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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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 : ...
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How to set default value for parameter in bash_aliases

I have the following function. When i run this I get error Default Message command not found. commit { ${1:-Default Message} echo "git add ." git commit -m '$1' } I just wan't to set ...
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Ubuntu 18.04 goes to aeroplane mode when I close the lid

Using GNOME tweak tool, I have already selected off to 'Suspend when laptop lid is closed'. So, the system doesn't suspend. But, when I close the lid and reopen it, system goes in aeroplane mode and ...
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61 views

What is the difference between two desktop installation command? [duplicate]

These days, i installed desktop environment on Ubuntu 18.04 server LTS which need be based on gnome Firstly, l use command to install desktop apt install ubuntu-desktop when it was finished and ...
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Ubuntu keeps on rebooting after enabling TPM 2.0 from BIOS (APTIO utility)

I am having Ubuntu 18.04 LTS installed on to my system. I wanted to implement TPM functionalities. I enabled TPM 2.0 from Trusted Computing option in the BIOS. After this when I rebooted my system, ...
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43 views

How to Extend Ubuntu 18.04 Manually Configured Disk? [duplicate]

I have Ubuntu 18.04 server, I have 30 GB of space on my ext4 type manual disk, I want to add another 20 gb. How can I achieve this? I did not add a separate disk, I expanded the existing disk.
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21 views

Login as user hdfs failed:su: Authentication failure

I ran this script to create users and groups groupadd hadoop useradd -g hadoop yarn useradd -g hadoop hdfs useradd -g hadoop mapred But if I try to login miki@miki:~$ su - hdfs Password: ...
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Mutter cause crash down

If I had to upgrade the package 'mutter', the system will be stuck before login, and here is the screenshot. VM: VMware® Workstation 14 Pro 14.1.3 build-9474260 Host OS: Windows 7 Ultimate
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PXE boot an installation from 18.04 alternative ISO

because the normal sever iso no longer lets you install raid disk in any sensible manner, I'm forced to try and get pxe booting working from the alternative iso and have hit a brick wall. I followed ...
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My Ubuntu server 18.04 LTS won't boot up

I'm running 18.04 LTS on an old computer as a cheap solution to run my website and it has been working fine for almost a year until now. I realized my website was down and went to my "server" to find ...
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18.04 - Suspended system resumes with all applications closed (as if from fresh boot)

I've recently installed Ubuntu 18.04 on a Dell i7559 notebook. When the system is resumed from suspend, it fails to restore the state that the system was in prior to suspend. That is, there are no ...
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Add/change timezone on Ubuntu Minimal 18.04

I have an instance running Ubuntu Minimal 18.04 LTS on Google Cloud. I want to change the system timezone, but timedatectl list-timezones shows only UTC, so timedatectl set-timezone <timezone> ...
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Accidentally pasted java code in terminal, machine froze

I thought I had filename on clipboard when it actually was java code. I accidentally pasted java code in terminal and trying to figure out what might have happened and if there is any other damage ...
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133 views

Ubuntu 18.04 upgrade fails; error “package dependencies cannot be resolved”

I was trhing to upgrad my pc The basic PC info description: Notebook product: Latitude 7490 (081C) vendor: Dell Inc. *-cpu description: CPU product: Intel(R) Core(TM) ...
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Please login as the user “ubuntu” rather than the user “root”

I launched an Ubuntu 18 instance on EC2. I connected to the server using ubuntu user. I created a new user named newuser and added it to the sudo group. Then I ran: rsync --archive --chown=newuser:...
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Ubuntu-desktop removed after apt-get purge wine64

I tried to remove wine using command sudo apt-get purge wine64. But instead of removing wine , all my app software were removed. When I restart Ubuntu it starts only in CLI mode. That means all ...
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Can bad sectors cause ubuntu installer to freeze?

