Questions tagged [ubuntu-18.04]

The 28th major version of Ubuntu, codenamed Bionic Beaver. It was released on April 26, 2018.

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Bandwidth from Linux to Linux (8Gbps) greater than from Linux to Windows(600Mbps)

On the one hand I am using a Nvidia Jetson Nano together with an Auvidea Carrier Board JNX30B and a 10Gbps network card (ASUS XG-C100C). On the other hand I am using a desktop computer equipped with ...
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Internet Download Manager catching Ubuntu VM terminal downloads

I have Ubuntu VM 18.04 LTS installed on my Windows 10 via VirtualBox and Windows has Internet Download Manager installed. But whenever in ubuntu VM I execute sudo apt-get update , the ubuntu terminal ...
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Upgrading bsdutils to 2.36.1 on Ubuntu 18.04

On a machine of mine I'm running Ubuntu 18.04 (I could potentially upgrade to 20.04 if that's any help) and want to use the SIGUSR1 feature of the script command (flushing on demand). However, this ...
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Any way to see key codes on linux without sudo

I have a managed computer (Ubuntu 18) and my sudo is limited. I want to do some key mapping for my keyboard, but I can't figure out what the key code is for the specific button. The keyboard is a ...
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How to disable or enable touchpad by linux terminal on ubuntu or debian based OS?

Any idea of how to enable or disable touchpad using the linux terminal ? I'm using ubuntu 18.04 thanks in advance
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apt-offline Parsing Error E: Lzma_read Read Error (7) package lists or status file could not be parsed or opened

Context I have a old laptop running on Kubuntu 18.04 that I didn't use for a while and want to update using apt-offline. The Laptop cannot be connected to internet. apt-offline is already installed on ...
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How to restore (normalize) HDD spinoff timeout in LXLE?

After the last update on my system, the timeout setting for turning off the hard disk was broken. This problem manifests itself as a constant shutdown and spinning of the HDD motor at intervals of ...
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Not able to open ubuntu desktop through novnc on web browser

I followed the instructions here. After running this line of code $ sudo websockify -D --web=/usr/share/novnc/ --cert=/etc/ssl/novnc.pem 6080 localhost:5901 I went to the browser and typed out https:...
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Ubuntu 18.04 installer under VMware Fusion cannot find CD device

I am trying to use the VMware Fusion Tech Preview on a Mac with Apple Silicon to install Ubuntu 18.04 Server for ARM64 (ISO found here). Previously, I successfully installed Ubuntu 20.04 Server using ...
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Updated to Windows 11 insider release (2021-11) and now my WSL2 Ubuntu 18.04 isn't loading. What to do?

My computer just updated to the latest windows 11 insider release and now My WSL2 ubuntu 18.04 isn't loading. How do I go about debugging why it just hangs when I start it up? I even tried going to ...
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Cannot connect from external PC to Java application running in Docker container - Linux

I have a Java server application running in Docker Container. The container runs in a Linux server (Ubuntu 18.04 LTS), with a static IP address. Another Java application, running in a PC, has to ...
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Cannot disinstall PostgreSql by Script Bash - Linux - Must not open dialog confirmation

My goal is to uninstall PostgreSql (installed on a Linux host- Ubuntu 18.04 LTS) using a bash script file. I use the following command: apt remove --purge -y postgresql-12 && apt autoremove -y ...
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I have two versions of Ubuntu in WSL

I'm trying to install WSL2 for work, and I think it has gone well. However I seem to have two Ubuntu versions. I only need Ubuntu 20.04. Does it matter if the Ubuntu 18.04 is listed? I can also see ...
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Update WSL from 16.04 to 18.04

I tried to follow Can I upgrade my existing Ubuntu installation in WSL from 16.04 to 18.04? by sudo do-release-upgrade -d (I managed to update from ubuntu 14 to 16 by the above command) I got ...
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IP forwarding between 2 NICs on the same computer with two static IPs

I'm trying to connect between 3 devices named macOS "M1", Ubuntu 18.04 "Nano" and "Xavier" where the Nano acting as a gateway between the M1 and Xavier. ...
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Ubuntu 18.04 VMs on Virtualbox on MacOS Big Sur can't ping each other

I have several Ubuntu 18.04 VMs launched on Virtualbox 6.1.26 on MacOS Big Sur (x86). Each VM pinged perfectly fine from the host machine but the VMs barely can ping each other. The weird thing is ...
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Docker: unknown container and image - system breach?

