All Questions

0
votes
0answers
7 views

Increasing the size of the mouse pointer in xterm

My mouse pointer switches from a big red arrow to a tiny double arrow as soon as I hover over an xterm window (when the mouse is over the title bar, all is good). I've tried the myriad options on ...
0
votes
0answers
11 views

Problem trying to reinstall samba (from source) on Ubuntu Server 18.04

I installed Samba 4.10.2 on a Ubuntu Server 18.04 a few weeks back with the purpose of using the server for Time Machine backups and as a Samba server. I have been having to restart the smb service ...
0
votes
1answer
14 views

“failure reading sector 0x728b6c0 from hd1” after dual boot

I have installed Ubuntu at the second SSD drive in my laptop, but when the Grub shows up and I choose Ubuntu - the following error appears: "error: failure reading sector 0x728b6c0 from hd1. You need ...
0
votes
0answers
12 views

How to combine or automatically compiler different programe such as python3 , R( 3.5.6 ) and sageMath 8.3

I have three file written on different program such as file1.py file2.sage file3.r I will give input then I want to work the following steps automaticaly file1.py read and after progress it will ...
1
vote
0answers
14 views

No network connection during Ubuntu 18.04 install

I am trying to install Ubuntu 18.04 on an old HP DL360-G5 server. The server is equipped with two Broadcom NetXtreme BCM5708 ethernet controllers. I have one of the ethernet ports on my machine ...
1
vote
1answer
28 views

Do I need to change any settings or turn things on or off before installing Ubuntu 18.04.02?

I have been testing 18.04.2 for several days via live session. It seems that all things work ok. Programs run, devices work, music, videos, DVDs, and music plays (after installing codecs etc.). So it ...
-1
votes
0answers
24 views

How to send/receive command via Bluetooth using Raspberry Pi 3 B+?

I want to connect my raspberry pi 3 b+ to a smartphone via bluetooth connection. By this connection, I want to receive command from the smartphone to start running codes on my raspberry pi. Can you ...
0
votes
1answer
14 views

disabling require_secure_transport mysql

How do i disable the mysql variable require_secure_transport permanently? I have to access mysql with node.js, and it is giving me the following error: code: 'ER_SECURE_TRANSPORT_REQUIRED', ...
0
votes
0answers
12 views

Bluetooth device listing outdated, Kubuntu 14.04

The list of devices in System Settings/Bluetooth/Devices is outdated; it shows devices I no longer have and fails to show all the devices I do have. How can I bring it up to date?
0
votes
0answers
20 views

Ubuntu Apps for Centos7 [on hold]

is it possible to make debian applications work in Centos7? How can I convert a deb package in rpm pakage so To install it in Centos7?
0
votes
0answers
6 views

Touchpad driver Ubuntu 18:04 automatically stops working and only works after restart

I have strange problem over asus laptop. My touchpad driver freezes occasionaly, and when I tried to find using xinput --list it did not appear over there. Then I have to restart my system to make it ...
0
votes
0answers
10 views

How to fix inability to download packages while at root shell prompt

I am in recovery mode trying to change my desktop environment. I have tried to install some packages during the process. It tells me what packages will be installed and how much space it will take, ...
0
votes
0answers
17 views

Send email to gmail using postfix

I am trying to send an email to my gmail using postfix. I am using bash on ubuntu on windows 10. I have tried the website tutorials and was unsuccessful.
0
votes
0answers
24 views

Why do i have a lot of memory usage

My Ubuntu 18.04 server has 32 GB of ram, i see a lot of memory usage because of java, i deployed two application on ports 8080 and 9095, 9095 has socket, i tried to make a load test on sockets and ...
0
votes
0answers
10 views

package Apache2 not avaliable error

plaese assist unable to install Package apache2 is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from ...
0
votes
1answer
60 views

Youtube displays white bar at top and hides player controls while in fullscreen

When I enter the fullscreen mode of youtube under firefox or chrome, the youtube player is aligned wrong. It shows a white bar at the top and hides the control buttons of the player while only showing ...
0
votes
0answers
8 views

Black Screen boot and No Grub menu issue

So my Grub Menu was not working, it was just loading Ubuntu and not ever showing up (I have a dual boot with windows 10). So I did a software update that Ubuntu kept asking me to do and when I did I ...
1
vote
0answers
32 views

How do I open a file using Atom on WSL?

