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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 2023. Only use this tag for version-specific questions.

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I keep getting GPG Error: “The following signatures were invalid: 630239CC130E1A7FD81A27B140976EAF437D05B5”

When trying to do a apt-get update I was getting gpg error: The following signatures were invalid: 630239CC130E1A7FD81A27B140976EAF437D05B5 I deleted the key using: sudo apt-key del ...
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LibreOffice Calc crashes in Ubuntu 18.04

I just updated yesterday (Nov. 11, 2018) to Ubuntu 18.04, from 16.04, and cannot seem to open LibreOffice Calc - when I selected it from Applications, everything crashed, and I got a green geometric ...
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My keyboard doesn't work after sleep mode

I have a problem for some weeks with my keyboard when I leave sleep mode: the last doesn't want to work. Below, I put the piece of line that appear when I leave sleep mode, just before the log screen ...
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1answer
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Upgrade to 18.04 from 16.04: cannot boot into desktop

Have an older Dell Inspirion 5720 that I just upgraded to 18.04... When the machine rebooted, it basically goes into an endless wait state: the GUI never loads and if I flip around on the terminals, ...
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Is ASUS X205TA hardware supported in newer Linux Kernels?

I've recently installed Ubuntu 18.04 on my friend's X205TA netbook. I ran into quite a few problems during and after the install, including no boot, freezes, malfunctioning audio jack, no battery ...
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Not possible to install anything on Ubuntu 18.04 LTS

It's not possible to install anything on my Ubuntu 18.04 LTS. When I run sudo apt-get upgrade I get: Reading package lists... Done Building dependency tree Reading state information... Done ...
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Can’t boot Ubuntu 18.04. How can I fix it?

I recently upgraded from Ubuntu 17.10 to 18.04 on my Dell Inspiron 5100 AMD. I used it for several weeks but it would randomly crash and restart eventually. I left it on a week ago overnight and when ...
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23 views

Chrome Browser On Ubuntu 18.04 LTS [on hold]

I've recently moved from Ubuntu 12.04 LTS to 18.04 LTS (64-bit). With the new version, Chrome isn't provided by default (there must be a solid reason for that). Though, Chrome gave better performance ...
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Ubuntu boots to black screen after Update to Ubuntu 18

I have just tried to upgrade my Ubuntu to Ubuntu 18, and at one moment I had to choose if it should install new version of a certain file or keep the old one, and I selected to see the difference. ...
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16 views

Ubuntu 18.04.1 random crashes and slow cpu

I have a MEDION AKOYA S6217T MD99051 Laptop running Ubuntu 18.04.1. My Problem is, that it randomly (seems like it) crashes. Sometimes a few minutes after reboot, sometimes long after. With crash I ...
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sudo apt-get update connection timed out on new install of ubuntustudio

i have just installed the lts version of ubuntustudio and i am having issues using apt-get. sudo apt-get update Err:1 http://ci.archive.ubuntu.com/ubuntu bionic InRelease ...
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how to set notepadqq as default filezilla editor

I am new to ubuntu and i'm coming from windows. in windows i was using notepad ++ and i am used to its color scheme and features. I need to set notepadqq as the default file editor for filezilla. To ...
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18 views

Unable to Hibernate: Swap header not found

I hadn't allocated any swap partition while installing ubuntu before so I couldn't hibernate my laptop which gave error: couldn't find swap device,try swapon. I then created a swap partition using ...
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Ubuntu 18.04: Cannot access microphone in lenovo Yoga C930

I have installed Ubuntu 18.04 on a Lenovo Yoga C930. Works like a charm, super fast, except that built-in microphone does not show up in preferences: built-in mic missing What can I do to use ...
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Ubuntu stuck at file system check(boot) after updateliaaa

Recently i update my ubuntu version from 16.04 to 18.04.After reboot the system stucked on boot screen(the one which tell you which system process etc is starting).And the last line it says: fsckd-...
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Missing applications menues like 'file' 'view' 'edit' 'search' etc

I started a ubuntu 18.04 LTS on google cloud, installed ubuntu-desktop, nautilus, gnome-panel, gnome-settings-daemon, metacity, vnc4server started vncserver, connected through realVNC and the app i ...
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Black screen after tilt

