All Questions
38
questions
0
votes
0
answers
461
views
The computer's hostname is not set correctly
So I wanted to connect my centos VM to my Windows Server VM that is currently hosting my Active Directory Server (both are on Host-Only Network). I know that the server is working, up and running, and ...
- 1
1
vote
1
answer
3k
views
Sign virtual box modules (vboxdrv, vboxnetflt, vboxnetadp, vboxpci) Centos 8
I started using Centos 8 recently, and I installed VirtualBox to manage my virtual machines, the problem that I encountered with is that my VirtualBox couldn't boot any VMs and it told me to execute ...
- 121
-2
votes
1
answer
115
views
Why is user asked for subscription to use Linux on AWS? [closed]
From my thinking long until now, Linux is always free (except Red hat, that comes with support).
I'm trying to launch an instance on AWS EC2, but it is asking me to subscribe for a Linux AMI, which is ...
- 731
0
votes
2
answers
221
views
Having trouble connecting ssh to linux
I am only starting to learn how to use linux but I cannot connect ssh to my virtual linux installed through VMware. I tried pinning 192.168.211.132 from my windows but it shows request timed out. I ...
- 101
0
votes
2
answers
4k
views
Access denied when trying to SSH into VM as root
Starting today, when I try to connect to my CentOS VM as root, using Putty, or indeed any SSH client, I can no longer login. The connection is made, but the login itself fails. I know for a fact that ...
- 113
1
vote
1
answer
27
views
Pulling packages from a CentOS VM in Virtual Box down to a host OS
I am looking to get a specific list of packages uploaded to an offline CentOS VM. To do this, I am spinning up a networked CentOS VM in Virtual Box to download the correct packages. Is there an easy ...
- 125
0
votes
1
answer
295
views
VirtualBox CentOS Python GUI program needs to run on boot without logging in and output audio
I have a web service running in a VM (virtualBox) on CentOS (in the VM).
To access it, I use a browser on the host machine (Windows).
I have a Python script that outputs audio from the VM and launches ...
1
vote
0
answers
1k
views
job state=failed reason=nonzero exit code, SLURM
I'm new to Slurm, I have been trying to run a simple job.
I'm running Slurm on top of a VM.
Here's my slurm.conf:
SlurmctldHost=master
#SlurmctldHost=
#
#DisableRootJobs=NO
#EnforcePartLimits=NO
#...
- 11
0
votes
1
answer
1k
views
Unable to start a VM as a non-root user? Complains about the dac security driver?
I have a VM on a CentOS KVM server. If I try to start the VM as a non-root user, I get the error:
$ virsh create VM.xml
error: Failed to create domain from VM.xml
error: unsupported configuration: ...
- 41
0
votes
1
answer
760
views
SSH to CentOS VirtualBox from PuTtY on an External Windows System
I have created a VM on my personal machine and the VM is running CentOS and I can ssh to that machine from my local Windows 10 machine via PuTty. However, I am not sure of how to ssh to the VM from a ...
1
vote
1
answer
481
views
how do I ssh Linux VM over virtualbox from windows
I spin up a Centos7 virtual machine over Virtualbox and trying to access via ssh from putty over windows from another machine in a same network, below are the details of my VM:
IP addresses:
Windows ...
- 111
1
vote
1
answer
849
views
CentOS 7 Virtualbox VM SSH Connection Suddenly Refused
I am new to linux and am working with a minimal CentOS 7 installation on a VM running on Virtualbox with a Win10 host.
Up until today, I was able to use PuTTy and WinSCP to SSH into the VM from the ...
- 11
2
votes
0
answers
2k
views
Unable to run commands such as hostnamectl in centos 7 Virtual Machine
I have a Centos 7 image running as a virtual machine (not as a Docker image).
When the VM boots up, it uses systemctl to start several services, one of which is my application that tries to set the ...
- 121
0
votes
1
answer
1k
views
Set static IP for virtual machine on centos
I need to set static IP addresses on my virtual machines in VirtualBox.
My host OS - Ubuntu, guest OS - CentOS 7. And the main condition - I have to ping my guest machines from a host (and they have ...
2
votes
1
answer
384
views
How point a directory in a Headless CentOS guest (on VirtualBox) to a directory on the host machine?
