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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debugging boltd and Dell TB16 on Dell Latitude 5491 and Xubuntu 18.04

Every now and then my Dell TB16 dock device stops working i.e. port replication is off, also the dock's white LED goes off. OS: Xubuntu 18.04.2 LTS Kernel: 4.15.0-54-generic #58 System: Dell ...
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How to use Sim Card on Ubuntu 18.04

I am beginner with Ubuntu and I'm using 18.04 LTS version on my laptop Dell latitude E7250, which contain port for the sim card, but I don't know how to install it and use it, I don't know even what ...
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Ubuntu 18.04 - IntelHD3000 - “i965 Failed to submit batchbuffer Input output error”

I have recently installed Linux on old laptop. CPU~Dual core Intel Core i5-2410M (-MT-MCP-) speed/max~808/2900 MHz Kernel~4.18.0-25-generic x86_64 Up~26 min Mem~1360.0/3846.7MB HDD~500.1GB(2.7% used)...
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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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Lubuntu not starting GUI after install on Hyper-V

After installing Lubuntu Desktop from Ubunut's mini.iso on virtual machine on Windows 10 host with Hyper-V, only cli is booting, but not the GUI. How do I boot GUI from the cli?
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HPLIP 3.19.6 didnt see USB HP LaserJet Pro MFP M125ra on 18.04

Problem: MFU works like printer but didn't work like scanner. Installed latest HPLIP Version: 3.19.6 from developers.hp.com. :~$ hp-setup hp-doctor command output: ------------------------------ | ...
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How to install Nvidia 610M graphic card in Thinkpad Edge E430 w/ Ubuntu 18.04? [duplicate]

How I can install NVidia 610M graphic card drivers in a Lenovo Thinkpad Edge E430 with Ubuntu 18.04?
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Cannot resume from sleep on X (works on wayland)

I have a Dell Precision 5530 with nvidia graphics (just a P1000, no intel integrated graphics, no bumblebee or anything like that) running Ubuntu 18.04 (kernel 4.15-54). I recently updated everything ...
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23 views

Set proxy settings for network only

I'm on Xubuntu 18.04. I'm trying use proxy but u only want it for a single network. Is there a way to do that? I would use commands but they're too hard to change back
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Kdenlive: Speed up the audio and video without losing pitch

I am using Kdenlive Version 17.12.3 in Ubuntu 18.04. I have increased the the speed of the video and it resulted in the pitch variation of audio. Is there any way to change the pitch? I even tried ...
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My second monitor is not being detected

I'm running Ubuntu 18.04 on my laptop, and I'm trying to use my second monitor through HDMI from my NVIDIA 1050 Ti card but it is not being recognized. Before reinstalling Ubuntu, it worked.
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Repeat/Sticky keys won't turn off for games

I am a Linux newbie, this is my first install and attempt at Linux. I am using Ubuntu 18.04lts. I am having an issue with what seems like repeat and sticky keys while trying to play games. When ...
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how to increase the open file descriptor size in ubuntu [duplicate]

i want to increase the open file descriptor size in linux current size is ulimit -n returns 1024 i want to increase it to 65535 because my elasticsearch process needs it here is the link i am ...
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Wifi Disconnects After System Wakes From Suspend

When I suspend my laptop, my internet connection disconnects. The only way to connect it is to reboot. I've tried sudo service network-manager restart and sudo su echo 1 > /sys/bus/pci/rescan ...
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How do I configure my SSHD to use a different shell?

Operating System: Ubuntu 18.04.2 LTS (Server) Kernel: Linux 4.15.0-54-generic Architecture: x86-64 When I SSH into my box it uses the MOTD, PS2 and shell from my local profile of the server and ...
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312 views

Dell XPS 7590 Ubuntu 18.04 - No WiFi Adapter found

In order to install Ubuntu on the XPS 7590 (I've heard the same was true for the 9570 as well) you have to open the boot menu and modify BIOS settings to turn "Secure Boot" off and to switch SATA mode ...
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78 views

Open a .jar with JDK 12 in Ubuntu 18

I have applications that require the JDK-12 of Java. I used to run my applications in the OpenJDK Java 8 Runtime (those were SWIFT applications, so all I had to do, was double click on them). But now, ...
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How to wake up Xubuntu 18.04 LTS pressing any key on keyboard?

