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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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 but the system blocks because of outdated pubkey ( The following signatures couldn't be verified because the public key is not available: NO_PUBKEY ...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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1answer
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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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2answers
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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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1answer
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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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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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3answers
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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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1answer
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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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Good antivirus for 17.04 [closed]

I need a good antivirus and, if possible, a good cleanup app for ubuntu. Can you suggest some good ones?
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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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1answer
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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

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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can not run bash [duplicate]

I couldn't execute bash file. I gave chmod 777 to the file, but there is no success. it says sudo : build-sdcard.sh : command not found the bash file could be executed on other ubunutu but not mine. ...
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1answer
31 views

How to compile .so file in Ubuntu with GLIBC_2.27

I have an executable and some .so file in Ubuntu 20.04 but I need to use these .so files in Ubuntu 18.04. Now, when I try to copy and use these .so files in Ubuntu 18.04, it is giving me error which ...
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1answer
126 views

Mouse and keyboard not working after stopping xorg process. Persists after reboot

So I accidentally stopped a running Xorg process on my ubuntu (with kill -STOP and the PID). I was trying to stop another process but got the wrong PID. After I did it, immediately mouse and keyboard ...
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1answer
58 views

Question marks instead of libre office icons

Hi with the update of libre office to the current version if I open Base and Impress they appear on the launcer of question marks as icons. Can I fix this bug?
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VSCode won't open (bus error)

I was working as usual but out of nowhere vscode crashed with a code '135' I tried reopen it but keeps showing the error window, then I reset my computer and tried to opden vscode but it just blinks ...
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Ubuntu malformed line problem [duplicate]

When I type sudo apt update, I get this error: Malformed line 2 in source list /etc/apt/sources.list.d/xenial.list (type) E: The list of sources could not be read. I used /etc/apt/sources.list.d/...
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Can I upgrade my Ubuntu 16.04 LTS Server to 18.04 LTS using ISO file without losing my data?

I have done quite a lot of research on upgrading my existing 16.04 LTS Server to 18.04 LTS using the ISO file. My Server does not connect to the internet. Thus I am finding the alternative to upgrade ...
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making a bootable sd card of ubuntu

I am trying to make an boot SD Card with Ubuntu Image to work on MYD-C8MMX Development board This is the process I have dont 1- download the Unbuntu http://cdimage.ubuntu.com/ubuntu-base/releases/18....
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Is Ubuntu 18.04 available on Intel 11th gen?

I'm going to replace my laptop. And I really need the 18.04 version of Ubuntu. So, I'm thinking of the Intel 11800h. Is Ubuntu 18.04 available on Intel 11th gen? I am sorry that I am not good at ...
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1answer
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Ubuntu 18.04 stopped booting

I was using Unity and one day, while I was using my laptop and clicked on the Ubuntu logo, the entire sidebar disappeared. I tried to restart, but the top bar had disappeared too. So I did a hard ...
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Cannot delete file folder using normal methods

See pasted screen shot.Video Home-2 folder shows "content empty" when you right click on it.I must delete it and it gives the included error message. The UUIC internal drive partition type ...

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