Shortly after selecting installation type (full/minimal) and clicking continue the installer freezes and doesn't proceed to next step. The HDD has 91 bad sectors could that be the reason? I also ...
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sudo apt-get upgrade fails processing linux-firmware package

layton@layton-Desktop:~$ sudo apt-get upgrade [sudo] password for layton: Reading package lists... Done Building dependency tree Reading state information... Done Calculating upgrade... Done ...
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Troubleshooting an Ubuntu kernel crash from an unknown disk issue

I'm running Ubuntu 18.04.2 LTS and it appears my Ubuntu kernel crashed with an error pointing to an EXT4-fs (sbd1): write access unavailable message on the terminal screen. In checking all my logs in /...
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Virtual Box 6.0.8 is not possible insert Guest Additions into Ubuntu Server 18.04

I am working with MacOS (Host) Virtual Box 6.0.8 Ubuntu Desktop 18.04 (Guest) Ubuntu Server 18.04 (Guest) Was possible install without any problem both OS (Desktop and Server), both can run in peace....
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Mouse not clicking Ubuntu 18.04

After a while, it happens that Ubuntu is not responding to mouse clicks any longer. (Whichever mouse I try to use.) But mouse movement still moves the cursor. When I Ctrl+Alt+F1 and log back in, it ...
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60 views

Automate a command line when I power on my computer? [duplicate]

With Ubuntu 18.04, I need the command line xrandr --output DP-1 --scale 0.5x0.5. How can I automate that command when I power on my computer? EDIT I created the /etc/rc.local file, and in that file ...
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What is /bin/red

I was trying to access redis-cli but because i'm that lazy i typed red and hit tab twice, but i noticed that there's a binary actually called red which is located under /bin/. When I did cat /bin/...
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Can I delete “WINRE_DRV” OEM Partition if I only want to install Ubuntu and Not dual Boot?

I want to replace Windows 10 and Install Ubuntu on Lenovo Ideapad 330. I want to make use of the Complete hard drive and want to delete "WINRE_DRV" partition . Can I do that without worrying about ...
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Boot hangs at /dev/sda6 clean XXXX/XXXC files, YYYY/YYYY blocks followed by a blinking cursor

enter image description hereI installed Ubuntu Desktop 18 on a VM environment on the cloud. I set up ssh and it works perfectly - I can ssh to the VM using putty. However, when I boot up the machine ...
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Why is Dell OptiPlex GX520 barely running Ubuntu 18.04?

I installed Ubuntu 18.04 from a USB using Rufus onto my old Dell from 2006 (CPU: Intel Pentium 4 RAM: 1 GB). I've booted it from the BIOS successfully and I've selected "Try Ubuntu", but once I'm on ...
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Configure PXE Boot to boot Ubuntu 18.04 Desktop system on ISCSI Target

I have an Ubuntu 18.04 Desktop Configuration on an ISCSI target which I have installed from VirtualBox. It is configured correctly with open-iscsi. Virtual Box can boot from it, but only because the ...
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How to install tar.gz files in Kubuntu?

So I have been trying to install an older version of Java for an application and I don't know how to install tar.gz files, so I googled it and tried the ./configure make sudo make install but it ...
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64 views

Wifi Connection Failed (Reason: 3=DEAUTH_LEAVING)

My Dell XPS 13 9360 was powered off for several months, battery completely died. I booted back up and couldn't connect to wifi anymore. No issues running Ubuntu for years. 18.04 currently on this ...
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58 views

How to install zlib1g-dev:armhf

I need to install e.g. zlib1g-dev for cross-development. $ sudo apt install zlib1g-dev:armhf Reading package lists... Done Building dependency tree Reading state information... Done Some ...
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Fix conditional error of 'Operating System Not Found'

My Ubuntu System(18.04 LTS) is just showing me like 'No Operating System Found' or 'Read Error' or Grub Error 'Unknown Error'. And also after I shutdown or switch on my system, some text is shown like ...
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“Couldn’t get size: 0x800000000000000e” has happened after boot menu for installing Ubuntu18.04 server on Intel Compute Stick

I have followed this guide for installing Ubuntu Server 18.04 LTS to Intel Compute Stick. However, the installer shows "Couldn't get size: 0x800000000000000e" and many messages, failed to start ...
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After 18.04 update not able to login

