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Questions tagged [18.10]

Ubuntu 18.10 (Cosmic Cuttlefish) was released on 18 October 2018 and is supported till July 2019.

8
votes
3answers
3k views

Can't install Ubuntu 18.10 on XPS 15 - EFI\BOOT\mmx.64 not found

I tried to install Ubuntu 18.10 on my XPS 15 9570 earlier. Everything was working fine until I got to the partition selection part of the installation. That's when the installer crashed and I had to ...
5
votes
2answers
363 views

Custom thumbnailers don’t work on Ubuntu 18.10 and 18.04

Recently I had a bunch of my own scripts for the thumbnails in Nautilus: WebP previews, sound waveforms, office documents and so on. Seems like either I’m doing something wrong (thumbnail generation ...
4
votes
1answer
632 views

Ubuntu 18.10 Cosmic not starting GNOME session on bootup

To better describe the above problem, whenever I start up my Ubuntu/Windows 10 Machine and select Ubuntu, whenever the machine tries to start the GNOME Desktop Environment, it says it started it ...
1
vote
1answer
119 views

lubuntu 18.10 x64 installed on USB stick clone to usb stick 2

Help! Creating clone from a cosmic installed bootable USB stick; I have a working running USB stick with lubuntu 18.10 cosmic on it. I installed the stick by a normal lubuntu 18.10 .iso. Now I ...
3
votes
1answer
2k views

Cannot change login screen background in 18.10

I changed both the desktop and login screen background photos. However,only desktop photo is changed. The one on the login screen is still the purple Ubuntu one. Is this a bug?
3
votes
2answers
917 views

No sound after upgrade to 18.10, only a dummy device is shown

After I updated to Ubuntu 18.10 my sound device isn't recognized anymore. Only a dummy device is shown. I have an onboard Intel device: lspci -nnk | grep -A2 Audio 00:1b.0 Audio device [0403]: Intel ...
3
votes
0answers
577 views

Lock screen curtain in Ubuntu 18.10 won't open

After upgrading to Ubuntu 18.10, the lock screen curtain does not respond to any input. As I understand, it should be possible to swipe up with the mouse, press Space, Esc, Enter or just start typing ...
2
votes
1answer
195 views

ubuntu.css missing in Ubuntu 18.10

To install theme for login screen I need to change /usr/share/gnome-shell/theme/ubuntu.css. But it is not there. What is the alternative for that file in Ubuntu 18.10?
4
votes
1answer
913 views

KVM\qemu installation issue (18.10)

I'm trying to install KVM\qemu on Ubuntu 18.10. According to this page I'm running the command: apt-get install qemu-kvm libvirt-bin ubuntu-vm-builder bridge-utils and get an error about the packge ...
3
votes
1answer
426 views

After Upgrading from 18.04 to 18.10 the right dock background color remains black, can't set to transparency mode

I was using Ubuntu 18.04 with my right dock with transparency. After updating, the background dock color is black. I followed the steps answered here: Full transparency on Ubuntu 18.04 dock but the ...
1
vote
0answers
99 views

Brightness function keys do not correspond well with brightness of the Thinkpad screen

I followed the procedure described in the below link to make the brightness function keys work on my Thinkpad X1 Extreme with Ubuntu 18.10 installed, however brightness does not correspond to the key ...
0
votes
0answers
118 views

Ubuntu 18.10 shows black screen with blinking cursor after I rebooted a Thinkpad with hybrid GPUs [duplicate]

To switch to Intel GPU from Nvidia 1050Ti, I entered "sudo prime-select intel". Something like: get Intel information showed up on the screen. I logged out and logged in. I went to About but it showed ...
3
votes
2answers
304 views

Why does the dock appear on the left when my screen is locked?

The dock doesn't work correctly after I enter my password, either.
3
votes
1answer
763 views

Change login screen purple background 18.10

This is almost a dup of this question, but with a slight variation. Instead of using a picture file for the login screen background, I'd like to use the same solid color background that I've set for ...
2
votes
3answers
925 views

18.10 frozen after installing on an Xiaomi Mi Notebook Pro

Here are the specifications of my laptop: Xiaomi Mi Notebook Pro (i7-8550U) Laptop Review Processor: Intel Core i7-8550U Graphics adapter: NVIDIA GeForce MX150 - 2048 MB Memory: 16GB DDR4-2400 ...
6
votes
0answers
496 views

Desktop is visible after suspend

After upgrade to Ubuntu 18.10 I have noticed a strange behavior. When I close the lid on my notebook, it goes in to suspend, as expected. But, when I am returning from suspend the desktop is visible, ...
5
votes
2answers
329 views

Upgraded from 18.04 to 18.10, now suspend doesn't work anymore

I upgraded from 18.04 to 18.10 using the standard procedure, and now whenever I suspend my laptop it actually shuts down. I notice this only after I press the button to "un-suspend", because I see ...
4
votes
2answers
2k views

Unable to run Sublime Text 3 on Ubuntu 18.10

I've just installed a fresh copy of Ubuntu 18.10 on my system. I updated the OS via sudo apt-get update and sudo apt-get upgrade commands. After that I installed Google Chrome. These are the only ...
2
votes
1answer
595 views

Ubuntu 18.10 GUI does not load when NVidia drivers are installed

I'm using Ubuntu 18.10 with Linux 4.18.0 Kernel on Ryzen 1700 with NVidia GTX 1050 graphics card. The system works normally when Nouveau drivers are used. However when I try to use the NVidia open-...
1
vote
1answer
46 views

How to get wallpaper file name if using dynamic wallpapers?

