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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36
votes
4answers
6k views

TTY doesn't wait for password

I upgraded from 16.04 to 18.04. When I press Ctrl+Alt+F3 I get the terminal which prompts for the username. When I type my username and press Enter, it doesn't wait for my password (its as if I ...
8
votes
3answers
2k views

How to get access to USB-storage from the application installed as Snap?

I have Ubuntu 18.04 LTS installed. I inserted USB-flash to my laptop. It was automounted to /media/username/DISKLABEL and opened in Nautilus. I can read and write objects to it. How can I access it ...
7
votes
1answer
6k views

What are the dev-loop services that started on boot?

After booting I ran systemd-analyze blame and here are the results: 21.596s systemd-journal-flush.service 18.658s dev-sda8.device 15.099s dev-loop33.device 15.034s dev-loop19....
270
votes
12answers
163k views

How can I remove Amazon search results from the dash or disable the feature?

How can I disable Amazon search results in the Dash?
23
votes
4answers
13k views

Long boot delay on Ubuntu loading/splash screen following regular dist-upgrade on clean SSD install (18.04)

I'be been running 18.04 since a clean SSD install on the day of it's official release, without issues. Power on to login was seconds (max 10) Then, I did a regular upgrade this morning: $ sudo apt ...
47
votes
6answers
23k views

Ubuntu 18.04 - Dell XPS13 9370 no longer suspends on lid close

This was working perfectly on 17.10 but after upgrading to 18.04 yesterday, when the lid is closed the screen turns off but doesn't suspend properly. I travel around a lot and immediately noticed the ...
5
votes
3answers
2k views

How can I make Ubuntu 18.04 / 18.10 desktop use Unity (be like Ubuntu 14.04)?

I recently installed Ubuntu 18.04 and I'm not keen on the desktop environment. I want the desktop env. I used to have in Ubuntu 14.04. How can I get it? I've attempted to use this answer, but when I ...
17
votes
2answers
12k views

17.10 to 18.04 upgrade freezes during boot

I just took a working Gateway P4 desktop computer and upgraded it from 16.04LTS all the way to 17.10 without any problem. As soon as I tried to install 18.04LTS, I had trouble booting. I've ...
4
votes
2answers
4k views

Wi-Fi doesn't work on Ubuntu 18.04.1 LTS (RTL8723BE)

When I installed Ubuntu for the first time I had to do some work with the terminal because my Wi-Fi reception was lower than on Windows: echo "options rtl8723be ips=0 fwlps=0 ant_sel=1" | sudo tee /...
72
votes
2answers
55k views

18.04 ctrl+shift to change language

Can I use Ctrl+Shift for changing languages? I can't set this hotkey for changing keyboard languages. At this moment Alt+Shift switch languages, but I can't see this hotkey in keyboard hotkeys list ...
106
votes
11answers
138k views

Enable fractional scaling for Ubuntu 18.04

I recently installed Ubuntu 18.04 and discovered that the fractional scaling option that was in 16.04 is no longer there. 200% is too big for my display, and this answer didn't work for me (the ...
91
votes
3answers
73k views

Right click not working on Ubuntu 18.04

I have installed Ubuntu 18.04 LTS on my HP Pavilion series laptop. After installing this version of Ubuntu, right click is not working of my touchpad. How can I solve this? BTW: This question does ...
28
votes
3answers
9k views

Should I be offered the option to upgrade to 18.04.1?

I understand that the first point release of Ubuntu 18.04, namely 18.04.1 is now available and that my system should now offer it as an update. My current OS version is 16.04.5 LTS. In System ...
8
votes
1answer
2k views

How do I remove extra Skype icon or ghost icons for removed apps from GNOME shell?

When searching for "Skype" I always see these 2 entries. There is this duplicate blank Skype icon. Both of them seem to run Skype in the same way. But I've checked both /usr/share/applications, and ~...
15
votes
2answers
27k views

Can't start ubuntu-desktop after upgrade to 18.04

After the restart step of upgrading Ubuntu to 18.04, tty is opening instead ubuntu-desktop. And when I enter my login name and password, I am still in the tty. This is happening again in every restart....
3
votes
1answer
695 views

Live USB for installation does not boot, black error screen followed by visual artifacts on a purple screen

I'm trying to install Ubuntu 18.04.1 LTS Desktop with Rufus on a computer with the following specs: (CPU) AMD Ryzen 5 2600 (MOBO) ASUS Prime B450M-A/CSM (RAM) G-Skill Ripjaws DDR4 F4-2400C15D-...
44
votes
6answers
70k views

How to diagnose/fix very slow boot on Ubuntu 18.04

There is a long time where SSD does nothing. How can I find the fault and fix it ? Already checked /etc/fstab, no swap or anything wrong there (32GB of RAM, no swap) [ 2.173492] usb 2-1.6: New ...
28
votes
3answers
16k views

Nautilus-actions in 18.04

Nautilus-actions configuration tool, which was needed in order to have context menu actions in Nautilus doesn't seem available in the Software center in 18.04 LTS. (This seemed reported as a bug here ...
8
votes
2answers
16k views

How do I install the NVIDIA CUDA toolkit on 18.04 with Coffee Lake - is it supported?

