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 AskUbuntu.com.

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How do I choose the right AWS EC2 instance type?

I read the AWS blog Choosing the Right EC2 Instance Type for Your Application, but I am still not sure how to choose the right one in terms of the cost-performance. I have several WordPress running ...
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14 views

Native Instruments Maschine Mikro and Linux

After searching a solution wherever I could, I'm resigned to ask it myself. I'm the owner of a Maschine Mikro MKII from Native Instruments and, some months ago, I switched to Ubuntu Gnome (under 15.10 ...
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14 views

Bind keyboard layout changes to key-press (combination) on Linux and/or Windows 10

I have recently come upon situations where it would be useful to quickly switch between different keyboard mappings. For example, sometimes I talk to my Danish friend and would like quick access to ...
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1answer
29 views

Using Ubuntu GUI on cloud server

I have a Google Compute Engine VM instance running Ubuntu 14.04. I use command line through SSH so far to interact with the server. How can I interact with the Ubuntu VM via a graphical interface?
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Unable to install Windows 7 after Ubuntu uninstall - GParted & DISKPART used, error still present

I'll try to be as specific as possible. System came pre-installed with windows 8 upgraded to 10 hated it, uninstalled 10 by installing Ubuntu LTS. hated it, made a live USB for windows 7 used ...
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1answer
36 views

Problems with virtualbox ubuntu

I'm trying to get a Ubuntu VM running on my Win 10 machine . I don't have much experience with this (did it once a few years ago on a different machine, and didn't have any problems), and I'm not ...
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2answers
14 views

Hyper-V Ubuntu can't connect to internet via external network adapter if it also has an internal network adapter

I have an Ubuntu 14.04 Server running as a Hyper-V VM. It has an external virtual adapter and an internal virtual adapter connected to it. The external adapter eth0 gets an ip from 192.168.1.x ...
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10 views

How to specify url in the virtual host?

Currently, I am able to run my website on www.demotrt.com with the following virtual host entry. <VirtualHost *:80> ServerName demotrt.com ServerAlias www.demotrt.com DocumentRoot ...
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2answers
39 views

can't boot debian, can't change anything with efibootmgr

After a kernel update (Debian Stable/Jessie), my system wouldn't boot. I got back into it by installing ubuntu, and the ubuntu loader will let me boot debian. So now I'm trying to get debian to ...
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2answers
16 views

running chained bash function commands in background

I am attempting to call port() { fuser -k $1/tcp; python manage.py runserver $1 ;} runproject() { cd $HOME/projects/$1 ; workon $1 ; port $2 & ; sleep 3 ; google-chrome 127.0.0.1:$2 ;} (port is ...
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My icons, mouse pointer etc are small on in Gnome on Ubuntu 14.04. How can I fix this?

My mouse pointer and toolbar icons (quit, minimize, maximize) are really small in Gnome on Ubuntu 14.04: ..even after I set the scaling factor as: gsettings set org.gnome.desktop.interface ...
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31 views

Remote Desktop + Ubuntu: Keyboard issues

UPDATE: Got xrdp set up on the ubuntu system, and am now directly connecting to it via Remote Desktop... and it's got the same exact problem. Backspace, alt-keys, etc all work, but regular letters and ...
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38 views

xkb key remaps not applied in virtualbox

running Ubuntu 14.04 (xfce) I have the following problem: since my left arrow key is broken, I remapped it to PageUp (prior) and PageUp to right shift, by modifying /usr/share/X11/xkb/symbols/pc. ...
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27 views

FFMPEG realtime streaming using a remote m3u8

I've been doing a long term research to do DRM solution for my client and we are almost there, here is what we'd like to achieve and please accept my lack of understanding, Im well new to FFMPEG and ...
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0answers
9 views

Preserve numlock state during cryptdisk boot password prompt in plymouth

Each time my computer boots, there is prompt for password to decrypt hard drive (ubuntu is using plymouth). I'd like to use numeric keypad, but unfortunately plymouth changes numlock status to off ...
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1answer
19 views

Scp command is not working

I have first use ssh root@ip-address .And created a dump file over here with the name 'filess' mysqldump -uusername -ppassword db_name table_name > dump_name.Then when I am trying to download the ...
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2answers
43 views

Unable to access boot menu

I've been having a difficult time trying to install Ubuntu on my laptop due to a silly mistake I made earlier. During the setup process, I installed the boot loader to /dev/sda8 instead of /dev/sda ...
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0answers
9 views

Is autofs designed to automatically dismount nfs after user leave directory?

