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Questions tagged [ubuntu]

Free, open-source operating system based on Debian GNU/Linux. Ubuntu questions are on topic here, but if you prefer an Ubuntu-only audience there is Ask Ubuntu (http://askubuntu.com/).

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Thunderbird Ubuntu can't open profile folder or access USB

I installed Thunderbid as a snap today (Ubuntu budgie 18.04 LTS). I followed the instructions here to move my profile. This doesn't work. I copied the folder, but nothing is recognized in Thunderbird. ...
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1answer
15 views

Trouble renaming a database in Ubuntu 18

When i am writing "alter database first_data modify name = first" then it is giving the syntax error as - "ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds ...
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1answer
12 views

Unable to correct problems, you have held broken packages MYSQL

i try to install: sudo apt install mysql-server but have like error like this: Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be ...
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3 views

Access back-end console for Flask app deployed using Nginx and WSGI

I'm new to this domain so hopefully my question is not too elementary. I built an app.py file that used pre-trained serialized machine learning models (pickle format) and gave prediction results when ...
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1answer
14 views

Ubuntu 19.04 Live USB Not Persistant

Ok, So I have been trying to create a persistent Ubuntu Live USB, I was successfully able to create a Bootable drive, but the problem is that it's not persistant, I have tried a lot of Tutorials ...
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5 views

how to set unlimited stack size on HPC & what is exactly meant by choosing memory on HPC/PBS?

I have a C code with lot's of static variable defined into it. Because of limited stack size it says segmentation fault while I run it with gcc compiler. On PC I executed ulimit -s unlimited and it ...
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0answers
3 views

Is there a way for Jenkins to just save the files from a git repo to a local folder?

I have a git repository with php files and Jenkins running in Ubuntu 18.04 with an Apache web server running on that. All I want is for Jenkins to periodically take the php files from my repo and save ...
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14 views

Task refusing to freeze

When running systemctl suspend -i my PC freezes on a black screen and I have to reboot using the power button. I looked into /var/log/systlog but I don't understand any of it. It also only happened ...
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13 views

If I'm trying to SSH into one computer from another, through a server, why won't it connect directly?

I'm trying to get my head around SSH on a slightly lower level. I was going on vacation, so I wanted to be able to SSH into my home computer from my laptop, but I couldn't for whatever reason through ...
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2answers
21 views

Started Ubuntu 19.04 and this came up: “[OK] Started disk manager” [on hold]

I just started Ubuntu 19.04 from grub and some screen saying “OK” and then description of some action came up. Is it update or something? Should I turn off my laptop? It was something like: [OK] ...
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9 views

Dell Inspiron 5523 does not boot ubuntu

i have a problem installing Ubuntu 18.04.2 alongside with windows 10 after boot and choice try ubuntu or install ubuntu gives me a blank screen. i try many solutions change IDE ATA/ATAPI Controllers ...
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9 views

can't access apache2 on docker from my localhost (ubuntu os)

I am trying to access apache installed on docker from local host but can't access. below is dockerfile contents RUN apt-get update RUN apt-get -y install apache2 WORKDIR /var/www/html/ RUN rm -f ...
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9 views

Is there any file managers that have multi-pannels in Ubuntu? [on hold]

I want to have a file manager that can have multi-pannels in one tab. I have tried dolphin, but it can only provide 2 pannels in one tab. I also found 4Pane. But its outlook is like this ... So, ...
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0answers
8 views

Error trying to setup/start SQL Server 2019 on Ubuntu

I'm trying to setup MSSQL server 2019 on my ubuntu server and i'm running into some really cryptic errors. Whenever I run the setup command: "sudo /opt/mssql/bin/mssql-conf setup" I get the following ...
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0answers
12 views

ubuntu Vs. www-data File permission

I always having problem in setting file permission and group ownership. Some time I will manage to edit files through SFTP some times not And same from web server. So let me clear what I do usually ...
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0answers
6 views

Ubuntu 18.04 building Android 5.0 issue with java

I have installed Java 7 as required for building Android 5 tools but it doesn't seem to be able to build. You are attempting to build with the incorrect version of java. Your version is: openjdk ...
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0answers
9 views

HDMI port not working/detecting on System76 Ubuntu 18.04

I've plugged into multiple monitors with multiple cables and am not seeing anything detected at my HDMI port. xrandr output: Screen 0: minimum 320 x 200, current 3200 x 1800, maximum 8192 x 8192 ...
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1answer
38 views