I love the install of 18.04 and I also work with blender3d a great deal. I need the CUDA toolkit in order to render with my GPU instead of my CPU. I have read that it's critical that I get the right ...
11
votes
1answer
3k views

Ubuntu 18.04 error on waking up from sleep : Read-error on swap device

After the laptop has been in sleep mode for a couple of hours,when I try and resume my session I get the following error: Read-error on swap device It takes about 30 seconds for the login screen ...
31
votes
3answers
12k views

No secondary button (right click) on touchpad

I'm experiencing a serious problem with the new Ubuntu 18.04: System Dell XPS 13 with a freshly installed Ubuntu 18.04 LTS. Problem description The touchpad provides only primary button (single ...
24
votes
5answers
47k views

ubuntu 18.04 LTS bluetooth [0cf3:3004] discovery not working

I have upgraded ubuntu 16.04 LTS to ubuntu 18.04 LTS and since then bluetooth is not discovering any devices. Here are the steps I performed: Turned bluetooth on from settings (seems lag to moving ...
26
votes
3answers
8k views

How can I replace Snap application such as Gnome Calculator with a deb?

So, thanks to this bug: https://bugs.launchpad.net/ubuntu/+source/snapd/+bug/1575053 I would rather not use Snap packages. The only one that I really use is Calculator but I would like to replace all ...
30
votes
7answers
48k views

How to turn off screen rotation in Ubuntu 18.04 LTS?

In Ubuntu 17.04 there was 'Rotation' menu in Display tab. But now in new version of Ubuntu, there's still a Display tab but no more rotation menu. Now I can't turn that off again since I upgraded to ...
3
votes
2answers
4k views

Cannot downgrade wpa_supplicant to fix Wi-Fi connection to a corporate network (WPA2/PEAP with no CA certificate) in Ubuntu 18.04

I recently upgraded my Ubuntu from 16.04 to 18.04 (clean install, full wipe). Now I can no longer connect to the corporate network at my office (perhaps related to these bugs: bug 1, bug 2). What ...
55
votes
3answers
37k views

How to Encrypt /home on Ubuntu 18.04?

Disappointed to see that the 18.04 installer no longer offers the option to encrypt the home directory. According to this bug report referenced in the installer, the recommended method for encryption ...
33
votes
3answers
28k views

How to scale the enormously sized desktop icons in GNOME 3.28?

I just upgraded to 18.04 from 16.04. I am using gnome-shell, gnome-ubuntu-desktop. After upgrading the icon size on desktop are very large. I am unable to find my option to decrease the size in ...
6
votes
6answers
25k views

Trying to install Ubuntu on Dell XPS 15 (9570)

I have been trying to install Ubuntu on my new laptop: Dell XPS 15 (9570) Windows 10 Home 64bit English 8th Generation Intel(R) Core(TM) i7-8750H Processor (9M Cache, up to 4.1 GHz, 6 cores) ...
12
votes
2answers
8k views

Why does “Airplane Mode” keep toggling on my HP laptop in Ubuntu 18.04?

I have an HP Spectre x360 convertible laptop and I'm running Ubuntu 18.04. Every time I turn the screen sideways or in tablet mode and back, 'Airplane Mode' is activated. In fact, when I boot up and ...
15
votes
7answers
46k views

GDM3 does not start in Ubuntu 18.04

I recently upgraded my laptop from Ubuntu 17.04 to 18.04. It worked perfectly well and I have been using it without any problem, but yesterday I issued sudo apt upgrade and it upgraded some packages. ...
4
votes
1answer
5k views

Lenovo Thinkpad E480 - No Wifi Adaptor Found in Ubuntu 18.04

I have recently a purchased Lenovo Thinkpad E480 laptop, I have installed Ubuntu 18.04 on it, everything is working fine except am not able to connect to network via WiFi. Please help. I followed ...
58
votes
8answers
127k views

How do I Install CUDA on Ubuntu 18.04?

Is there any tutorial to install CUDA on Ubuntu 18.04? The instructions on the Nvidia website for 17.04 and 16.04 do not work for 18.04. I get a message telling me to reboot then re-run the ...
29
votes
3answers
4k views

After most recent kernel update (4.15.0-44-generic) my tablet freezes whenever plugged into docking station

I performed the most recent kernel update on my Dell 5290 2-in-1 earlier today. But moments after I plug it into its docking station, the screen flickers, blanks and freezes. The only item left on ...
28
votes
3answers
6k views

How to set a Compose Key in Ubuntu 18.04

Now that Unity is gone, the usual way of setting a Compose Key (via Keyboard Preferences > Layout) no longer works (because in Ubuntu 18.04, Devices > Keyboard has no Layout tab). How do we set a ...
6
votes
1answer
3k views

(18.04) How to disable the window resizing when accidentally touching one of the screen edges?

