Questions related to virtualization, virtual devices, virtual terminal emulators, etc.

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36
votes
4answers
91k views

How do I check if a package is installed on my server?

I recently installed Ubuntu Server edition 13.10. But I have ran into a bit of problem. At the end of the install, it asks you for several extra packages whether you want them or not, like openSSH ...
18
votes
6answers
15k views

How to run two X sessions at the same time?

I would like to run two X server instances at the same time. One would be an interactive session using the mouse and keyboard attached to the computer. The other would be a 'virtual' session that I ...
12
votes
3answers
13k views

What is a virtual terminal for?

When I press ctrl+alt+F1 it goes to virtual terminal. What is this virtual terminal for? When do you need to use it?
8
votes
3answers
20k views

How to access localhost:8080 running on ubuntu from windows running into virtual box?

I have the ip address for ubuntu machine, and I want to access the application running on localhost in ubuntu from my virtual windows box. Is there a way to do it? Typing the [inet address]:8080 doesn'...
8
votes
1answer
19k views

How to mount a virtual hard disk?

Is it possible to mount a virtual hard disk (VHD, HDD, VDI, VMDK) on Ubuntu? How can this be done?
8
votes
2answers
6k views

How do I properly set up and secure a production LAMP Server?

It's very hard to find comprehensive information on this subject. Either I found short tutorials on how you perform the installation, as simple as "apt-get install apache2", or outdated tutorials. So ...
6
votes
1answer
9k views

How to transfer data from Genymotion to Host machine?

I am using Genymotin Version 2.3.1 in my Ubuntu machine. I can able to copy files from Host machine to Genymotion by simple drag and drop method. But I unable to copy Genymotion Data to host machine. ...
6
votes
1answer
10k views

Setup virtual serial ports (Linux null modem emulator) using tty0tty

I want to setup virtual serial port emulator in Linux. I want the ports to be permanent, so that I can use them every time I restart. I tried using socat for that purpose as in this way, socat -d -d ...
5
votes
1answer
648 views

Installing Latex on Virtualenv

I'm trying to install latex on virtualenv as a part of my project being uploaded to heroku. I used pip install texlive-latex-extra also easy_install texlive-latex-extra for packages texlive-base,...
5
votes
1answer
2k views

How do I upgrade my kernel on the Rackspace Cloud?

I'm running servers on the Rackspace Cloud -- the first-generation one, not the next-generation Open Stack one. I believe it's running Xen for the hypervisor. I use the stock images from Rackspace. I ...
5
votes
1answer
104 views

Why isn't Unity loading on VirtualBox?

I also tried Unity doesn't load, no Launcher, no Dash appears, and none of the solutions worked. The virtual machine runs Ubuntu 12.10 i386 and the host computer has Windows 7 x64.
4
votes
2answers
1k views

How do I open files that are not located inside wine's virtual C drive?

I am running winamp using wine. When I am choosing music to open in winamp I can only browse inside wines c drive but I have all my music on a partition. I want to be able to play the music from the ...
4
votes
3answers
5k views

VirtualBox stuck on “Starting Virtual Machine”

I just got a new work laptop but I am having a lot of difficulty getting virtualbox to run on it. It basically fails to start the virtual machine when I try boot it and remains stuck on "Starting ...
4
votes
1answer
1k views

Is it possible to use Caribou on the login screen instead of onboard?

When using GNOME Shell it comes with Caribou, an on screen keyboard that looks really nice (on par with screen keyboards found on iOS and Android). I see that Unity Greeter is configured to use ...
4
votes
3answers
15k views

“Virtual Machine Manager” and “Virtual Machine Server” setup manual

Is there a manual available that covers the proper setup of a "Virtual Machine Server" with no GUI with an Ubuntu Workstation with a GUI and "Virtual Machine Manager" installed? Both are 12.04 version....
4
votes
1answer
2k views

Help fixing Virtual Console (tty1-6) under VirtualBox

I updated my Ubuntu from 10.4 to 11.10. (Huge mistake, I know.) I am unable to view my virtual consoles ttyS1- ttyS6 This happens inside VirtualBox and gdm is running in background. I'm not sure ...
3
votes
1answer
3k views

linux-image-virtual packages empty in 14.04 trusty?

