Questions tagged [virtualization]

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2
votes
1answer
20 views

What artifact managers are available in GCP?

I use artifactory and nexus, 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?
1
vote
0answers
10 views

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 (...
0
votes
0answers
16 views

Interface from systemd-machined.service to container and VM managers

machinectl(1) states the following: systemd-machined.service(8) also interfaces with a variety of other container and VM managers, systemd-nspawn is just one implementation of it. What are the ...
1
vote
2answers
41 views

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 ...
1
vote
1answer
29 views

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?
2
votes
1answer
60 views

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 ...
1
vote
1answer
29 views

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 ...
2
votes
2answers
108 views

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 ...
-1
votes
1answer
48 views

2 IP addresses for one machine, which would allow to expose 2 services on the same port, but on different ip

I am using SoYouStart dedicated server (from OVH family). I bought another ip. I added auto eth0:0 iface eth0:0 inet static address xxx.xxx.20.182 netmask 255.255.255.255 ...
2
votes
1answer
34 views

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, ...
2
votes
0answers
106 views

KATA vs NABLA Containers Isolation

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: ...
1
vote
1answer
66 views

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 ...
5
votes
3answers
101 views

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 ...
3
votes
2answers
183 views

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 ...
1
vote
1answer
35 views

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" ...
5
votes
1answer
113 views

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?
10
votes
3answers
870 views

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 ...
2
votes
1answer
28 views

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. - ...
2
votes
1answer
99 views

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 '...
1
vote
1answer
296 views

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 ...