Verio Virtual Private Server (VPS)

June 2007 | www.verio.com

Performance, Control,Server (VPS) v3
Verio FreeBSD Virtual Private and Security:
The Benefits of Verio Virtual Private Servers (VPS)

CONTENTS Realize many of the advantages of a dedicated
server — with a lower price tag.
Why outsource hosting?............................. 1

Some alternative approaches...................... 2
Verio Virtual Private Server (VPS)
Linux VPS and FreeBSD VPS overview ... 3 Verio’s commitment to open-source software dates back to the

Verio VPS features ..................................... 4 company’s inception. Over a decade ago, we pioneered virtual private

server technology and introduced the solution based on the FreeBSD®
Flexibility and control ................................ 5

operating system. Today we offer a variety of virtual private server
Security ...................................................... 5
(VPS) and managed private server (MPS) plans to deliver a range of
Plans and pricing ........................................ 6
high-performance, low-maintenance Web hosting services.

Conclusion ................................................. 7

In this paper, we’ll explain the features and benefits of the Verio

VPS solution, which allows companies to achieve high levels of

performance, control, and security with an affordably priced hosting

Verio and the Verio logo are trademarks and/or service
plan. The paper covers both FreeBSD-based and Linux-based VPS
marks of Verio Inc. in the United States and other
countries. Linux® is the registered trademark of Linus
Torvalds in the U.S. and other countries. The mark hosting solutions and the benefits they deliver for a wide range of
FreeBSD is a registered trademark of The FreeBSD
Foundation and is used by Verio Inc. with the permission
of The FreeBSD Foundation. Unix is a registered
trademark of The Open Group. Red Hat is a registered
business needs and applications.
trademark of Red Hat, Inc. in the United States and other
countries. All other names are trademarks or registered
marks of their respective owners. ©2007 Verio Inc. All
rights reserved.

Performance, Control, and Security:

2

COMMON SERVER APPLICATIONS
Virtual private servers are commonly used for a great variety of applications:

• Host an e-commerce Website • Host an online game site
• Support a corporate intranet • Manage an email system
• Build a custom development • Create a customer support
environment tracking system
• Provide Web-based calendaring • Back up important data
• Provide multimedia applications • Host multiple Websites

protected “space” that operates as an the solution offers little scalability
A flexible solution independent server. The VPS behaves and therefore fails to provide an
for addressing many like a stand-alone physical server so it easy growth path. Management of
offers excellent security, performance, these types of systems tends to be
challenges and flexibility. complex.
Businesses rely on outsourced
hosting for a variety of reasons: Because of operating system-level • Paravirtualization — This server
server virtualization, secure virtual technology allows clients to run
• Small businesses have little or environments can coexist on a single multiple modified operating systems.
no IT staff available for server physical server, while each account A virtual machine monitor manages
management. operates in isolation. the server resources, which are
shared. This approach will deliver
• Web designers, developers, and superior performance compared to
systems integrators often have A couple of alternative approaches
to operating system-level server hardware emulation, but because
limited time for learning new operating systems must be modified,
languages and tools. virtualization are available, but to
resource allocation is static, meaning
employ each of these calls for making
• Hosting service providers (HSPs) scalability is limited.
some form of compromise.
and VARs demand the highest levels
of reliability and support. Verio VPS delivers the flexibility
• Hardware emulation — Also required to achieve the control,
• ASPs and software vendors require
referred to as “virtual machine performance, security, and reliability
the most secure, up-to-date, and
technology,” hardware emulation your business demands.
powerful applications.
can run almost any operating system
Verio VPS delivers a private, without extensive modification, but


3

Run the operating system that works for you
Verio VPS solutions offer both Linux® and FreeBSD options.

Linux® VPS FreeBSD® VPS
Linux now garners a significant Businesses that favor FreeBSD-
share of the OS market, and its based applications have the option to
adoption rate continues to escalate. select Verio FreeBSD VPS.