I have autofs configured to automatically mount a directory using nfs on Ubuntu 14.04. After the user has left the directory (or exited the shell entirely); I would like that directory to dismount. ...
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29 views

Can't connect to Firebird (Ubuntu)

I'm new to Ubuntu and I just installed it on a computer. I installed Samba and shared the folders "/samba" and "/hd". I downloaded and installed Firebird and copied my database that I created on ...
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26 views

Ubuntu not booting properly from Grub2Win

I installed the Grub2Win utility and was able to set up the grub2 boot loader successfully. When my system boots, I am able to choose an operating system. Windows currently works fine, but when I try ...
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1answer
60 views

Ubuntu can't install php5-mysql

Now, before someone marks this as a duplicate, I've been looking around on the internet for the last two days and have been unable to find a resolve for my issue. All I'm trying to do is simply get ...
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1answer
39 views

Windows 10 VirtualBox - Ubuntu 14.04.4 disk space capped at 1GB

I have a Windows 10 machine, with VirtualBox v5.0.16 r105871 installed. Over this, I am trying to host an Ubuntu 14.04.4 OS so that I can install and run the Robot Operating System (ROS). Here are ...
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19 views

Extra whitespaces in clipboard with TeamViewer

I'm connecting from Windows to an Ubuntu computer (and vice versa) and I'm copy-pasting values from one to another. The strange problem is the text I copied usually ends up with a lot of blank ...
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2answers
21 views

Evaluate each environment variable and set it back in ubuntu

I'm trying to write a shell script which reads all the environment variables, evaluate them for included env. variable with in them and re-export after evaluvation. Example - I've an environment ...
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13 views

Hide user list from system settings in Ubuntu

I'm setting up some Ubuntu machines for our college using 14.04 LTS with the standard Unity launcher. I've joined the machines to AD and hidden all but manual login on the login screen using the ...
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28 views

Compiz consuming CPU on Ubuntu 15.10

My CPU seems to run "hot" all the time, and I noticed that it's compiz which is running at 100% all the time, sometimes on single core, sometimes on multiple cores. It may be related to multiple users ...
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19 views

How to network between two Ubuntu VM's, then bridge VM1 to local machine, without VM2 having direct access to network?

I am trying to complete a lab for one of my networking classes, and I think I need some assistance on a rather specific issue. I have two virtual machines: VM1 VM2 (Both running ubuntu 14.04 And ...
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1answer
183 views

Install Virtualbox on Linux Mint 17.3 with upgraded kernel 4.4

Fresh Linux Mint 17.3 install on a Thinkpad T460. Upgraded kernel from 3.19 to 4.4.0-15 to get WiFi working. Now can't get Virtualbox to run. I need Virtualbox to run Vagrant. Error! Bad return ...
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1answer
18 views

Ubuntu doesn't show hard drive partitions properly

I first had Windows 8.1 on my laptop installed and now I'm trying to add Ubuntu 15.10 and be able to dual boot. I have freed up some space and partitioned my hard drive for the Ubuntu installation. ...
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11 views

gedit with class browser plugin: sorting function list

I'm using gedit with the class browser plugin on Ubuntu. It's working nicely but all the functions appear in the order of their declaration which makes it very difficult to find what I'm looking for. ...
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36 views

Cannot connect to VirtualBox internal network

I have been trying to connect two virtual machines on VirtualBox via the internal network that they have. I have done a fresh install of Ubuntu 14.04, and i have set up the DHCP server using the ...
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1answer
116 views

Black screen when trying to install Ubuntu or Debian on new laptop

I'm trying to install Ubuntu or Debian from a live usb, but I can't get past the grub screen. I have two physical USB drives and I used unetbootin to create the live usbs. I've tried the live USBs ...
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16 views

Getting default Ubuntu page when I should be getting the WordPress admin login page

OS: Ubuntu 14.02 WordPress 4.4.2 Here's what I did: I created a test.com.conf file in /etc/apache2/sites-available <VirtualHost *:80> ServerAdmin joseph@mywebsite.com ServerName ...
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26 views

How do I copy and paste text from Mac Host to Ubuntu Guest in VirtualBox?

