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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In Ubuntu 18.04 no Sound in my laptop

In this image you can see no sounds are increased or decreased. How I can solve that problem?
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351 views

Virtualbox failing to create IP addresses for imported VMs

I'm trying to learn more penetration testing skills by testing myself against a prebuilt vulnerable server. However, when it comes time to connect to the guest server through the host OS (ubuntu 18.04)...
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Help installing

Okay, so I have been using windows 10 for the longest time but I decided to switch to ubuntu. I followed the sites instructions to install using a flashdrive, but after the installer finishes it asks ...
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277 views

how to install ip_tables and ip6_tables modules in ubuntu 18.04 kernel 4.4.0?

I'm trying to upgrade from 16.04 to 18.04. I use FireHOL, but FireHOL can't install in 18.04 server, evidently because there are no ip_tables.ko or ip6_tables.ko kernel modules in /lib/modules/4.4.0-...
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307 views

Ubuntu 18.04 suddenly not starting anymore

The system worked fine yesterday - but after starting it up again this morning, it just decided to fail on me. Endless loading screen, before it suddenly switches to a console view to show me this: ...
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262 views

Ubuntu 18.04 can't boot

after upgrading Ubuntu 16.04 to 18.04 it doesn't boot at first the screen freezes then it goes black !! although I can boot in ( nomodeset ) it disable Intel integrated graphics and LLVM is shown ...
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1answer
254 views

can not shutdown or restart or even hibernate again after hibernate (ubuntu 18.04 LTS)

I have a almost the problem match to this link (ubuntu hibernate works just one time) but In addition to the hibernate again i dont able shutdown or restart my laptop. i have a ram with 8GB size and ...
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907 views

Ubuntu 18.04 NO AUDIO problem for some work

I upgraded to ubuntu 18.04 everything works fine except audio . there is no Audio output from speakers/headphone. I tried almost everything i can think of.. but here is the thing.. \ I used command `...
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350 views

Will there be complete windows transparency management in Ubuntu 18.04?

I am a huge fan of Ubuntu 16.04 with Unity Desktop Manager allowing to customize plenty of things with Compiz Config Settings Manager (CCSM), among many many others, I name the windows transparency! :...
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Blender destroys PSD file on Ubuntu 18.04

I will understand if this question is not related to Ubuntu specifically but on AskBlender did't find any answer. Installed Blender in Ubuntu with command: sudo apt install blender everything ...
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1k views

Keyboard backlight on Xiaomi Notebook keeps turning off

Ubuntu 18.04 is installed on my Xiaomi Notebook 13". I am having an issue with the keyboard backlight : after a few seconds without using the keyboard, the backlight of the keyboard turns off until ...
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564 views

Should i install Ubuntu 16.4 or 18.04

It has been almost 2 years that i installed Ubuntu 16.04. These days not only it is a little slow, but it has problem doing some tasks. I completely formatted the computer and I tried to install ...
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1k views

Ubuntu 18.04 Laptop Lid Behaviour

I've been having this problem with my acer laptop where ubuntu totally ignores the lid power options. I want my laptop to lock (always) when I close the lid and also, to sleep (only when the adapter ...
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2k views

Wireless not connecting with Ubuntu 18.04

Though I had got on top off persistent wifi problems when I installed Ubuntu 18.04, and for a while all was well with the wireless world. But then one day the wifi failed to connect for no good reason....
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1k views

Installing Ubuntu OS on a separate drive with dual boot Windows

I already looked at the Installing Ubuntu on a separate drive question, but it was all about resizing partitions on an existing Windows drive rather than placing the Ubuntu OS on a separate hard drive....
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3k views

Error while booting says '/casper/vmlinuz not found’

Just bought a new internal hard disk and made a bootable Ubuntu USB. But while booting it says that /casper/vmlinuz not found.
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381 views

How to change default wallpapers in custom ISO using cubic?

