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.

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How can I remove the letter spacing in the gnome terminal?

My gnome terminal is adding a pixel of letter spacing that is breaking the background color in my prompt. The terminal works normally inside vscode, that has an option to set 0 letter spacing. The ...
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Delete Flatpak VLC Icons

after trying Flatpak as app manager and installing VLC for trial, once deleted there are two icons of the same program on the ubuntu dashboard and I can't delete them. Would you please help me take ...
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How to listen a result from a command using tail?

I would like to perform this command: tail -f | tac myfile.txt tac reverts the order of the lines, the command works fine, except for the "listen" part. When the file is updated, the tail ...
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Read Only filesystems across multiple devices

The company I work for has about 100 Ubuntu 18.04 server machines scattered across the United State as part of one of our product lines. We haven't had ANY issues with these machines for 1-2 years, ...
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Static IP Ubuntu Desktop 18.04 with 2 Ethernet ports

Bit of info: We're running Ubuntu Desktop 18.04 with 2 Ethernet Ports. On port enp2s0 we run hardware trough a static IP. On port enp3s0 we have a 'normal' DHCP internet connection. When enp3s0 is ...
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Ubuntu constantly going to Emergency mode!

Ubuntu 18.04 LST, went to the emergency mode the first time. Nothing works to exit the emergency mode (I tested many from the discussions here) except the following solution. I fixed it using this ...
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Audio problems remove parts of songs

I apologize in advance for how I am stating my question. I am not an audio person, the whole audio setup confuses me. I’m stating my question the best I know how. I can supply more information if I’...
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Unable to Switch back to running desktop mode from TTY in 18.04

Tried following thing but did not work. Any help is highly appreciated. Ctrl+Alt+F7 sudo dpkg --configure -a sudo apt-get update sudo apt-get upgrade -y sudo reboot sudo apt-get update sudo apt-get ...
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Ethernet card cannot be detected during Ubuntu server 18.04.05 installation

I'm trying to set up ubuntu 18.04 server on my desktop but I was stuck because the installer cannot find the network card. I also tried to use hwe mode, but still has the same problem. I cannot ...
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Wifi keeps disconnecting randomly on Ubuntu 18.04 LTS

I am running Ubuntu 18.04 LTS on Lenovo Y50-70 in a dual boot setup allong with Windows 8.1. 3-4 times a day, the Wifi wold just disconnect suddenly and then automatically reconnect within a minute or ...
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Ubuntu network issues

we have a problem on ubuntu 18.4 if anyone has the idea please. Ubuntus 18.4 VM in vmware which has two network card: one in the DMZ and one in the local network, the server can be reached from the ...
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Dependency is not satisfiable: openjdk-14-jre-headless

I am trying to install frostwire 6.9.4 but I get this message. This package is uninstallable Dependency is not satisfiable: openjdk-14-jre-headless I am using frostwire-6.9.4.amd64.deb with ...
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Stopping services from being restarted as a result of dist-upgrade replacing a dependency

Running Ubuntu Server 18.04 I believe I've encountered the following situation, and would like to stop it from occurring again. The situation: 1/ I've put docker on hold with apt mark. This is ...
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rsyslog.service not found by Ansible during preseed late_command

I continually find that certain things "just don't work" when run as preseed/late_command in an Ubuntu Bionic preseed file. (The same applies to autoinstall for Ubuntu Focal.) In this ...
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Problem with wifi, after seconds lose internet

I have problems with some networks in Ubuntu 18.04 When I connect to the network, everything is fine. A few seconds later (5/10 seconds) it stops working, from the browser I get ...
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Drivers for Intel devices are not loaded in 18.04

I'm attempting to use Ubuntu 18.04 on a Dell OptiPlex 5090 Micro computer, but none of the Intel devices are being detected and as such their drivers are not being loaded. I have no networking and am ...
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Update problem NO_PUBKEY / keyserver receive failed: No data

I tried to make a update / upgrade for Ubuntu 18.04. but the system blocks because of outdated pubkey ( The following signatures couldn't be verified because the public key is not available: NO_PUBKEY ...
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Is the latest Ubuntu 18.04 LTS image available on Docker Hub trusted/signed or not?

