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1
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2answers
50 views

Virtualization: vCPU pinning with Hyperthreading Host CPU?

I'm using KVM/libvirt on a Linux server with Core i7-2600 CPU, which has the following CPU topology (1 Socket, 4 Cores, 8 Threads): Physical | Logical ---------+-------- Core 0 | 0, 4 Core 1 | 1, ...
0
votes
0answers
86 views

Debian apt install single package from experimental but keep original system upgrades

I'v installed xfce 4.12 on debian jessie from testing by adding the testing repo in /etc/apt/sources.list.d/testing.list File content: deb http://ftp.us.debian.org/debian/ testing main ...
4
votes
3answers
929 views

Install Debian Backports kernel automatically

I've got the following pinnings set: Package: linux-image-amd64 Pin: release a=wheezy-backports Pin-Priority: 1001 Package: * Pin: release a=wheezy-backports Pin-Priority: 499 I get the following ...
0
votes
2answers
357 views

What does cpu-pinning mean in context of KVM hypervisor with multiple virtual machines

I am looking at configuring a KVM hypervisor to have some virtual machines. THe KVM hypervisor has 8 physical cores (16 with HyperThreading). I want to create 8 virtual machines on it but I am not ...
0
votes
1answer
186 views

How to use specific apt repository

I'm trying to install imagemagick package from my own repository. Here is my step-by-step: I created apt repository using reprepro utility with conf: Origin: custom-repo.s3.amazonaws.com Label: ...
2
votes
1answer
43 views

Pinning specific subsection in Debian

I'm trying to pin some packages from a specific subsection (gnome in this case) in Debian jessie. For subsection I mean: gnome, admin, x11, etc… This value is showed by apt-cache in the 'Section' ...
1
vote
1answer
225 views

Package pinning in Debian lenny

I need your advice as I don't know if I hit a bug, or I am misunderstanding something. On a Debian Lenny, I am trying to prevent the installation of two particular packages, when they are requested ...
6
votes
2answers
2k views

kvm and qemu host: Is there a limit for max CPUs (Ubuntu 10.04)?

Today we encountered a really strange behaviour on two identical kvm and qemu hosts (Dell R910). The host systems each have 4 x 10 Cores, which means that 40 physical cores are displayed as 80 within ...