002 - Configuration files

Configurations files directory:

root@kvm-host1:~# ls -lh /etc/libvirt/
total 92K
drwxr-xr-x 2 root root 4.0K Mar 12 19:11 hooks
-rw-r--r-- 1 root root  547 Mar 12 19:11 libvirt.conf
-rw-r--r-- 1 root root  16K Mar 12 19:11 libvirtd.conf
-rw-r--r-- 1 root root 1.9K Mar 12 19:11 libxl.conf
-rw-r--r-- 1 root root 2.2K Mar 12 19:11 libxl-lockd.conf
-rw-r--r-- 1 root root 1.2K Mar 12 19:11 lxc.conf
drwxr-xr-x 2 root root 4.0K Apr 27 19:23 nwfilter
drwxr-xr-x 3 root root 4.0K Apr 27 19:22 qemu
-rw------- 1 root root  25K Mar 12 19:11 qemu.conf
-rw-r--r-- 1 root root 2.2K Mar 12 19:11 qemu-lockd.conf
-rw-r--r-- 1 root root 2.5K Mar 12 19:11 qemu-sanlock.conf
-rw-r--r-- 1 root root 2.1K Mar 12 19:11 virtlockd.conf
-rw-r--r-- 1 root root 2.0K Mar 12 19:11 virtlogd.conf
-rw-r--r-- 1 root root 1.9K Mar 12 19:11 virt-login-shell.conf

libvirt configuration file:

root@kvm-host1:~# cat /etc/libvirt/libvirt.conf 
#
# This can be used to setup URI aliases for frequently
# used connection URIs. Aliases may contain only the
# characters  a-Z, 0-9, _, -.
#
# Following the '=' may be any valid libvirt connection
# URI, including arbitrary parameters

#uri_aliases = [
#  "hail=qemu+ssh://root@hail.cloud.example.com/system",
#  "sleet=qemu+ssh://root@sleet.cloud.example.com/system",
#]

#
# These can be used in cases when no URI is supplied by the application
# (@uri_default also prevents probing of the hypervisor driver).
#
#uri_default = "qemu:///system"

qemu configuration file:

root@kvm-host1:~# head -n5 /etc/libvirt/qemu
qemu/              qemu.conf          qemu-lockd.conf    qemu-sanlock.conf
root@kvm-host1:~# head -n5 /etc/libvirt/qemu.conf 
# Master configuration file for the QEMU driver.
# All settings described here are optional - if omitted, sensible
# defaults are used.

# Use of TLS requires that x509 certificates be issued. The default is

VMs related files directory:

root@kvm-host1:~# ls -lh /var/lib/libvirt/
total 16K
drwx--x--x 2 root         root         4.0K Mar 12 19:11 boot
drwx--x--x 2 root         root         4.0K Mar 12 19:11 images
drwxr-x--- 7 libvirt-qemu libvirt-qemu 4.0K Apr 27 19:23 qemu
drwx------ 2 root         root         4.0K Mar 12 19:11 sanlock

Networks XML files:

root@kvm-host1:~# cat  /etc/libvirt/qemu/networks/default.xml
<!--
WARNING: THIS IS AN AUTO-GENERATED FILE. CHANGES TO IT ARE LIKELY TO BE
OVERWRITTEN AND LOST. Changes to this xml configuration should be made using:
  virsh net-edit default
or other application using the libvirt API.
-->

<network>
  <name>default</name>
  <uuid>ed591bbd-b708-479d-80cf-7675ec082d86</uuid>
  <forward mode='nat'/>
  <bridge name='virbr0' stp='on' delay='0'/>
  <mac address='52:54:00:eb:57:95'/>
  <ip address='192.168.122.1' netmask='255.255.255.0'>
    <dhcp>
      <range start='192.168.122.2' end='192.168.122.254'/>
    </dhcp>
  </ip>
</network>