Linux Virtualization Configuration: Difference between revisions

From NovaOrdis Knowledge Base
Jump to navigation Jump to search
No edit summary
 
(9 intermediate revisions by the same user not shown)
Line 2: Line 2:


* [[Linux Virtualization#Subjects|Linux Virtualization]]
* [[Linux Virtualization#Subjects|Linux Virtualization]]
=/etc/sysconfig/libvirtd=
The configuration file of the [[Linux_Virtualization_Concepts#libvirtd|libvirtd]] service.
=/etc/sysconfig/libvirt-guests=
The configuration file of the [[Linux_Virtualization_Concepts#libvirt-guests|libvirt-guests]] service. Note that the service is not automatically enabled.
==Configure Guests to Gracefully Shut Down==
<pre>
ON_SHUTDOWN=shutdown
SHUTDOWN_TIMEOUT=300
</pre>
==Configure Guests to Start at Boot==
All guests that were running on shutdown can be configured to automatically start on boot, regardless of their autostart settings:
<pre>
ON_BOOT=start
</pre>


=Virtual Switch Configuration=
=Virtual Switch Configuration=
Line 7: Line 30:
==NAT IP Masquerading==
==NAT IP Masquerading==


Shut down the virtual switch before modifying the iptables configuration.
Shut down the [[KVM_Virtual_Networking_Concepts#Virtual_Network_Switch|virtual switch]] before modifying the [[Iptables_Command_Line_Tool_Examples#NAT_IP_Masquerading_Configuration|iptables configuration]].


The public IP ranges for forward mode NAT, in order to create a port masquerading range can be set by running:
The public IP ranges for forward mode NAT, in order to create a port masquerading range can be set by running:

Latest revision as of 20:43, 27 June 2017

Internal

/etc/sysconfig/libvirtd

The configuration file of the libvirtd service.

/etc/sysconfig/libvirt-guests

The configuration file of the libvirt-guests service. Note that the service is not automatically enabled.

Configure Guests to Gracefully Shut Down

ON_SHUTDOWN=shutdown
SHUTDOWN_TIMEOUT=300

Configure Guests to Start at Boot

All guests that were running on shutdown can be configured to automatically start on boot, regardless of their autostart settings:

ON_BOOT=start

Virtual Switch Configuration

NAT IP Masquerading

Shut down the virtual switch before modifying the iptables configuration.

The public IP ranges for forward mode NAT, in order to create a port masquerading range can be set by running:

iptables -j SNAT --to-source [start-ip]-[end-ip]

Organizatorium