1
vote
1answer
38 views

LVS is not accessible from the outside

I'm currently busy setting up a LVS - Linux Virtual Server: root@debian1:~# ipvsadm -L IP Virtual Server version 1.2.1 (size=4096) Prot LocalAddress:Port Scheduler Flags -> RemoteAddress:Port ...
0
votes
0answers
13 views

Is it possible to install RHEV on el6 clustered computer

Is it possible to use Linux (el6) clustered computer can be used as a hypervisor for RHEV 3.3/Ovirt 3.3? Cause, we can not combine RAM/CPU from two or more hypervisores to be considered as a one ...
0
votes
0answers
26 views

Copy and Paste between two guests in RHEV and/or VMware ESXi, is possible?

I do have two different setup: setup is with RHEV 3.3 and setup with VMware ESXi Is it possible to copy and paste between the two assigned guests to user, one guest is of Windows 7 and another ...
0
votes
1answer
64 views

Nested virtualization: run RHEVH inside KVM

I have laptop with 16GB RAM, trying to install Red Hat Enterprise Virtualization Hypervizor 3.3 on Virtual Machine Manager (KVM) based Guest, but it gives error "Virtualization Hardware not found" ? ...
1
vote
2answers
2k views

Wireless connection not figuring in VMware Workstation 10(Kali-Linux)

I just installed kali-linux on my VMware workstation 10. I had to check for the wireless connection in the kali-linux. I tried to check for the wireless-network connection(WiFi);but,it was incorrectly ...
0
votes
0answers
48 views

Centos 6.5 laptop with multiple KVM on roaming networks

I have Laptop with CentOS 6.5 with 16GB RAM and many KVMs are created for testing purpose. Situation is I have to move from site to site, and due to that physically connected network eth0 to Host ...
0
votes
1answer
480 views

CentOS 6.5 + KVM (Virtual Machine Manager) create shortcut - Laucher for Guest Machine

How can I create a Launcher on my desktop for guests machines inside of KVM on desktop of CentOS 6.5?
1
vote
0answers
22 views

A Way Around: Host Accessing Guest in Internal Network?

folks. I have installed a Linux virtual machine in VirtualBox with 2 adapters: vnet0 is a host-only network and vnet1 is an internal network. I am able to get the IP address given by vnet0. ...
3
votes
2answers
48 views

LiveCD “Remembers” Earlier Partitioning

Whenever I use VirtualBox to install a Linux distro, I usually install the LiveISO onto the hard drive instead of just using it as a live CD. However, sometimes the ISO doesn't install fully (usually ...
0
votes
2answers
234 views

Which strategy suits best a user with a scientific background like me? (Linux Desktop, Dual Boot, Virtualization)/ (Fedora? Arch? Win?) [closed]

First of all, I've a scientific background and my professional work involves scientific computation: Lots of Python, Matlab, C/C++, TeX, Git, Java apps and some Julia, Parallel computing, web ...
0
votes
1answer
58 views

Testing a Linux router on Laptop with one NIC [closed]

So, I have these instructions on converting my Linux machine to a router using (enable IP forwarding, NAT). Now my laptop has only one NIC and I want to test this setup. Any ideas how I can do this? ...
1
vote
0answers
138 views

Pentesting from a virtual machine, hiding the host

I want to install Kali Linux as a virtual machine in VirtualBox for pentesting wireless routers and network hosts. I want to hide my host OS, which is Windows 8, so that other machines see my computer ...
1
vote
0answers
77 views

sharing folders in virtual box

I'm trying to run a Linux Mint guest inside a Linux Mint host(both 64-bit). I've installed Guest Additions etc. But I'm not able to access the shared folder. sudo mount -t vboxsf kernel ...
0
votes
1answer
20 views

where to put some script to run before VM Suspend?

I have run one shell script before the vm suspend. How to do this? Where to put this shell script so that it will run before the VM suspend .
1
vote
1answer
109 views

How to execute some shell script before VM suspend?

I have created one Centos VM. And I have created some IP aliases. Once I suspend and resume the VM my IP aliases are all going down. So I just want to capture the aliases address before suspend and ...
3
votes
1answer
300 views

How to make use of a real PCI modem in a Virtual Machine?

