Ubuntu is a Linux distribution with an emphasis on ease of use and installation. Note that http://askubuntu.com is specifically dedicated to Ubuntu questions.

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How to install libav on Linux 14.04 Server?

I have setup a webserver with ubuntu 14.04 now I have to install Libav via SSH commands. Can you please help me with those commands? And Please do let me know how to I check that its properly ...
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2answers
35 views

VirtualBox Ubuntu on Windows XP host

I am attempting to make some installations on the Ubunto VirtualBox, running in a Windows XP host. The installation seems to work, I can successfully install programs using sudo apt-get install XXX ...
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1answer
25 views

Pre-built developer ubuntu VM

I'm searching for a Ubuntu (or other Linux distribution) VM with pre-installed Maven, JDK, Code-Editor, etc. It's pretty annoying to install all these tools every time you set up a new development ...
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1answer
53 views

Running a cron job randomly for every one hour

I want a cronjob to run every one hour randomly. (i.e if the first job runs at 58 minutes,the second job should run at 47 minutes and the third one at 52 minutes and so on) But this should run ...
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26 views

Installing Ubuntu alongside Windows 10

I want to install Ubuntu alongside of Windows 10. When I boot the system using a Ubuntu DVD or bootable flash memory I immediately get: error: timed out waiting for forcewake to ack request and then ...
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1answer
38 views

Missing Ubuntu in boot menu after installing Cent OS 6

I had Ubuntu in my hard disk and after installing CentOS 6 on it I am not able to see Ubuntu in the boot menu. My /bootgrub/grub.conf file looks as follows: What changes do I need to make in this ...
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0answers
43 views

Booting and installation problem. Windows 8 and Ubuntu 16.04

I installed Ubuntu. But. I couldn't boot back into windows (not shown at the grub) until I put this into the terminal: sudo apt-get install lilo sudo lilo -M /dev/sda mbr It was a success. I ...
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1answer
184 views

“service {FOO} start” vs. “/etc/init.d/{FOO} start”? [closed]

I use CrashPlan on my Debian 8 desktop. I have a script where I must stop the CrashPlan service at the beginning and then start it before exiting. I was using /etc/init.d/crashplan start for the ...
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0answers
21 views

Mouse goes out Screen too far on the right side (Ubuntu,Kde)

Under Xfce I can put the mouse pointer to the right screen edge and still activate i.e. the lift of the maximized browser window. Under Kde the mouse pointer goes out farther and I have to move the ...
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1answer
761 views

Why do some Linux shell scripts use exec to run commands? [duplicate]

In a Linux bash script such as: exec /usr/lib/4.5/mono-service.exe ./AudioVideoRecorder.exe "$@" , why do I have to exec the command and not just run it without the exec part?
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2answers
78 views

Does the Ubuntu Linux 16.04 daemon function execute a double fork? [closed]

Does the Ubuntu Linux 16.04 daemon function execute a double fork? If so, why is a double fork necessary?
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2answers
71 views

unable to change i3wm scaling

I've installed Ubuntu 16.04 on a new laptop. When it logs in I have to change the scale for menu and title bars to 2 in the screen display menu, so the system icons and text is not super tiny. I want ...
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1answer
32 views

Difference between automount and the use of udev rules and autofs to automatically mount and dismount USBs, CDs and DVDs

Ubuntu 16 (and 14 and 12 and 10) runs fuse-gvfs and does not need any daemons to mount USB drives. What is the difference between automount and the use of udev rules and autofs to automatically mount ...
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1answer
33 views

How can I successfuly port W10 files to Ubuntu? [closed]

I just installed Ubuntu (Dual boot with W10) and I can see my W10 partition from inside Ubuntu with all my files. They seem fairly corrupt on the Linux side (Text editors, web browsers, Steam etc) ...
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0answers
27 views

Unable to start VLC - could not find Qt platform plugin

I recently upgraded my Ubuntu from 14.04 to 15.10. Yesterday I tried installing KDE plasma desktop but due to some errors I had to remove it. The system asked for a partial upgrade and I did that. Now ...
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0answers
57 views

how to find duplicate folders inside main folder [closed]

I've moved a lot of files and folders from my old nas to my new smb share. The problem is that someone made entire copies of nearly every folder on that thing. And I need the space. I'm currently ...
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2answers
100 views

Why does Ubuntu 16.04 execle of a specfic C# image halt after 90 seconds while others run 24X7?

