All Questions
73
questions
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
0
votes
1
answer
2k
views
Escape from guest CentOS by Ctrl+Alt+Del in VirtualBox
I use CentOS 7 as a guest OS in VirtualBox (host is Windows 10). When the mouse cursor is in the guest OS, the only way to get out of it seems to be Ctrl+Alt+Del. Sometime double cliking Right Control ...
- 2,083
2
votes
3
answers
5k
views
Virtual Box 'VERR_SSM_LOAD_CONFIG_MISMATCH' error when restoring a snapshot
Since I had a hard time finding an answer online, I decided to make a question here, and answer it myself, so maybe it helps someone:
I have a VirtualBox 6.1 installed on Windows 10, trying to run ...
- 131
0
votes
1
answer
1k
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Linux CentOS installation will not start in VirtualBox
I downloaded CentOS 8 ISO (That had dvd1 postfix). This is biggest image so I guess this has everything.
I am installing this on VirtualBox 6.1, it boots up, I select install but all I get is this ...
- 1,753
0
votes
1
answer
214
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Cannot ssh and ping into my CentOS VirtualBox
I downloaded the virtualbox image from this website: https://www.osboxes.org/centos/#centos-782003-info I uses CentOS 7.8.2003 I am able to start the VirtualBox but I cannot ssh into it. Then, I ...
- 101
0
votes
0
answers
186
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How to make window maximum on VirtualBox and how to install KDE on CentOS 8.1?
Installed CentOS 8.1 on VirtualBox 6.1.
Have installed Guest Additions(Devices -> Install Guest Additions CD image...) to CentOS, but after reboot, it still can't make maximum size.
The second time ...
- 113
17
votes
7
answers
73k
views
Guest additionals: Kernel headers not found for target kernel
I've been having a difficult time getting Guest Additions to install on my Oracle Linux 7. I have VirtualBox version 6.1.4.
I have guest additions version 6.0.4
The machine had 4.14.35-1902.7.3.1 ...
- 171
1
vote
2
answers
11k
views
VirtualBox Guest Additions 6.0.10: modprobe vboxguest failed
I'm having "issue" while installing VirtualBox Guest Additions 6.0.10 on CentOS 8.
[VBox_GAs_6.0.10]# ./VBoxLinuxAdditions.run will end up with following error
[VBox_GAs_6.0.10]# cat /var/log/...
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
0
votes
0
answers
158
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Can't ssh from macbook pro to CentOS installed on a VirtualBox
After executing:
ssh demo@localhost -p 10022 -v
The trace looks like this:
OpenSSH_7.9p1, LibreSSL 2.7.3
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config ...
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
118
views
Install packages on centos 7.2 based on packages installed on other centos
I have a centos 7.2 installed on virtualbox, and my customer have a centos 7.2 too. I written a program fir customer and for technical reasons they can not build source on their system. For that I ...
- 101
15
votes
3
answers
35k
views
VirtualBox "Auto resize guest display" greyed out
I have a virtual machine on VirtualBox (version 6.0.6), guest system CentOS 7, host system Windows 10. Extension pack is installed. Graphics controller is VBoxVGA.
I followed the steps here for ...
- 624
0
votes
1
answer
1k
views
NGINX refused to connect localhost on CentOS VM
I am running Centos7 on a VM as a guesthost on a MAC. I have followed the following tutorial
https://www.digitalocean.com/community/tutorials/how-to-install-nginx-on-centos-7
I have two network ...
0
votes
1
answer
758
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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 ...