Cannot seem to use “Page Up” when running Ubuntu within VirtualBox on a MacBook Pro

I have MacBook Pro and I'm running Ubuntu server inside VirtualBox and don't seem to have page up functionality. How can I scroll up and see missed lines in the terminal when running running Ubuntu ...
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1answer
15 views

PHP 7.0 package not foung in ppa:ondrej/php

I'm having some trouble installing PHP 7.2 on my Ubuntu box. The Ubuntu disribution i use is Ubuntu 14.04.6 LTS / trusty which I installed using Vagrant. As written on nearly every website, I've ...
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0answers
13 views

How to setup a 802.11ac hotspot with NetworkManager

Running Ubuntu 18.04 LTS with Intel Dual Band Wireless-AC 8265. I've been trying to setup a 5Ghz ac hotspot to tether my wired connection, but I can't get the hotspot to use 802.11ac. I've set the ...
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0answers
13 views

docker: Error response from daemon: Address already in use

Not sure if I'm just a dump docker noob or if I'm missing something. While deploying btcpayserver via docker image the setup script should generate the docker compose file but in turn it does not do ...
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1answer
16 views

Force SQL Server 2019/Ubunti to use ipv4 instead of ipv6

We are testing usability of Microsoft's SQL Server on Linux servers for our internal products, and we ran into a bump during config. We are trying to setup and configure SQLServer 2019 (preview) and ...
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0answers
27 views

fuseki-Broken pipe (Write failed)

I get this error on the log while trying to insert data to Fuseki db. ------------------------------------------------------------------------ 10:56:44.573 INFO o.a.h.i.c.SystemDefaultHttpClient - I/...
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1answer
18 views

Effects of changing username (Ubuntu)

I would like to change my username on my Kubuntu install and I would just like to know if it will have any negative impact on the system for example programs that will no longer function because of ...
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0answers
26 views

WSL drvfs mount issues — user mapping not recognised?

I'm having a couple of issues with mounting drives in WSL (Win10 Linux Subsystem) -- see separate question about a mount error on a different drive. I have a network share mounted on drive W: locally ...
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0answers
24 views

WSL drvfs mount issues — “cannot mount: read-only”

I'm having a couple of issues with mounting drives in WSL (Win10 Linux Subsystem). I have a network share mounted on drive M: locally - and I have read/write access in Windows. When I try and mount ...
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1answer
21 views

Formatting drives to NTFS ubuntu

I have been having some trouble with formatting drives to NTFS on Kubuntu Terminal. For some reason it takes a lot of CPU power and time to do this operation. I am currently doing it on an external ...
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0answers
12 views

How can I speed up laptop internal webcam capture in Ubuntu 18.04 vs Windows 10?

I am writing C++/opencv code for some image processing routines, and am using my Dell Precision 7730's own webcamera to get test video input. Video card is Quadro P5200. I started in Windows 10 ...
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0answers
5 views

pdb is running when no call to pdb.set_

I am using Geany as my editor, and debugging a program which calls a library. I have removed all references to pdb.set_trace() in both the program and the library, and pdb starts on a line where pdb....
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0answers
18 views

Trying to configure a dual boot with windows and linux (have tried many distros) but it keeps crashing and failing

I've had a dual boot before on this computer. It was a little bit weird since my BIOS only has UEFI or Legacy and not both for booting, so I had to switch between Legacy and UEFI depending on if I ...
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0answers
37 views

T480s Dolby speakers not best quality

I have a question about the speaker quality of the Lenovo T480. When I bought the laptop, it was advertised that the speakers are "Dolby Premium sound", but they are weak (not bad, but just not loud ...
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2answers
37 views

What is the path to notepad++ on ubuntu?

