Questions tagged [18.04]
New questions about 18.04 are now off-topic, unless asking how to update to a supported version. Seventh LTS (Long Term Support) release of Ubuntu, code-named "Bionic Beaver". Released on April 26, 2018. Reached End of Standard Support (ESS) in April 2023.
15,456
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How to upgrade starting 18.04 server to 24.04 full desktop setup
I had set up lubuntu 18.04 as a server (no desktop). I was using it by remotely ssh into. However now I need to convert it to a full desktop setup.
Long story short, how is the best reliable way to ...
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0
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24
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Nvidia and Cuda on Ubuntu 18.04 Xenomai 3.x
I have a Linux PC, x86, with Ubuntu 18.04 that is running the 'dual kernel' Cobalt Xenomai. We want to add an nvidia gpu (GTX 1050 Ti) to offload some math algorithms.
I have tried installing the ...
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41
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Driver selection for second GPU
I want to change the used driver for the second GPU, since nvidia-smi can't recognize the second GPU.
But I can't change it anyway, since manually installed driver is selected. I have tried:
sudo apt ...
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1
answer
127
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Graphic issues on Ubuntu
I've been attempting to install Ubuntu on my old PC. However, I consistently encounter graphic glitches on background images, menus, missing wallpaper, or overall screen glitches. (I've tried various ...
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89
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"package lxd installed but your system is unable to reach the Snap Store " Running do-release-upgrade on Ubuntu 18.04 LTS
When I tried to upgrade from Ubuntu 18.04 LTS to 20.04 LTS using do-release-upgrade, I encountered the following error:
####################################################################
"You ...
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102
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Graphics problem with emacs after upgrade to 22.04 LTS
When I open emacs in 22.04 LTS the window has a graphics problem, some colored runes on black background but no text. I'm working in a Virtual Box on a Windows 10 host. The problem occured after a ...
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1
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323
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Grub failed to install to /dev/md0 on Ubuntu 18 to 20 upgrade
I ran do-release-upgrade on an Ubuntu 18.04 LTS server. It looked like the upgrade to 20.04 LTS was successful, but then at what I'm assuming is the end of the upgrade, I am presented with this ...
- 101
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1
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56
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Is the process for SSL/TLS server key generation different on VMs?
For 3 of our company's servers, Bitsight is reporting that our Diffie-Hellman prime is very commonly used and is not safe. We've followed the directions here: https://weakdh.org/sysadmin.html several ...
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26
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Installing Multi2sim
does anyone here knows how to install Multi2sim on Ubuntu 18.04 or 22.04? I am having hard time and always stuck in the cmake part. Thank you so much.
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154
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PC Continuously reboot after Ubuntu installation
I have a problem with ubuntu starting after installation.
I try to install ubuntu os on my Lenovo L480 laptop and installation is successful, but after how the system asks me to take off the ...
0
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1
answer
244
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Error upgrading from 18.04LTS to 20.04LTS
While upgrading through "Software Updater", it faced with an error:
Could not install the package:
/tmp/apt-dpkg-install-JCuWPV/07-apparmor_2.13.3-7ubuntu5.2_amd64.deb package may not be in ...
- 211
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0
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72
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Ubuntu upgrade from 18.04 to 20.04 got stuck at crash signatures.k shut down ,how to resolve?
I have dual boot of windows 7 with Ubuntu 18.04 LTS and was upgrading from Ubuntu 18.04 LTS to 20.04 LTS ,it got interrupted in between after that It shows that not all update will be there and gave ...
- 237
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35
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Need to know about Ubuntu PRO [duplicate]
I have 18.04 LTS and I'm thinking of attaching the Ubuntu PRO token that I have received.
I would like to know if there are any caveats to it or will change anything in the VM if I attach the Ubuntu ...
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51
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How cpu core frequencies, percentage cpu and memory utilization, processing load and temperature affect app performance?
I am trying to benchmark two machines for my app.
Two machines differ mainly in their peripheral connections and have same processor, memory and secondary storage.
I did four different types of runs:
...
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1
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100
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Only an expert can solve this [closed]
I tried to mount my /dev/sdc HDD to /home.
Then I tried to create a symlink to /home because my sdc HDD is 16tb.
Basically, I got what I wanted, but now everything is complicated:
wget doesn't work.
...
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1
answer
180
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Add a new 16TB HDD and transfer the OS to it
I have 2x 4 TB and I bought another one of 16TB. I mounted it with the following commands:
cd /mnt/
mkdir data2
blkid /dev/sdc
fsck.ext4 /dev/sdc
mkfs.ext4 /dev/sdc
mount /dev/sdc /mnt/data2
lsblk
...
1
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0
answers
1k
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Checking for a new Ubuntu release There is no development version of an LTS available
We are upgrading OS version from 18.04 to 20.04 LTS .When we try to run do-release-upgrade -c , we are getting the following error :
Checking for a new Ubuntu release There is no development version ...