Is there a way where I can use my PCI modem in a virtual machine on an ubuntu 12.04 host box? I have installed Ubuntu 12.04 on the host and I want to use my PCI modem on a guest virtual machine. Can ...
1
vote
1answer
290 views

Starting rng-tools in SLES guest in VirtualBox

I am trying to start rng-tools in a SLES 11 SP3 installation inside of VirtualBox. vagrant@sles11sp3x64:~> uname -a Linux sles11sp3x64 3.0.93-0.8-default #1 SMP Tue Aug 27 08:44:18 UTC 2013 ...
2
votes
2answers
4k views

Copy-paste between Hyper-V guest and host

My computer runs Windows Server 2008 R2. It hosts a Hyper-V virtual machine running Ubuntu 12.04 as the guest OS. I want to copy text from Ubuntu and paste this text in Windows (and copy text in ...
29
votes
7answers
3k views

Easy way to determine virtualization technology

I have command line access to a Linux machine which may or may not be virtualized. I want to determine what kind of virtualization technology it runs on, if any (VMWare, VirtualBox, KVM, OpenVZ, Xen, ...
2
votes
3answers
671 views

Boot my kernel in a Virtual Machine?

I'm learning now how to compile and boot linux kernels. Is there a way to boot kernels in a virtual machine, rather than messing my system? I use VMWare Workstation on Windows 8. Can I use that to ...
0
votes
0answers
39 views

Install Fedora/Ubuntu from its source code using virtual box

How can I compile Fedora/Ubuntu from its source code by using some kind of virtual machine? Actually I want to trace some signals; especially termination signals SIGTERM SIGINT and SIGKILL. ...
4
votes
2answers
434 views

Is there a convenient small Unix virtual machine I can install as an Android app?

Ubuntu for Android seems to be missing in action. I'm travelling tomorrow and I need to take a basic Linux machine with me. I'd rather just take my tablet than a laptop. So is there a reasonable ...
0
votes
3answers
260 views

NFS server on qemu guest

I need to know how I can mount block devices, placed on a qemu guest system, from host. So in this case we have NFS server placed on guest system and NFS client on the host's side. There are a lot ...
1
vote
3answers
626 views

Linux / JVM - OutOfMemoryError: unable to create new native thread

I have a memory problem with a Linux server (CentOS). It is a VM. Below is the context. It has 70Gb of RAM. There are 2 tomcat running on it. One tomcat is given a heap of 13Gb and the other one a ...
1
vote
3answers
201 views

Can I install ubuntu on a Virtualbox image and use it anywhere?

I am wondering if I install ubuntu once on a virtual machine running inside virtualbox, could I then use it as a portable OS and launch it from virtualbox on any machine? Or would I have to match the ...
2
votes
2answers
652 views

Everything works except Fedora

I'm taking an Operating Systems class online for college. It requires us to have a copy of Fedora 13, provided by our instructor, running on a virtual machine. On my machine, it boots to a message ...
1
vote
2answers
486 views

Linux guest VM on mac host - Keyboard

I use a Mac as a development box, but am slowly transitioning to Linux. So I am spending the majority of my time in the Linux guest VM while working. But I still spend a fair amount of time in Mac ...
1
vote
1answer
4k views

What is the difference between virbr# and vnet#?

I am running KVM on RHEL6, and I have created several virtual machines in it. Issuing ifconfig command to the host system command line shows a list of virbr0, virbr1... and vnet0, vnet2... Are they ...
1
vote
2answers
1k views

Communicate between Ubuntu VM and Windows host

I'm running an Ubuntu VM on a Windows 7 host. I have two questions: I think that on Windows, localhost is a loopback address, and sending packets to it doesn't actually transmit any data on the ...
1
vote
2answers
86 views

Linux VPS Configuration

I just recently got my hands on a linux (Fedora) VPS and I would like to ask if there are special configurations that I have to be wary of. Do I still configure it like I would configure a normal ...
2
votes
3answers
555 views

Command line friendly virtual machine

I've been using Virtualbox for a while now, but the only way I've learned to interact with it is through the graphical interface. Is there a way for me to send bash commands to the vm through the ...
8
votes
4answers
2k views

Lightweight isolated linux environment

I want an isolated (guest) Linux environment on my computer that I can mess up without worrying about the host. E.g. install a lot of stuff from source without package management, pollute environment ...
3
votes
2answers
5k views

