If you're using KVM for virtualization you may notice that your ethernet device that is attached to the bridge may have different names each time KVM restarts, and KVM manages attaching/detaching this interface to the bridge by itself. If you're using standard linux bridge you can check attached ports: brctl show This gives you current … Continue reading KVM Persistent Interface Names
Tag: kvm
KVM Live (Online) External Backups
Ok, even though this can be done with many other methods, I'll explain mine. I'll also provide youtube videos for the procedure and demonstration as well. Unlike offline backups, online backups require minimalist suspend - save - resume actions (hopefully within small amount of time - which depends your modifications and RAM usage) while taking … Continue reading KVM Live (Online) External Backups
Nested Virtualization
Nested virtualization is very important feature if you're using virtual machines for your daily tasks. If you've heard but not know much about it this blog post is for you. You've probably watched the movie "Inception". In this movie you dream in an other dream. This is a nested dream. Virtualization can also be nested … Continue reading Nested Virtualization
KVM Offline Backups
I use KVM in my production servers. But there are some critical questions with KVM usage. Backup process of running virtual machines may be top most question of KVM users. Although, there are many other solutions in the literature, I will discuss more defensive method in this article. Before I move on to details of … Continue reading KVM Offline Backups
Sanallaştırma – KVM
Kernel Virtual Machine (KVM) Sanallaştırmayı bu yazımızda biraz daha açalım. Sanallaştırmayı full-virtualization, para-virtualization ve donanım destekli sanallaştırma olarak üç şeklinde değerlendirebiliriz. 1. Full-virtualization VMWare bu sınıftadır. Temel olarak x86 mimarisi donanım kaynaklarına erişim için ring-0, ring-1, ring-2 ve ring-3 şekinde 4 seviye belirlemiştir. İşletim sistemleri ring-0’da çalışmayı beklemektedirler. ring-0 en yetkili ve bütün kaynaklara erişilebilen … Continue reading Sanallaştırma – KVM
note to self 