- 11
0
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1
answer
277
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Showing different storage size in lsblk and df -h after resizing the LVM root partition [duplicate]
I resized the LVM root partition using below command
Open Gparted from the GUI, resize it the lvm ubuntu-vg partition
sudo lvextend -l +100%FREE /dev/mapper/ubuntu--vg-root
reboot it
Now i checking ...
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1
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158
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How to restore Ubuntu 18.04 LTS to "factory settings" [closed]
I have Ubuntu 18.04 LTS on a computer I am selling. There isn't much on there, but I wanted to do some kind of "factory reset" so it's clean for the next person and remove my name from the ...
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13
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How to check if ppa:ondrej/php repository is added successfully? [duplicate]
I'm trying to install PHP 7.4 on Ubuntu 18.04. I've executed the following command:
sudo add-apt-repository ppa:ondrej/php
It looks finished successfully. After that I update the apt by:
apt update
...
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1
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1
answer
64
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After upgrading from 18.04 LTS to 20.4 LTS: no applications or other files known
It was more than time to upgrade, I still was running 18.04 on my principal workstation. Performed do-release-upgrade with not a single issue, am now at 20.04 LTS and of course the next step will be ...
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1
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556
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Can't upgrade Ubuntu 18.04 to 20.04
I'm having no luck upgrading my Ubuntu 18.04 to 20.04. At every attempt, the upgrade process is interrupted with this message:
What do I do?
*
sudo apt update
[sudo] password for jakub:
Hit:1 http://...
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0
answers
113
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Kernel panic from GNU GRUB after updating from 18.04.6 to 20.04.6 even from 3 recovery mode options
Updated from ubuntu 18.04 to 20.04. Got the following error:
A problem occurred during the update. This is usually some sort of network problem, please check your network connection and retry. E:...
1
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1
answer
685
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Now that Firefox no longer supports Ubuntu 18.04, what commands can uninstall Firefox? Can I save the Firefox bookmarks to use in a new browser? [closed]
I have had Firefox as the main browser for this computer for ages. I got a new computer and began spending all my time on that. It got to where there were so many Ubuntu updates for this computer ...
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1
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1
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174
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Has the handling of the /etc/issue file changed from 18.04 to 20.04
I have bionic systems that display the lines in /etc/issue on login and re-display if I press ENTER.
But, on my focal systems I only get the /etc/issue contents once, it does not display when I press ...
- 133
0
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0
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36
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Says i'm out of storage but i'm not [duplicate]
When I try and run any app or tab auto complete it says I'm out of space ex. -bash: cannot create temp file for here-document: No space left on device
But when I run df -h it says I have 67% space ...
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833
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How to fix broken apt in Ubuntu 18.04 without reinstalling from scratch [duplicate]
I have an old server running Ubuntu 18.04.6 LTS, and I suspect that someone tried to install or upgrade to the wrong Ubuntu 20.04 packages, resulting in a broken apt and a so-called "...
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1
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1k
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Ubuntu 20.04 not able to monitor disk usage via snmp
I've been trying to get SNMP to work for OID .1.3.6.1.4.1.2021.9 on Ubuntu 20 and 22, for reference: https://oidref.com/1.3.6.1.4.1.2021.9
When trying on Ubuntu 18 it does work. Ubuntu 18 uses SNMP ...
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1
answer
177
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USN-6154-1: Vim vulnerabilities fix for non-pro Ubuntu 18.04 version [closed]
There is a new vulnerability reported for vim which I'm not able to rectify as apparently it requires pro version of Ubuntu in order to download the upgrade:
https://ubuntu.com/security/notices/USN-...
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2
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1
answer
1k
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Cannot do-release-upgrade on 18.04.6 [duplicate]
Trying to upgrade from 18.04. I'm getting a 401 unauthorized when trying to update && upgrade. I do not have UA nor have I ever. It seems to be trying to pull from ESM even without UA ...
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1
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270
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Upgrading 18.04 and getting error "Possible missing firmware"
I am attempting to upgrade my 18.04 ubuntu installation.
I've done:
sudo apt update
sudo apt upgrade
sudo apt dist-upgrade
sudo do-release-upgrade
When I do
sudo do-release-upgrade
I get
"...
- 133
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0
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1k
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Can't upgrade from 18.04 to 20.04
I'm trying to upgrade from 18.04.6 LTS to next LTS (20.04?). To do that, I first try to update everything about my current release (sudo do-release-upgrade seems to require that), but the sudo apt ...
