Questions tagged [18.10]

Ubuntu 18.10 (Cosmic Cuttlefish) was released on 18 October 2018 and reached End of life on 18 July 2019. Questions specific to this version are generally off-topic now.

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Ubuntu from a PC to another

So I had this old Laptop that have 2 SSD's one(this was inside of the laptop) with Windows and another(one I bought) with a partition with Ubuntu. Now I bought a Desktop and I want two put this second ...
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2answers
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Grub menu not showing after ubuntu installation [closed]

Guys my laptop had only windows 8 version. Recently I installed Ubuntu 18.10 version in it. But the problem is it is now booting directly to windows. As seen in forms I tried turning off secure boot ...
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Screen problems on Huawei MatebookD

I have Huawei MatebookD Ryzen. On every Linux distro I find screen problems. My eyes hurt after 10 seconds on every distro. What can be wrong? I am not good at Linux. Can You help me ?
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Error malformed entry 53 in list file /etc/apt/sources.list (component)

Whenever trying to install any software or try to run sudo apr update command it shows up this error as mentioned in the title and also along with it The list of sources could not be read. I am ...
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1answer
1k views

Upgrade from 18.10 to 20.04 options [closed]

I've just spent ages trying to work out how to upgrade from 18.10 to 20.04 now it's almost out. I realize I was on an end of life and would have to upgrade through another end of life and this ...
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1answer
55 views

Will my situation allow me to retain my Windows license on this computer? Just in case I mess something up [closed]

I want to switch my computer to Ubuntu. I already have my bootable USB drive ready, which works just fine in live mode. I am currently a Windows user and I would like to retain my Windows license (OEM)...
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How to Update Ubuntu 18.10 To 19.10 Using A Usb Drive? [duplicate]

How to Update Ubuntu 18.10 To 19.10 Using A Usb Drive and Command Line.
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1answer
2k views

Updating from such a repository can't be done securely, and is therefore disabled by default when running sudo apt-get update

I am running sudo apt-get update on my ubuntu 18.10 No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 18.10 Release: 18.10 Codename: cosmic Then getting below response:...
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Upgrading from Ubuntu 18.10 to 19.04 AFTER EOL [duplicate]

I just realized I have 18.10 installed instead of the LTS 18.04 (yes, I am such a noob) because apt repositories have stopped updating. Is there a way to upgrade, given that do-release-upgrade does ...
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1answer
61 views

How to configure an out of date system to install software with apt? [closed]

Having an out-of-date system, yet looking to install alpine with apt. thufir@dur:~$ thufir@dur:~$ sudo apt-get update Hit:1 http://old-releases.ubuntu.com/ubuntu cosmic InRelease Reading package ...
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Dual boot from external drive

I have successfully installed my Linux distribution in the external SSD. I am able to boot the Linux from the external drive and Windows 10 from my internal drive. What I wanted to achieve was: ...
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My mouse wheel doesn't work

Basically title. I already tried this : https://www.technowing.net/solve-mouse-scrolling-issue/ However it didn't work and also I don't get how writing something in a .txt file and not executing ...
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Problem with File permissons [duplicate]

I've tried to use find to change all file permissions in a file tree to be owned by my user, but accidentally ran on all files on my system. This is causing me many assorted problems and strange ...
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137 views

RTX 2080 eGPU and Cuda Tensorflow on MacBook Pro

I cant install Ubuntu on my MacBook Pro 2018, QEMU KVM, VMware and Parallels doesn't support Thunderbolt3. There are no Nvidia drivers for RTX on the Mac and TensorFlow doesn't support GPUs on macOS ...
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How can I upgrade from Ubuntu 18.10 to 19.10? [duplicate]

Every time I try to upgrade to 19.10, I get a message saying “An upgrade from ‘cosmic’ to ‘eoan’ is not supported with this tool”. How can I upgrade?
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293 views

I can't install Unity 3d via Unity Hub

I succesffuly installed Unity Hub 2.2.2 on Ubuntu 18.04. In Unity Hub, I select Unity 2019.2. I also select "Android Build Support", "Android SDK", "Open JDK" and "Unity Documentation". Unity Hub ...
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Getting wifi in Ubuntu launched from USB on mac

