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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Boot problem with Ubuntu VM in Oracle VirtualBox

This problem started when i added a new Ubuntu VM in VirtualBox , used for a purpose , did a power off and removed VM directly.Now when i turn ON a VM already there, I get below currently. There ...
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Chrome logs out my accounts in ubuntu 18.04

I'm using ubuntu 18.04 and Google chrome as a browser, in each reboot of my compute, chrome logs out from all my accounts (google account, facebook, twitter, linkedin ......), also in each reboot ...
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Failes to decrypt encrypted home directory after reinstall of Ubuntu 18.04 (fscrypt)

I encrypted my /home/ directory on Ubuntu 18.04, by following http://tlbdk.github.io/ubuntu/2018/10/22/fscrypt.html Due to a failed update, I had to do a reinstall. Since I had /home on a separate ...
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Can formating C drive and installing ubuntu make data lost in other drives? [duplicate]

I have windows 10 installed currently on my C drive. I want to install ubuntu on it replacing windows 10. How can I do that properly? Aslo, If I formate and install on it, will it make any changes to ...
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Why does my wired connection fail with secondary-connection-failed on Ubuntu 18.04?

I was changing my ufw rules when my wired connection suddenly failed altogether. Even after disabling ufw, every time I try to connect the wired connection it simply fails. I am able to boot into an ...
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21 views

Cannot add user because /etc/group.5: lock file already used

I am trying to add a new user when first installing Ubuntu 18.04 LTS and I get this: Enter new UNIX username: rob groupadd: /etc/group.5: lock file already used groupadd: cannot lock /etc/group; try ...
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No Wifi Adapter Found [duplicate]

I just bought a Lenovo Legion Y540 without an OS. I installed Ubuntu 18.04 LTS, but the WiFi doesn't work as the wifi adapter is not found. Output of lshw -C network: Output of rfkill list all: 0: ...
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Failure to install MySQL 8.0 on Ubuntu 18.04 [duplicate]

I'm at the state of frustration trying to install MySQL 8.0 on my Ubuntu 18.04 box. I have searched and see many answers (and also a lot of posts about failures) but nothing is working. I start by ...
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30 views

Clear boot messages and open terminal on TTY1

I updated from Ubuntu Server 16.04 to 18.04 and after all other configuration fixing was done there is still one thing bugging me: On my previous version, after booting, the [ OK ] messages ...
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38 views

Uninstall package locally installed with checkinstall

OS: Ubuntu 18.04 I wanted to install vim from source, using checkinstall. So I ran this: $ git clone https://github.com/vim/vim.git $ cd vim/src Here, I edited the Makefile so vim would be ...
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Ubuntu 18.02 LTS detects monitor but remains black

On Dell G3 15 with GeForce GTX 1050 Ti/PCIe/SSE2 I am connecting to an external (acer) monitor via HDMI. I do not have any image (the screen is black) sometimes is coverd in blue dots or blue lines. ...
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Not able to boot into ubuntu after reinstalling it

On my system with ssd+hdd, there is windows on ssd and ubuntu on a partion in hdd. I tried installing ubuntu again as blutooth and some others issues are present. Installation is happening properly(...
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Installing softwares and keep them on bootable usb [duplicate]

I have a bootable pen drive which has enough space 64gb. I want to use ubuntu on it. If I download VSCode, I want it to be there with all files and projects when I boot again. How can I make software ...
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virtual box does not work after reinstalling to latest version. Error codes:Failed to open a session for the virtual machine win 10. [duplicate]

I'm running ubuntu 18.04, I installed virtual box from ubuntu software and it was out of date, so I dowloaded the latest version from their website and now when I try to run a virtual machine it comes ...
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18.04 “No wifi adapter found” [duplicate]

I'm no longer able to use Wifi on my lenovo thinkpad p1 after a recent update from Ubuntu (i think at least). And I'm desperately looking for some guidance if it's the chip or if it's a driver issue. ...
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Custome ubuntu file manager

I want to make Ubuntu file manager look like the bottom picture. I tried to paste css code to /usr/share/themes/Ambiance/gtk-3.0/gtk-widgets.css but it does not work. I'm using Ubuntu 18.04. view row:...
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internal Microphone and Headphones Mutually Exclusive

When my headphones are plugged into the jack on the side of my laptop ( HP Omen 15-ax250wm) The internal mic is shut off. My laptop is set up to dual boot and this issue does not exist in Windows 10. ...
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Why are all of my folders locked?