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1
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unable to install php8.1 on 18.04 [closed]
I have 18.04 on a virtual machine. i want to update to php8.1
I already have the PPA php repository on the machine:
sudo add-apt-repository ppa:ondrej/php
i can see that there is a file in:
# ls -l /...
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1
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68
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NFS file sharing failed on upgrade to 18.04 [closed]
I set up NFS file sharing between two Ubuntu computers on my LAN, it used to work fine. It recently stopped working (perhaps when I upgraded from Ubuntu 16 to 18?). What do I have to do different now?
...
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2
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7k
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Ubuntu 18.04 apt-get upgrade failing with 401 errors
I would like to do-release-upgrade, but I first need to apt-get upgrade. It can't getch various packages, and fails. Adding the free Ubuntu Pro doesn't fix the error.
I'm running 18.04:
# cat /etc/...
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1
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435
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Upgrade from 18.04 to 20.04 error "Could not calculate the upgrade"
While trying to upgrade from 18.04 to 20.04 I am getting the following message
Could not calculate the upgrade
An unresolvable problem occurred while calculating the upgrade.
If none of this ...
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0
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0
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119
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How to disable 5G support of my wifi
I am using ubuntu 18.04.6, as in tegra-ubuntu 4.9.253-tegra.
Now I want to make it such that I won't be able to scan nor connect to 5G networks, is there any way other than modifying the driver, such ...
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0
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439
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Does Ubuntu 18.04 lts support Intel uhd 770 graphic card? Is the driver integrated in the OS?
There is an industrial pc and was installed ubuntu 18.04 lts and a intel graphic uhd 770.But I found it showed 'llvmpipe' while I check the information of the device.
I can't change the resolution of ...
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0
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23
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System is not started due to Mysq server issue
My system is recently upgraded from 16.04 to 18.04.
The system is not started. I am connected with the recovery mode.
When I tried to empty spaces,
I am facing the issue below:
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1
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140
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Try to install a package without any other action
I know it is not a preferred action, but for a distupgrade from bionic to focal (and later to jammy) I have to install a package from focal to bionic first. This is because I have an additional source ...
0
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1
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956
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Ubuntu 18.04.6 LTS - AMD Ryzen 7 5700U with Radeon Graphics - Video/graphics driver
I am trying to make the graphical driver to work in the setup below, but without success.
Ubuntu 18.04.6 LTS
AMD Ryzen 7 5700U with Radeon Graphics
HP 255 G8 Notebook
I know the Ubuntu version is ...
0
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0
answers
97
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Installing Cantera 1.8.0 on Ubuntu 18.04
I am trying a lot to install cantera 1.8.0. It is an older version but i need to install it on my Ubuntu 18.04. I am
Codeline of the error is
/usr/include/numpy/npy_1_7_deprecated_api.h:15:2: warning:...
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0
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3k
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Ubuntu 18.04 apt: command not found
I have a problem in my ubuntu, I did sudo apt update, it zupdated me but since then I can't use the apt command to download things from the repository I have a question if there is any option to ...
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1
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929
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Have to manually restart NetworkManager to get WiFi to work
After every single reboot, I have to manually restart the NetworkManager, so that the Wifi does connect, which makes it impossible to run truly headless.
OS: Ubuntu 18.04
Hardware: Jetson Nano
this is ...
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0
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57
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Linux upgrade stops because of invalid udev extension in sources list
Hoping people server smarter than me can help out on this one. We have 3 (one load balancer and two servers) Ubuntu servers on 18.04. I was trying to bring them up to 22 (slowly) and got blocked ...
- 101
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0
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214
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How to safely open ports for Cyber Protection Agent
I have installed the Backup Agent for Linux Servers "Cyber Protection Agent" on vps.
I have followed this link https://www.ionos.com/help/server-cloud-infrastructure/cloud-backup/installing-...
- 225
5
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1
answer
1k
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EOL Upgrade Ubuntu 18.04.6 LTS (Bionic Beaver)
I would like to upgrade my Ubuntu 18.04.6 LTS (Bionic Beaver) to latest/greatest version because the current one is going to be EOL in May 2023. Any one done this upgrade please provide the steps.
...
5
votes
1
answer
7k
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"Whoops! /run/nordvpn/nordvpnd.sock not found" - Ubuntu 18.04
I used to connect to NordVPN from my Ubuntu 18.04 server, but I haven't used NordVPN for a few months. When I tried to connect to NordVPN now, it showed an error message saying
Whoops! /run/nordvpn/...
- 779
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0
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38
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My internet goes out every few minutes and the resolution is opening "select network" in the menu
This is an intermittent issue and I haven't figured out what causes this but every once in a while my internet will go out every 2 minutes or so and if I open up network settings and go to select ...
- 1
0
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0
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215
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Not getting the interface updated on Ubuntu 18.04
Could someone help me to identify what I might be doing wrong? When I'm using the code to generate a ethernet ens38, it is not going through. It doesn't really give me any error when I save the ...
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