I can't seem to get a linux-virtual kernel (for VMs) installed in trusty. The packages install perfectly fine, but they simply are empty, without anything except changelog and copyright files in usr/...
3
votes
1answer
19k views

I would like to make a Virtual Router on Ubuntu 12.04

I have recently installed Ubuntu 12.04 and would like to make a virtual router for my Android Device which only connects to infrastructure networks and not adhoc networks anyone who has any tips ...
3
votes
3answers
671 views

Setting a command to be run when switching to a virtual desktop (or an activity) in KDE

Can a command be set to run when switching to a specific virtual desktop (or an activity) in KDE environment? I want to run a command for a desktop (e.g. desktop2) which when I switch to, it will ...
3
votes
1answer
67 views

kvm, install virtual machine failed

I am using kvm to install virtual machine, and after that the image will be uploaded to create OpenStack virtual machine instance. The fllowing are my commands command 1. create image $ qemu-img ...
3
votes
1answer
881 views

Virtualbox 4.X on ubuntu 15.10

I updated to Ubuntu to 15.10 and suddenly Virtual Box isn't working anymore. So I tried to install an older version, that didn't work. Downgrading also didn't help. Is there any option to install ...
3
votes
1answer
143 views

xrandr “cannot find mode” although mode is added and shows on xrandr

I'm trying to use my tablet as an extended monitor for my laptop, following Prometheus's answer here. I got to the point where I'm supposed to output the mode with VGA-0, but xrandr "cannot find mode....
3
votes
2answers
9k views

Virtual PC error, Unable to boot - please use a kernel appropriate for your CPU

I use Virtual PC with Windows 7 Unlimited version, I have AMD processor, I have installed Windows XP mode, which works fine, I would like to install Ubuntu Linux Operating System, but unable so far, I ...
3
votes
1answer
55 views

How to make Network Manager ignore VMware virtual network adapters

I'm running Ubuntu 16.04, fully updated. The 2 devices listed that are not being managed didn't show up until I installed VMware Workstation 12.1.1. I believe they are from the VMware host-only/NAT ...
3
votes
5answers
2k views

How to run Ubuntu, within Windows, from a USB drive? [duplicate]

Is is possible to run Ubuntu from a USB pen drive, while simultaneously working and running the main OS (Windows) on the computer? I assume this is like a virtual desktop held on the USB, and ...
2
votes
4answers
3k views

How to change partitions on Ubuntu virtual machine?

Original Question: How to resize root partition without live CD? I have a virtual machine that I need to make bigger. I made the VM img larger and now I need to resize the partitions so I can use the ...
2
votes
1answer
4k views

VM runs very slow using QEMU

When I create a virtual machine using qemu-system-x86_64, it doesn't even boot up. This is how I boot the VM: qemu-system-x86_64 -m 1024 -name mac -hda ~/Documents/ubuntu1 But when I create the ...
2
votes
1answer
279 views

Virtual Network Interface

Recently I configured my Ubuntu in enterprise where it is used Windows machines as usual. Problem is that proxy settings are obtained through domain settings. And this is not relevant to my Linux ...
2
votes
1answer
6k views

Virtual Audio Cable For Ubuntu

I am looking for a Virtual Audio Cable program to pipe audio through. Surely there must be a Linux version or something similar to these awesome Windows programs... http://software.muzychenko.net/...
2
votes
2answers
701 views

Can the mount command mount iso files into virtual drives?

I was looking over some question here on the site. From what I understood I could mount an iso file in a virtual drive using "-o loop" (the loop option). Is this true? ...if it is then I'm having ...
2
votes
2answers
119 views

Ubuntu on SSHD Drive with Windows 7 VM

I'm tottaly new to Ubuntu. Only played with it in the last few days while I waited for the new drive to come (LiveUSB persistent) I'm really impressed with it (and sick of Windows' sluggishness) and ...
2
votes
3answers
522 views

Ubuntu stuck asking to remove installation medium on Hyper V install

I'm trying to install 16.04 on a virtual machine on my Windows 10 laptop. Everything goes fine with the install with the only variance from defaults is the usage of third party video drivers. I ...
2
votes
4answers
550 views

Architecture of a virtual OpenStack deployment (Juju/MAAS) with 1 physical node

I'd like to demonstrate some of OpenStacks HA/FT features (most importantly live migration and storage replication). For that purpose, I have a machine with 32 GB RAM and a Xeon e3v2 with 4 cores (8 ...
2
votes
1answer
6k views

How many CPU cores and RAM on VMware Player for Photoshop?