I'm new to all this Ubuntu thing(Linux), I've downloaded and made a bootable USB of both 18.04 and 18.10. Installed them both on my laptop ( HP MEN 17-an0xx). But I've having issues with both versions,...
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Wifi card undetected after reboot on Ubuntu 18.04

After a reboot on ubuntu 18.04, my network adapter is unavaiable: I hqve the Message: No Wifi-Adapter Found in the settings. I already tried this solution, but it doesn't work. My machine is a ...
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Recovered cursor after freeze but now touchpad has limited function

Running Ubuntu 18.04 on a Lenovo Thinkpad 11e. I updated my software earlier today, not sure if that might be related to my issue. My cursor froze but I still had keyboard function. Restarting the ...
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13 views

Trying to backup a folder in Ubuntu 18.04 to Google Drive

I selected folders I want to backup & the ones to exclude, logged in to my Google (business suite) account, granted permissions & installed duplicity package in the Ubuntu Backup Manager. But ...
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1answer
13 views

Package krb5-kdc is not available [duplicate]

Ubuntu Server 18.04 Tried: ~$ sudo apt-get update Hit:1 http://archive.ubuntu.com/ubuntu bionic InRelease Get:2 http://archive.ubuntu.com/ubuntu bionic-security InRelease [83.2 kB] Get:3 http://...
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33 views

Update to Ubuntu 18.04 from 16.04 failed - unable to boot due to Kernel panic

I ran an update from Ubuntu 16.04 and cannot boot anymore. I took all the distribution options when there was customized config conflict. I didn't do anything fancy during the update process otherwise....
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Tmux terminal only supports 8 colors, but default terminal supports 256

I am using gnome-terminal. I have installed Tmux and I am trying to make it look like this: However, my tmux looks like this: I added the following lines into my .tmux.conf: # set default terminal ...
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Issues Installing packettracer 7.2 in Ubuntu 18.04 [on hold]

I'm coming from Windows and want to switch to Ubuntu. I've been using Ubuntu 18.04 for one month. At university I was required to install packettracer 7.2 in its latest version, however I tried to ...
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21 views

Unable to install openjdk-8-jdk in UBuntu Server 18.04

I am running Ubuntu Server 18.04 and want to install opendjdk-8-jdk. I have tried doing these steps (Referred this). sudo add-apt-repository ppa:openjdk-r/ppa sudo apt-get update sudo apt-get install ...
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No Wifi. Airplane mode / Wifi switch issues Ubuntu 18.04 on Dell Latitude E5400 [duplicate]

This laptop had working wifi with 16.04. I eventually docked it and haven't used/checked the wifi lately. Updated to 17.10. Then full format and update to 18.04. Not sure if the wifi was working ...
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Ubuntu 18.04 freezes after resuming from suspend

After waking up from suspend, the computer just totally freezes, and a shutdown using the power button is the only option to exit it. Previously, I had ubuntu 16.10 which sometimes suddenly froze, ...
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24 views

Unable to Run Civilization VI in 18.04

I receive an error An unrecoverable error has occurred and Civilization VI cannot continue. I have libopenal installed. When I try to run it from the command line I get the following:
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15 views

WiFi randomly stops working until I restart the computer - 18.04 LTS

So it's already been more than a week with the 18.04 (updated from 16.04) and yesterday I encountered a problem. At random intervals the wifi just stops working. Chromium tells me there's no ...
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indicator multiload not displaying graphs properly Ubuntu 18.04

How it Looks the indicator does not look good to me I just install need to set it up
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1answer
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Is there a way to switch distributions without losing any data (settings, applications, home folder)?

Yes, I know. This might be a duplicate. However, this time it's a bit different. I'm considering of switching from Lubuntu 18.04.1 LTS to Xubuntu (exact same version). I could try the "Something else"...
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Missing /etc/default/grub/ file. Need to edit boot order. Grub reinstall doesn't seem to regenerate it

I have a EFI dual boot Win10/Ubuntu 18.04 surface-linux machine. Clean install runs great. I have no problem navigating the grub menu, and I have verified linux is install in the efi partition. For ...
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Multi-key hotkey combinations don't work on Ubuntu 18.04

On Ubuntu 18.04, hotkeys that have more than 2 keys aren't working for me. For example in PHPStorm there are combinations like ctrl+k AND ctrl+shift+k. Of these, ctrl+k works correctly, but ctrl+...
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38 views

Testing Ubuntu 18.04 on XPS 15 [duplicate]