Please guys, help me. I installed Xubuntu 18.04 LTS in a Laptop DeLL Vostro Intel Core i3 2.1GHz 64 bits 4GB RAM. But, when I suspend the PC, the system only wake up if I move a Bluetooth USB mouse ...
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Adding PPA on Ubuntu Bionic defaults to Eoan Repository

I am working on basing a new OS off of Ubuntu 18.04 Bionic, and in order to properly have the OS be recognized as a new distribution, I had to change /etc/lsb-release. In order to have it use PPAs, I ...
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USB Capture device is “not an MTP device”

I am trying to connect my USB capture card to an Ubuntu 18.04 host. When I'm connecting it, however, it connects and disconnects repeatedly. Syslog states it is "not an MTP device": Jul 10 17:39:18 ...
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Ubuntu 18.04 lts Sharing File in Windows AD

I am trying to create a folder running Ubuntu 18.04 lts desktop in order to share with Windows machines. I seem to have everything right...Ubuntu pc is on Windows AD, samba service installed, created ...
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No sound on an Asus X205TA 18.04

Just upgraded to Ubuntu 18.04.2 on an Asus X205TA as (upgraded from 16). Running from flash drive. The Micro SD, brightness, WiFi, and touch pad scrolling are all working. However, there is no sound ...
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No desktop after unattended install of 18.04 server

I am attempting to set up an unattended installation of 18.04.2 LTS server from the Alternate ISO (not the live version) using Packer. I have my preseed file set up to get copied in from a virtual ...
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Kde Neon using a lot of memory even, if I not using the system [closed]

I working on Kde Neon distro who based on ubuntu LTS version of 18.04.02 I notice that my operation system uses a lot of memory even when I not using the system at least one hour or even more it can ...
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Sound not working anymore after unplugging HDMI cable

I recently experienced a weird behaviour of the sound system on my laptop. I connect my laptop via HDMI on a TV and choose to use the sound system of the TV in Parameters > Sound. Then I unplug ...
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42 views

Ubuntu 16.04 does not boot after installed Ubuntu 18.04

Ubuntu Server 16.04.3 does not boot after I installed Ubuntu Desktop 18.04.2 to external HDD. Please rescue my data ... . I will write as much of the log as possible. [ 3.685607] raid6: using ...
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External monitor stopped working Ubuntu 18.04.2 LTS HP ProBook 450 G5/837D

just installed a fresh Ubuntu 18.04 on my HP laptop last Monday (and upgraded it to latest 18.04.02). My 4K LG monitor worked as expected, yesterday I worked with another external HD monitor without ...
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Returning from lock randomly takes too long in 18.04

When unlocking the computer it sometimes takes too long (1:30 minutes) to arrive to the desktop. This is happening more than one time a day. Setup: Ubuntu 18.04 with Unity 7 + Lightdm (but issue can ...
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41 views

USB Ports not working in linux

we have multiple systems which are installed on the same way. Now we have a bad situation, ANY USB-Port will not work on two PCs while using ubuntu 18.04.02 server version. The usb ports working fine ...
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Script for Plymouth theme for 18.04

I currently have 2 image files which I wish to work in a loop for boot screen / Plymouth theme. I referred to some existing themes and finally settled with the following file structure \lib\plymouth\...
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MAAS: 18.04LTS gets different routes than on 16.04LTS — how to change route metrics

I am provisioning machines with MAAS, and the machines are all configured with two different subnets: public network 9.9.9.0/24. publicly routable subnet. (9.9.9.0 is redacted). DHCP. private network ...
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17 views

Sleep/suspend not working properly in 18.04

Whenever I attempt to put my computer to sleep, it seems to turn off the monitor/display only. E.g. the fans are still powered and my power LED is still solid (as opposed to blinking). This is true ...
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43 views

“Failed to stat” error for VSCode repository and warning when running apt-get update [duplicate]

E: Failed to stat /var/lib/apt/lists/partial/packages.microsoft.com_repos_vscode_dists_stable_InRelease - pkgAcqTransactionItem::TransactionState-stat (2: No such file or directory) E: Failed to stat ...
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Where did my Ubuntu 18.04 desktop go?