Docker: unknown container and image - system breach? I recently discovered a docker container that I don't remember creating. Can it be that someone hacked my computer using docker? $> docker ...
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Win10 sharing internet with Ubuntu via ethernet - does not work

I have a machine with WIN10 sharing the internet connection from the WiFi to an Ethernet port. I am trying to connect an ubuntu machine on this ethernet statically and I was able to do that without ...
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Run qemuarm inside docker container

I am trying to run qemuarm inside docker container and trying to ping 8.8.8.8 but it got stuck at root@qemuarm:~# ping 8.8.8.8 PING 8.8.8.8 (8.8.8.8): 56 data bytes I added nameserver 8.8.8.8 and ...
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Udev rule (Ubuntu 18)

I have a device that is required to bind to /dev/ttyACM0 specifically, so I created a udev rule to ensure that happens. Unfortunately I am seeing a condition in which the device disconnects and ...
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How to make Jupyter Notebook look in the right place for a module?

Using a Jupyter Notebook running with the python2 kernel, I tried to import emcee and I got an error message: File "/home/me/.local/lib/python2.7/site-packages/emcee/ensemble.py", line 84 ...
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When you interact with bash (via graphical terminal) what file does bash read from in order to obtain user input?

This was a homework question and I've tried several Google searches but to no avail. Can someone help me understand the following answer ? Would someone be kind enough to direct me to an online ...
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Not able to allow nginx to run on different port 3000 without opening the 3000 port in security group for everyone in EC2

I am trying to run nginx for multiple server such that it listen port 80 and then revert traffic to 3000 for webserver1 and 3001 for webserver2. I am able to achieve this process but issue is I need ...
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Booting delay when auto-mounting Google Drive

I wanted to access my Google Drive via my terminal. To do this I installed Google Drive Ocamlfuse which seems to work fine. At first I had to manually mount my Google Drive every time my computer ...
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Best way to set up dual boot with fresh Windows and cloned Ubuntu?

My old system has a Windows 10 + Ubuntu 18.04 dual boot installation, but on separate drives. My plan is to install Windows fresh on the new system and clone Ubuntu onto the same drive (I use Ubuntu ...
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How to change the IP address when printing the kubectl get --print-join-command

I don't know if this question has been asked before, but I am trying to create a K8s cluster using a Raspberry Pi 4 and 2 machines using Ubuntu-18.04. The machines can only be connected to a specific ...
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Secure a folder in a cluster

I have a folder in a cluster that I want to secure by allowing access to me only (read, write and execute). I am new in using clusters, what are the command lines I can use? I have used umask u=rwx,g=,...
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Using multiple usb ethernet devices get same mac address

I have been stuck on this issue for past one day. I have gone through the following possible solutions: https://stackoverflow.com/questions/13648182/differentiate-multiple-usb-devices-having-same-...
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How to start windowing system(in other words UI) of Ubuntu on WSL windows

I used to start the WSL Ubuntu UI(windowing system) from windows 10 machine. On the same machine it suddenly stopped working. What could be the reason and how to fix it? I am still able to get ...
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Identify mechanism thats disconnecting monitor

I have a Dell Optiplex 7070 running Ubuntu 18.04.5 LTS, with 2 monitors connected via DisplayPort. Under normal operation (RDC, Firefox, Video Streaming), both monitors remain connected and the CPU ...
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SSH 'Authenticity of host' warning after numerous previous connections

I have a DigitalOcean droplet running Ubuntu 18.04 and I've connected to it via SSH from my current machine numerous times. I just tried to connect and was given this error: The authenticity of host '...
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How can I give a user remote access to their home directory via putty without adding them to the sudo group

I created a user on an Ubuntu 18.04 server with the aim of giving the user password authentication access. They are a member of the users group. I added the user's name after my name to this line in /...
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unexpected EOF while looking for matching `"' ubuntu 20.04