I observed that 26 Nov 2020 Ubuntu 18.04 LTS image is last trusted/signed image on Docker Hub, is this true? Here trusted means we are focusing on "Docker Content Trust". When we are trying ...
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head /etc/profile.d/jdk13env.sh: Error found when loading while starting the Ubuntu 18.04 version in laptop

"/etc/profile.d/jdk13env.sh: line 2: 1: command not found As a result the session will not be configured correctly. You should fix this problem as soon as feasible" Please help me on how to ...
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No internet connection - Ubuntu 18.04

I use Ubuntu since 2 months and I had a problem this morning I could not fix. I have tried many solutions on forums but none worked so far. I hope I will find any help here as I need this computer to ...
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Mouse and keyboard not working - 18.04 on Raspberrry Pi 4

Running Ubuntu 18.04 on RPi Model 4, 8 Gb. Dell keyboard Generic mouse Kubuntu desktop installed All was working fine including mouse and keyboard until a few days ago. No known action on my part that ...
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No wifi adapter found on ubuntu 18

Yesterday I installed Ubuntu 18.04 in my PC as a dualboot with win 10 the problem is it says "no WiFi adapter found" now i am unable to connect my PC to internet. I believe my WiFi adapter ...
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Preseed without Internet connection

This is my first forum post whatsoever so bare with me! So I have a Preseed that, in theory, should work fine. But it doesn't. I want to have a completely unattended installation of Ubuntu 18.04 ...
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How to add custom ubuntu mirror in ks.cfg

I have built my own ubuntu package mirror using apt-mirror and I have my own custom built ISO build. I wanted to know how do I use my own custom mirror in ks.cfg so that ubuntu would fetch packages ...
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How to mine bitcoin using ubuntu? [closed]

I have a botnet of connected servers and I want to install a bitcoin miner on all of them. Which bitcoin miner is the best for Ubuntu 18.04 ? I've seen similar questions on here but they're for old ...
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Ubuntu 18.04.05 LTS Desktop hangs with since kernel 4.15.0-151 and systemd 237-3ubuntu10

Several crashes in /var/crash, here's the last one:- ProblemType: KernelOops Annotation: Your system might become unstable now and might need to be restarted. Date: Fri Jul 23 18:10:54 2021 Failure: ...
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Ubuntu 18.04 keeps freezing randomly after some time

I have Ubuntu 18.04 running in a dual boot setup along with Windows 8.1 From the past 3 days, Ubuntu has become completely unusable on my laptop because it keeps freezing randomly after some time. I ...
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asus ux433f thunderbolt 3 18.04

I am trying to set up Startech tb3dock2dppd docking station on my Asus UX433F but it does not seem to pick up Thunderbolt 3, all I get in the settings is message: "No Thunderbolt support. ...
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How to change public_html user link in ubuntu

The ubuntu default link or url is like this http://example.com/~user I want to change it to something like this http://user.example.com Can it? Please help Sorry for the title of the question if it's ...
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MongoDB failed to start Ubuntu 18.04

I installed mongoDB using this link www.digitalocean.com on sudo systemctl status mongod I get the following errors ● mongod.service - MongoDB Database Server Loaded: loaded (/lib/systemd/system/...
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ACPI errors prevent boot

I have HP 840 with Ubuntu 18.04. On startup, I received the following message. ACPI Error: Field CAP1 at bit offset/length 64/32 exceeds size of target Buffer (64 disk) (20170831/dsopcode-235) ACPI ...
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Gnome desktop unresponsive on 18.04

I have been experiencing many desktop freezes recently. One way I can fairly reliably (though not always) cause this to happen is to click 'Other locations' in Nautilus file manager. I get a spinning ...
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How can I install xfce4-screenshooter newer than 1.9.7 in Xubuntu 18.04?

