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Questions tagged [virtualization]

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0
votes
1answer
23 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
27 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, ...
1
vote
0answers
35 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
40 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
87 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 ...
2
votes
2answers
80 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 ...
0
votes
1answer
32 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" ...
4
votes
1answer
81 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
815 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
24 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
78 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
128 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 ...