I have prepared a usb with ubuntu on it, and I used the option to try ubuntu. But when I launch firefox, it does not automatically connect to the wifi network, and on settings it says I am unable to, ...
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31 views

Shuting down makes power LED blink

I have an Ubuntu 18 server (no GUI). When I shutdown the computer, everything shuts down (power supply, fans, etc), but the power LED is blinking like it's on stand-by. The shutdown line I'm ...
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24 views

Automatically switch to correct output device

When restarting Ubuntu my "Output Device" selection doesn't save in the GNOME settings program. How do I force it to save the selected output? It automatically switches to one that doesn't work.
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/var/run/utmp does not record users who log in through GUI and ‘w’ command can not show users that have logged in through GUI

I’ve deleted some files in /var directory by accident and I found the problem that I describe in the title. How can I solve that problem? Is there any way to recover /var/run/utmp?
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28 views

steam launcher text issue on ubuntu live

I am using ubuntu live persistent. I downloaded steam launcher and the text on it are all white squares. How do I fix that?
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How to change night-light-temperature value in ubuntu 18 [duplicate]

I want to reduce night light colour temperature value in ubuntu 18.06 version but gnome only provide only some basic settings, So any one have any suggestion how to change This setting doesn't have ...
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114 views

Why is my mouse randomly recognized ? Corsair Harpoon

I use a Corsair Harpoon mouse since one year. She is recognized since I start my computer, until Ubuntu loads. There, randomly, the mouse won't be recognized. I just have to unplug/replug and it's ...
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132 views

systemd: Stuck in rescue/single mode when booting after Windows 10 update/upgrade

I am running GNU GRUB Version 2.02 on my MSI GL62M 7REX which has an intel CORE i7 processor and a GeForce GTX 1050 Ti graphics card. I am using GNU GRUB Version 2.02 in order to be able to boot (...
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1answer
913 views

Dual boot: Windows 10 update leads to ACPI BIOS Error (bug) (November 2019)

I am running GNU GRUB Version 2.02 on my MSI GL62M 7REX which has an intel CORE i7 processor and a GeForce GTX 1050 Ti graphics card. I am using GNU GRUB Version 2.02 in order to be able to boot (...
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75 views

Unable to boot Ubuntu (minimal bash likeline editing)

I have a Windows 10- Ubuntu 18.10 dual boot system. I have had some issues with Grub showing me at boot: minimal bash like line editing I tried some troubleshooting and while using gParted with USB ...
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Latest Ubuntu upgrade has crashed my laptop

When upgrading to the latest Ubuntu desktop software my laptop hangs when trying to restart. It went through all the screens and got to “restart”, now stuck on purple coloured screen when trying to ...
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3answers
6k views

Relocation error involving libgnutls.so.30, error code (127) after last updates [closed]

After the last update this happened: /usr/lib/apt/methods/http: relocation error: /usr/lib/x86_64-linux-gnu/libgnutls.so.30: symbol _idn2_punycode_decode version IDN2_0.0.0 not defined in file ...
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1answer
173 views

No printer in GIMP 2.10 print dialog in Ubuntu 18.10

GIMP print dialog screen: Printer installed in system: In the same time TextEditor and Firefox dialogs looks fine: How to fix?
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72 views

How to run custom shortcut key in remote desktop by smart phone

I can remote ubuntu by anydesktop or teamviewer. Now i hoop can send custom shortcut key like CTRL + ALT + Q when remote by smart phone. How to do it? I used mate desktop Thanks!
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2answers
441 views

Batch convert / cleanup / sanitize Linux/Unix filenames to Windows

i need to synch some files between those two systems and windows is complaining about strange filenames eg : 菅野よう子 (Macross Plus - Original Sound Track I) - 03 - After, in the dark ~ Torch Song.mp3 ...
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1answer
452 views

Update of 18.10 fails with python FileNotFoundError

I cannot update my 18.10 any longer, see error below. The solutions offered to similar questions Problem with sudo apt update in Ubuntu 18.04 and Error occur during updating through sudo apt, did ...
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1answer
2k views

Ubuntu 18.10 to 19.04, end of life version [duplicate]

I am facing this issue when attempting an upgrade to ubuntu 19.04. Checking for a new Ubuntu release Your Ubuntu release is not supported anymore. For upgrade information, please visit: http://www....
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155 views

