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14 views

How to fix “error: cannot find symbol import io.vertx.core.json” Vertx

I followed these steps to install Vert.x on my machine. Intall OpenJDK : sudo apt-get install openjdk-8-jdk Test java installation: java -version which is giving me 3 outputs: openjdk version "1.8....
0
votes
0answers
22 views

Reverse ssh | SSH bridge to access Postgres behind NAT

If this is duplicate, please, advise the proper question. I have DataGrip IDE to connect to Postgres, but I can do this only inside a corporate network, cause Postgres host is behind NAT. DataGrip ...
1
vote
1answer
50 views

Can't install Nvidia drivers on Ubuntu 19.10 after Kernel update

Process: sudo ubuntu-drivers autoinstall That fails with Setting up nvidia-dkms-440 (440.59-0ubuntu0~0.19.10.1) ... update-initramfs: deferring update (trigger activated) INFO:Enable nvidia DEBUG:...
0
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0answers
17 views

no wifi adapter found error in ubuntu 18.04 having r8168 driver name

i have purchased new laptop hp 14q-cs0017tu. it has windows 10. then dual boot my laptop with ubuntu 18.04. in this i have created a separate home and swap partition but after installation of ubuntu. ...
0
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0answers
20 views

Bluetooth Keyboard Cannot Find

I have a computer with ubuntu 18.04 installed. I bought a Microsoft T9t-00018 Sculpt Keyboard, but there is no keyboard in bluetooth search. This keyboard doesn't support UBUNTU? Or can I do ...
0
votes
0answers
27 views

apt-get linux-modules-extra-4.15.0-72-generic problem

Hey I have a problem with installing/uninstalling packages, since a few days ago apt-get wants to remove the package linux-modules-extra-4.15.0-72-generic, but every time it tries it just freezes, the ...
0
votes
0answers
33 views

404 Not Found [IP: 91.189.95.83 80] error in ubuntu 19.04 [closed]

I am really getting disturb with "404 Not Found [IP: 91.189.95.83 80] " error when installing any update or software from terminal. Kindly help me on how to correct it. Thank you
0
votes
0answers
15 views

How can I fix Ubuntu not detecting my internal Bluetootth Interface Card?

I am new on AskUbuntu. I would like to ask if anybody has evere encountered and fixed my same problem. I have an ASUS N56JN and I am dualbooting Ubuntu with Windows10. Windows is correctly working ...
2
votes
1answer
69 views

How do I get a TP-Link TL-WN823N V3 wireless adapter working?

Sorry to bother you with this, but im not really an expert and it may be the most stupid thing ull see. I have ubuntu 19.04 (kernel: 5.0.0-13-generic ; gcc version: ubuntu 8.3.0) installed on an old ...
-2
votes
0answers
20 views

Start hadoop deamons via php [closed]

i have a Hadoop cluster and i want to start the cluster via PHP. when i run "start-dfs.sh" via terminal, it works fine. how to resolve this? i have tried this: ".$output."" ; ?>
0
votes
1answer
40 views

How do I install Ubuntu without erasing Windows 10

I made a bootable USB with Ubuntu and I want to try a bit of Linux. I have an SSD in my laptop which shows only one partition. Now, I want to be able to choose which OS to run when my machine boots up ...
0
votes
1answer
41 views

Install a new system but keep intact previous folders like Desktop, Documents, Downloads, Music etc

I have to install a new system rather often, and therefore I have to backup my files on a separate partition or an external drive. I am familiar with different ways of ensuring a safe backup but I ...
1
vote
0answers
34 views

Upgrade from 14.04.05 to 16.04.05

I wish to upgrade from 14.04.5 to 16.04.5 (not 16.04.6), what is the best to do this ensuring that I don't upgrade to version 16.04.6? thanks, Liam.
-1
votes
0answers
34 views

Browser empty boxes instead of text problem

First of all I was unable to play videos of Facebook in Firefox, so I uninstalled it and downloaded Chromium. Now I'm facing another problem. When I search something instead of all the text characters ...
0
votes
1answer
30 views

Unable to authenticate to SAMBA printer

I am on Ubuntu 19.10 (but, the same problem also on Pop! OS 19.10 and Ubuntu 18.04). I am trying to add a SAMBA printer that exists somewhere on the organisations' network. The printer itself is ...
4
votes
1answer
35 views

How to check spelling in Python code?

