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.

Filter by
Sorted by
Tagged with
0
votes
0answers
13 views

Ubuntu 18.04 Kernel update to 5.13

I am trying to update kernel in Ubuntu 18.04 to 5.13 for having my wifi working? Currently I am seeing that "No WIFI Adapter Found" in settings so I think I would need Mediatek 7961 driver. ...
0
votes
0answers
12 views

System Doesn't Recognice External Microphones

I have a Lenovo IdeaPad 320-15IKB with Ubuntu 18.04. When I try to use any kind of microphones, the system seems to not recognice them. I tried with wired headphones and bluetooth (both working on ...
0
votes
0answers
27 views

After installing NVIDIA driver 470, network and bluetooth stop working

Ubuntu18.04, GPU GeForce 2070S I upgraded GPU driver from 460 to 470, using commands: sudo apt-add-repository -r ppa:graphics-drivers/ppa sudo apt remove nvidia* sudo apt autoremove sudo ubuntu-...
0
votes
0answers
13 views

Nvidia Driver not working on Ubuntu 18.04 ASUS TUD DASH F15 RTX3060

After installation of Nvidia drivers on Ubuntu 18.04 the machine does not reboot. Instead of booting it says : hdaudio hdaudioD2: Unable to bind the codec How can I fix this problem? However I can not ...
0
votes
0answers
25 views

How to reset network usage statistics in resource manager app in ubuntu 20.04?

I want to reset the statistics of the network usage (they are in the bottom left of the image below i.e. the 2.7 GiB), how to do that?
2
votes
0answers
19 views

On Ubuntu 18.04 windows become inaccessible from Dock

For example, I can have 2 Chromium windows and I can Alt-Tab between them but there is only one orange dot near the Chromium icon on the dock. On the screen shot we see 2 shell windows and 2 orange ...
0
votes
0answers
44 views

Scripting user account creation and group assignment

I have to create a large number of users for a large number of Ubuntu VMs and wrote the following script as a result. This (working) bash script creates multiple sudo users from the USERS array and ...
0
votes
0answers
39 views

Gateway between Ethernet and WiFi adapters

I'm trying to connect between 3 Ubuntu 18.04 devices (1 Laptop + 2 NVIDIA Jetson Nano) where the 1st Nano acting as the gateway between the 2nd Nano and Laptop. Currently the 1st Nano have wlan0 10.42....
0
votes
0answers
40 views

ASUS TUF DASH F15 RTX3060 not booting after Driver Install

My brand new Asus TUF DASH F15 with RTX3060 Laptop stucks on boot after Nvidia Driver Installation. What can cause the problem ?
0
votes
0answers
17 views

Not booting when inserting HDD in another Dell Latitude E6320 laptop

I have a SATA HDD, with Ubuntu 18.04 installed. My former laptop got broken, and I successfully inserted my HDD in a Lenovo laptop. Now I just got a Dell Latitude E6320 laptop, but when I install my ...
0
votes
1answer
63 views

Can't login after removing python3 and reinstalling

I removed python3 without knowing it might cause problems. Then I reinstalled python3, ubuntu-desktop and gnome in recovery mode and also did package repair. Now i can see the login page but when i ...
0
votes
0answers
25 views

NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver. When having 2 gpu on the notebook

I'm trying to install nvidia drivers for my notebook Lenovo Legion. My GPU is NVIDIA GeForce RTX3060 and the last driver is 470. So I tried different ways to install the driver via downloading the ...
0
votes
0answers
46 views

How to reinstall package ubuntu-advantage-tools

I tried to install FEniCS on Ubuntu 18.04.5 LTS with the following commands (from fenicsproject.org site): sudo apt-get install software-properties-common sudo add-apt-repository ppa:fenics-packages/...
0
votes
0answers
13 views

Blank after restart after upgrading to ubuntu 18 from ubuntu 16

I just upgraded from ubuntu 16-18. After I press the restart button after the upgrade, the system goes to a black screen. No options are available to select. Should I reorder the boot options or ...
0
votes
0answers
106 views

Encountering an error while trying to update the kernel

I am trying to update the kernel from 5.4 to 5.14 on Ubuntu 18.04, but I am seeing this dpkg error. Can someone please help with this? Files under Downloads directory: linux-headers-5.14.6-051406_5.14....
0
votes
0answers
34 views

System shuts off randomly when booting Ubuntu

I have a C246 mainboard with a Xeon CPU and ECC RAM. Using Ubuntu 20.04, the system randomly shuts off completely, as if power was lost. At first, I suspected a HW problem. I switched the PSU, I ...
0
votes
1answer
22 views

