Dedicated Server Reviews

Have you been receiving emails from Eastern European women who want to sell you "enlargement" cream? Viagra? Perhaps someone has caught you naked on video lately? Or you've been contacted by Nigerian princes who want to give you millions of dollars if you just send them 50 grand?

As amusing as they can be at times (believe me, I get a good chuckle out of them once in a while), these are just a few of the messages you may be receiving by the hundreds, if not thousands, if your ISP or hosting provider isn't using the right precautions to filter out and block spam from reaching your server and, ultimately, your inbox on a daily basis.

In comes a company like Cloudmark.

Cloudmark says it currently protects over 600 million inboxes across the globe through its advanced message fingerprinting technology and global threat network and is the most widely-integrated messaging security solution on carrier infrastructures worldwide.

WHIRtv recently sat down with Jamie de Guerre, CTO of Cloudmark (and fellow Canuck!) and got the inside on how the technology works and how big of an "epidemic" spam really is today.

It is assumed that you have OpenVZ installed on your server.

How to get OpenVZ templates?

OpenVZ uses a OS(Operating System) template system, ie every single VPS created with OpenVZ can have its own Operating System template like Fedora Core, Debian,CentOS.
You can download OpenVZ Operating System templates from OpenVZ template website. Note that each OS templates has its own hardware version . Make sure that you are choosing the right OS template for your server hardware.

The templates has to be saved in /var/lib/vz/template/cache in compressed format (gzip, tar). You need not decompress them.

How to create a VPS with OpenVZ?

The syntax to create a VPS in OpenVZ is
vzctl create vpsid –ostemplate ostemplatename

Replace vpsid with a number (above 100) and
Replace ostemplatename with the name of the preferred OS template you want for that VPS.

for example
Quote:
vzctl create 105 –ostemplate centos-4-i386-default
This would create a VPS with VPS_ID 105, with centos-4-i386-default OS template

After the VPS is created, you will find its
File System at /var/lib/vz/root/vpsid (example /var/lib/vz/root/105), and
Private Area at /var/lib/vz/private/vpsid (example /var/lib/vz/private/105)

Adding ip address to a VPS and creating networking

The command syntax below to add networking to the existing VPS

Quote:
vzctl set –ipadd ipaddr –nameserver nameserverIP –hostname hostname –save
The –ipadd parameter assigns the IP address to the first venet interface in the guest OS, the –hostname assigns the VPS its hostname, and the –nameserver parameter provides the first nameserver.

Hpw to Assign fixed amount of RAM for the created VPS?

Here is an example of setting the VPS with a guaranteed 256 MB RAM and a maximum of 1GB RAM.
Quote:
vzctl set vpsid –vmguarpages 65536 –save
vzctl set vpsid –privvmpages 262144 –save
vmguarpages ->The memory that is ‘guaranteed’ to the VPS
privvmpages -> The ‘maximum’ amount of memory that will be granted to the VPS

Replace vpsid with with the VPS_ID. Example:
Quote:
vzctl set 105 –vmguarpages 65536 –save
vzctl set 105 –privvmpages 262144 –save
Start your VPS with the command
Quote:
vzctl start vpsid
As an example
Quote:
vzctl start 105

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In Superman III Richard Pryor is a computer programmer; he wonders where all those ½ cents at the end of payroll checks go. He puts them to good use...his paycheck. 

Charles WU - head honcho at CW Labs made one of those luncheon presentations that was actually interesting. In the middle of it I thought...this guy looked at something boring...and saw billions. All of a sudden it became very interesting. 

Unbeknownst to us he noted the slow death of dial-up. But sees dollars in that slow bandwidth...forget 56k...he likes 28k. Forget something in the future that may not work like 500 HDTV channels over the Internet, R&D is always a *itch...lets make some money.

During the presentation Charles used the word trillion...his graphics showed a bunch of lines connecting each other, sort of like a half circle, with arrows going back and forth. His R&D staff has invented some stuff, they want to put the ISP in this graphic. Somewhere near the top left, second dot down. He called it the money spot.  

Charles WU wants to put the ISP in the credit card processing system. He wants you to be part of that trillion dollar economy, the part that takes a ½% here and ½% there. Swipe that card and a bunch of people takes a slice of that swipe…someone has to do it.

Talk to WU if you want to understand the technical part, not my area. However there is hardware, software, intellectual property, licensing and other stuff involved.

In the evening Wu kindly gave away food and drinks as we gambled at a charity event. Everyone was happy.

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