When moving the windows there is a resize effect that occurs when accidentally touching one of the screen edges. This control was available in CCSM and Ubuntu Tweak in previous versions. I'm not ...
10
votes
1answer
4k views

Why did Bionic kernel update to 4.15.0-24 get removed from the repos?

This kernel update was pushed out on Monday, and I updated most of our systems to it. Today I got around to updating the last system, and the kernel update was not available. It appears that it was ...
4
votes
1answer
2k views

Java version problem with Eclipse and NetBeans on 18.04

I'm new to Ubuntu, using 18.04 and trying to install Netbeans or Eclipse but neither of them works. At first my java was version 10. Searching for solutions I found many suggestions to install ...
96
votes
10answers
39k views

How can I install pdftk in Ubuntu 18.04 and later?

Is there any chance of getting pdftk working in Ubuntu 18.04? I need this for creating PDF files with a watermark in shell. Or, does anybody know a working alternative to pdftk to generate a PDF ...
23
votes
5answers
25k views

How do I enable 'minimize on click' on Ubuntu dock in Ubuntu 17.10 and later?

I am talking about when you click on the icons in the dock This command (obviously) gsettings set org.compiz.unityshell:/org/compiz/profiles/unity/plugins/unityshell/ launcher-minimize-window true ...
29
votes
2answers
14k views

Boot hangs for 30 seconds at “Begin: Running /scripts/local-premount”

After upgrade from Ubuntu 17.10 to 18.04 the bootprocess takes 30s longer than before. it stops for 30 seconds at the step Begin: Running /scripts/local-premount Then it continues. At first it ...
2
votes
3answers
2k views

How to install Ubuntu on ASUS F556U, JournalError error?

I'm trying to install Ubuntu 18.04 on my ASUS F556U laptop without success. I already asked other questions on the subject, thinking that the problems were by UEFI mode. Well surpassed that, I already ...
11
votes
1answer
105k views

How to install Ubuntu 18.04 alongside Windows 10 [duplicate]

How to install Ubuntu 18.04 alongside Windows 10? I have tried different process to install Ubuntu 18.04 in my PC in dual boot mode alongside Windows 10. But it turned out that most of the process ...
12
votes
4answers
41k views

The 'grub-efi-amd64-signed' package failed to install target/ [duplicate]

I am unable to install Ubuntu 18.04. To start things off, I see a black screen instead of installation instruction after booting the liveusb using BIOS boot (not UEFI). Not sure why this black screen ...
13
votes
6answers
29k views

Brightness problem Ubuntu 18.04 LTS

I have upgraded to ubuntu 18.04 LTS the display brightness controls are not working. It appears that the brightness is in its lowest level and I am not able to change display brightness at all. It was ...
11
votes
9answers
10k views

AMD RX480 Screen flicker after update to 18.04

As mentioned in the title. Was upgrading from 17.10. Having this screen flickering. My GPU is AMD RX480 What I did: Search for similar issues for 18.04, can't find any Perform fresh install. Still ...
10
votes
2answers
19k views

How to install an application that requires gksu package on ubuntu 18.04?

I downloaded the Upwork desktop App on ubuntu 18.04. When I open it with Gdebi package installer I saw this error: I tried to install gksu manually via sudo apt install gksu but I got this error ...
20
votes
3answers
8k views

Ubuntu 18.04 fresh installation, Thunderbird inbox “invaded” by large icons (coloured emojis)

From my old HD (Ubuntu 16.04) I copied ~/.thunderbird and other programs to the new disk with Ubuntu 18.04 installed. All went good. I tried to install Opera. The installation was unsuccessful, a ...
20
votes
1answer
10k views

Printer “Filter failed”

Upgraded to 18.04 from 16.04. I have a workplace printer connected through appsocket which stopped working. Printer status is Idle-Filter failed. Printing queue instantly goes to "stopped". Right ...
9
votes
1answer
1k views

Ubuntu 18.04 - get Ubuntu dock to only display the windows from the current screen (monitor)

I am using Ubuntu 18.04 (with Linux kernel 4.15.0-33-generic) on a setup with laptop and an external monitor. Is there a way to make the dock in Ubuntu 18.04 only display the windows from the current ...
12
votes
1answer
20k views

JavaFX missing, Ubuntu 18.04

I have Java 8 and Ubuntu 18.04. I'm using NetBeans and when tried to make some program, it couldn't be done because JavaFX is missing. I installed Java JDK with NetBeans from Oracle's site and ...