I'm new to Ubuntu and I'm trying to delete some of my files but I get a message saying "Permission denied", and my files are locked. How do I unlock them to delete them, or make changes?
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Unable to install Ubuntu 18.04 from 17.10 [duplicate]

I'm trying to upgrade Ubuntu but there is no new release available. Output of lsb_release -a: No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 17.10 Release: 17.10 ...
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34 views

Ethernet 'cable unpluged' when waking up laptop from sleep

I have this weird issue whenever I wake up my lap top from sleeping, the Ethernet connection could not be detected. I managed to get it working by removing network module and adding it again. rmmod ...
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Ubuntu 18.04 brightness command

In Ubuntu 18.04 with Gnome, what is the command that is used to change the display brightness (backlight)?
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Fuzzy/broken desktop and lock screen Ubuntu 18.04

Really not sure what to do here and cannot replicate consistently. Sometimes this just happens... My graphics card is a GTX 780Ti and drivers are updated (430.26)
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Ubuntu 18.04 LTS Dual Monitor Unknown Display

Hello I Have been using Ubuntu two years now and i finally decided to treat myself and get two identical Acer R240HY 1920x1080 Monitors. Everything works as intended with only one monitor. As soon as ...
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How to recover lost partitions in 18.04 [duplicate]

I found some old answers, but I think it is justified to ask this for 18.04. I had Windows 10 + 18.04 as dual boot. I tried to change an empty NTFS drive to ext4 and everything collapsed. I don't know ...
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Ubuntu 18.04 Install BppSuite(BppPopGen)

I installed bppsuite with Ubuntu 18.04 lts. However, BppPopGen is not installed. Please let me know how it will be installed. It is Japanese, but write down the record when it was installed. sudo apt ...
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Two different versions of GNOME runtime

When I open Ubuntu Software, and check the installed software, I found that there are 2 different versions of GNOME runtime (3.26 and 3.28). 1- How to check which one of them is running? 2- Is it ...
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HP Pavilion 14 very slow on Ubuntu 18.04

I've recently bought a new laptop (HP Pavilion 14) and decided to replace Windows 10 with Ubuntu 18.04 (64 bit). The problem is that it's now so much slower than before. It boots very fast but ...
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Set up SFTP/FTP for development purposes

I have 18.04 Ubuntu Server running (via VM) and using it for development (Mongo, Express, Node) purposes I would like to introduce some code others have written. Some of it I can install via npm, ...
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how to download drivers for DG-WN3300N wireless adapter [duplicate]

I've DG-WN3300N wireless adapter. I am using Ubuntu 18.04.2 LTS Please tell me how to : 1) download drivers 2) install drivers 3) setup wireless adapter. After running "lsusb", this is the ...
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33 views

NTP will not update time for clients

I am running a Ubuntu 18.04 server with ntp installed. I need NTP to synchronize time in ordet to let a Munge-service to work correctly. My firewall is not enabled, however I have added rules to ...
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64 views

Ubuntu installation gets stuck at “[sda] Synchronising SCSI cache”

I've tried changing USBs, manual partitioning and the automatic one, turning secure boot on and off and pretty much everything I could think of but the installation always gets stuck after the reboot ...
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What does this error mean? -Xmx500m

I have a script.php file that runs every morning. This script consumes a lot and I need to discover what part of the code generates this. I have launched the script and when executing the commented ...
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Shared Folder & File Permissions

I've spent hours searching for an answer to this problem before deciding to create an account and ask myself: OS: Ubuntu 18.04 I have a folder named "servers" Inside this folder, files are ...
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The repository 'http://ppa.launchpad.net/gnome-terminator/ppa/ubuntu > bionic Release' does not have a Release [duplicate]