• Developed and released under the • As the name suggests, the
GNU General Public License, the FreeBSD operating system is free
source code for Linux is available of charge and comes with full
to everyone at no cost. source code.
• A Unix®-like OS, Linux is highly • FreeBSD offers advanced
functional, adaptable, and robust. networking, performance, security,
Developers can easily extend and compatibility features, many of
functionality with e-commerce, which are absent from commercial
databases, and a wide variety of offerings.
applications.
• FreeBSD is a very economical
• The Linux developer community alternative to commercial Unix
is very large, so there are a great workstations. It is easy to install
many Linux applications now and well suited for a great number
available. Governments around the of server applications.
world are now endorsing Linux as
the OS of choice.
FreeBSD Unix is derived from the
Berkeley Software Distribution
Verio Linux VPS features Red
(BSD) of Unix and distributed
Hat® Enterprise Linux (RHEL),
under the terms of the FreeBSD
a widely used OS based on open
Foundation. FreeBSD VPS utilizes:
standards. The RHEL operating
system provides support for a GNU
• FreeBSD Unix, a widely
compiler collection (GCC) and
implemented corporate Unix
Red Hat Package Manager (RPM).
standard
Those familiar with open-source
• FreeBSD version 6.0
software applications are likely to
find it easy to perform basic essential • The Unix File System 2
configuration, administration, and
trouble-shooting tasks.


4

Verio VPS: More performance, memory, and network resources. technology in that it always runs the
Each is allocated its “fair share” same OS kernel as the host system.
less management and insulated from others on the This approach enables running VPS
Verio virtualization software
same server, thereby protecting accounts with near-zero overhead,
partitions the resources of a physical
the individual account from the so you realize an order of magnitude
server such that each user, or VPS
misbehavior of others. A fault in higher efficiency and manageability.
account, realizes performance
one application running within a
benefits that could otherwise
VPS account does not affect any High application performance
be realized only with an actual
applications running on other VPS
dedicated server. and stability
accounts on the same physical
Verio VPS is an enterprise-class
server.
In addition, the Verio solution platform, which delivers open
helps customers avoid many of the source technology and stability.
Each VPS is allocated its own disk
management hassles commonly The platform’s use of FairShare
space and processes, which cannot
associated with dedicated hardware technology balances server loads to
be abused by a “neighboring”
resources. In short, Verio VPS make Verio VPS supremely reliable.
account. Usage thresholds are put in
delivers a unique combination of
place and enforced. As a result, your
performance, control, security, and The solution supports a host of
Websites and applications perform
manageability. mission-critical applications and
consistently and reliably.
tools. A “skel” package of core
services is preconfigured with each
FairShare technology: The A brief technical overview of account, including:
high-performance approach the virtualization features
to resource management Verio VPS is built on a software
architecture of operating system- • Hypertext Transfer Protocol
Verio FairShare technology
level virtualization, which differs (HTTP) and HTTPS
manages how each VPS uses system
resources such as processing power, from the traditional virtual machine • Simple Mail Transfer Protocol

Technical highlights of • From an “applications” point of view, each VPS is an independent system by
virtue of a virtualization layer in the kernel of the host OS, which is installed
Verio VPS include: on a hardware node.
• VPS systems behave like a dedicated system with standard startup scripts.
• Software runs inside a VPS without operating system-level, virtualization-
specific modifications or adjustment.
• Users can change any configuration file and install additional software.
• Each VPS has its own IP address, so the network virtualization layer isolates
each VPS account, making traffic “snooping” impossible.
• Advanced routing features are supported.


5

(SMTP), Post Office Protocol • Install, customize, and run almost
(POP), and Internet Message any custom or off-the-shelf
Access Protocol (IMAP) for email application.
DEFAULT APPLICATIONS
• File Transfer Protocol (FTP) • Host multiple sites with separated
Many applications come installed
• Shell access tools: Telnet domains.
by default with your Verio VPS
(FreeBSD only), Secure Shell • Create and run unlimited email
account, including:
(SSH), and cron accounts.

