06-23-2008
Sys V or BSD derivated UNIX
I read it was possible to distinguish if UNIX system on the machine is derivated from Sys V or BSD. The instruction said:
ps -ef ... is functional on Sys V
ps ax ... is functional on BSD
But since I don't have any UNIX machine (just Linux) I can't tell how I may use this knowledge in my script.
My idea is that ps -ef returns non-zero exit code on BSD and ps ax returns non-zero exit code on Sys V.
Is my idea right?
Thank you
(it's a question rather more theoretical than practical, I need it to school)
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LEARN ABOUT DEBIAN
sys::virt::interface
Sys::Virt::Interface(3pm) User Contributed Perl Documentation Sys::Virt::Interface(3pm)
NAME
Sys::Virt::Interface - Represent & manage a libvirt host network interface
DESCRIPTION
The "Sys::Virt::Interface" module represents a host network interface allowing configuration of IP addresses, bonding, vlans and bridges.
METHODS
my $name = $iface->get_name()
Returns a string with a locally unique name of the network
$iface->is_active()
Returns a true value if the interface is currently running
my $name = $iface->get_mac()
Returns a string with the hardware MAC address of the interface
my $xml = $iface->get_xml_description()
Returns an XML document containing a complete description of the network's configuration
$iface->create()
Start a network whose configuration was previously defined using the "define_network" method in Sys::Virt.
$iface->undefine()
Remove the configuration associated with a network previously defined with the "define_network" method in Sys::Virt. If the network is
running, you probably want to use the "shutdown" or "destroy" methods instead.
$iface->destroy()
Immediately terminate the machine, and remove it from the virtual machine monitor. The $iface handle is invalid after this call
completes and should not be used again.
CONSTANTS
XML CONSTANTS
The following constants are used when querying XML
Sys::Virt::Interface::XML_INACTIVE
Request the inactive XML, instead of the current possibly live config.
AUTHORS
Daniel P. Berrange <berrange@redhat.com>
COPYRIGHT
Copyright (C) 2006-2009 Red Hat Copyright (C) 2006-2007 Daniel P. Berrange
LICENSE
This program is free software; you can redistribute it and/or modify it under the terms of either the GNU General Public License as
published by the Free Software Foundation (either version 2 of the License, or at your option any later version), or, the Artistic License,
as specified in the Perl README file.
SEE ALSO
Sys::Virt, Sys::Virt::Error, "http://libvirt.org"
perl v5.14.2 2012-05-21 Sys::Virt::Interface(3pm)