I am trying to open a file using Atom from bash on Windows. So what I did was I added an alias in my .bash_profile like this: alias atom="/mnt/c/Users/Mido/AppData/Local/atom/atom.exe" So let's say ...
0
votes
0answers
20 views

Install Ubuntu Server where WiFi/Network authentication is required

I need to install Ubuntu Server (19.04) for a development on a network which is requiring authentication. As Ubuntu Server installation disk doesn't come with Lynx, I cannot download anything, and ...
1
vote
0answers
7 views

Poping Loud noise when shutting down Ubuntu 16.04

I installed Windows 10 and Ubuntu 16.04 on my Lg Gram laptop. Both systems seems to work. However, every now and then when I tried to shut down Ubuntu, the laptop can make an extremely loud beeping ...
-1
votes
0answers
13 views

Installing USB-to-HDMI drivers using ndiswrapper

I'm attempting to install the Windows drivers for my USB 3.0 Mini Dock (https://en.j5create.com/products/jud380) using ndiswrapper. I was able to get all of ports on the mini dock working (except for ...
0
votes
0answers
6 views

XMonad gnome session with background

I'm running XMonad in a Gnome session in Ubuntu 19.04 and want to set and configure the background image aka. wallpaper of the desktop. Currently I use xloadimage to load a background image however I ...
0
votes
0answers
11 views

How do I fix U-18.04 booting problem?

PC is a Dell Vostro 3750 8Gb, dual boot W10 and Ubuntu 18.04.2 Now won't complete booting Ubuntu. I have booted from USB and replaced the grub bootloader. Booting Ubuntu from the HD hangs and never ...
0
votes
1answer
11 views

nginx dont start after clean install

I have just bought a new droplet from digitalocean, and i installed nginx with sudo apt install nginx tried to see if it ran, and it gave me following error: root@school:~# systemctl status nginx....
0
votes
1answer
22 views

What is the option “host-name” for in /etc/dhcp/dhcpd.conf?

I setup my ubuntu as DHCP server and specified some fixed IP addresses for certain devices using the syntax: host client1 { hardware ethernet b8:27:eb:ce:02:83; fixed-address 192.168.1.1; ...
0
votes
0answers
8 views

Ubuntu 19.04, wireless mouse scroll wheel not functioning properly

I have wireless mouse - Logitech M560 After upgrade to Ubuntu 19.04 scroll wheel stopped functioning properly. It's very slow, if I turn off and on mouse, it starts functioning normally, but after ...
1
vote
0answers
30 views

Error in make install arch/x86/Makefile:245: *** You are building kernel with non-retpoline compiler, please update your compiler.. Stop

I've been trying to follow the steps given on this site http://ubuntuhandbook.org/index.php/2018/08/no-wifi-adapter-found-hp-laptops-ubuntu-18-04/ to install an WiFi adapter device driver on my HP ...
0
votes
0answers
9 views

Ubuntu 18.04: Why is Java CPU usage so high?

Ubuntu version: Ubuntu 18.04.2 LTS Java version: openjdk version "1.8.0_212" Intellij version: 2019.1.2 Community Edition Whenever I open Intellij, with no background processes running, I can see ...
0
votes
0answers
23 views

Constant reboot, can't install any OS

Ubuntu x86 used to work but now constantly reboots whether Windows 10 or Ubuntu. It starts, but then goes back to the main startup page. Changing options does nothing. I've tried reinstalling and even ...
1
vote
0answers
11 views

ubuntu 18.04 - Once youtube starts it hijacks the mouse and keyboard

I have a peculiar behaviour on my Ubuntu 18.04. Once a browser (Firefox, Chrome or Opera) starts playing a youtube video, I cannot type anywhere, even in the youtube search input. I cannot type in ...
0
votes
0answers
7 views

Trying to install on a Mac A1347

Trying to install and it locks up during the process... I get to the boot select screen, select the flash drive, select install ubuntu, and it begins the install. Eventually, it stops on the Ubuntu ...
0
votes
0answers
16 views

Blackscreen after grubscreen right after upgrading ubuntu 18.04

I have a problem with my installation of Ubuntu. I installed it fresh with a live USB stick to another USB stick with fast boot and secure boot disabled. I'm using an Asus Zenbook UX562F with an ...
0
votes
0answers
9 views

Vuescan + Ubuntu 19.04

Ever since the latest version of Ubuntu came out (19.04) Vuescan will not run, it worked fine with any previous version. I have contacted Vuescan and they are astonished as well. Simple Scan is a bit ...
0
votes
0answers
14 views

Android Emulator Warnings (QStandardPaths, GLES1, FramebufferData)

