Questions tagged [virtualization]
Virtualisation is a form of machine abstraction that creates a simulated, or virtualised, instance of a machine using physical hardware. It provides a very high degree of isolation between multiple machines on the same host.
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vmware/photon with vagrant and virtualbox provider
Im trying to get a vagrant virtualbox vmware/photon up and running but the most basic Vagrantfile emits an error.
Vagrant.configure("2") do |config|
config.vm.box = "vmware/...
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How to setup Mac Studio to host multiple Jenkins agents
I am responsible for the administration of a Jenkins and its infrastructure. We have several software projects that rely on specific Xcode versions and with that rely on specific macOS versions. Now I ...
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How do you distinguish between a timeshare system, a VM, and a container?
A time-share system, a virtual machine and a container all seem very similar. How do you materially and meaningfully distinguish between them? What are the merits, benefits and drawbacks of each ...
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vagrant up command fails to find any box
The issue:
For any vagrant box, whenever I run the vagrant up command, I get the following error:
This even happened when I tried the centos/7 box instead.
What I have tried:
Tried having VirtualBox ...
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How to use Vagrant and Vagrantfiles on the beta version of Virtualbox on a Mac with the M1 or M2 chip?
I am trying to recreate some of the previous DevOps projects that I had previously created while using Parallels as my virtualization tool.
However, I saw that last month that Oracle released a new ...
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Minimum laptop requirements for devops learning
I started learning devops technologies, but I encountered a problem with my laptop on the first labs, I cant provision more than 3 VMs in Vagrant, and I found out that my processor is not sufficient, ...
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Docker vs Virtualisation
I am trying to understand the underlining architecture of Docker. The diagram that's been shown everywhere claims that in contrast with Virtualisation technologies such as "VirtualBox", ...
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What is a golden image?
Is there a defacto understanding of what a golden image is? I've had it come up in requirements to satisfy cloud audits. What's the meaning of "Golden" when it comes to audit and compliance,...
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Describe the machine and service infrastructure with a diagram [closed]
We have a provider that manages a Baremetal server where there are many VPSs inside and each VPS manages some services.
We would like to have the infrastructure described in terms of machines (servers,...
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Does RAM Come Into The Container vs VM Decision?
I am currently running a Java trading system on a VM that needs ~32 GB RAM and runs (almost) 24/7.
There are a couple of engines linked to it that require 4GB + 8BG respectively.
I am considering ...
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Where are Docker containers stored on disk?
I'm learning about Docker. I feel stuck at the moment, I think that I have some wrong concepts about how Docker works, and that shadows how it actually works, but I can't really locate the problem. I ...
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Why is it necessary to have virtual machines to run multiple server instances?
I'm trying to learn about virtualization and containers. In an educational video it is said that the introduction of virtual machines was a big deal because it made companies available to run multiple ...
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Is running linux container on windows aws instance possible?
what I'm trying to achieve is running a Linux(ubuntu LST) container inside a windows server 2019 OS.
The problem is that the windows OS runs as an AWS instance.
There have been problem for me trying ...
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Automate custom docker image deployment on AWS
This question is related to my previous one - but a bit more descriptive.
I am trying to build automate the generation and deployment of a docker container. The docker container is created with packer....
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How to automate installing an ISO in a VM?
We're trying to develop CI/CD processes to automate testing and installing our builds. Ya know, as one does in DevOps.
The end result of our build process are ISOs that use Red Hat Kickstart to ...
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Dev environment for legacy Visual Studio code?
I work at a small company that has several legacy projects that all require different versions of visual studio to run. The company has servers on site and I have a small cloud budget. I want to set ...
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What artifact managers are available in GCP?
I use Artifactory and Nexus3, but I wonder what artifact manager could be used in GCP? Is there a managed artifact manager or do I have to run one myself in a VM?
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How can I test native macOS UI software in a container before deployment?
