If you plan to use 'virsh console' for access to KVM domains from the carrier server you should setup correct guest console device first.
1. Centos6 case
Centos 6 use upstart for configuration of serial consoles (terminals). You can find tip on it in the /etc/inittab configuration file.
Content of default Centos 6 /etc/inittab :
# cat /etc/inittab
# inittab is only used by upstart for the default runlevel.
#
# ADDING OTHER CONFIGURATION HERE ...
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KVM (for Kernel-based Virtual Machine) is a full virtualization solution for Linux on x86 hardware containing virtualization extensions (Intel VT or AMD-V). It consists of a loadable kernel module, kvm.ko, that provides the core virtualization infrastructure and a processor specific module, kvm-intel.ko or kvm-amd.ko. KVM also requires a modified QEMU although work is underway to get the required changes upstream.
Setup serial console device for 'virsh console' (Centos)
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Linux KSM (memory de-duplication)
Good description of Kernel Samepage Merging (KSM) feature:
http://www.ibm.com/developerworks/linux/library/l-kernel-shared-memory/index.html
https://github.com/torvalds/linux/blob/master/Documentation/vm/ksm.txt
http://www.ibm.com/developerworks/linux/library/l-kernel-shared-memory/index.html
https://github.com/torvalds/linux/blob/master/Documentation/vm/ksm.txt
Read more : Linux KSM (memory de-duplication) | Views : 10230 | Replies : 1
KVM GUI - AQEMU
AQEMU is GUI to QEMU and KVM emulators, written in Qt4. The program have user-friendly interface and allows to set up the majority of QEMU and KVM options.
Read more : KVM GUI - AQEMU | Views : 3340 | Replies : 0
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