• Apache modules Core services are managed by To help administrators make quick
• Autoresponder support Verio, but you can configure them to work of application installations,
satisfy your specific needs and then Verio VPS includes a library of
• FTP server
rely on Verio for support, if needed. custom installation scripts, or
• GNU compiler collection
A new VPS comes configured vinstall utilities:
• Internet message access protocol as a Web and email server. The
(IMAP) account begins as a copy-on-write • SpamAssassin Spam Filtering
• OpenSSH (COW) image of a Verio-tested, • Apache Tomcat
• Perl and mod_perl basic installation. As system
• ClamAV Virus Scanning
• POP3 server administrators update and customize
• CPX: Control Panel
• Ruby the account, the account continues
to use central files maintained by • MySQL
• Sendmail SMTP server
Verio. Verio system administrators • PHP Hypertext Processor
• OpenSSL
continuously manage updates to
• SASL authentication core services.
• Web server Extra security, extra peace
of mind
Complete flexibility and The virtualization approach
management control employed by Verio makes the VPS
Verio VPS assures root access for inherently secure. A server sandbox
total administrative control. As a creates a fully isolated environment
VPS customer, you can install the where each VPS has its own
software you require and configure complete directory structure, its
the server to meet your needs. The own virtual file system, and its own
system’s flexibility allows you to: set of independent applications.
Security policy limits one VPS from
• Configure and customize your interfering with, or even seeing,
server with friendly Web-based another VPS.
controls.


6

Verio’s commitment to server • Verio technical experts who per month. All three plans offer a
security also includes: manage updates and patches common set of features, including
• World-class technical support FairShare technology, but some key
• Round-the-clock monitoring and 24/7/365 performance factors differ among
intrusion detection at Verio’s tiers, such as disk space, total
global Tier-1 data center processes, total open files, CPU
Multiple plans to suit your priority, memory, and burstable
• Triple data backups for data
integrity price-performance needs memory. The table provided below
• Operating systems and hardware Verio offers three VPS plans for specifies resource allocation details
that are continuously tuned each OS, starting at just $89.95 and other key features.

FreeBSD Linux
VPS Features Basic 1000 2000 Basic Pro Pro Plus
Setup Free Free Free Free Free Free
Per-Month Charge $89.95 $149.95 $279.95 $89.95 $149.95 $279.95
Bandwidth Transfer No charge No charge No charge No charge No charge No charge
Disk Space 10 GB 20 GB 40 GB 10 GB 20 GB 40 GB
Resource Rating (CPU, Memory, etc.) Good Better Best Good Better Best
Domain Names (Recommendations) No limit No limit No limit No limit No limit No limit
FreeBSD 6.x Operating System • • •
Red Hat Enterprise Linux (RHEL) OS • • •
Intel Hardware • • • • • •
SSH Shell Access • • • • • •
Telnet • • •
FTP Access • • • • • •
iManager Control Panel • • •
CPX Control Panel • • • • • •
Average Number of Subhosts 15 30 60 15 30 60
Average Number of Email Users 50 100 200 50 100 200


7

Conclusion: to suit the needs of companies
Verio VPS delivers a compre- large and small. At the core of
hensive solution. our company is a Tier-1 global
Verio VPS is designed to satisfy IP network designed exclusively
your business and technology for Internet data transport. And
issues. The turnkey solution we keep you at the forefront of
minimizes the time and resources Internet technology by continually
you need to allocate to server upgrading our network. In 2000,
management, allowing you to Verio joined forces with NTT
remain focused on pressing Communications, the world’s
business issues. largest telecommunications
company. Today, we are a strong,
The VPS solution deliver the stable IP leader and the smart
benefits of open source technology choice if you demand a business
supporting thousands of appli- partner with the resources needed
cations and development tools, to help grow your business.
while delivering world-class
stability. In addition to the optimum The Verio 360° Managed
combination of performance, Servers product family delivers
control and security, Verio pro- professional server management,
vides world-class support you can proactive security and OS updates,
count on. and enterprise-class hardware.
Composed of the Verio 360°
Managed Private Server and Verio
Verio: a smart choice. 360° Virtual Private Server plans,
Verio focuses solely on turning on
360º Managed Servers surround
the power of the Internet — every
you with specialized service and
minute of every day— all over
support, minimizing your time and
the globe. We build solutions
cost requirements and freeing you
with unparalleled scalability
to concentrate on your customers.


Verio Virtual Private Server (VPS)

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