As part of the CI setup, I'd like to run (automated) tests on native macOS GUI software in a 'safe environment' (i.e. without messing with the host software installation too much). Virtual machines (...
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What are the differences between application virtualization, emulation layer, and container virtualization?
What are the differences and relations between application virtualization (such as Flatpak), emulation layer (such as wine, cygwin), and container virtualization (such as Docker)?
I have been trying ...
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How does Vagrant differ from VirtualBox and similar software, if at all?
Both Vagrant and VirtualBox (or their alternatives) seem to me to virtualize an OS on top of another OS,
How do they differ from one another essentially, if at all?
user5176
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Are all virtualization (OS/above-OS) utilities DevOps utilities?
Are all virtualization (OS/above-OS) utilities commonly considered DevOps utilities?
These could be OS virtalization utilities like VirtualBox and Vagrant and maybe also WSL is considered as such and ...
user5176
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How to install docker in Raspbian Virtual Machine
I first installed docker in raspberry pi using: https://iotbytes.wordpress.com/setting-up-docker-on-raspberry-pi-and-running-hello-world-container/
which successfully did.
I tried doing the same with ...
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Open source private cloud VM provisioning for container workload
There is a new generation of tooling developed that tries to integrate different IaaS providers (Azure/AWS/GCE/DigitalOcean) into one "infrastructure codebase". It's dubbed "Cloud Native" and it's ...
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Do not show all docker containers to a particular user
I want to use one server to host multiple docker-containers. I want to give another user a possibility to manage new docker-containers, but I do not want to give him access to all other containers, ...
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KATA vs NABLA Containers Isolation [closed]
I am struggling with retrieving the difference between :
KATA
and
IBM NABLA.
Or better, what is the added value of the one over the other?
Both come with enhancement of containers isolation: ...
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Possibility of container breakout compared to VM (virtual machines)
What is exactly the (higher) vulnerability at least theoretically of a container compared to VM? given, all security recommendations are implemented (like, user context is root, no host sensitive ...
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Other tools to provision virtual machines
I've been using vagrant for provisioning virtual machines (Linux only) and so far I've been happy with it. The two things I dislike about it - the hardcoded dependency on the user vagrant as well as ...
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How do I autostart Jenkins agent machines?
To save money, I would like a large number of agent machines to be stopped and started up only when needed. Better yet, a single VM should be copied and launched on demand.
I am using Google Cloud ...
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Error starting cloned VM in Vsphere Client
I cloned a VM in Vsphere Client as described here. When I try to start it, it unexpectedly reboot over and over itself. I get this error in console:
Call "EnvironmentBrowser.QueryTargetCapabilities" ...
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Pause/Suspend guest in KVM without virsh and libvirtd
I have installed KVM without libvirt/virsh and virtualmanager.
Packages which installed are kvm qemu-kvm bridge-utils libguestfs-tools
How can I pause/suspend VM in this case?
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How to test VM provisioning script without provisioning
Currently I'm on a state that testing costs me money and a lot of time...
Background: I'm deploying VMs at softlayer and using a post-deployment script(bash) that will install every software that I ...
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Scheduling collisions possible in IaC - Infrastructure as Code - solutions vs. software defined data center?
To clarify the terms first,
Infrastructure as Code (IaC) can be delivered with upcoming technologies like Docker Swarm, Kubernetes, OpenShift, OpenStack and possiby some others run on bare metal. - ...
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Error Vagrant Provisioning with Virtual Box on Fedora
I'm Provisioning Vagrant Box with Virtual-box on Fedora 26.
$ vagrant -v
Vagrant 1.9.1
$ virtualbox -v
virtualbox 5.1
Below is the error;
muhammadtaqi@localhost etc]$ vagrant up
Bringing machine '...
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Debug Docker DNS
In a stack with higher number of services it seems that Docker DNS does not work anymore which leads to effects that container's names are not known even to themselves.
While I have filed this bug, I ...
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