My laptop got auto update of 18.04.1 from 16.04. After the update, the login tab appears with user name (my name). I can't login because I have no password. I never used password to open my laptop ...
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502 Bad Gateway nginx HELP! Please

I keep getting 502 Bad Gateway nginx error on steam and some other websites. I am running ubuntu 18.04 LTS. Any help is really appreciated. I have tried restarting my router but this did nothing. An ...
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Trying to run QT 5 Designer on Ubuntu (Budgie) 18.04 with python 3

I have been able to run the QT 5 Designer app from the memnu untill recently. Trying to run from the terminal I get error as below It has to do with the libqscintillaplugin.so plugin. The file is ...
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97 views

Default desktop environment Ubuntu 18.04

sorry for the possibly stupid question. I am trying to figure out where to change the default desktop environment for a user (cant do it with the logout version (login out and login in with proper ...
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ubuntu18.04 boot failed because of not exit 0 in /etc/rc.local file

ubuntu18.04 boot failed because of not go exit 0 in /etc/rc.local file It just stay on the boot page, and can't in system. #!/bin/bash # do something just like echo log to file exit 0 I'am sure the /...
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25 views

Windows 10 stuck on loading screen after installing ubuntu 18.04 LTS

I recently installed ubuntu on my PC which was running windows 10. Now there is two OS, I get to choose on boot. Ubuntu works fine. But when I choose windows 10, it gets stuck on loading screen.
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Can't open tty3 booting as failsafeX in safe mode boot

I am trying to install my nvidia drivers in Ubuntu 18.04. I had the "running in low-graphics mode", followed these instructions: How to fix "The system is running in low-graphics mode" ...
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Blank screen on second run (after closing)

Running Ubuntu 18.04 in Windows 10 (WSL1). On a fresh boot, I can run bash without a problem, even in multiple windows/instances. Once I close out bash, then go to re-open, I get a blank screen/...
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PC is crashing every time I unlock it

I am running Ubuntu 18.04 on my laptop and every time I lock and unlock the PC it will crash after 15 sec No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 18.04.2 LTS ...
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udev doesn't load rule automatically after reboot

I have a rule that should apply to /dev/ipmi0 to change its group and mode. When I reboot, that node shows as root:root, but if I run "test" it successfully applies it: $ cat /etc/udev/rules.d/99-...
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Ubuntu 18.04 only boots in Recovery mode

It's an iMac, but it's been running ubuntu for maybe 5 years without serious issue. Not my computer, so I don't know how this problem started. With some web searching and guesses at where I should ...
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Wachtdog BUG: soft lockup -cpu#… stuck for 22s! [java:…]

I saw that there were a lot of posts about this issue but I didnt find one that could solve my problem. 1 of my server likes to randomly crash about once every 7-14 days. With this message: http://...
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How to install clang for YouCompleteMe?

OS: Ubuntu 18.04 There are already some posts about how to install clang in Ubuntu, however many of them are out of date, and my question is specific to installing clang as part of the insallation ...
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Dual Monitor setup on Ubuntu 18.04 via ThinkCentre M710q with Intel HD Graphics 630

I am trying to setup dual monitors 2 x Lenovo TIO monitors to my Lenovo ThinkCentre M710q (Intel HD Graphics 630) i7-7700t Tiny-in-One 24 AIO Computer. Both Lenovo TIO monitors have display ports and ...
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51 views

This application failed to start because it could not find or load the Qt platform plugin “wayland-egl”

Suddenly robo3t doesn't start, Error Message usama@usama:~$ robo3t-snap This application failed to start because it could not find or load the Qt platform plugin "wayland-egl" in "". Available ...
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EtherApe not working on Ubuntu 18.04

I tried executing etherape through the terminal and this was the output, how do I fix it (etherape:19453): libglade-WARNING **: 22:36:39.057: Could not load support for `gnome': libgnome.so: cannot ...
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No battery indicator on Ubuntu 18.04

I seem to have lost my battery indicator. Purging and reinstalling battery-indicator hasn't helped. I see suggestions of a UEFI update fixing this, but it seems highly unlikely that this can only be ...