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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Problem logging into ubuntu 18.04

Background info: Clean install of Ubuntu 18.04 LTS on single partition (SHA-1 checksum verified), Hardware: HP dc7800p, BIOS: 786F1 v01.32. Ubuntu works fine when started but logging into it can take ...
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693 views

Ubuntu 18.04 and Radeon drivers not enabling display port daisy chain

What is the correct way to install the AMD Radeon drivers, proprietary or open source, in order to enable proper support in 18.04? I've tried installing the AMD 18.04 beta drivers up at https://...
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684 views

How to install vmware in lubuntu 18.04

Can anyone tell how to install Vmware in lubuntu 18.04. I'm not able to install it. I have tried chmod +x vmware.bundle sudo sh ./vmware.bundle But its not working. Thanks
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ubuntu 18.04 Tor transparent proxy

I'm trying to set up a machine with two net interfaces eth0 connected to the internet router eth1 connected to a switch with other machines I would like to route all traffic transparently for other ...
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615 views

conntrack shows no result

I tried the command conntrack -L and it returns 0 flow entries have been shown on Ubuntu 18.04. And conntrack -E doesn't display nothing. I also tried to load the module by modprobe nf_conntrack_ipv4,...
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172 views

I got an error message when I execute the command 'sudo nginx -t '

I got an error message when I execute the command as root: nginx -t Error: nginx: [emerg] bind() to 0.0.0.0:80 failed (13: Permission denied); And There is nothing happend when I execute the ...
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127 views

grub-install not fixing boot-loader failure after BIOS defualts reset

Background: Dual booting windows 10 and lubuntu 18.04 from single ssd, both in EFI boot. No separate /boot partition. Secure boot is disabled. Can load grub from live-USB ubuntu fine (boot order is ...
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595 views

Keyboard input is not working in 18.04

Keyboard input is not working in 18.04. It always works till I unlock - type in password. After that it works only sporadically. A stop icon is also displayed sometimes over the screen. Why does ...
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2k views

Displaylink USB monitor on Lubuntu 18.04

System is an old Acer Aspire One running Lubuntu 18.04. Hoping to use an AOC e1649Fwu USB monitor as 2nd display. This page says the latest Displaylink driver (4.2) works with 16.04 + 17.10 -- no ...
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492 views

Realtek Semiconductor RTL8723DE Device d723 issue - the solution for Ubuntu 18.04 does not work

The problem is well described in this post. As the title says, the suggested fix for the problem for Ubuntu 18.04 seems to run fine, and I am relatively sure to meet the requirements, but after ...
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388 views

Memory card not working

I have a Dell XPS 15 9560 running Ubuntu 18.04 and I can't seem to get the memory card working. Everything I've tried, looking at other threads on here and elsewhere, but to no avail. Below is the ...
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79 views

VirtualBox crashes GNOME when moving window to a different desktop

When I am using VirtualBox and try to move the window to another desktop it freezes GNOME completely I am on Ubuntu 18.04 This happens when the process of creating a virtual drive is in progress, ...
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1answer
461 views

How to troubleshoot or resolve of hardware acceleration of Intel i945 disabled on upgrade from 17.10 to 18.04?

I've experienced an issue where hardware acceleration of my Intel i945 mobile display chip set has been disabled during an in-place upgrade from 17.10 to 18.04. Unfortunately none of the existing ...
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1answer
81 views

Python 2.7 script using curses being automatically backgrounded when halfdelay or cbreak is called

I am currently working on modernizing (was made on Trusty 14.04, modernizing for Bionic 18.04) a python script that uses curses to create a menu for a user. During the initial launch of the script ...
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1k views

how to add xenial versions of package into bionic?

I need some versions of a package which are in xenial's repo, but I have bionic. How can I do? The long version is : I need libopencv in version 2.4 (which is provided by the xenial official ...
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910 views

SSH Agent Does not Work After Update

Since I installed regular updates on Ubuntu 18.04, the ssh agent does not work anymore. If I try "ssh r146" (or any other host where my key is an authorized key) it prompts me on command line for the ...
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418 views

Validity VFS491 Fingerprint Scanner issue on ProBook 4540s running Ubuntu 18.04

I am using ubuntu 18.04 on HP ProBook 4540s.Following is the output of lsusb : Bus 002 Device 004: ID 0cf3:311d Atheros Communications, Inc. Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated ...
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566 views

Btrbck Error: Not a BTRFS Filesystem?