I cannot copy and paste text from my Mac (host) to my Ubuntu Server (guest) in Virtualbox. Solutions I tried: Enable Bidirectional in Advanced Settings for "Shared Clipboard" and "Drag'n'Drop". ...
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30 views

Error with ubuntu server attempt to write a readonly database

We have created an Ubuntu server with amazon web services, and seem to be having some problems after we have installed django and Apache. When we upload our project to the server, we can't login as ...
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42 views

Ubuntu boots in black screen

as the title says, Ubuntu 14.04 boots into a black screen. I have ubuntu installed alongside windows 10. I had problems with the nouveau driver, but i managed to install my Nvidia driver (GTX ...
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15 views

Error with AWS ubuntu server connecting to FileZilla

Made an Amazon web service instance today, with ubuntu server, it's working fine with apache, I can connect to the website on the browser without issues. But when I try to connect to FileZilla I get a ...
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20 views

can system-config-printer clear 'low on ink' status (Printer *has* ink! Ubuntu doesn't believe.)

I have HP Photosmart 5520 and print from xubuntu 14.04.4 LTS. Printer is fine. I had low ink at one point in the past. With a new ink cartridge I could print several pages, then printing stops with ...
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0answers
50 views

Remove Linux and install Windows 10

I have been using one of my brother computers for about one year with ubuntu. Now my brother want windows back. I used gparted to format the entire disk into ntfs. I've got an official usb ...
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1answer
27 views

Can 'apt search' display results as one-liners like 'apt-cache search' does?

I just recently discovered the shorthand versions of apt commands: apt install instead of apt-get install, apt update / apt-get update, apt search / apt-cache search. Is there a config setting to make ...
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19 views

Ping not working from Windows to Linux

I have a fresh Ubuntu system that I am trying to ssh into from another PC. I'm starting out just trying to see if I can get a Windows system to see my Ubuntu system so I am using ping. Here is my ...
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12 views

convert old Staroffice Writer 3 file to readable document

I have an old SDW 3.0 Document wich mostly only contains text but the binary form seems to have no plain text included ... also libreoffice after 4.0 does not support that in reading anymore in ...
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74 views

Cannot reach website due to bad DNS (even while using curl and clearing all caches)

I have a website running for 2 years now. A week ago, I changed the DNS records for this website. On all other devices other than this laptop, the website can be accessed normally. On this laptop, a ...
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1answer
32 views

Formatted a drive that has an OS installed, now my PC doesn't get past the BIOS

I have 2 SSD's. One has Ubuntu installed, the other has Windows 7. They're separate drives, not just one drive partitioned into two if that matters. I tried to install the official Nvidia display ...
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120 views

Ubuntu 16.04: “No such file or directory” when executing 64-bit existing file

With this error, I can only find references for 32bit executables on 64bit system. This is not the case: the binary is 64bit, the interpreter and every library seems in place. Can you help me? Thank ...
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1answer
37 views

Confused whether to switch from ext2 to ext4 or not

I recently installed Xubuntu 14.04 on my old laptop and decided to buy an SSD for the new OS. I installed Xubuntu on 32GB ext2 formatted partition because I read that it doesn't have journalling which ...
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12 views

Modem failure in ubuntu-15.10

I am using Ubuntu 15.10| When I connect my modem in the usb port it does not show any connections in the network manager, but after taking a restart ( modem connected) it shows. ( Sometimes i have to ...
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22 views

I am obliged to format to build a Raid 5 array?

I have four identical Western Digital Elements 2TB which are all about 70 to 85% full. I would like to create a RAID 5 array by removing all the hard drives from the external boxes and by putting ...
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1answer
86 views

How to get Ubuntu system to boot and run entirely in RAM?

I want to dual boot Ubuntu and have it run in RAM. I have used Puppy Linux from live USB stick which ran completely in RAM, but a lot of things didn't work and so I decided to just go with a full ...
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2answers
19 views

How can I compare lists of files for manual incremental backup purposes?

I have backups of my hard drives in a physically different location. Periodically I will bring my hard drives to this location to update the backups. I do this because the data on my drives is ...