I have the following setup:
HOST MACHINE: openSUSE LEAP (KDE) Linux
GUEST MACHINE: CentOS 7 (no GUI, command line only)
VM: VirtualBox 5.1.4
I have a directory on my host machine called ~/...
- 642
0
votes
1
answer
236
views
Recovery of a virtual machine (Centos, Windows, Oracle Virtual Box)
By mistake, I have deleted all files in my c:\linux\ folder where I had wmdk files corresponding to a virtual machine. Fortunately, there were in the recycle bin and I simply recovered them. ...
- 101
0
votes
1
answer
1k
views
Centos Vm on Virtualbox doesn't know network interfaces
I'm trying to use a Centos Vm imported in Virtual boxes.The host machine is also Ubuntu.
The problem is that I've configured Virtual box network adapters and I've tested all interface types in my Vm ...
- 103
0
votes
1
answer
2k
views
Virtualbox VRDP does not work when External authentication is selected
I have a CentOS 7 installation running Virtualbox 5.1.8, and the Oracle VM Virtualbox Extension Pack 5.1.8 is also installed. I have a few guests (CentOS as well) running and I would like to access ...
- 406
0
votes
1
answer
37
views
Does it make sense to share /usr as NAS over VMs?
I'm anticipating a number of almost heterogenous VMs. They will have the same installed applications but different configurations and application data.
It seems to me that it's probably possible for ...
- 2,228
7
votes
1
answer
26k
views
Updating the screen resolution in centos7 in Hyper-V
I am unable to update my display resolution of Centos7 which was installed in the Hyper-v of Windows 8.1.
Earlier I have faced the same problem in VirtualBox but it was resolved after installing ...
- 451
-2
votes
1
answer
885
views
Install a windows VM on my CentOS server [closed]
I have a dedicated server with a centOS installed. I need a windows environment. I just thought if it would be possible to install a Windows virtual machine and use remote desktop to connect to it.
I ...
- 97
3
votes
1
answer
321
views
Resize LVM on KVM CentOS 6 VM
I've got a base image that I'm booting my VM's from. The base image is only 1.5GB. Different VM's will have different requirements for disk space. I've setup the VM with the default setting:
VolGroup
...
- 258
1
vote
2
answers
966
views
Can access VM Guest IP from Host but not from other computer on same LAN
I am hosting a web application on a Linux (CentOS 6.7) Virtual Machine guest, that is sitting on a Windows 7 host. I have configured a bridged network connection between the host and the guest, and ...
- 163
0
votes
1
answer
98
views
storing virtual box VMs in multiple partitions in CentOS
A CentOS 7 server has Virtual Box installed, and the default location of the Virtual Machines is in /root/VirtualBox VMs. Is there a way that I can put each virtual machine in a separate partition? ...
- 1
2
votes
1
answer
4k
views
How do I copy large datasets between two VirtualBox virtual machines?
I have two separate CentOS 7 virtual machines running in VirtualBox that is installed in a Windows 8.1 host. How do I transfer large amounts of data from one of the CentOS 7 virtual machines to the ...
- 354
0
votes
1
answer
339
views
How do I configure VirtualBox to launch a VM from an external drive?
What steps do I need to take in order to use VirtualBox to access a CentOS 7 installation that is on a detached hard drive?
Here is the situation:
CentOS 7 and Windows 7 were installed on a PC ...
- 354
1
vote
1
answer
990
views
converting .VDI to .VHD CentOS will not boot
I have a CentOS vm created in VirtualBox. I need to convert it to VHD to use on my hyper-V server. I used the vbox manage tool and the conversion went fine. When i try to boot it up with Hyper-V it ...
- 11
1
vote
1
answer
411
views
Networking for CentOS 6.6 on VirtualBox
I have created 2 guests with 2 Network interfaces each - all 4 of which have the "Attached To:" set to "Internal Network". The aim is to create a simple internal network with no access to the Host (...
- 113
0
votes
1
answer
3k
views
Unable to get kickstart file from http webserver?
I'm trying to get a vm up using a kickstart file. However, whenever the virtual machine initalize, it says it is unable to located the kickstart file from the location provided.
Code to build vm:
...
- 1
4
votes
4
answers
27k
views
CentOS 7 ESXi/VMware Hang on Boot
I installed CentoOS 7.0 1406 on a VMWare ESXi 5.5 hypervisor. I installed "Sever with GUI" and selected KDE. However on boot I get the following messages in under a second, before the process tops (...
- 703