I have installed my Kubuntu 18.04 system using a manual partitioning scheme and chose BTRFS in the install screen. This is confirmed using the disks utility. However, when I try to follow this ...
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49 views

Succesfuly installing Ubuntu 18 after Win10 but cannot see boot option

I succesfully installed Ubuntu 18.04 on top of pre-installed Windows 10 in a HP Probook 440 G3. It boots straight into Windows. The only way to load Ubuntu is pressing the f9 key, and choosing Ubuntu ...
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391 views

Ubuntu taking about 5 minutes to Boot!

Please suggest if you have some experience with what can I do to decrease boot time. What is the reason for the userspace taking so long? $ sudo systemd-analyze time Startup finished in 3.395s (...
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111 views

Accidentally installed elementary os boot name, icon and splash screen on Ubuntu 18.04, how can I restore the defaults?

I was trying to install pantheon terminal from the elementary os repository, so I ran an install of elementary-* including desktop and icon packages. One side effect of this is that in the GRUB menu ...
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677 views

ASUS Touchpad problem on Ubuntu 18.04

I've got ASUS N551J with Ubuntu 18.04 LTS. ETPS/2 Elantech Touchpad - touchpad model. My trackpad is working fine, but I can't setup smart gestures like 3 finger drag upwards to change active window, ...
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131 views

Ubuntu 18.04 RTL on “HP pavillon power laptop 15-cb0xx” - Mouse click and keyboard not working

I'm trying to execute/install ubuntu 18.04 on a "HP pavillon power laptop 15-cb0xx", using a USB stick. I get stuck because the keyboard is not working and the mouse click is not recognised (as well ...
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327 views

Terminal, Files, and Settings windows are completely black on Ubuntu 18.04

I can't access Terminal and neither Files. I have upgraded to Ubuntu 18.04 two weeks ago and I don't know how to explain this situation but when I open my Terminal or Files, both open fully black. I ...
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1answer
938 views

Installing Ubuntu Server 18.04 w/ RAID 1

I wish to put up a Ubuntu server for 10 people, mainly for file sharing via samba (for now). The server, in an Intel SC5295UP chassis, had the old unsupported distro Dark Star. Linux was installed on ...
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237 views

After installing the NVIDIA drivers, the session with the Intel integrated card becomes slow

I have installed the NVIDIA 390 drivers on my Ubuntu 18.04 LTS with my Geforce 1050 Ti, but after that if I choose the Intel integrated card from the NVIDIA settings, the boot of the Ubuntu session ...
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ERROR 1698 (28000): Access denied for user 'root'@'localhost'

alhelal@VimLaTeX:~$ mysql -u root -p Enter password: ERROR 1698 (28000): Access denied for user 'root'@'localhost' alhelal@VimLaTeX:~$ sudo mysql -u root -p [sudo] password for alhelal: Enter ...
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How to install Ubuntu 18.04 LTS from my External HDD to my Laptop Internal HDD

I have to install Ubuntu 18.04 LTS to my Laptop, I can Install it from USB Pen Drive or any CD/DVD but the problem is I don't have that, but I have my USB External HDD, So I want to use my External ...
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79 views

Firefox perhaps having trouble with stackexchange and possibly making too many requests

Does Firefox have trouble with Stackoverflow? It fixes itself pretty quickly. I have a slow connection. Went ahead and installed chromium-browser. Chrome seems a bit better, but not hugely. ...
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1k views

Screen resolution change on “lock screen”

I have a weird issues that has been bothering me for a week or two. I have two accounts on a Xubuntu 18.04 (recently updated) When I log in either of thoses accounts, screen resolution is working ...
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235 views

Wifi detection is low with AR9485 adaptor on 18.04

I am using Ubuntu Bionic. Somehow Ubuntu can't detect or display low bar signals to a Wi-Fi that shows 2 bar on my Android, I even tried a Windows machine and it displayed 3 up to 4 bar signals. ...
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955 views

Unable to RDP into UBUNTU VM (hyper-v)

I have windows 10 machine with hyper-v and have got a ubuntu VM on it I have installed xrdp on the same with xfce4 but unable to get RDP connection from my windows host .. I get following error ...
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120 views

How do i make my hard drives appear on my desktop?

