<s>
openMosix	B-Operating_System
was	O
a	O
free	B-Application
cluster	B-Architecture
management	O
system	O
that	O
provided	O
single-system	B-Operating_System
image	I-Operating_System
(	O
SSI	O
)	O
capabilities	O
,	O
e.g.	O
</s>
<s>
automatic	O
work	O
distribution	O
among	O
nodes	B-Protocol
.	O
</s>
<s>
It	O
allowed	O
program	O
processes	B-Operating_System
(	O
not	O
threads	B-Operating_System
)	O
to	O
migrate	O
to	O
machines	O
in	O
the	O
node	O
's	O
network	B-Architecture
that	O
would	O
be	O
able	O
to	O
run	O
that	O
process	O
faster	O
(	O
process	B-Operating_System
migration	I-Operating_System
)	O
.	O
</s>
<s>
It	O
was	O
particularly	O
useful	O
for	O
running	O
parallel	O
applications	O
having	O
low	O
to	O
moderate	O
input/output	B-General_Concept
(	O
I/O	B-General_Concept
)	O
.	O
</s>
<s>
It	O
was	O
released	O
as	O
a	O
Linux	B-Operating_System
kernel	I-Operating_System
patch	O
,	O
but	O
was	O
also	O
available	O
on	O
specialized	O
Live	O
CDs	O
.	O
</s>
<s>
openMosix	B-Operating_System
development	O
has	O
been	O
halted	O
by	O
its	O
developers	O
,	O
but	O
the	O
LinuxPMI	B-Operating_System
project	O
is	O
continuing	O
development	O
of	O
the	O
former	O
openMosix	B-Operating_System
code	O
.	O
</s>
<s>
openMosix	B-Operating_System
was	O
originally	O
forked	O
from	O
MOSIX	B-Operating_System
by	O
Moshe	O
Bar	O
on	O
February	O
10	O
,	O
2002	O
when	O
MOSIX	B-Operating_System
became	O
proprietary	B-Application
software	I-Application
.	O
</s>
<s>
openMosix	B-Operating_System
was	O
considered	O
stable	O
on	O
Linux	O
kernel	B-Operating_System
2.4.x	O
for	O
the	O
x86	B-Operating_System
architecture	I-Operating_System
,	O
but	O
porting	O
to	O
Linux	B-Operating_System
2.6	I-Operating_System
kernel	B-Operating_System
remained	O
in	O
the	O
alpha	O
stage	O
.	O
</s>
<s>
Support	O
for	O
the	O
64-bit	O
AMD64	B-Device
architecture	O
only	O
started	O
with	O
the	O
2.6	O
version	O
.	O
</s>
<s>
single	B-Operating_System
system	I-Operating_System
image	I-Operating_System
(	O
SSI	O
)	O
clustering	O
as	O
low-cost	O
multi-core	B-Architecture
processors	I-Architecture
increase	O
in	O
availability	O
.	O
</s>
<s>
OpenMosix	B-Operating_System
used	O
to	O
be	O
distributed	O
as	O
a	O
Gentoo	B-Application
Linux	I-Application
kernel	B-Operating_System
choice	O
,	O
but	O
it	O
was	O
removed	O
from	O
Gentoo	B-Application
Linux	I-Application
's	O
Portage	B-Application
tree	O
in	O
February	O
2007	O
.	O
</s>
<s>
As	O
of	O
March	O
1	O
,	O
2008	O
,	O
openMosix	B-Operating_System
read-only	O
source	O
code	O
is	O
still	O
hosted	O
at	O
SourceForge	O
.	O
</s>
<s>
The	O
LinuxPMI	B-Operating_System
project	O
is	O
continuing	O
development	O
of	O
the	O
former	O
openMosix	B-Operating_System
code	O
.	O
</s>
<s>
ClusterKnoppix	O
is	O
a	O
specialized	O
Linux	B-Application
distribution	I-Application
based	O
on	O
the	O
Knoppix	O
distribution	O
,	O
but	O
which	O
uses	O
the	O
openMosix	B-Operating_System
kernel	B-Operating_System
.	O
</s>
<s>
Traditionally	O
,	O
clustered	B-Architecture
computing	I-Architecture
could	O
only	O
be	O
achieved	O
by	O
setting	O
up	O
individual	O
rsh	B-Protocol
keys	O
,	O
creating	O
NFS	B-Protocol
shares	O
,	O
editing	O
host	O
files	O
,	O
setting	O
static	O
IPs	O
,	O
and	O
applying	O
kernel	B-Operating_System
patches	O
manually	O
.	O
</s>
<s>
The	O
distribution	O
contains	O
an	O
autoconfiguration	O
system	O
where	O
new	O
ClusterKnoppix-running	O
computers	O
attached	O
to	O
the	O
network	B-Architecture
automatically	O
join	O
the	O
cluster	B-Architecture
.	O
</s>
<s>
ClusterKnoppix	O
is	O
a	O
modified	O
Knoppix	O
distro	O
using	O
the	O
OpenMosix	B-Operating_System
kernel	B-Operating_System
.	O
</s>