When I start my App in the Android Studio Emulator (just plays a sound downloaded from the internet) I get following response in the Event log: 20:10 Emulator: Warning: QStandardPaths: ...
0
votes
1answer
22 views

Dual boot with two separate Ubuntu installation on two separate hard drives on the same physical machine

I have one physical machine and two hard drives. In the beginning, I've installed an Ubuntu 16.04 LTS on each of them (without having the other hard drive attached). Everything works fine as long as I'...
0
votes
0answers
13 views

Distribution upgrade from 18.10 to 19.04 can't display fonts

Distribution upgrade from 18.10 to 19.04 can't display fonts No other programs is affected. But runnning Gedit from Terminal gives "Pango-WARNING failed to create cairo scaled font, expect ugly ...
0
votes
0answers
19 views

NVidia driver not working Ubuntu18.04

Laptop - Lenovo thinkpad P52 uname -a Linux ivan-ThinkPad-P52 5.1.3-050103-generic #201905161442 SMP Thu May 16 18:44:30 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux sudo lshw -c video *-display ...
0
votes
0answers
17 views

Cannot allocate resource region 7 of bridge 0000:00:1c.0

When I boot up Ubuntu I get this message that flashes across the screen: Cannot allocate resource region 7 of bridge 0000:00:1c.0 It's running on an IBM PC Thinkcenter M55 Does anyone know what is ...
0
votes
1answer
16 views

Add network printer to Ubuntu Server via command line terminal

I'm building an application that will need to print from the server. I have lots of printers on the network. All Ubuntu and Windows desktops can see them when browsing network printers. I want to ...
0
votes
0answers
29 views

Proton VPN for Ubuntu 18.04

I am trying to download Proton VPN for Ubuntu 18.04 and I am getting the error below. N: Ignoring file 'mongob-org-4.0.list.save.1' in directory '/etc/apt/sources.list.d/' as it has an invalid ...
0
votes
0answers
12 views

Invisible mouse pointer in Java application window [migrated]

I have played Java based ("salem the game") game on windows 7 width Java 8 runtime enviroment and It works properly.I come home and here I have Debian 9.4.0 (Stretch) Java version: openjdk ...
0
votes
1answer
26 views

How to know what snapd is downloading and when will it finish?

The snapd is downloading some update by itself (obviously it's very bad, but whatever). Journalctl just shows that snapd has started. How to know when how much has left to download?
0
votes
0answers
10 views

How to increase the size of mtd?

I am trying to mount a jffs2 file to /mnt/mtdblock0 but I keep getting errors because mtd is too small. The commands I run to mount it are: modprobe mtdblock modprobe mtdram total_size=49152 ...
0
votes
1answer
50 views

How to connect to the VPN automatically on Ubuntu 19.04

If I use nm-connection-editor and check "Automatically connect to VPN" then WiFi doesn't start. If I uncheck it, WiFi starts but then I have to start VPN manually. In terminal I can see this warnings ...
0
votes
0answers
9 views

Package Dependency Broken after Interrupting Upgrading to 18.04

I interrupted my upgrading from 16.04 to 18.04 by accident when doing sudo apt dist-upgrade and now I cannot use apt anymore. When I do sudo apt install -f it shows: Reading package lists... ...
0
votes
0answers
16 views

Gnome-keyring: “Automatically unlock this key whenever I'm logged in”

I don't seem to have the option to "automatically unlock this key whenever I'm logged in" when trying to SSH into another computer. This is a screenshot of my prompt: This is an example I found on ...
1
vote
0answers
35 views

Why is root user denied access to a file?

I would like to understand in which cases root can be denied access to a file. I am working on a machine I didn't configure (on my personal laptop I obivously don't have this problem) and I am having ...
3
votes
0answers
15 views

How to see the green check mark mentioned in man snap?

OS: Ubuntu 19.04 Both the list and find commands in man snap have this: A green check mark (given color and unicode support) after a publisher name indicates that the publisher has been verified....
0
votes
3answers
22 views

Do I need to add an additional mirror to a standard sources.list file?

I was looking at the instructions to download the i3 tiling wm. The instructions say If you are running Ubuntu, it is strongly suggested to use a package manager like aptitude or synaptic to ...
1
vote
0answers
18 views

Public key SSH authentication broke on all my ubuntu servers

Okay this is a tricky one In the past few months, all of my ubuntu 16.04 servers stopped accepting public key SSH authentication and will only accept passwords. Some of the things I tried: Auditing ...

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