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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Uninstall Ubuntu 18.10 when alongside 18.04

I've been running 18.04 quite successfully. I installed 18.10 alongside to evaluate it. I'm sticking with 18.04. How do I uninstall 18.10?
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How to copy odd files in a folder where all the files are named using numbers

I have folder A in which all the files (JPEG) are named using numbers (1,2,3....). Now I have to copy only the odd file names to another folder B. How to do this using terminal?
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Can we increase the memory limit of PHP directly from the command line? [closed]

Can we increase the memory limit of PHP directly from the command line? I am having more than one PHP installation on my ubuntu system and I am using a simple php-switch-scripts script to setup and ...
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How to understand what's happening when seeing this: jbd2/nvme0n1p2- in iotop?

I'm running this: iotop -ao and see this at the top of the list, with excessive writes: 855 be/3 root 0.00 B 101.82 M 0.00 % 1.65 % [jbd2/nvme1n1p1-] 611 be/3 root 0.00 B ...
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1answer
130 views

Multiple public IP's assignment on same server Ubuntu 18.04

Is it possible to assign multiple public IP's to a single ubuntu server? Below is my requirement and need your valuable inputs. My application is a platform where my clients connect to and they have ...
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40 views

Webcam not working with Ubuntu 18

Can someone help me to solve this issue or to debug the issue? I am not able to access my web camera on my Ubuntu 18 laptop. I removed and reinstalled cheese as well but no use. When I try to access ...
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14 views

Port is assessible though blocked by ufw

I'm running a software listening port 31731. My client side software can connect to port 31731 on my server. Online port scan tool also confirms the port is open. However, I check ufw status. The ...
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2answers
158 views

Install latest version of dotnet-sdk by script

I am writing an installer script and need to install dotnet-sdk. I want to install the latest version which is 3.1 or in future 3.2 or whatever. Now I found that there are 2 versions in apt-get: user@...
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1answer
92 views

Error when reboot after upgrade from 18.10 to Ubuntu 19.04 [closed]

After I managed to upgrade from 18.10 to 19.04, I got a new problem. After finishing the upgrade, I reboot my laptop but it gets stuck on the purple screen and I restart it again then I got this. PS: ...
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51 views

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
533 views

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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Error malformed entry 53 in list file /etc/apt/sources.list (component) [duplicate]

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
9k views

Upgrade from 18.10 to 20.04 options

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
86 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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1answer
18k 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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71 views

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
117 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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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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0answers
191 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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4k views

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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472 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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113 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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71 views

/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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1answer
1k 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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121 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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39 views

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
7k 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
476 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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2answers
1k 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
3k 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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172 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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2k 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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1answer
1k 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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344 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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1answer
133 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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110 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
80 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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2answers
3k 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
386 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 ...
2
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1answer
129 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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305 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
49 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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1answer
250 views

Ubuntu 18.10 not working on VMware 14.1.3

I have a VMware workstation pro 14.1.3 on which I installed Ubuntu 18.04 then I updated the software, but as soon as it restarted (to finish updating) I cannot log in or do anything, it just stays on ...
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1answer
182 views

NTP will not update time for clients

I am running a Ubuntu 18.04 server with ntp installed. I need NTP to synchronize time in ordet to let a Munge-service to work correctly. My firewall is not enabled, however I have added rules to ...
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1answer
167 views

After upgrading from Ubuntu 18.04 to Ubuntu 18.10, polybar is now crashing with SIGSEV

I just upgraded from Ubuntu 18.04, to Ubuntu 18.10, but now polybar is crashing and outputting this: [~]::polybar example fish: “polybar example” terminated by signal SIGSEGV (Address boundary error) ...
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1answer
665 views

Unable to decrypt LUKS USB stick on different computer

Background info Computer one: OS: Ubuntu 18.04, Username: userone. Computer two: OS: Lubuntu 18.10, Username: usertwo. The problem I am having problems with a LUKS encrypted USB stick. The USB ...
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0answers
38 views

Special characters gets swapped during login [duplicate]

During logging into Ubuntu 18.10, as my password has @ (at the rate) character in it. When I try to enter in by using Shift+2 which is the equivalent for the @ character it outputs the " (double quote)...
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34 views

My Ubuntu 18.10 does not display the GUI login, but works only in command line mode

I have logged in into my Ubuntu using terminal login itself. And I tried out the shortcuts Ctrl+Alt+F3 and Ctrl+Alt+F7 which I found that it was to switch from GUI to command line mode.
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27 views

Set up a dedicated server to run 2 Ubuntu partitions [duplicate]

I am having a headache looking for a tutorial. So I gave up and ask all Ubuntu experts. Is it possible to have a dedicated server with Ubuntu OS then partition or create another volume that runs the ...

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