Can someone help me ??? i don't know where is the problem ?? ./menu.sh: line 268: unexpected EOF while looking for matching `"' ./menu.sh: line 271: syntax error: unexpected end of file ...
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VPC private server can't access web via gateway server

I am trying to set up a gateway server for a private server using DigitalOcean's VPC service (I’ll refer to the two servers as GW (gateway) and BE (backend) for brevity’s sake). I followed this ...
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Why empty drive size differs from available space

I've just formatted a 500G disk and mounted it to /data folder. ~ :) df -h Filesystem Size Used Avail Use% Mounted on udev 3.9G 0 3.9G 0% /dev tmpfs 795M 748K 795M ...
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How can "PermitRootLogin no" add security

The topic is already discussed here, but I don't fully understand the answers I am trying to meet some good practice security criteria while setting up a VPS. I am using Ubuntu18 on AWS EC2 which I ...
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How to prevent interrupted mv moving data

On Ubuntu 18.04 I am running a small PHP web application which moves directories one by one with nested dirs and files from one filesystem to another via exec(mv filepath) method. Now I have the ...
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How can I change the line height in the Xfce4 interface?

I have been looking for ways to change(reduce) the line height or padding top/bottom on all lines in the X interface. Xubuntu 18.04 LTS After many searches, I have found that I have to edit the ~/....
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open in remote terminal showing wrong user

My VM: Ubuntu 20.04 VPN VM: Ubuntu 18.04 I'm accessing a vm via a vpn using another vm, i got in successfully and now i'm using the built-in Ubuntu file explorer to access the vpn vmfiles using sftp, ...
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Mistake - sudo chown -Rh not-root-user /

Well that. Made a terrible mistake on ubuntu server 18.04 (production server) and ran chown -Rh some-not-root-user / Now sudo is not working. Is there any way to reverse this?
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Packets loss inside LAN for Windows 10 with Ubuntu sub-system

I am trying to reach win10 machine inside my LAN. It is accessible from other machines just fine. But I am having troubles with one specific machine. It has also OS Windows 10 with Ubuntu 18 subsystem....
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Ubuntu 18 not launching in WSL2 [duplicate]

I am just starting with WSL2, installed everything as per: https://docs.microsoft.com/en-us/windows/wsl/install-win10 Ran the Ubuntu 18.04 in my windows, everything looked good. I tried to access the ...
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Is it possible to modify a "human" user so that it becomes a system user on Ubuntu?

I followed a guide to set up etherpad-lite on my ubuntu server (https://www.rosehosting.com/blog/how-to-install-etherpad-on-ubuntu-18-04/). At one point, I had to create a new user with sudo adduser --...
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Can't see any files inside /mnt/d in linux ubuntu 18.04 LTS terminal in my Windows using WSL 2

I was new on WSL, I know how to change directory from C: to D: in Linux Ubuntu 18.04, when I change the directory from C: to D: (which is in /mnt/d) I can't see any of files that already exist in D: ...
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2 votes
1 answer
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Open an Access database in LibreOffice Base

I try to open a access database in LibreOffice Base First, I installed LibreOffice sudo apt-get install libreoffice Then I downloaded UCanAccess (http://ucanaccess.sourceforge.net/site.html) and ...
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Systemd: how to start service after another service started

I have these two services, one is Google start up script service and second one is redis service, I want to start redis service once the startup script service is started and done, I have these ...
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Docker swarm on multiple physical machines

I am deploying Hyperledger Fabric in a distributed environment using instructions from here. To achieve distributed setting Docker Swarm is required. One of my node is on the remote (which is my ...
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KDE Panel not fully visible on second screen

Using Ubuntu 18.04 with KDE installed, I tried to duplicate my taskbar panel. In theory it works, but the lower half is cut off and I can't see why that might be. Clicking in the free area beneat the ...
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Kubuntu 18.04 freezes on login

I am using Kubuntu 18.04 LTS on Dell hardware. I use the KDE Plasma desktop environment locally, and frequently run XFCE4 remotely with X2Go. Recently (and suddenly), I can no longer login locally to ...
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Synergy can't connect with new router

I have been using Synergy (from Symless) for 1.5 years now. I moved to a new place (so new router; a ZTE ZXHN F618 - ZTE PON ONT) and I cant make it work. I read that this router's WLAN and LAN is on ...
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