Network devices don't show up. Is this a problem with the test version or 18.04?
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1answer
34 views

Ubuntu 18.04 - move a window left-right in the same workspace

How to move half left - half right a window in the same workspace with shortcut on unbuntu 18.04. On 16.04 it was ctrl+win+ left or right.
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1answer
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Asus touchpad not working ubuntu 18.04

I have an Asus n750j laptop with kubuntu 18.04 installed but I can't do a two fingers scroll with the touchpad. This is the output of xinput list ⎡ Virtual core pointer id=2 ...
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Recover files from non-booting FDE system

My full disk encrypted Ubuntu 18.04 installation only shows a black screen after requiring the encryption key, probably because I messed up some libraries. Before formatting and reinstalling, I need ...
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Ubuntu installation hangs at choosing installation type on Asus F541UJ

I can't install Ubuntu. I followed all the steps correctly, downloaded Ubuntu, copied the ISO file to a USB stick using Rufus. The installation starts by letting me choose the language and the ...
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31 views

Why taskbar doesn't appear properly on Ubuntu Budgie desktop?

Suddenly my taskbar have a bug when I start my computer!I remember that I did updates at last time that I used Budgie working good.However,it isn't possible to find a start menu and clock on my top ...
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50-mouse-acceleration.conf still does not disable mouse accel on Ubuntu 18.04 LTS

This is what I put in the /etc/X11/xorg.conf.d/50-mouse-acceleration.conf file. Section "InputClass" Identifier "My Mouse" MatchIsPointer "yes" Option "AccelerationProfile" "-...
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Bad sound in Ubuntu 18.04 except Firefox

I am pretty much a beginner with desktop linux and I recently installed Ubuntu 18.04 on my newly bought Lenovo P51s. Works fine besides a strange sound problem: Sound output (internal speakers) is at ...
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1answer
40 views

Can't remove ubuntu dock after upgrading to 18.04 [duplicate]

I just upgrade to ubuntu to 18.04 fr0m 16.04. I was using unity launcher but when I upgrade ubuntu version it switched with dock (I assume) Now I want to remove or hide dock. I tried these methods ...
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25 views

Network Card (NIC RTL8111HS) Driver installation 18.04

I just installed Ubuntu Server (Bionic Beaver) on a new PC. It seems like my internet connection does not work at all (pinging Google does not work and the orange LED on the ethernet port lights ...
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Bluetooth not finding any devices ( Ubuntu 18.04 )

Bluetooth not finding any devices in Ubuntu 18.04. I tried different solutions that were found on the internet but with no success. After the Bluetooth is enabled it keeps searching for devices until ...
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Resume after Hibernate with Ubuntu 18.04 with HP Probook

My computer I have a HP Probook 650G1 notebook, that I have never managed to hibernate with Linux. I have installed Ubuntu 18.04 with a dedicated swap partition (8.25 Gb), bigger than the installed ...
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Show Applications - Change icon size and/or grid

I have a 4x6 grid when click on the Show Applications icon in Ubuntu 18.04. The resulting icons look MASSIVE on my desktop. Is there a way to either alter their size or, ideally, alter the grid ...
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VNC gray screen when using systemd sudo service on Ubuntu 18.04

I'm following along with this tutorial. Everything is working well except for the 'VNC server system startup script' step. When I run VNC with the following command: /usr/bin/vncserver -depth 24 -...
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1answer
32 views

Ubuntu 18.04 Server - disable, uninstall, delete, erradicate ubuntu desktop!

Before you tell me this is a duplicate query, I call horse hockey!! I have implemented every searched comment to destroy ubuntu desktop on this server, and there so far has been absolutely NO WAY TO ...
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mysql cant install on ubuntu 18.04 becasue it cant create directory /var/lib/mysql that it just created

I upgraded to 18.04 from 16.04 and mysql instal failed. The error I am getting is it can't create a directory /var/lib/mysql which was there, and if I remove it the install process re-creates this ...
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1answer
57 views

Help getting RTL-SDR dongle working in Ubuntu 18.04 Mate with GQRX?

I am attempting to get a SDR setup on Release 18.04.1 LTS (Bionic Beaver) 64-bit Kernel Linux 4.15.0-34-generic x86_64 MATE 1.20.1 I have installed GQRX with the following.. sudo add-apt-...