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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Install xrdp and use KDE on 18.04

I have an Ubuntu 18.04.4 system and have KDE installed on it. I would like to get xrdp running on it with Kubuntu desktop. Googling around it seems that I should be able to just install xrdp and then ...
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Script does not execute when returning from sleep state

I have this in /usr/lib/pm-utils/sleep.d/ but it does not execute when returning from the sleep state. #!/bin/sh PATH=/usr/bin/:/usr/share/sounds/ case "$1" in resume|thaw) ...
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Random Shuttdown(?) of Ubuntu Server

My server is shutting down (I guess) without any logs showing any indication of a shuttdown or crash. First I found an error report that was due to a Hard Disc failure. My hoster replaced the HDD and ...
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Can I add a newer network manger to 18.04?

I need a newer version of Network manager on 18.04 as far as I can tell there are many but they aren't (for good reason?) being included in the distro. Can I add a newer version to the apt and have ...
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Ubuntu 18.04 jumps to single display mode on opening terminal

Every time I'm open regular terminal or open bash inside VCode or inside any other programs that are using/opening regular terminal - I'm loosing secondary display connection and staying with single ...
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Clicked on unmount instead of eject and now I can not find the DVD player

Ubuntu 18.04. I meant to click on eject and clicked on unmount. Now I can not use the DVD player. I tried reboot and I inserted and ejected the DVD a few times. Before when I put the DVD in it wound ...
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Cannot boot into Ubuntu, blinking cursor

I tried to boot into my Ubuntu 18.04 LTS. I'm using a desktop computer with an Asus P5NA7 motherboard and a Q6600 CPU with integrated NVIDIA graphics. When using text instead of splash silent, the ...
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How to switch between Ubuntu 20.04 and Ubuntu 18.04?

Both were installed on the same disk. Ubuntu 20.04 is on sda5, Ubuntu 18.04 is on sda7. When I rebooted, it appeared that the installation is failed so I tried another time to install Ubuntu 18.04 ...
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Ubuntu 18.04 PXE Installer Crashing

This problem is quite specific, but as I am only seeing this behavior on one type of hardware, and only on the 18.04 installation, I figured I'd reach out on here. PXE booting an HPE DL20 Gen9 server ...
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Install driver not showing WiFi network anymore

Every now and then I do a clean install of Ubuntu, and every time I am able to select WiFi networks during installation. For some reasons now it only shows "Intel corporation". The only ...
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1answer
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Not Able To Login Using SSH Key

I'm having some troubles getting Public Key Authentication working on my server. I'm currently running Ubuntu 18.04 LTS. I've got my Public Key added to the authorized_keys file for root but it keeps ...
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Ubuntu 18.04 same list of 'errors were encountered while processing for almost everything

This could be construed as a 'repeat' question but believe me I have tried everything i've seen bar reset the entire server. I am trying very hard to get a virtualenv working for flask so naturally it ...
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Update Error from Ubuntu 18.04 LTS to 20.04 LTS :- Please install all available updates for your release before upgrading

I want to Upgrade From Ubuntu 18.04 LTS to Ubuntu 20.04 LTS So i ran The Following Command's sudo do-release-upgrade -d -f DistUpgradeViewGtk3 Checking for a new Ubuntu release Please install all ...
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“ ImportError: No module named weave ” is showing

When i run my python code this error is showing. ImportError: No module named weave. I tried with : pip install weave . Again the same error is showing
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Remove a single file preview in the Unity desktop launcher menu

On Ubuntu 18.04, using the Unity desktop, when you hit the Super key it displays the Unity launcher menu from the top left of the screen, allowing you to browse your recently used files to quickly ...
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mongod vs systemctl start mongod

When I try to start mongod as a service, it fails: $ sudo service mongod start $ sudo service mongod status ● mongod.service - MongoDB Database Server Loaded: loaded (/lib/systemd/system/mongod....
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How to Run SystemC on Eclipse

I recently install Eclipse from USC. I am using Ubuntu-18LTS. I have installed systemc-2.3.3. But I am stuck at running systemc program in eclipse. Could anybody please give steps for running systemc ...
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Headphone mic not getting detected in Ubuntu 18.04