I have made a custom ISO image using Cubic. I had installed the applications I required and deleted the ones I didn't. But I want to change the preset wallpapers, my shell and save my different ...
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357 views

Lubuntu 18.04 Steam not loading properly

I just installed Lubuntu 18.04 and the first thing I did was try to install steam. I tried from the Lubuntu software center and then using "sudo apt install steam." Both gave me the same result. Steam ...
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708 views

rdp session not showing “open terminal” or other options

I just installed ubuntu 18.04 on hyper-v on windows 10.0.17134. The mouse is slow and I can't copy/paste to it, and apparently that's impossible without using term serv, so I installed xrdp on ubuntu ...
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784 views

Ubuntu hp probook suspend problem

I recently bought a new laptop (an hp probook 450 G5), and installed ubuntu 18.04 on it. But i have a big issue, when i close my laptop or press the power button to suspend, it won't resume when i ...
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251 views

Menu icons not correct in Inkscape

I have installed inkscape (0.92.3-1) on Ubuntu 18.04, and everything works fine. However, the icon panel (tools panel) on the left side doesn't show the icons in a correct manner! Thankful for any ...
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2k views

Problem resuming after suspend in Ubuntu 18.04

I've recently upgraded my Asus laptop from Ubuntu 17.10 to Ubuntu 18.04. Suspend was working fine on 17.10. However, after the upgrade, whenever I try to resume the laptop after suspending, the laptop ...
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221 views

partition in 18.04 without extended file

This is my disc partion Just install 18.04 I don't how to do partition. I did youtube and google but they did with the help of extend partition in their file. I don't have this. I don't know why I ...
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1k views

Can't log into Ubuntu after update

Yesterday I upgraded Ubuntu to 18.04 . Today I logged out and tried to login by giving the password. Password is correct and it seems to be working and suddenly it comes back to login screen. When I ...
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97 views

Laptop directly booting to Ubuntu, grub repair fails, BIOS screen won't show up. Is there a way I can access Windows again?

I am an absolute beginner in Linux and I think I have trashed my laptop the first time I tried a Linux distro. I am using Asus A555L. I installed Ubuntu 18.04 to dual boot with Windows 10 (64 bit). ...
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Can't detect home parition during installation or in GParted

I have two partitions on my SSD disk, one for root mounted at /, and one for home folder mounted at /home. The problem is that GParted doesn't detect the home partition, it thinks that it doesn't ...
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305 views

How do I install Google Integrated System Conky on Ubuntu 18.04?

I am trying to install Google Integrated System Conky on my machine. Here is the link which I am following. I have followed the guide step by step. All the file were downloaded and present in my home ...
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Log In issue in 18.04

I have recently installed Ubuntu 18.04 LTS on my desktop. It's working perfectly until an unless i haven't off my Automatic login. After doing this i can't able to open my Ubuntu 18.04. I have also ...
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1answer
119 views

Can't Update package in Ubuntu

I use these command to install PHP 5.6 on Ubuntu Server 18.04 sudo apt-get install python-software-properties sudo add-apt-repository ppa:ondrej/php sudo apt-get update sudo apt-get install -y php5.6 ...
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710 views

Brave Browser (Snap) won't launch - possibly AppArmor related

Installed Brave (snap) via Software Centre on Ubuntu 18.04. It seems to install correctly. When I click on launch nothing happens but the log is full of multiple apparmor messages. I've attached the ...
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29 views

Is it wise to resize my Ubuntu partition without losing data?

I'm dual booting Ubuntu with Windows, but left very little space for windows because I don't use it at all. I now need a little bit of space to run Unity on it so I was thinking of resizing the Ubuntu ...
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687 views

Can't turn on backlight for Cooler Master Devastator II Keyboard on Ubuntu 18.04?

I have followed this link https://ubuntu-mate.community/t/cm-storm-keyboard-and-mouse-solved/9816 . I used this command sudo xmodmap -e 'add mod3 = Scroll_Lock' but it's showing me following msg ...
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1answer
1k views

I stopped mDNS with “ sudo service avahi-daemon stop” but it keeps restarting

I want to stop avahi-daemon (mDNS) and have it stay stopped. It seems to restart a bit after midnight. Obviously some sort of periodic job is restarting it but I can't figure out what is. TANGENT: ...
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1answer
387 views

Having trouble finding graphics driver - Ubuntu 18.04

I am new to linux and installed Ubuntu 18.04. I am having trouble installing graphics drivers. I have rebooted a fresh install like 10 or so times yesterday, installed steam, it boots into one game ...
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345 views