How can I check for spelling errors in Python code?... Check spelling in all strings delineated with double quotes (") or single quotes ('). Check spelling in all comment lines (lines that start with ...
1
vote
0answers
24 views

Getting the error “does not have a Release file.” [duplicate]

I keep getting the error: E: The repository 'http://apt.llvm.org/bionic bionic Release' does not have a Release file. when I try to install llvm. At the bottom of the source file (/etc/apt/...
0
votes
1answer
18 views

Permissions for new folders

So, I'm having a problem when dealing with creation of folders and files (ubuntu 18.04). Usually I will run sudo chown -R user:user folderName , so I have access to create anything inside this folder....
0
votes
0answers
11 views

I have upgraded from Xubuntu 16.04 to Xubuntu 18.04 and now my Bluetooth local services are gone

I use a presenter (old Sony Walkman mobile) to control slideshow and presentations. After the update the list in the blueman-applet of available "local services" is missing the HID profile among with ...
0
votes
0answers
29 views

Ubuntu 18.04.4 with Nvidia gtx 1650 super

I just bought a new gpu. Nvidia gtx 1650 super. Tried to run Ubuntu 18.04.4 that i already had installed. The pc freezes after i log in. Tried some stuff i found online but failed. I am using one ...
0
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0answers
9 views

Getting started with a dual boot

I have a Windows 10 hp laptop and am enrolled in a Dev class which requires Ubuntu. How easy is it to dual boot bearing in mind I have about 400gb of spare space left?
0
votes
1answer
31 views

Can't boot into windows after installing xubuntu i384 - Tried many things

So after a night full of tries, I finally decided to give up and ask here. I've installed xubuntu i384 on my PC which usually runs on win 10. After following carefully a guide I saw on the internet ...
2
votes
1answer
30 views

vlc : how to specify playlist on command line

The playlist is a plain text file of filenames I have tried : cvlc --playlist playlist cvlc -playlist playlist And each of those with playlist=playlist. I have renamed the playlist to playlist....
0
votes
0answers
13 views

I have upgraded from Ubuntu 16.04 to ubuntu 18.04 and now my screen resolution is all disturbed

I recently upgraded from Ubuntu 16.04 to 18.04 and now it is not detecting the screen's maximum resolution. It is showing 1024 x 768 by my actual screen resolution is 1920 x 1080. I tried a lot of ...
0
votes
0answers
47 views

Ubuntu stuck on blank boot up screen, neglected to make a back up. Can I back up files from live usb?

As the title suggests, I failed to make a back up for my ubuntu system. I have been using a bootable SSD for ubuntu over the last several months and I do most of my day to day on the SSD. The issue ...
-2
votes
0answers
31 views

Failed to fetch Chromium Security Update 10n_79.0.3945.130-0ubuntu0.18.04.1 [closed]

Just updated 10 other packages. This one appears to be missing. Is this the right place to report this problem? W: Failed to fetch http://security.ubuntu.com/ubuntu/pool/universe/c/chromium-browser/...
0
votes
0answers
20 views

How I remove variants ovelapping common genomic ranges?

I have a copy number file like > head(cn) Sample Chromosome Start End Num_Probes Segment_Mean 1: LP6008202-DNA_B03 1 136962 534547 11 1.311880 2: ...
0
votes
0answers
13 views

Windows Boot Manager fails after installing Ubuntu

I have a Windows machine, and attempted to install Ubuntu alongside it. I performed the following steps shrunk my Windows partition to free up 50GB created an Ubuntu image using Grub and the ...
0
votes
0answers
21 views

GCC warning: This configuration is not supported in the following subdirectories. What does it means?

After running configure of GCC 9.2.0, I get this warning: *** This configuration is not supported in the following subdirectories: gnattools gotools target-libada target-libhsail-rt target-...
0
votes
1answer
41 views

My root directory (/) is owned by my user. Shouldn't it be owned by root?

When I run ls -la /, it shows that . and .. are owned by my user, and are my user group. I am almost positive that / should be owned by root and that I must have accidentally chowned / but it's been ...
0
votes
0answers
17 views

How to fix Failed initializing wireless card mon0

Interface mon0: ioctl(SIOCGIFINDEX) failed: No such device Failed initializing wireless card(s): mon0
0
votes
0answers
9 views

ubuntu not recognising android devices

My ubuntu 16.04 used to recognise my android device. It used to recognise but not anymore. I tried ADB devices and it shows: List of devices attached 9cbc4e6 device I still cannot access the ...
0
votes
2answers
43 views

How to install Scribus [duplicate]

I want to install and use the scribus application. I am using Xubuntu 18.04 as primary OS on a Dell 3162 notebook computer.
1
vote
2answers
47 views

Ubuntu 19.10 disable grub menu

Only Ubuntu 19.10 is installed on my computer. I just don't need the grub menu. I tried all the options I found for /etc/default/grub . It seems as if all my settings are being redefined elsewhere. ...
4
votes
2answers
1k views

Two network cards, which provides internet?