I am running Ubuntu 18.04 desktop in a Virtual Box virtual machine. It has been working fine except just recently I came back to the machine and tried to enter my password after it timed out after a ...
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28 views

Screen Rotates After Closing Laptop Lid HP, Ubuntu 18.04.02

I have checked other posts about randomly rotating screens, and screens that rotate after sleep. I have tried the following to no avail: 1. Lock Screen Rotation Problem persists. 2. Disable Gnome ...
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Bluetooth auto start up

Hi Ubuntu Users / Experts, can you help me how to disable bluetooth in start up for Ubuntu 18.04.2 LTS? Cant find anything that is working for this version from this forum. Thank you
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Ubuntu 18.04.2 LTS, what is the name of the Default Desktop / GUI?

For Ubuntu 18.04.2 LTS what is the name of the Default Desktop / GUI? For the Default install of Ubuntu. Is it Unity OR GNOME? Or something else?
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Updating cups to 2.2.9 on Ubuntu 18

Is there an easy way to install CUPS 2.2.9 on Ubuntu 18.04? 2.2.7 is the highest I can get via apt-get. If not, I am aware that it can be done by compiling the source from the CUPS github page.
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set up xmonad based on Ubuntu 18.04 server

I've tried to install xmonad on a 1804.02 server, following this guide https://broch.io/posts/linux-install/ I've installed the following components, but failed to get a working desktop-like ...
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why I can't get the name of some serial device names?

I'm using ubuntu 18.04. I have connected two devices to serial ports. to ttyACM0 through usb and to rfcomm1 via bluetooth. I have read write permissions for the both ports. I wrote a python3 ...
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When plugging mobile, ubuntu 18.04 prompt the file browser twice

When i plug a mobile device to my ubuntu (18.04) it prompt an empty file browser, and on the mobile it ask me to approve the computer to explore my files. If i choose "approve" it work as expected, ...
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Mouse skipping with Ubuntu 18.04 on Dell Inspiron 3558

I am experiencing an intermittent problem of mouse skipping with my Dell Inspiron 3558 running Ubuntu 18.04.2. I sometimes have to reboot a couple of times before it stops skipping. I experience the ...
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Where's ATLAS installed on Ubuntu 18.04 Mate on ARM CPU?

I installed Atlas on Ubuntu 18.04 Mate using the command sudo apt-get install libatlas-base-dev I'm running this on an Odroid N2 (https://www.hardkernel.com/shop/odroid-n2-with-4gbyte-ram/), so it's ...
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61 views

Remove Full Battery Alert Tone in Ubuntu 18.04?

I somehow activated the "full battery" alert tone in Ubuntu 18.04, now I want to disable it since my battery has gone faulty and it rings often and is loud too. How can I remove that tone or how can ...
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24 views

How to replace/reinstall packages from backports to normal repository

On 18.04 I have the backports enabled in /etc/apt/soures.list. My questions are: How can I find out which packages are installed from backports? The tips from https://serverfault.com/questions/...
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18 views

Connect Epson L805 series printer [closed]

I have an Epson L805 wireless printer. How can I connect it to my Linux 18.04? Please can anyone help?
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Intel UHD 620 not stable after Ubuntu 18.04.2 HWE update

I'm experiencing various different problems after updating to 18.04.2 with HWE: flickering, fail to suspend, freezes, crashes, CPU failure... I ran 18.10 on this Dell Latitude 7490 laptop for the ...
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1answer
26 views

gedit – Location on disk of profiles' settings

I created two new profiles in Text Editor (gedit) with custom colors. I'd like to backup those settings. There is nothing related to profiles, for example, in ~/.config/gedit/ or ~/.local/share/gedit/...
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13 views

NodeBB setup error (socketHandler) - wrong port?

Experimenting with a server setup for the first time, so I am incredibly inexperienced at this but want to learn how to do it! I've managed to get a server running with Ubuntu 18.04, and node.js + ...
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Fonts are not correctly loaded in wine

You can see my problem in image that I attach to my question screenshot from my problem I run pes 2017 setting.exe in playonlinux. My wine version is 3.20 and this my log file in playonlinux : ...