My headphones mic is not getting detected in my ubuntu. I have tried different solutions but nothing worked. Alsamixer-micboost is set to 0. I tried increasing it but if I open it again it is still 0....
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Erron running a custom session

I want to run ubuntu 18.04 without desktop environment. I just want run windows manager and display manager. iv installed lightdm(DM) and compiz(WM). It give me this image after llogin. : unable to ...
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Extract option not working in Ubuntu 18.04

I tried to extract .zip files by simply "Right-click-> Extract Here" but it is generating an empty folder. Earlier, it used to work fine but now it is not. Using terminal to unzip is ...
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What is the best LTS ubuntu version to upgrade to, when the presently installed one has only 2 months left? [closed]

I am running Ubuntu 16.04, which I upgraded originally from Ubuntu 14.04. Presently (February 2021), Ubuntu 16.04 will run out of support in less than two months. I could now upgrade to 18.04 or 20.04....
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Ubuntu 18.04 HDMI does not work on Thinkpad X1E Gen 2

I googled the problem and saw this issue was common, but I still have not resolved the problem. My thinkpad X1E Gen2, with 5.4.0-62-generic #70~18.04.1-Ubuntu SMP, and has two video card: enbeded ...
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Ubuntu 18.04 AMD GPU drivers - build error during installation

I have 18.04.5 LTS installed (server version). I need opencl support. I tried installing AMD GPU driver, version 20.40, which is designated to work with this version of Ubuntu: https://www.amd.com/en/...
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Screen freezes for about a second every 10-30 seconds

My display keeps freezing for about 1-3 seconds every 10-30 seconds. I notice in the system monitor that gnome-shell tends to accumulate ram. When it gets to using more than a couple gigs I restart ...
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Prevent Ubuntu blocking screen lock for full screen application

I have VMware running on Ubuntu 18.04.5. When a VM is running in fullscreen mode it blocks Ubuntu from locking the screen. How can I run something in fullscreen mode (namely VMware) but still have the ...
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Ubuntu 18.04 OOM Killer keeps getting invoked, but I can't find any sign of out of memory

I have a fresh install of Ubuntu 18.04 Server. I am trying to build it up to replace a server that has died. I am having a lot of trouble with OOM Killer killing my logins, my rsync's, and lots of ...
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ok started hold until boot process finishes up

I am new in Ubuntu. I restarted my 18.04 Ubuntu on PC and it shows the message " [ok] started hold until boot process finishes up" I tried to press Esc or Shift, same problem. I've been ...
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List all GNOME shortcuts currently in use

I am trying to set Super+T to start an application, but that shortcut is not recognized. I guess it is already in use somehow, but I don't see it in the list of shortcuts and when I press it nothing ...
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1answer
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Is it possible to remove Debian 8 GRUB background from Ubuntu MATE 18.04 LTS?

I have two laptops upgraded to Ubuntu MATE 18.04 LTS. The first laptop was upgraded Ubuntu 10.04 LTS → 12.04 LTS → 14.04 LTS MATE → 16.04 LTS MATE and then to Ubuntu MATE 18.04 LTS. For some reason ...
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ufw differentiates block-and-log from unmatched log

I insert block rules using this kind of statements sudo ufw insert 1 deny log from 45.136.228.230/24 I have a few hundreds of such deny-log rules. ufw will block the IP and log the event. However, ...
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Can you link control group to all processes by a user?

Often times my ubuntu freezes because of a process becomes CPU hog. I want to link my user to control group with cpu limitation so all my processes started will have this limitation. Is that possible ?...
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Persistent Live USB/Storage: Fix default user issue after upgrade to 20.04

I created and have been using a persistent live usb disk with Ubuntu 18.04, for some time. During this time, I used a user account that I created, not the original user account for the live disk. I ...
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do-release-upgrade from 16.04 to 18.04 broke python3 and several of its dependencies

I recently ran do-release-upgrade from Ubuntu 16.04 to Ubuntu 18.04 on the way to Ubuntu 20.04, and ran into several problems that I've been working through. sudo apt-get -f install returns: Setting ...
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How to open Chrome with a specific position and size from Terminal? --window-size is not working

I need to open google-chrome with a specific position and location from Terminal on Ubuntu 18.04. I tried google-chrome --window-position=10,10 --window-size=500,300 But it always opens full screen. ...
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Ubuntu 18.04 Bluetooth issue

While playing music through a bluetooth speaker, the music suddenly stopped playing through the bluetooth speaker. It has happened a couple of times. Music can be played through the PC speakers. The ...
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How can I open My Ubuntu , when I was upgrading to 18.04 . Now it is not working [closed]

Ubuntu is not opening . I was upgrading to 18.04 that time the net was gone . That time something displayed that says couldn't upgrade system. After when I opened my laptop I couldn't run Ubuntu. In ...
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1answer
25 views

How can I remove VMWare Player?