How much RAM and CPU core should I allocate for my VMware Player(Windows 7 x64 as Guest OS)? My System Specs: Ubuntu 12.10 x64 Intel i7 @ 2.20 GHz (4 cores + hyper-threading) 8GB RAM 750 HDD Intel ...
2
votes
2answers
1k views

How to install VMware on 12.10?

Before you say, yes I know this has been asked before. I have tried all the answers for older versions of Ubuntu, but can't get it to work for 12.10 When installing VMware, it doesn't let you do it ...
2
votes
1answer
2k views

Specifying a local iso to vmbuilder for KVM

I am trying to specify a local .iso image of the Ubuntu OS I would like to use to create a virtual machine of. According to vmbuilder kvm ubuntu --help, (and this post) you are allowed to specify an ....
2
votes
1answer
19k views

How to SCP a file(s) from Ubuntu Virtual Machine to Remote Web host?

I'm trying to SCP some files from my local Ubuntu 10.04 Virtual Machine (running on a Windows Vista Platform) up to my remote web host. SSH is enabled on their end and I was able to login via the ...
2
votes
1answer
81 views

Install without cd or usb

My dads girlfriend has a laptop with windows 8. (ofcourse) she wants it replaced with with anything else. Being a fulltime linux user since a while, i thinks it time to convert them also! Only 1 ...
2
votes
1answer
2k views

Rasbperry pi, emulation on ubuntu

I was looking to virtually emulate Raspberry pi on UBUNTU 12.04. If anyone has tried it, please provide the instruction for that. I saw some article: rasbperrypi.org . But I'm still confused, if ...
2
votes
1answer
1k views

Copy/Paste Not working in Virtual Box with XP as guest OS on Ubuntu 13.04

Unable to copy/paste or drag/drop in Sun Virtual Box with Windows XP as Guest OS on Ubuntu 13.04. I've already checked the settings to Bidirectional. Still am unable to execute both the operations.
2
votes
1answer
8k views

Ubuntu apt-get install linux-image

I'd like someone to enlighten me as to what exactly goes on with aptitude when I want a kernel. As we all know, there's pretty much the following kernel option: linux-image-generic linux-image-...
2
votes
0answers
26 views

apt-cacher-ng not responcible to vm-client

I did not manage to get apt-cacher-ng working in network. I wonder which of all its prerequisites are still not fulfilled (?) Maybe someone will come with deciding hint. Furthermore, while on ...
2
votes
0answers
34 views

Have trouble with Virtualbox and Ubuntu

The install went ok but my screen is small and computer runs very slow. I don't know how I did this, but it's running (snapshot 1) could this be the problem?
2
votes
1answer
124 views

Multiple desktop question, i.e. :0, :1

I have xbmc/kodi running on a machine connected to my TV. Sometimes, I need to exit xbmc to do some regular computing. This works fine. What I'd like to be able to do is have xbmc running on :0 and ...
2
votes
0answers
980 views

Maas cannot power control virsh node

Maas is not able to power-control vm-nodes. If i try to commission a declared vm node with the power settings: Power address: qemu+ssh://ubuntu@192.168.25.14/system Power id: vm1 the node does not ...
2
votes
0answers
546 views

How to add a printer for a program using wine?

I use one program in Wine which needs printer to work with. But currently I don't have a printer, and installed cups-pdf. When it comes to print the program says you are using a virtual printer, ...
2
votes
1answer
420 views

How to bind a character device in /dev directory as the keyboard?

I have written an character device, I want to declare it as the keyboard and use it to generate events from the virtual keyboard?
2
votes
1answer
1k views

How to record from 2 microphones to create a virtual environment (Binaural Recording)

I wish to make a recording using 2 microphones positioned at a distance mentioned here: http://en.wikipedia.org/wiki/Binaural_recording so I can make a "3D sound" recording. How can I configure Ubuntu ...
1
vote
2answers
1k views

Is it safe to install Ubuntu with an virtual drive? (With Daemon or Alcohol)

Is it safe to install Ubuntu with an virtual diskdrive (With Daemon, Alcohol, or MagicISO)? Because I'm not sure, and won't take the risk.
1
vote
1answer
71 views

Problem with VHD mounting

I have followed whole article Mount a VHD or VDI in Linux with vdfuse and everything gone great except last step. When I type vdfuse -r "/media/mike/DATA/VM-VHD/SGOS.vhd" ~/Test (I want just copy one ...