I have mainly found questions on how to set up one network interface to have a certain IP address and the other on a different network, but I am interesting in what happens if I have two network cards ...
0
votes
0answers
12 views

Access to LXD from a snap

I am trying to build a snap which accesses the local LXD service. There is a snap interface for LXD, but trying to use this gives me connection errors. The (very brief) documentation of the interface ...
0
votes
1answer
42 views

mysql server won't install on ubuntu 18.04 due to dpkg errors

I want to install a mysql server. Eventually I want to run PHP scripts and I read that I need an sql server for that and mysql seems to be the recommended choice. I tried to run$ sudo apt install ...
1
vote
1answer
32 views

What is the correct way to restart nmcli interface remotely?

On Ubuntu 18.04, NetworkManager is used. After modifying the configuration of an interface remotely, using the NetworkManager CLI. Example: nmcli connection modify (interface_profile_name) ipv4....
1
vote
0answers
16 views

Software to seamlessly edit multiple images

Format of my moms old PC is overdue, W7 is slow and choppy and I'd love to show her how fast her laptop can be with lightweight ubuntu distro. But my mom is really used to Microsoft Office Picture ...
1
vote
0answers
29 views

Trying to write the output of mount in a file

I wrote a bash script to mount a certain network drive and now I would like the output to be written in the file log_mount. This script was for testing purposes but does not work. address="srv01" ...
1
vote
0answers
9 views

Ubuntu on Aspire 3 A314-31 won't boot after update

I have an Acer Aspire 3 A314-31 that was running perfect with ubuntu. After I made an update (I always let do all the updates without checkin what it is), my laptop won't boot ubuntu. It goes straight ...
1
vote
0answers
21 views

How to setup TPM in Dell Edge Gateway 3003 with Ubuntu Core 16?

Currently I am try to configure TPM in Dell Edge Gateway 3003 with Ubuntu Core 16. I have facing some problem gpg key Id generating time. I try to generate key ID for using this command: gpg --no-...
2
votes
0answers
19 views

Laptop keyboard stops working when external keyboard disconnected

I have an annoying problem every time I need to move with my laptop to another room. After disconnecting all external devices and few minutes work with laptop keyboard always facing problem with huge ...
0
votes
0answers
28 views

Malware lab without virtual machines (Lubuntu as server/gateway)

I would like to set up a malware lab without virtual machines. On one laptop I have Windows 10, on the other Lubuntu, which will be used as a gateway/server. On the latter, I want an ethernet ...
2
votes
0answers
10 views

ubuntu not query my local dns

I've a Windows Domain Controller, 192.168.1.1 with DNS service. I mapped mypc.mydomain.local to 192.168.1.2 and registered in DNS. If I want to reach mypc.mydomain.local from a client, for example ...
1
vote
1answer
29 views

Keyboard lag so bad in Ubuntu 18.04 KDE

I recently switched to KDE from Gnome in Ubuntu 18.04, and after 1 day, my keyboard lags so bad, it takes a while until the character I click appears on the screen and sometimes it repeats the ...
0
votes
1answer
24 views

Empty screen when logging in

Hi guys I have an issue with my operating system, after entering my password I get stuck in the following screen, unable to see anything, enter the terminal or use any command. Please help me fix ...
1
vote
1answer
54 views

Updated to Eoan today, stuck with weird dead keys

For various reasons, I decided quite some time ago that dead keys on my keyboard were more of a hassle than a boon, for my usage patterns. So I've been happily using the following settings on my ...
0
votes
1answer
28 views

Site unreachable + URL check: timeout

During installation of a software in the PC I got problems with grub system in Ubuntu 18.04.4 Desktop, which I resolved copying, from an installation iso image, the /bin/bash folder: Missing operating ...
0
votes
0answers
57 views

Ubuntu 18: A problem occurred when checking for the updates

When I run sudo apt-get install -f I get: Reading package lists... Done Building dependency tree Reading state information... Done 0 upgraded, 0 newly installed, 0 to remove and 9 not ...

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