months ago I was trying to watch some videos that I had on a DVD. The DVD has several video files on it. The video files are from multiple sources. They are also all pretty old (...
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Ubuntu 18.04.2 LTS Installation Failure on HP CE 1000Tu Laptop

My new Laptop HP Pavilion 14 CE1000Tu came preloaded with Windows 10. I wanted Ubuntu and Windows so used the Windows disk management console to set around 80GB for Ubuntu. The problem is I am not ...
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1answer
31 views

APPEARENCE OF PURPLE SCREEN WITH NO UBUNTU LOGO FOR 1 MINUTE BEFORE APPEARENCE OF THE LOGIN SCREEN

I’ve recently upgraded Ubuntu from 16.10 to 18.04.02. The problem I’ve encountered is that when I boot Ubuntu, I temporarily get stuck on an all-purple screen with no Ubuntu logo for around 1 ...
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1answer
45 views

How to make windows button alone to open Main menu in KDE?

Is it possible to make windows button alone to open Main menu in KDE? If I am trying to do this with standard settings dialog, it waits for some additional key to be pressed.
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Resume from Suspend Kills all Processes with External Monitor

When I resume from a suspend with my external monitor connected to my Thinkpad T460p, all previously running applications are gone and I'm presented with a fresh, blank desktop. First I'm presented ...
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Ubuntu 18.04 LTS: how to install nvidia drivers for legacy GeForce go 6400 (NV44M)

I've searched around, tried the one from Nvidia (NVIDIA-Linux-x86-304-137.run), nothing worked so far for me. I always used LTS releases and when I did this upgrade from 10.04 I got this issue. It's ...
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1answer
48 views

Can't install Ubuntu on Dell G3 3779

it is the first time I'm trying to install Linux on my Dell G3 that I have 3 months ago. Well, when I bought it already come with a Linux (16.04 LTS) but in a HDD. I have made a little upgrade ...
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Atom doesn't install packages [on hold]

I'm using Mint 19.1 Tessa. I've installed Atom 1.38 and I can't install any packages on it, bot using wizard inside IDE and in terminal usin apm. Any ideas what might be the problem and how to fix it?
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Creating .iso file - which uses only used disk space

We would like to create an image of one of our existing VM's (Ubuntu 18.04 LTS) The disk space of VM is 50GB. Used space is 8GB. When I am creating a .iso file of this VM, the size of the .iso file ...
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1answer
2k views

How can I install both curl (depending on libcurl4) and mongodb (depending on libcurl3)?

On Lubuntu 18.04, I have installed mongodb, by following https://docs.mongodb.com/manual/tutorial/install-mongodb-on-ubuntu/#install-mongodb-community-edition sudo apt install -y mongodb-org mongodb-...
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1answer
8k views

What's the Difference between NVIDIA driver metapackage and NVIDIA binary driver?

Ubuntu 18.04 LTS gives me three choices for my GeForce GT730 card. Noveau (opensource) NVIDIA driver metapackage / nvidia-driver-390 (closedsource, tested) NVIDIA binary driver - version 340.106 / ...
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How connect mBot Ranger through bluetooth on linux

I got an mBot Ranger and it works fine to program with my Ubuntu 18.4 LTS with the makebot-ide. The problem is that I have to use an USB-cable. Makebot doesn't support bluetooth for Linux. So I guess ...
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Cannot Switch Terminal Ubuntu 18.04

Since I installed Ubuntu 18.04, I can not switch to tty3-7 from the login screen. Until Ubuntu 17.10, this worked perfectly using Ctrl+Alt+F3, F4, .. both from login screen and from user sessions. ...
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1answer
44 views

Graphics not working on Ryzen 2400g ubuntu 18.04.2

System specs: ASRock Fatal1ty B450 Gaming-ITX/ac motherboard. latest bios (3.3) 2x8gb Crucial Ballistix Sport LT 8GB DDR4-3200 PC4-25600 ram BLS8G4D32AESBK Ryzen 2400g Distros tried: 19.04 18.04.2 ...
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CUDA 10.1 deb install for Ubuntu 18.04 fails to initialize NVML

Ubuntu 18.04 with 4.18.0-15-generic. I've been following along https://www.pugetsystems.com/labs/hpc/How-To-Install-CUDA-10-together-with-9-2-on-Ubuntu-18-04-with-support-for-NVIDIA-20XX-Turing-GPUs-...
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Unusual behaviour of shortcut

Whenever I close an application with Alt+f4 shortcut, after closing that application several windows of file manager(nautilus) start opening and it doesn't stops. It hangs the laptop and no other ...
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Can't change wallpaper - Xubuntu 18.04

I'm using Xubuntu 18.04 on my personal laptop, but I'm unable to change the wallpaper. I used to do it by right-clicking the desktop and then changing the desktop properties. Now the right-click ...
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2answers
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Can we disable cron services in desktop?

I was reading about EvilGnome and how it hijacks a system. One of the interesting thing I read was how it uses crontab The Linux implant also gains persistence on a targeted system using crontab, ...
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Stuttering Bluetooth Audio 18.04

Problem: Audio over bluetooth is unlistenable due to constant stuttering. System details: Kubuntu 18.04 USB bluetooth dongle (listed in lsusb as: 0b05:17cb ASUSTek Computer, Inc. Broadcom ...
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13 views

How can I install Nvidia drivers for CUDA10.0 but still run the monitor from the integrated graphics card? Ubuntu 18.04

I have a new workstation with a GPU for calculations (not graphics) and I was running the screen via the integrated graphics card, which is an Intel i7. I use Ubuntu 18.04. Then I installed CUDA 10.0, ...
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The only way 18.04 would download was as an ISO archive as opposed to an image. I am unable to commence the install from the archive [on hold]

I've used two different programs - Universal-USB-Installer-1.9.7.8, win32diskimager-1.0.0-install - to try and create a bootable USB but all they do is copy the discrete folders onto the drive and not ...
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1answer
53 views

audio stuttering/crackling in ubuntu 18.04

The audio is stuttering/crackling whenever played in external speakers/headphone or the laptop's speaker. I have tried several solutions to no avail, and different combinations of them: https://unix....
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15 views

Ubuntu 18 Share Desktop via appear.in

I'm using https://appear.in in chrome on ubuntu 18.04 to share my screen. When i click "share screen", i got "could not start screensharing; browser having trouble accessing your screen" On ubuntu ...