I am trying to set file associations in filezilla on ubuntu. Seems to be a simple solution on windows but I can't quite figure it out on ubuntu. Thanks in advance :)
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0answers
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USB seen as Ubuntu on chromebook

I recently used Balena Etcher to copy Ubuntu 18.04 LTS onto a USB to use on a laptop. After the gag was done, however, I wiped the USB through Windows Drive Manager through the Windows command line ...
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0answers
23 views

Wifi disconnects after connecting a bluetooth device on Ubuntu 18.04 LTS

I am using windows 8.1 along with Ubuntu 18.04 LTS on a Lenovo G50-70. Whenever I connect my JBL Bluetooth (v4.2) earphone, my laptop's wifi disconnects after a few minutes. Please, someone, help me ...
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0answers
10 views

vsftpd user cannot put file on ubuntu EC2

I want to put files in vsftpd server directory. I used this tutorial https://blog.e-zest.com/setting-up-sftp-server-on-amazon-ec2 but I cannot put files. I get the following error: sftp> put sftp-...
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0answers
22 views

Can Ubuntu 18.04/16.04 run on an Acer Predator Triton 500? Anyone tried it? [on hold]

I am thinking about purchasing the Acer Predator Triton 500 notebook, with RTX 2060 GPU and a 512GB SSD. However, I want to use Ubuntu 18.04 or 16.04 as my OS and create dual boot with Windows. Has ...
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0answers
14 views

Droidcam not working

I have successfully installed droidcam, and now after a reboot when I try to launch the application with the command droidcam I get error: Error: Device not found (/dev/video[0-9]). Did you ...
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0answers
25 views

How to run a Custom Ubuntu Docker image?

I want to keep an Ubuntu image with Python. I pulled the latest Ubuntu image and after that I created following files Dockerfile FROM ubuntu:latest RUN apt update -y RUN apt install software-...
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0answers
36 views

I've deleted one of the win10 drives and got error: no such partition

I have two win10 and a Ubuntu OS in my computer. I decided to delete on of theme so i formatted one of the drives who contains one of my windows then i deleted it and merged the with the remaining ...
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0answers
12 views

how can i connect as much as user on odoo via internet? And not in LAN [on hold]

I installed ODOO (Ex OpenERP) on my Ubuntu server, on this machine it works very well but I want to integrate it in the internet so that I can use remotely as user, exemple : http://myOdoo.com thank ...
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0answers
30 views

how to disable ubuntu desktop autostart and leave default terminal?

is it possible to do the terminal interface in ubuntu by default? and how do i disable/enable ubuntu desktop in terminal, because i want to leave the server in command line and i'll use desktop ubuntu ...
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0answers
12 views

Backing up the VLC Media Library

I am using VLC on Ubuntu 18.04 LTS. I wanted to save the media library to a file and import it to other players I use. This is the only relevant result I found. I searched my entire file system with ...
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1answer
353 views

Stuck on GRUB Bootloader

I recently had a dual boot setup on my laptop with Windows 10 and Ubuntu 19.04. I started having issues with Ubuntu, and as was suggested to me, I decided to delete Ubuntu and then reinstall it. In ...
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0answers
7 views

kdeinit5 crashes twice on boot, but my laptop boots fine and everything appears to work

When I turn on my linux laptop, I am informed that kdeinit5 has crashed. This appears to have no impact, I can use Firefox normally and the kde plasma widgets and toolbar appear as they usually do. I'...
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1answer
45 views

Trouble mounting USB devices to Windows 10 VirtualBox VM

I am experiencing issues connecting USB devices to my Windows 10 VM on VirtualBox.  My host is a Dell Inspiron 15 laptop running a fully up-to-date Kubuntu 19.0 (Disco Dingo). I have also installed ...
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0answers
20 views

Server crash on Ubuntu 18.04.2 LTS

I am quite new to linux and hosted a root server at hetzner.com, the problem is it sometimes just randomly shuts down and doesn't boot anymore, I then have to go to hetzners panel and simulate the ...
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0answers
8 views

New server registration error in pgadmin3

I could successfully install pgadmin3 and also postgresql 11 and postgis in ubuntu 18.04. But i am not able to create a new server for creating a new database in pgadmin3. The installation is done as ...
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0answers
21 views

Is it secure to pass sudo password with SSL(https)? [on hold]

I'm developing a python web server running on ubuntu, that needs to run commands or files (that is not verified) with sudo. I've thought for solutions: Running a web server with sudo permission: ...
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0answers
16 views

How do I swap Alt and Windows keys on Ubuntu 18.10?

I have seen similar questions here relating to older vesions of Ubuntu (16, 17) but they don't seem to work on Ubuntu 18.10. I've posted similar question on Ask Ubuntu but they didn't receive much ...
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0answers
11 views

How to use ubuntu to force all clients to use a specific dns

Context: In order to fix my huawei phone I need to use a trick that requires you to change the dns server that your router uses. Unfortunately my ISP disabled the ability to do so for the router they ...