The vmware-installer command isn't found. Perhaps someone could send me their vmware-installer binary? It isn't an apt or snap app. vmware-installer: command not found
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HDMI video output briefly goes dark each time System Settings is launched (Ubuntu 18.04.5)

I am using Ubuntu 18.04.5 on a Dell XPS 13 9370 laptop, and I have an external HDMI screen. I have the issue that every time I launch System Settings the screen goes dark for few seconds. It also ...
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23 views

Prevent user login before mount is complete

All our workstations are Ubuntu 18. The /home/ is a network mount (nas). This is how it looks in /etc/fstab: nas:/mnt/export/home /home nfs nfsvers=3,_netdev 0 0 The problem is: ...
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Disadvantages of using net-tools instead of iproute2 on Ubuntu 20.04?

Since Ubuntu 18.04 the package net-tools was officially not included natively on installed OS, and was replaced by netplan and iproute2 packages which feature a slightly improved method of network ...
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Computer wake-up just after suspend

I'm running ubuntu 18.04 and frequently use the suspend button. After trying gsettings set org.gnome.desktop.screensaver lock-enabled false to wake without prompting for the password and gsettings set ...
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23 views

Pulse Audio module-echo-cancel doing “resync” which reloads the module

The following are error logs when using my microphone, seems to happen sporadically: Feb 17 09:12:35 <computer> dbus-daemon[892]: [system] Activating via systemd: service name='org.freedesktop....
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Unable to login stuckd in tty4. Please help. UBUNTU: clean, 552599/6111232 files, 7119295/24414464 blocks

VERSION 18.04.2 I was following this https://medium.com/@antonioszeto/how-to-install-nvidia-driver-on-ubuntu-18-04-7b464bab43e6nfor installing nvidia drivers and now ctrl alt f1 is not working
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25 views

BOOT Error on (Failed to open \EFI\BOOT\mmx64.efi - Not found)

I had my office laptop (acer singleboot)at my home which i upgraded (sudo apt update) after a long time. ununtu eduunbuntu image (bootscreen)18.04. Then after i restart it is not booting. Failed to ...
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ubuntu 18.04 login password changed encrypted home inaccessible

was trying to access data on an old laptop ubuntu 18.04 that had an eCryptFS Encrypted hard drive i could remember the encryption key but not the user password i booted into recovery and changed the ...
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29 views

Change background for login screen for 18.04

I want to change the background for my login screen for 18.04. I tried to change my login screen background via modifying /usr/share/gnome-shell/theme/ubuntu.css but that file does not exist. I found ...
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16 views

Force user to see only single application window

I'd like to configure Ubuntu 18.04 system so that: User, after logging in, can only use a single application and nothing else Underneath other with access can connect via ssh and have full control of ...
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1answer
78 views

Is the long freeze-up normal on 18.04 and ThinkPad R61 after memory swapping starts?

I have the Lenovo R61 Thinkpad with Ubuntu 18.04. It has 4GB memory, Samsung SSD 860 EVO 500GB with 9GBs swap partition, Core™2 Duo CPU T7500 @ 2.20GHz × 2 and Intel® 965GM (CL) graphics. Soon after I ...
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1answer
62 views

how to rebuild kernel modules after a linux-image kernel installation?

I have a default installation of Ubuntu 18.04.5, it comes with Linux Kernel 5.4.0. After that installation I found out I need a specific kernel version: 5.3.0, so I've installed it using apt: $ sudo ...
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Losing indicator applet complete from my panel

Sometimes I lose the indicator applet complete from my panel. I looked in syslog, but there is no entry showing it closing down. I need help diagnosing how to fix that problem.

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