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Virtuozzo creates multiple isolated Virtual Private
Servers (VPSs) on a single physical server to share hardware, licenses
and management effort with maximum efficiency. Each VPS performs
and executes exactly like a stand-alone server for its users and
applications as it can be rebooted independently and has its own
root access, users, IP addresses, memory, processes, files, applications,
system libraries and configuration files.
Light
overhead and efficient design of Virtuozzo makes it the right
virtualization choice for
production servers with live applications and real-life data. |
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A VPS behaves exactly like an isolated stand-alone server
- Appears to have its own processes, users, files and
provides full root access
- Each has its own IP addresses, port numbers, tables,
filtering and routing rules
- Each could have its own configuration files for the
system and app software
- Each could have its own versions of system libraries
- Each could delete, add, modify any file, including
files in /root, and install its own application
software or
custom configure/modify root application software
Virtuozzo features
- Dynamic partitioning of physical servers into
multiple Virtual Private Servers with full
dedicated server
functionality
- Fully
isolated Virtual Private Servers with guaranteed
min/max values for CPU, I/O, memory, disk space,
etc
- OS
and applicating templating enables automated mass
deployment of OS updates and applications
to multiple
Virtual Private Servers
- Named-based hosting support for HTTP, FTP, POP3
and SMTP
- Web-based administration through Virtuozzo
Power Panel. Users can reboot an individual
VPS, stop
and restart
services, monitor resource usage and perform
backup/restores.
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Can
I have my own nameservers?
Yes, one per IP.
What
is the performance overhead of this software?
Near zero. There is no emulation layer, only security isolation, and all checking
is done on the kernel level without context switching. In fact, some tests
show slight improvement of performance under Virtuozzo.
How
much of the processor will I be able to use with this
VPS system?
While RAM and HDD space is dedicated to each VPS account, your services can
use whatever processor power is available at any given time.
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