Linux Virtualization Configuration: Difference between revisions
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* [[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= | ||
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==NAT IP Masquerading== | ==NAT IP Masquerading== | ||
Shut down the [[KVM_Virtual_Networking_Concepts#Virtual_Network_Switch|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]