I have a hundreds of images in some folder and use xmlback script to generate background.xml file and set it as a wallpaper. So, now: $ gsettings get org.gnome.desktop.background picture-uri 'file://...
0
votes
0answers
53 views

What does pressing Alt do when suspending the computer?

This question is related to my previous question, where I saw weird behaviour with my 18.10 installation after waking the computer from suspended mode. I figured out that I was using an incorrect ...
0
votes
2answers
211 views

I have to press Ctrl+Alt+F1 on new Ubuntu 18.10 install to unlock after sleep

I recently installed 18.10 on an old 4th gen Core i5 desktop and I'm seeing a peculiar issue with the sleep/wake behaviour. The computer sleeps normally, but everytime I wake it, the screen isn't the ...
4
votes
1answer
256 views

Firefox becoming unresponsive after suspending on Kubuntu 18.10

I recently upgraded my Kubuntu system from 18.04 to 18.10. An issue that I've been experiencing since the upgrade has been that Firefox 63.0 has started becoming unresponsive after resuming the system ...
3
votes
0answers
322 views

How to get Scilab 6.0.1 working on Ubuntu 18.10?

I have installed clean Ubuntu MATE 18.10 and installed Scilab from repository here with sudo apt-get update sudo apt-get install scilab After installation I tried to launch it from GUI (Applications ...
2
votes
2answers
441 views

kernel panic after upgrade to 18.10

Well, crap. I felt brave and let 18.10 install over 18.04, and it apparently didn't go well. I'm hitting a kernel panic at boot (error loading libargon2.so.0). I'm fairly new to Ubuntu - is there a ...
2
votes
1answer
333 views

Ubuntu 18.10 Cosmic Cuttlefish not connecting to my Android phone. Showing ERROR: Unable to access & couldn't find matching udev device. What to do?

Ubuntu 18.10 Cosmic Cuttlefish not connecting to my Android phone. Showing ERROR: Unable to access & couldn't find matching udev device. What to do?error message
1
vote
1answer
714 views

gdm3 won't start by default after upgrade to 18.10 from 18.04

When I configure gdm as my default display manager (dpkg-reconfigure gdm3) and then reboot, I get a black screen with a blinking cursor. From there, I cannot do anything since the ttys does not work (...
1
vote
0answers
126 views

Ubuntu 18 server console resolution problem

I don't use desktop, so no X-window is involved. How do I change resolution of text console? Things I tried: Setting in GRUB: by either video=, or GRUB_GFXPAYLOAD_LINUX, it works - GRUB is ...
1
vote
1answer
530 views

ubuntu 18.10 doesn't boot to gdm after update

I've just updated to 18.10 from 18.04 and immediately hit a snag. My os doesn't boot anymore. It starts then comes to a moment when splash appears then it disappears and what I see is a message that [...
1
vote
1answer
207 views

Recovery menu missing in 18.04LTS

I'm trying to drop a root shell for recovery, but after the reboot, I cannot see the recovery menu where I should select the "Drop root shell" option. After the secure-boot selection I just prompted ...
1
vote
2answers
2k views

Slack 3.3.3 crash on Ubuntu 18.10

I have installed the latest Slack 3.3.3 from the official website. Downloaded the deb package, but when i start it, it simply crash and nothing happens. It was working fine on Ubuntu 18.04. Is there a ...
0
votes
1answer
126 views

Ubuntu 18.10 + Wireless router (TP-Link) instability issue

I have just installed Ubuntu 18.10. Great experience so far except for the following issue: Whenever I try to access some websites like Netflix or Mathworks, the connection to the wireless router is ...
0
votes
0answers
171 views

Plasma Discover stuck at 100% while installing a snap

I tried installing the RetroArch snap from within Plasma Discover. It is now stuck at "RetroArch - Installing: 0 B/s". What should I do?
0
votes
2answers
199 views

How to revert GDM to default Ubuntu 18.10 (to utilize new lock/login screens)

My question is pretty much summed up by the title. GNOME 3.30 touts a new lock/login screen, yet Ubuntu 18.10 lacks any changes to GDM. I was just wondering if there was a way to actually SEE and USE ...
0
votes
1answer
225 views

Ubuntu 18.10 stuck in bootloop

I installed Ubuntu 18.10 two days ago on my laptop which is old one (4 GB RAM and 500 GB HDD). After installing finished, and the first boot it went well. I installed all the necessary software I ...
0
votes
0answers
568 views

Can't dual boot Ubuntu: Error 15:(http://grub4dos.chenall.net/e/15) File not found

Dual booting Windows 10 and Ubuntu 18.10. Used UUI and Rufus, neither worked. Is there any possible way to fix that? I can't find any answer to this question on the web. Booting 'Boot ubuntu' (hd0,...
0
votes
0answers
110 views

Dual monitor problem with Intel i915 in a Lenovo ThinkCentre M92p 3238 on Ubuntu 18.10 Desktop

This tiny PC has a SVGA connector and a DisplayPort connector. I use a DP to HMI adapter (Assman AK-340400-001-S - Digikey AE11266-ND) to connect the second monitor. When I booted the system with ...
0
votes
0answers
198 views

Yaru Dark disappeared with this morning's update

Why? This was a fantastic and modern theme that wasn't too bright and was easy on the eyes.