I can not figure out how to make my drives appear on my desktop. I have 2 tb drives and when Ubuntu 18.04 Boots neither of them show in Nautilus. Unless i click other locations and click on one of ...
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680 views

Disable Popup Notification on Ubuntu 18.04 Language Switch

Recently i installed Ubuntu 18.04. I added a Bengali keyboard layout and set the shortcut to switch between languages. The problem is when i press the shortcut key a popup notification appears and the ...
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277 views

Ubuntu 18 boot time is very high after upgrade from 16 LTS

I am facing startup time problems in ubuntu 18 after upgrade from 16 LTS. Below is the output of systemd-analyze blame 1min 9.470s plymouth-start.service 1min 8.107s plymouth-read-write.service ...
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265 views

Brother Driver Asks for IP Address of Network Printer?

I'm trying to install a Brother driver for a printer that is connected to my router's WLAN. The driver asks me for an IP address, which I'm not sure how to give it, and I'm not entirely certain why it ...
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2k views

Ubuntu Server 18.04 Intel RAID (RST) can't detect the RAID

I've created RAID10 in BIOS (Intel RST). In 16.04 everything was OK. And in 18.04 I can't see my raid at all. I choose: Active MDADM containers (Intel/DDF RAID) => "yes" Activate Serial ATA RAID ...
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1answer
507 views

Unable to upgrade from 17.10 to 18.04

When I run the command to upgrade to Ubuntu 18.04 /usr/lib/ubuntu-release-upgrader/check-new-release-gtk I get the following error : /usr/lib/ubuntu-release-upgrader/check-new-release-gtk:30: ...
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2k views

Samba 4.7.6 Issues on Ubuntu 18.04

I have been hosting a few public and access-controlled shared folders (located on an external drive) using Samba 4.3.11-Ubuntu under Ubuntu 14.04. That worked very well, and exactly as desired for my ...
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652 views

18.04: After failed start of ubuntu live system (from DVD) BIOS can no longer be opened with F11

I've tried to start an Ubuntu Live System from DVD. (There should be no changes to my already installed system.) I proceeded as follows: Restart of Computer During boot process pressed F11, as ...
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106 views

Missing Access Rights for OpenOffice Applications

I'm very new to Linux and Ubuntu. I recently installed Ubuntu LTS 18.04 and I've replaced LibreOffice with OpenOffice, but I'm not sure how to allow myself to access OpenOffice without relying on ...
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733 views

Xubuntu 18.04 upgraded kernel and resolution changed

I was troubleshooting a slow boot-up problem. I upgraded the kernel and the monitor resolution changed from 1920×1080 to 1280×1024. Under Display that is the only choice I have. I rolled back to the ...
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694 views

In Ubuntu 18.04 Unity, dragging windows turns them a solid gray color

In 18.04, I installed ubuntu-unity-desktop package, and restarted and logged in with Unity, and whenever I drag a window it goes an ugly gray color (and doesn't wobbble, with wobbly windows turned on)...
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16 views

Can't upgrade vrom ubuntu 17.10 to 18.04

I'm trying yo update from 17.10 with sudo do-release-upgrade -d But i get a message which says ther is nothing to update.
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432 views

The grub-efi-amd64-signed package failed to install in /target/

I have windows 8.1 installed on SSD. Also I have multiple HDDs. I want to install Ubuntu 18 on a separate hard drive, while preserving the dual boot. My device config looks like this Device ...
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1answer
452 views

No lock button in Status Bar of Ubuntu 18.04

No lock button is present in the drop down of the status bar in Ubuntu 18.04. When I go to Settings> Privacy> Screen Lock, I can click Screen Lock to open the Screen Lock window. In the Screen Lock ...
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163 views

Vpn double speed but same time

This is more a question about how the system works than a practical problem. When I try to download something I get the same flat speed, let's say 10MB, but when I use a VPN the gnome speed applet ...
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1answer
1k views

Soundcard not working / not detecting on Ubuntu 18.04 LTS

Lenovo N21 Chromebook. I'm using Ubuntu 18.04, running an xubuntu desktop. When I've had to go back to ChromeOS, the speakers and audio work perfectly fine. I've looked for about two hours, tried ...
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1answer
59 views

On hover apps leave pop up on screen

I'm using Ubuntu 18.04 and this happens pretty much with every app. When I'm using an app that has some sort of hover functionality, and when that hover functionality is triggered (ie a pop up ...
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3answers
51 views

linux newbie Rootsystem

It seems impossible to install Ubuntu 18.04 on my new computer with Windows 10. I don´t understand how to deal with the root system failure. Ubuntu crashes every time I get to that step. No partitions ...