Upgraded to ubuntu 19.04 from 18.1, terminal won't open, python issues

I recently attempted to update to ubuntu 19.04 from ubuntu 18.10, it completed but with errors. I have removed nvidia graphics card and i'm attempting to fix the install but to no avail. I cannot open ...
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39 views

Ubuntu 18.04 don't boot black stripe screen

I was working on Ubuntu 18.04 with Nvidia GeForce GTX TITAN training neural networks. Today at the start-up Ubuntu stoped, showing me this screen: All was working fine yesterday, and I did not ...
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649 views

How to enable IPTABLES tracing on ubuntu 18.04 server

Ive found this simple straightforward way to trace what Iptables is doing on my kubernetes/calico cluster https://www.opsist.com/blog/2015/08/11/how-do-i-see-what-iptables-is-doing.html Nor ipt_LOG, ...
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40 views

Weird pixel dots area appearing after ubuntu wakes from sleep

I am new to ubuntu and facing a problem that makes a side of my screen weirdly pixel dotted as shown in the picture - after my PC wakes from sleep (only clicking the region removes the area) I am ...
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1answer
929 views

Issues while upgrading from 18.10 to 19.04

I'm trying to upgrade Ubuntu 18.10 (Cosmic Cuttlefish) to Ubuntu 19.04 (Disco Dingo) and have tried the below steps: nagadeep@MachineName:~$ sudo apt-get update [sudo] password for nagadeep: Hit:1 ...
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0answers
222 views

Is the gnome compositing manager decent for Steam VR?

I have a Hades Canyon NUC with a AMD Vega M GPU, and it seems to be powerful enough for VR - the mirroring view is almost flawless - but on the headset itself the view is jumpy when moving around. It'...
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25 views

Upgrade Ubuntu 16.10 [duplicate]

New user to Ubuntu, I've found this error while downloading upgrade "some index files failed to download, and others". Any recommendations please about figuring this out.
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1answer
99 views

Linux File Names converted to blank rect after running sudo fc-cache -f -v

I'm beginner in Linux. I have downloaded some fonts from net and I made some mistake to rebuild Ubuntu by these fonts. So I copied them to .fonts folder in home directory. After that I run this ...
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1k views

wifi adapter not found. 18.10 19.04 lenovo 330 [duplicate]

I enclose more info, although I'm a bit of a newbie. Have seen several workarounds for 18.04 but when I installed it I had no wifi or touchpad. This is done with sudo lshw -c network *-network ...
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90 views

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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1answer
61 views

Can't add domain to resolv.conf on Ubuntu 18.10

Im trying to setup Squid 4.8 on new server. As i understand cat /etc/resolv.conf should contain nameserver, search and domain rows. I've added nameservers and search to /etc/netplan/50-cloud-init....
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745 views

Is there a lubuntu 18.10 partitioning tool like “disks”? I don't find it in the menu

I have installed gparted, which shows only one of two hds. I don't know whether it has got to do with gparted or with my system. Where is the standard "disks" program in 18.10? Or is it named ...
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2answers
239 views

Vypr VPN no longer works in 18.10 [closed]

I have tried to find some solution online, but none has turned up so far, so I ask here: I have a paid VPN connection using VYPR-VPN which relies on the OpenVPN client. After updating to 18.10, I find ...
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1answer
87 views

Sound only works via bluetooth 18.10

My laptop was totally fine until I wanted to try some Bluetooth speaker I have, since then I can't have sound through the laptop speaker or anything connected to the mini-plug connector. I tried ...
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210 views

inability to install gcc in ubuntu 18.10

here are the contents of the terminal- Reading package lists... Done Building dependency tree Reading state information... Done The following packages were automatically installed and are no ...
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0answers
46 views

I can't upgrade to the latest LTS [duplicate]

I have Ubuntu 18.04 and I am trying to upgrade to the next LTS which is 18.10, every time I run the upgrade this message appears. I tried to fix with different ways but I couldn't find any solution. ...
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18 views

Ubuntu 18.10 Icecat not starting + GTK errors

I use GNU Icecat, and while browsing Reddit it completely crashed on me. I try to open it again and it doesn't open. I open it from a terminal and I get this: https://asciinema.org/a/256858 I get the ...

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