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

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14
votes
6answers
12k 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 ...
9
votes
2answers
5k 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
2answers
5k 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 Either I found short tutorials on how you perform the installation, as simple as "apt-get install apache2", or outdated tutorials.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 ...
5
votes
1answer
97 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
1answer
988 views

Is it possible to configure LightDM to load Caribou for the on screen keyboard, replacing 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 LightDM is configured to use onboard as ...
4
votes
3answers
11k 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 ...
4
votes
1answer
1k 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 ...
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
3answers
177 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
2answers
4k 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?
3
votes
1answer
12k 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
1answer
203 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 ...
3
votes
1answer
6k 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
5answers
85 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
3answers
6k 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 ...
2
votes
2answers
39 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
1k 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 nor not, like openSSH ...
2
votes
1answer
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
814 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
5k 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 ...
2
votes
0answers
278 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
268 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
683 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
831 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
4answers
1k 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 ...
1
vote
2answers
66 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 ...
1
vote
1answer
73 views

Other backgrounds for tty Concoles?

I have in ~/.bashrc: if [ "$TERM" = "linux" ]; then echo -en "\e]P0232323" #black echo -en "\e]P82B2B2B" #darkgrey echo -en "\e]P1D75F5F" #darkred echo -en "\e]P9E33636" #red echo ...
1
vote
1answer
2k 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 ...
1
vote
1answer
3k views

Adding space to VMware Virtual Disk for running Ubuntu Server Guest on LVM Partition

I have been testing methods for adding space to an Ubuntu Server guest running on VMware. I have setup the server using LVM so I can add physical disks to to the LVM group and expand the logical ...
1
vote
1answer
180 views

physical storage of the kernel data [closed]

I have some question about physical storage of the kernel data in Linux, I know that the upper 1 GB of the VIRTUAL memory of each process points to the same PHYSICAL location, but this piece of the ...
1
vote
1answer
57 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 ...
1
vote
1answer
76 views

How to properly create a virtual machine for Windows?

Hello my problem is the following : i want to get to use Ubuntu but yet i need Windows for my studies (for like Visual Studio and other stuff does work only under Windows ) so i was thinking of making ...
1
vote
1answer
37 views

What options do you recommend for running an emulation of the windows 7 operating system on the ubuntu os?

I realize there are several available but am unsure which are capable of running the win7 os in a virtual machine. You're opinions are greatly appreciated.
1
vote
1answer
77 views

Will Mir support workspaces?

Although the Workspace Switcher no longer appears by default in Raring/Saucy, it can still be enabled, and some users find it invaluable. Will 14.04 or whichever version adopts Mir provide equivalent ...
1
vote
1answer
297 views

Move existing ubuntu 13.04 to a virtual machine on windows 8

So I currently have dual boot Windows 8 and Ubuntu 13.04 on a Dell XPS 13 laptop. Ubuntu has a major problem with display drivers (screen backlight) that I haven't been able to solve, so I'm looking ...
1
vote
1answer
335 views

No mouse in the session when running in Virtual PC

After installing 11.10 Desktop to Virtual PC 7 I have no mouse in the session, and cannot use the keyboard beyond logging in.
1
vote
1answer
10k 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 ...
1
vote
1answer
87 views

Packages are not installing!

I am trying to install packages using apt-get These are the following packages: root@ubunto:/# sudo apt-get install build-essential libssl-dev libcurl4-gnutls-dev libexpat1-dev gettext unzip Reading ...
1
vote
0answers
36 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 ...
1
vote
0answers
173 views

I would like to make a Virtual Router on Ubuntu 14.04

I have Ubuntu 14.04. But when I try to create a virtual router from the "Create new wireless network" I lose connection. This issue was resolved in the forum, in the following post: I would like to ...
1
vote
0answers
26 views

Second virtual interface fails

I'm trying to simulate multiple hosts in my laptop for testing wifi connections with Access Point. Trying to create virtual interfaces using iw command. The file /etc/network/interfaces looks like ...
1
vote
0answers
134 views

Enable numlock at login screen - with thin client?

I want to enable numlock at the login screen. numlockx is already installed. I've tried adding "greeter-setup-script=/usr/bin/numlockx on" to etc/lightdm/lightdm.conf, which by the way only works if ...
1
vote
0answers
54 views

14.04 Parallels and VirtualBox Resolution Issues [duplicate]

I recently installed Ubuntu 14.04 on Parallels and VirtualBox. Been trying multiple methods to fixing the resolution with no luck. I am running both these VM's on my mid-2013 MBPr: Intel Iris: ...
1
vote
1answer
91 views

VM runs very slow using qemu

When I create 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 same ...
1
vote
0answers
359 views

Ubuntu server 13.04 virtual kernel inside virtualbox has just 16 colors [closed]

I installed ubuntu 13.04 server with virtual-kernel option inside of virtualbox to try it out. It does seem to be working faster then the regular image. But there is one problem. The terminal has just ...
1
vote
1answer
85 views

After upgrading a VM to 12.04 my eth0 MAC is all zeroes

I did a series of upgrades from 10.04 to 12.04 on a VM under Xen virtualisation. Now for some reason eth0 won't start up, ifconfig says mac address is 00:00:00:00:00:00, I've tried setting the address ...
1
vote
0answers
95 views

In Ubuntu displays, why does it say I'm using a laptop but I'm using a Desktop?

I'm using Ubuntu on Oracle's Virtual Box aside from Windows because the vast of my friends are trying to get me to try it, I open it and activate full screen mode, yet it isn't all fullscreen. I ...
1
vote
0answers
45 views

Linux kernel: page substitution policy

I am supposed to answer for homework which algorithm is implemented in Linux for the virtual memory page substitution and also give some extracts of the code to prove that. After some research I have ...