Change monitor resolution with Xorg fails

I'm using Xorg (not Wayland) and I have tried to change the resolution of my monitor to 2560x1440 and I get the error crtc 0, and I have followed the recommendations for other similar cases without ...
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1answer
498 views

DKPG problems on Ubuntu 18.04 with Wireguard

I ran into a brick wall installing wireguard on my System running Ubuntu 18.04, ever since then i can't seem to be able to install apps. I always get a prompt >E: dpkg was interrupted, you must ...
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611 views

How to turn on Bluetooth after turning it off in 18.04 LTS?

I recently installed Ubuntu 18.04 along with Windows 10 on a Dell XPS PC. Initially on Ubuntu the Bluetooth worked fine. I disabled Bluetooth for some reason using the switch in the settings UI and ...
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306 views

dconf and gettings show different results

My 18.04 laptop is not auto suspending on AC, although I can manually suspend it from the logout dialog, so there is no hardware issue. For testing purposes, I have tried a 60 second suspend. I am ...
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220 views

Ubuntu 18 installation issue: loops after i select disk

I'm trying to install Ubuntu 18.04 LTS. When i reach the part of the installation were i select the installation drive, it simply loops back, and starts the installation over. I've used the check ...
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690 views

Ubuntu 18.04 cannot detect Intel wireless adapter and battery on HP Pavilion 15-CB009NT

I've just installed Ubuntu 18.04 (Kernel V 4.15) on my HP Pavilion 15-CB009NT, which came with Windows 10 pre-installed. The problem is that Ubuntu cannot detect the battery and wireless adapter (...
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1answer
633 views

php command missing from ubuntu 18.04

I have Ubuntu 18.04 bionic installed on my machine. It came pre-installed from the manufacturer ( System 76 ) with: apache2 2.4.29 php 7.2 mysql 5.7 ( both server and client ) nodejs 8:10 git 2.17....
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1answer
473 views

systemd.network virtual interfaces

I have a dedicated server running Ubuntu 18.04, which is using systemd.network to manage its networking. The server has only one physical NIC. The hosing provider has allocated two IP addresses and ...
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Ubuntu keeps on showing an internal error with package rtl8192eu-dkms 4.4

I have tried installing this ppa but it does not have a release file and would not work for 18.04. Is there any solution for solving this or stopping Ubuntu from showing this annoying error:
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135 views

WiFi problem with Thinkpad 11e 5th gen

I had recently installed Ububntu 16.04 on Thinkpad 11e 5th gen but it does not work with the built in network card. However, usb D-link works. But when I upgraded the system it wouldn't work with the ...
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1answer
659 views

Logout and then immediately login again with one command

Is it possible to logout the current user and immediately login the same user again with one command in the terminal?
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1answer
248 views

Hang/freeze on loading/splash screen

I installed Ubuntu, no problem. I start up my PC and it freezes some time during the loading process, bringing up my cursor. I have no mouse or keyboard control, and I found this out by moving my ...
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721 views

Ubuntu 18.04: Macbook Pro Won't Boot with Intel Integrated GPU?

I've got an old 2011 Macbook Pro running Ubuntu 18.04 that has integrated Intel HD Graphics 3000, as well discrete AMD Radeon HD 6750M graphics. The discrete AMD card is basically dead (Google "...
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664 views

DPKG error: uninstall percona xtradb server 5.7

Trying to uninstall percona, as I broke installation. No luck: >$ sudo apt remove percona-xtradb-cluster-server-5.7 Reading package lists... Done Building dependency tree Reading state ...
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1answer
324 views

problem playing videos, from youtube any browser, from mpv (lubuntu 18.04)

OS: Lubuntu 18.04 updated to 2018-06-25 Hardware: exo cloudbok e15 (note: english is not my native languaje) Pasted at the end the result of lshw. Symptoms: youtube in firefox 60.0.2: keeps ...
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1answer
1k views

Running/Compiling binaries that require boost 1.58 on 18.04

I'm hoping that I won't have to rebuild a recent server that is running Ubuntu server 18.04... It's running great but there is one app that kicks out this error when I try to run it: error while ...