Getting an error while running sudo apt-get update on ubuntu 18.04. What could be the possible reason for this? Hit:1 http://linux.teamviewer.com/deb stable InRelease Hit:2 https://cloud.r-...
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Upgrade for Qualcomm QCWB335 (Kubuntu 18.04)

I have an Asus laptop and I've recently switched over to linux (kubuntu 18.04) - loving it by the way! My question is which half pcie wifi adapter (to get a 5ghz and get as much out of my 400mbps ...
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“ This PC ” equivalent for 18.04

" This PC " in Windows 10 is very helpful to get an overall idea about drives, devices and free space. Is there any method to get such a view in 18.04 ? Thanks.
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How to install IceCat 60.7.0 on Ubuntu 18.04 LTS?

I'm new to Linux and I can't make this. I've gone through many forums and I can't figure it out. This may be very simple but I haven't got it yet. I've tried those: https://unix.stackexchange.com/...
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Unable to open application via Citrix (on Ubuntu 18.04)

I am trying to open an application with citrix on ubuntu 18.04. I installed citrix receiver 3.08 (after having 3.10 because I was getting the same error (see below) via .deb file. The error I ...
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18.04 “No Wifi Adapter Found” ASUS TUF FX505DU Wireless Connection Issues

I've been using all the methods I could already find online, and I've now come to understand that there is no driver that is claiming my laptop's network card Here are my outputs from Linux: ...
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53 views

libqt5gamepad5-dev not available in 18.04 repos?

I'm trying to install this according to this guide, but when I go to install libqt5gamepad5-dev, I get "Package not found". I've sudo apt update'd multiple times to no avail. How do I fix this problem?...
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500 views

RAM usage becomes high without doing much work

When I browse the Internet using Firefox, suddenly my PC will become stuck for a few minutes. After that, when I check RAM, I find there has been a huge increment in usage. Why is that, and how ...
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Ubuntu 18.04 on oracle virtual box 6

I manage to install ubuntu 18.04 on oracle vm 6, but as soon as i install the new updates it dosen't work anymore - i get only the background of ubuntu login screen but without the login's input. I ...
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12 views

only displaying a webpage on 1 of two monitors

basically, i have three linux machines in a datacenter. I'd like to monitor these over netdata. My experience with Windows is better, though i do have a ubuntu machine running Plex and some other ...
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18 views

How to mount a disk using cifs

I am trying to mount a remote shared drive using cifs with the following command sudo mount -t cifts -o user=username,pass=password,dom=domainname \\locationOfSharedDrive ~\mountLocation While the ...
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Ubuntu not working properly after install dual boot

I downloaded ubuntu 18.04 LTS and installed it "alongside windows 10". The installation works fine. I remove the installation media, restart and choose Ubuntu in GRUB. Once I get in to ubuntu my ...
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1answer
32 views

External sound card UR22 Steinberg works in one installation but doesn't in other

I have two Ubuntu 18.04 systems. One on laptop, and other on PC. I have got external soundcard Yamaha UR22 Steinberg and trying to plug in it to PC. Ubuntu on laptop see it without any problems. But ...
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Bad superblock repeats every Xubuntu 18.04.1 reboot

UPDATE: The problem occurs after booting Windows 10 In my Xubuntu 18.04.1, when I try to boot, it gets stuck on a black screen, so I press the power button to force shutdown. Next time I try to boot ...
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28 views

isc-dhcp-server and systemd-networkd

Does systemd-networkd implement a DHCP server or does it work with isc-dhcp-server? I am attempt to implement a gateway/router using 18.04 LTS server. I am reading the man page regarding the systemd-...
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I can't player videos, run the file manager and the terminal after the update at 1 July

Here is my system information: sysinfo At July 1, there was a system message pop up reminding me to update some packages and drivers and I clicked yes. Unfortunately, after the update was finished ...
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Cloning an Ubuntu 18.04 physical server

I am working on cloning an Ubuntu 18.04.2 physical server, I use clonezilla for cloning, however, when I apply that image to any other servers (and of course I change the hostname and static IPs), I ...