How to execute a ConnectAll Application restart script using a cron Job

Could you please guide me with the following, Adding the ConnectAll Application restart script for reference: #!/bin/sh -e # JIRA startup script #chkconfig: 2345 80 05 #description: JIRA # Define ...
0
votes
0answers
36 views

nvidia-smi stopped working after installing cuda-toolkit

TLDR I'm trying to get nvidia-smi back up, which was working fine until I installed cuda-toolkit. Uninstalling cuda-toolkit didn't help. How can I restore nvidia-smi output? NVIDIA-SMI has failed ...
0
votes
0answers
33 views

Switching to modesetting; Light Display Manager fails to start without Intel driver or xorg.conf.d

Goal I wish to use the modesetting graphics dr-ver instead of the intel graphics dr-ver. Note I was only able to get around the automated spam filter by replacing invocations of "driver" ...
0
votes
1answer
52 views

How to copy a file to a pendrive in Ubuntu terminal

What is the command to copy a file to a pendrive in Ubuntu terminal?
0
votes
0answers
29 views

Ubuntu 18.04 keep shut down itself and self rebooting after few seconds

I have windows 8.1 hp pc, after I installed ubuntu 18.04 , dual boot mode I faced problem with no grub menu showed itself , boot repair didnt help, bcdedit also didn't help I'm booting to ubuntu using ...
1
vote
1answer
28 views

Problems getting a working installation of gsl 2.6

I need to run some physics software on my laptop, which is very finicky, so I specifically need to use gsl 2.6 (where I normally run I have found this through trial and error). I run ubuntu-18.04. I ...
0
votes
1answer
52 views

How can I set my desktop to look like this (Ubuntu 18.04) in Ubuntu 20.04?

These images were taken on ubuntu 18.04. How can I set my desktop to look like this Ubuntu 18.04 in Ubuntu 20.04? I want to implement these features of Ubuntu 18.04 in ubuntu 20.04. transparent PNG (...
0
votes
0answers
27 views

How can I apply security patches consistently across servers and time?

I need a way to apply security patches to my Ubuntu systems consistently across servers and time. For example, if I apply security patches to System A and after it is tested, I would like to apply THE ...
0
votes
0answers
36 views

Accidentally half flashed my pc. Is there any way to recover it? [duplicate]

My PC froze. I had prepared a bootable USB for a friend and it was plugged in to my PC. I rebooted my PC just and before it restarted went of a quick bathroom break. When I came back I found it ...
0
votes
0answers
14 views

Stress-ng stress memory with specific percentage

I am trying to stress a ubuntu container's memory. Typing free in my command terminal provides the following result: free -m total used free shared buff/cache ...
0
votes
1answer
55 views

bin/sh: 1: source: not found

I am trying to install fpylll from a repository on Ubuntu 18.04 The fpylll instruction in README.rst says that after Automatic install you should do $ source ./activate but I get a notification: / ...
-3
votes
1answer
55 views

how to downgrade to previous version

I upgraded OS using following command apt-get dist-upgrade Which upgrade to PRETTY_NAME="Ubuntu 18.04.6 LTS" from PRETTY_NAME="Ubuntu 18.04.4 LTS" Now I would like to go back ...
0
votes
0answers
15 views

http://ppa.launchpad.net/timsc/opencv-3.3/ubuntu bionic Release' does not have a Release file [duplicate]

OS, e.g. Ubuntu18.04, Cuda version: 11.1 TensorRT version: 7.2.2.3 When I run sudo add-apt-repository ppa:timsc/opencv-3.3 to install opencv, I receive this output: ubuntu@ip-172-71-6-27:/$ sudo add-...
0
votes
1answer
51 views

can not change hostname

I want to change the hostname of a Ubuntu 18.04 server. I did: hostnamectl --set-hostname newname --static changed /etc/hostname file to newname changed /etc/hosts file to newname rm -f /etc/machine-...
0
votes
1answer
40 views

Ubuntu 18.04 LTS, Nvidia drivers stop working after a couple of reboots. Intel or AMD

This has been happening for over a year. I have two systems, both running Ubuntu 18.04 LTS. One system is Intel I7 and the other is Ryzen 5. One card is GTX1060 and the other is RTX2060. The only ...
0
votes
0answers
38 views

Libreoffice don't open files outside Document folder

After Ubuntu upgrade, Libreoffice stops to open files outside home Document folder. Ubuntu 18.04.5 Libreoffice installed via snap libreoffice --version LibreOffice 7.2.0.4 ...
0
votes
0answers
31 views

ubunto 18.04 10 gig network

Good Day, I have been scrolling the internet and I am struggling to figure out what i need to tweak to get the full potential out of my 10g bit internet on my Leaseweb server. My host gave me this. fs....
0
votes
1answer
30 views

How can I create Ubuntu bionic or focal Vm's using Vmbuilder tool?

