Tags » Libguestfs

Fedora 26 is out, virt-builder images available

Fedora 26 is released today. virt-builder images are already available for almost all architectures:

$ virt-builder -l | grep fedora-26
fedora-26                aarch64    Fedora® 26 Server (aarch64)
fedora-26                armv7l     Fedora® 26 Server (armv7l)
fedora-26                i686       Fedora® 26 Server (i686)
fedora-26                ppc64      Fedora® 26 Server (ppc64)
fedora-26                ppc64le    Fedora® 26 Server (ppc64le)
fedora-26                x86_64     Fedora® 26 Server
… 49 more words

virt-builder Debian 9 image available

Debian 9 (“Stretch”) was released last week and now it’s available in virt-builder, the fast way to build virtual machine disk images:

$ virt-builder -l | grep debian
debian-6                 x86_64     Debian 6 (Squeeze)
debian-7                 sparc64    Debian 7 (Wheezy) (sparc64)
debian-7                 x86_64     Debian 7 (Wheezy)
debian-8                 x86_64     Debian 8 (Jessie)
debian-9                 x86_64     Debian 9 (stretch)

$ virt-builder debian-9 \
    --root-password password:123456
[   0.5] Downloading: http://libguestfs.org/download/builder/debian-9.xz
[   1.2] Planning how to build this image
[   1.2] Uncompressing
[   5.5] Opening the new disk
[  15.4] Setting a random seed
virt-builder: warning: … 50 more words

New in libguestfs: Rewriting bits of the daemon in OCaml

libguestfs is a C library for creating and editing disk images. In the most common (but not the only) configuration, it uses KVM to sandbox access to disk images. 380 more words

How many disks can you add to a (virtual) Linux machine? (contd)

In my last post I tried to see what happens when you add thousands of virtio-scsi disks to a Linux virtual machine. Above 10,000 disks the qemu command line grew too long for the host to handle. 501 more words

How many disks can you add to a (virtual) Linux machine?

><rescue> ls -l /dev/sd
Display all 4001 possibilities? (y or n)

Just how many virtual hard drives is it practical to add to a Linux VM using qemu/KVM? 621 more words

New in virt-v2v: Import from .vmx files

Virt-v2v converts guests from VMware to KVM, installing any necessary virtio drivers to make the guest work optimally on KVM.

A new feature in virt-v2v 1.37.10 is the ability to… 450 more words

Tip: Run virt-inspector on a compressed disk (with nbdkit)

virt-inspector is a very convenient tool to examine a disk image and find out if it contains an operating system, what applications are installed and so on. 153 more words