I would like to find a Ubuntu Linux 16.04 systen command similar to strace to find out why my C++ program , ServiceController.exe , which [execle ("/usr/lib/mono/4.5/mono-service","/usr/lib/mono/4....
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0answers
217 views

Can Ubuntu 16.04 setup autofs to automount /media/autousb with read and write permissions if am user frank?

I spent 6 hours yesterday testing @Ingo Blackman's answer to the Unix and Linux Stack Exchange article, [Automounting USB sticks on Debian When I use a udev rule ACTION=="add" and RUN+="/bin/ln -...
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1answer
40 views

Printing to ubuntu client via network, using php that reside in windows 7 webserver [closed]

I plan to change my windows 7 client to ubuntu 14.04 LTS. The client has a local printer (Epson LX-310) that is used to print an invoice in web app environment built using apache with php (the web ...
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2answers
238 views

Double Click Shell Script in Ubuntu 16.04 Nautilus only gives the user option to edit the shell script file

When I follow the steps in [http://askubuntu.com/questions/138908/how-to-execute-a-script-just-by-double-clicking-like-exe-files-in-windows] I used to get a dialog box asking whether I wanted to ...
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0answers
68 views

Create a background process using execle with Ubuntu 16.04's daemon function

Here is an example of the usage of Ubuntu Linux 16.04 C/C++ daemon() function: #include <unistd.h> #include <stdio.h> int main() { daemon(1, 0); while (89) printf("Lol\n"); } ...
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0answers
28 views

Shell script which runs mono_service.exe as a background task

When I start an Ubuntu Linux 16.04 process with /usr/lib/4.5/mono_service.exe AudioRecorder.exe it returns right way. But, when I write a bash shell script with one line: exec /usr/lib/4.5/...
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0answers
35 views

Installing Ubuntu: [drm:drm_edid_block_valid [drm]] *ERROR* EDID has major version 0, instead of 1

I'm installing Ubuntu on a laptopt via a bootable USB. The installation goes smoothly until it's time to restart and boot into the system, and which point I'm stuck on a terminal screen with the error ...
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1answer
35 views

Print on debian like on Ubuntu/Mint

I have been using Ubuntu & Linux Mint for quite a while. I now switched to debian. I'm very happy with this except for printing. I just can't find any solution besides using CUPS on the web, ...
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2answers
62 views

How to automatically fetch new name server on VPN connect

I am running ubuntu xenial 16.04 We are using openvpn to connect to a virtual private cloud. That cloud has it's own DNS server (as does our local route - home or office). When I connect to the VPN ...
3
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1answer
29 views

Find PCI configuration

In this page, Figure 6.1 shows an example of PCI configuration, with two buses. Using Linux (Ubuntu), is it possible to get the PCI configuration of the actual motherboard? I mean: determine how many ...
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0answers
38 views

How to fix the autofs procedure used for preserving the USB mount point in between reboots and USB reconnects?

I read the answers in this excellent Unix Stack Exchange article; Automounting USB sticks on Debian and tested it earlier yesterday on an Ubuntu Linux 16.04 instance , Lenovo Thinkstation quad core ...
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1answer
56 views

How do I set up a udev rule to mount the SanDisk Cruzer USB upon insertion in order to eliminate an fstab entry?

Suppose I run sudo mount -a after setting /etc/fstab to: /dev/usbhd1 /path/to/mount/point ntfs rw,auto,nofail 0 1 Yesterday, upon asking what steps our architect and I should do next after a ...
3
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1answer
129 views

'python-software-properties' has no installation candidate while installing torch

I'm pretty new to Linux, I'm using Ubuntu and want to install Torch. I'm following this guide. The first line runs fine: git clone https://github.com/torch/distro.git ~/torch --recursive But fails ...
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1answer
20 views

Add a second authentication to user log in

trap '' 2 code=`oathtool --base32 --totp "xxxxxxxxxxxx"` echo -n Enter Code: read -s password echo "" if [ "$password" == "$code" ]; then echo "You are allowed in" else exit fi trap ...
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3answers
109 views

Is it possible to make the device filesystem name , /dev/sd?1 , stay constant everytime we reconnect the SanDisk USB Cruzer drive?

Is it possible to make the device filesystem name , /dev/sdi1 , shown by lsblk -f stay constant everytime we disconnect and reconnect the SanDisk USB Cruzer drive? I am running Ubuntu Linux 16.04 on ...
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76 views

an error occurred while mounting /

I have a trouble with virtual Ubuntu image launched on Oracle VM VirtualBox. After last reboot I can't manage to run it, because I'm getting on start message: EXT4-fs (sda1): Couldn't remount RDWR ...
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22 views

How to restore lvm partition without config file?