The project I've been working on uses VmBuilder (https://launchpad.net/vmbuilder) tool to create custom Xenial images that were then packaged into ovf using ovftool to run on VmWare Exsi hypervisor. ...
0
votes
1answer
35 views

Process aborts when upgrading from 18.04 to 20.04

I tried to upgrade from 18.04 to 20.04 using the terminal and the process aborts without any information messages: frepie@frepie-K55N:~$ sudo do-release-upgrade Checking for a new Ubuntu release Get:1 ...
0
votes
0answers
14 views

Unable to upgrade to 20.04 [duplicate]

I am trying to upgrade to 20.04 from 18.04 but the process is terminated automatically. Terminal print out: frepie@frepie-K55N:~$ sudo do-release-upgrade Checking for a new Ubuntu release Get:1 ...
0
votes
0answers
37 views

No signal when I start lubuntu 18.04 [closed]

I am facing this problem since I upgraded from 16.04 to 18.04. Also it is now taking a lot of time to boot earlier it used to take 30s to 1min to boot lubuntu 16.04
0
votes
1answer
46 views

Should I update from 18:04 LTS Ubuntu Server to 20.04.3 LTS? [closed]

For some time now my server running headless Ubuntu server, has been telling me to upgrade Ubuntu to 20.04.3 LTS, but I have no means of backing up 1.8TB of data stored on a 12TB (12x8) Raid 5 setup, ...
0
votes
1answer
10 views

How multipassd should be restarted to get multipass commands fuctional again?

Currently I can't run multipass shell, it shows the following in the terminal: $ multipass shell ubuntu-test shell failed: cannot connect to the multipass socket Please ensure multipassd is running ...
0
votes
0answers
19 views

How to check error log while trying to start postgres

Trying to start postgres using: sudo systemctl start postgresql@8.4-main After that, command line just frozen, not returns error, nor success and postgres service is not starting. Where can I check ...
1
vote
1answer
71 views

Is it possible to drag and drop from a search box in Catfish?

I have many terabytes of data to sort and am using Catfish with Thunar 1.6 using Xfce 4.12 in Ubuntu 18.04. I can find everything I'm looking for with no problem, however some files are 10 sub-...
1
vote
2answers
49 views

How to create desktop-launcher for .exe application which should be launched using wine inside its directory?

I have an MS Windows application which needs new version of Wine. I have installed it locally to home-folder using PlayOnLinux. I'm stuck with creating simple bash/dash/sh script to launch .exe ...
0
votes
1answer
56 views

How to get latest xmonad-extras-dev package on Ubuntu 18.04?

Ubuntu 18.04 provides version 0.13, but I need 0.15 (already available in Ubuntu 20.04). Is there a PPA for the latest version of this package available for 18.04? Is it safe to download the .deb and ...
0
votes
0answers
47 views

port-mirroring with OpenvSwitch on OpenStack not working after reboot of a VM

I am using openvswitch to mirror traffic coming in or going out of a VM interface. Traffic is mirrored to output-port and could capture the packets on the output-port. Was using the following command ...
0
votes
0answers
24 views

directory keeps getting made after boot causing mounted drive to be bumped to another location

I was trying to setup a folder on my Ubuntu (18.04) RAID drive to be a Time-Machine backup but now when I reboot, it automatically appears under /media/name/RAID with the contents /media/name/RAID/ ...
0
votes
1answer
66 views

"you are in emergency mode" during first boot after power failure - how to avoid it?

For a few years I'm running Ubuntu on my home server. New thing this year in my area are short but frequent power grid outages. After each such power failure my system is not booting to desktop, but ...
0
votes
0answers
46 views

Live USB of Ubuntu 18.04.2 or later not booting without "acpi=off" or "nolapic"

I tried to install Ubuntu 20.04 in my desktop but live usb did not boot showing only a blank screen. Following the instruction below, I found that only when I added acpi=off or nolapic (and nomodeset ...
1
vote
0answers
27 views

Color scan problem with HP LaserJet MFP on Ubuntu 18.04

My system is: HP LaserJet MFP m236dw Ubuntu 18.04 HPLIP ver. 3.21.8 hp-scan gives gray picture up to 300 dpi with no problems. However, in color mode "hp-scan -m color" it gives the ...
0
votes
0answers
17 views

System tries to go to suspend after login on 18.04

has anyone ever encountered the problem, that the system tries to hibernate after a user logs in? In my case I freshly boot up my laptop, which is connected to an external USB-C port replicator (Dell),...
0
votes
0answers
20 views

Fans Not working in Ubuntu 18.04.5

I have seen the being asked since long time, but it still hasn't been addressed. I use DELL G3. My fans are completely unresponsive in Ubuntu (But they work well in Windows). When I try sudo pwmconfig ...

1
2 3 4 5
308