There is no screenshot on the clipboard when calling my screenshot-shortcut xfce4-screenshooter -rc or xfce4-screenshooter -mcw. I first asked a question on https://gitlab.xfce.org/apps/xfce4-...
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Mariadb version

I wanted to see how to install version 10.3.12 of mariadb, if someone can help me and I tried to add the libraries that it asks for, it still won't let me download that version
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GUI option hiding anywhere for bluetooth rmmod btusb and modprobe btusb

I landed on this post after typing into a search engine 'Ubuntu bluetooth keeps switching off immediately after switching on' The current top answer worked for me and solved my problem: $ sudo rmmod ...
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Boot Repair-No repair recommend

http://paste.ubuntu.com/p/cxmBdFRsQC/ This is the link that was provided for me as I was only given this option and not the recommended repairs one. At first it was saying to enable the repository for ...
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1answer
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fsck error on boot: /dev/sda2 - can't type slash character

I need to set the fsck manually on boot but I can't type in the character / that is required to set the path. (initramfs) fsck /dev/sda2 I tried multiple keyboard combinations without success. How to ...
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How do I remove the 'www' domain from my webserver?

Reason I want it removed is because when I go to www.website.com I get an invalid SSL cert error. How can I remove the www domain? Do I need to mess with the cerbot conf?
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getting error cuda Error: No Device

I am trying to run a tool which requires gpu when i run the command it says," Cuda Error No Device".I have graphic card of nvidia-geforce in my device too. I have tried installing cuda for ...
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4answers
324 views

Interrupted apt, now cannot use Ubuntu 18.04 LTS

I am running dual boot Windows 10 and Ubuntu 18.04 LTS with NVIDIA GPU:s and stupidly forced my computer to shut down during an Ubuntu apt installation, as I mistook it for a crash (screen turned ...
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restore __pycache__ folder from trash ubuntu 18.04

I accidentally removed pycache folder in my computer running ubuntu 18.04 lts and when I try to restore it gives me the error message Item in the trash may not be modified How to fix this?
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Ubuntu not starting up 18.04.05

I have installed ubuntu 18.04 on my HP laptop side by side with Windows 10. This is the code shown when I select the Ubuntu option from the GRUB menu When I load the Ubuntu the added image is shown ...
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Can't watch Amazon videos on Ubuntu 18.04.5

I noticed just this week that I can't watch Amazon Prime videos on any of the three browsers I have: Chromium, Brave, or Firefox. All three have widevine issues. It occurred to me that I updated from ...
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ntpd says it can't open /var/log/ntpd.log even though the file is owned by ntp:ntp, what gives?

I have three Ubuntu servers, one of which is able to save its log in the /var/log/ntp.log file, the other two are not. The configuration looks like this in all of them (clearly uncommented): logfile /...
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No Space left on device on mounted ext4 file system

I have a file named rootfs.ext4. I mount it in a directory like this: sudo mount -o loop rootfs.ext4 ./rootfs_tmp Now in the /rootfs_tmp/media, there is another ext4 file named rootfs_ubuntu.ext4 ...
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How to enable keyboard on ubuntu18.04?

I have ubuntu 18.04 and often the Keyboard is suddenly unactivated and it shows this image on my screen. Thank you [1]: https://i.stack.imgur.com/QDAJ3.png![enter image description here](https://i....
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What happens if proxy is not applied system wide in Ubuntu 18.04?

I'm using Ubuntu 18.04, I see that there is not an option to apply system wide proxy in Network Settings. Instead, I need to edit etc/environment. My question is what's the difference between proxy ...
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How do I fix the Ubuntu Login Loop Problem [duplicate]

I am using ubuntu 18.04 as a dual boot with my windows and the storage got full, which caused a login loop problem. I try to login into the system with the correct password but the screen flashes to ...
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Installed new kernel, bluetooth stopped working

I get this now: 5.4.0-80-generic, kubuntu 18.04LTS. It was always working before.
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Network issue: Ubuntu 18.04 + Dell XPS 9370 Laptop + anker powerexpand Thunderbold Elite 13 in 1 Dock

If you use the Anker PowerExpand 13-in-1 Thunderbolt 3 Dock Station with XPS Dell laptop running 18.04, (now XPS Laptop can only connect via usb-c). Using: 18.04.1 LTS, with kernel release Linux 4.15....

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