Today I did update my ubuntu server. The device structure is looks like to below 1) sda1 # new os 2) sdb1 # origin /boot partition 3) sdb2 # origin swap partition 4) sdb3 # origin ...
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Check MX on ubuntu not working

I am working on mac and using vagrant with ubuntu When I am running host -t MX gmail.com on my mac I have gmail.com mail is handled by 30 alt3.gmail-smtp-in.l.google.com. gmail.com mail is handled ...
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1answer
41 views

Suspicious traffic in nethogs on fresh install

Earlier today google said that unusual traffic was emanating from my computer and gave me a captcha. I got curious and installed nethogs. Everything appears normal except for an unknown program ...
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0answers
35 views

Subprocess returned an errorcode

I'm trying to install TinyOS in virtual box on Ubuntu and am having some issues. The error I am getting is Errors were encountered while processing: /var/cache/apt/archives/openjdk-9-jdk_9~...
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0answers
60 views

How do Linux kernel modules get enabled in a Linux distro's kernel package?

Although I know how to recompile my kernel to enable a module I want, I'm curious to know how the default Linux kernel modules are chosen in a Linux distribution's kernel package. Taking a comparison ...
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1answer
116 views

Is it okay to modify Ubuntu Linux 16.04's /etc/fstab after I initialized it?

I modified /etc/fstab after I initialized it on an Ubuntu Linux 16.04 system running on an Lenovo Thinkstation desktop. After it messed up my Ubuntu Linux 16.04 system causing it to go into emergency ...
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3answers
28 views

Double sided DVD's: Is it possible to have a dual-layer (both sided) DVD that is usable for 9.4GB Distro Installs?

I was looking at installs with all my OSS software, and the 4.7GB limit was reached for install of a particular Linux distro. My question is is it possible to have a Double-sided DVD-RAM (i.e. the ...
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0answers
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Ubuntu won't lock on lid close, lock keystroke, or settings -> lock on Ubuntu 12.04 LTS installed via croton to a chromebook

I installed Ubuntu via this guide http://lifehacker.com/how-to-install-linux-on-a-chromebook-and-unlock-its-ful-509039343 using the unity option instead of xfce. When I close the lid, hit the lock ...
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2answers
57 views

Tmux shortcut problem

While using Tmux, I tried to maximise the current pane using <prefix> z, and had a bit of a keyboard fail and accidently held down the prefix keys while pressing z, instead of letting go of the ...
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2answers
68 views

Uninstall Wordpress

I am still at the beginning and just wondering how to uninstall totally WordPress and then reinstall it. I installed first time from this tutorial.
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1answer
41 views

i3status alsa mixer

How do I get i3status to display the volume level from alsamixer instead of Pulseaudio? This is my volume configuration right now: volume master { format = "♪: %volume" format_muted ...
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2answers
52 views

Where are my lost cron jobs?

I am trying to port the code over to a new server hosted somewhere else, and I want to know what cron jobs are running on the old box. Where can I find these? crontab -l SHELL="/bin/bash" 0 0,6 * * ...
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1answer
36 views

Return owner of process given PID

I'm trying to grab the owner of a process from a list, I have the command pidof nmap to get the then ps -u <PID> | grep USER that I'm currently playing around with, but when I run it, it ends ...
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2answers
146 views

Eclipse Mars reacts delayed and crashes on Ubuntu 16

I´ve changed from Windows to Ubuntu 16.04 recently and when I'm running Eclipse Mars 2 (4.5.2), it reacts really slow or delayed. When I try to do anything like creating a new project, importing or ...
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38 views

how to create an icon button in X11?

I am using x11 library for creating a simple window application in Linux. I want to add an icon button (graphical button) to my app - something similar to this: Are there any instructions on how to ...
1
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1answer
18 views

Using chroot to restore Kubuntu 14.04

I have accidentaly purged some system files and now Kubuntu 14.04 won't boot past the start up logo. I read online that I can perform changes on my system through my LiveUSB and the BASH chroot ...
3
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1answer
26 views

Console keymapping

I have installed Arch Linux on my Thinkpad W530, and none of the Fn-Fx keys or the volume buttons work. However, they do work before I have booted into Arch at the Grub menu. (I can change the ...
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28 views

Practical method to safely use a USB stick on daily basis for Linux

Which practical method exist for safely using a USB stick on a daily basis, for Linux-based systems (e.g. Ubuntu) ? With emphasis over the following: I'm well aware that nothing is 100% secure ...