Unable to boot VM: Error 13: Invalid or Unsupported Executable Format

I used VMWare vConverter and everything converted fine, but when I try to boot I get an error: The physical machine boots correctly, so I don't think it is a source machine issue. I am not sure why ...
3
votes
1answer
904 views

Limit process resource consumption in CentOS 5 (2.6.18 kernel)

I would like to limit the resource (CPU, Memory, and network bandwidth) consumption of processes on the same server. And it will be good if I can migrate processes from one server to another. I ...
4
votes
1answer
4k views

CentOS doesn't know what the internet is

So I've done my share of investigating this problem... I just recently created a CentOS 6 VM on my LinuxMint box using VirtualBox. I left all the recommended values the same upon creation (8GB HDD, ...
1
vote
2answers
906 views

Red Hat Error Class Code: 49 When Attempting To Install Package

I am a Unix noob. I am currently working on a virtual machine that is running Red Hat 4.1.2-41. When I attempt to install a software package, I get the following error: ...
2
votes
5answers
1k views

How to determine why a machine is running slowly?

I log into a linux server (installed as a virtual machine) using a graphical ssh client (securessh). This server runs a tomcat5.5 server where nexus is installed. When I type commands or delete/copy ...
4
votes
4answers
293 views

Looking for small distro (to be installed automatically, with g++ and javac)

I'm looking for linux distro only with comand line and i need in it only g++,javac,python. I found Damn Small Linux but it dont have g++ and javac. It should have it out of the box because linux will ...
6
votes
1answer
3k views

Linux - LXC; deploying images with tiniest possible X11

is it currently possible to setup LXC containers with X11 capabilities? I'm looking forward for the lightest available X11 container (memory-wise), hardware acceleration a plus but not essential. If ...
5
votes
1answer
4k views

What are some alternatives to virtualbox

I have a lot of trouble lately installing on a box that i can't reboot or change the kernel. Is there any other package that supports gre tunnels (if the os supports ) that i can run on linux? ...
1
vote
2answers
356 views

Multiple dom0's on a single Xen host?

I've recently been researching Xen, and this has come up as a quistion for me. Is it possible to have more than 1 dom0 running on a single Xen host? The reason I ask is that this is very similar ...
2
votes
1answer
652 views

How to create a “jailed” environment for an application under Linux?

Using Ubuntu 11.04 as a Desktop OS, I want to reach "bigger security" with a "jailing" processes: VirtualBox, Google Chrome, Firefox, VLC, PDF/djvu reader, MP3 player, wine, pidgin, transmission, ...
4
votes
1answer
1k views

Reading a filesystem from a whole disk image

I ran these commands: VBoxManage clonehd d6b9f0a5-98df-48ca-83c8-91a0809ec349 --format RAW Debian.raw sudo dd if=~/.VirtualBox/HardDisks/Debian.raw of=/dev/sda5 When I try to mount the partition, I ...
0
votes
0answers
151 views

Resources to learn Linux? [duplicate]

Possible Duplicate: Good Introductory resources for linux I have no experience with any Linux operating system and I just put Ubuntu on my MacBook Pro. What would you professionals ...
5
votes
2answers
696 views

Xen/KVM/LXC for testing packages

On Debian Stable, I would like to be able to create a new instance of the OS, use apt-get to install some Unstable packages with dependencies, then cleanly delete the whole thing when I'm done. ...
10
votes
3answers
2k views

What's causing VirtualBox OSE to hang my machine?

I'm using VirtualBox OSE and recently, when I run Ubuntu 10.10 on it, my machine tends to hang, forcing me to hard-reset it (not good). How do I start finding where the problem is? Here's the last ...
5
votes
7answers
3k views

Find out if the OS is running in a virtual environment

Is there any way to find out if the OS I'm running (actually installing) is running in a VMWare machine. I need to disable ntp settings if the automated install is done on a virtual machine but keep ...
5
votes
2answers
714 views

Good tutorial for setting up a KVM/Xen box and advice on which would be better

I've got a dual xeon, 2GB, 75GB hd server that I'd like to turn into my dedicated virtual environment. Currently I'm using VirtualBox locally to run a mock cluster for Cassandra and Nginx/Haproxy, ...
1
vote
1answer
2k views

Configuring the display properties on openSuse (Gnome) running as VirtualBox VM

I just created a VM using Suse Studio and I built just a simple openSUSE 11.3 VM based on the gnome template. I have not added any other software (except for Firefox and the Kernel modules, to be able ...