OpenVZ

5.0
(4)

OpenVZ is a container-based virtualization for Linux that creates multiple secure, isolated Linux containers (otherwise known as VEs or VPSs) on a single physical server enabling better server utilization and ensuring that applications do not conflict.

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OpenVZ review by Administrator
Administrator
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"Great Container Platform"

What do you like best?

Although it is not the most popular container platform out there, OpenVZ is, and always has been, a very good container platform with a wide variety of features and a great deal of configuration. One of the really nice things about OpenVZ as opposed to Docker is that it allows from bridging network interfaces so that containers can be directly attached to the physical network that the host is on. This can be very useful in situations that are outside of Docker's wheelhouse.

What do you dislike?

It isn't a very well-known platform, and isn't the easiest to configure. You have to do a lot of manual, from-scratch configuration, whereas Docker is ready to go out-of-the-box.

Recommendations to others considering the product

If you need something that isn't Docker, and that gives you more flexibility than Docker, OpenVZ is the way to go. A very, very powerful container tool.

What business problems are you solving with the product? What benefits have you realized?

I used it to help put legacy applications into containers that I didn't want to run the older version of the operating system on. It helps protect those applications but still provide the operating environment required for those applications.

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OpenVZ review by McCourt C.
McCourt C.
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"OpenVZ Plus Proxmox = Happy Admin"

What do you like best?

The control you have over your containers is really cool.

As an admin you can jump into a running container as root with one command.

Startup times for the containers is very fast.

When used in conjunction with Proxmox OpenVZ can compete with most of the big boys out there right now.

What do you dislike?

Well there a few things.

The documentation is very comprehensive but it can still be a struggle to find guides for your specific version.

I find particularly network config and firewall config is always an issue.

Network interfaces seem to disappear from time to time randomly.

Recommendations to others considering the product

Its a steep learning curve with a lot of config.

Weigh up your options, if you are relying heavily on Linux based infrastructure in the back end then it may be a good fit.

If your a windows only house then i would stick with Hyper-V

What business problems are you solving with the product? What benefits have you realized?

All of our in house virtualization is now done through Proxmox using OpenVZ templates.

What Server Virtualization solution do you use?

Thanks for letting us know!
OpenVZ review by James D.
James D.
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"There is no alternative to OpenVZ!"

What do you like best?

OpenVZ is a very powerful opensource container based visualization platform.

Its fast and easy to use, open source and free.

There is very little overhead compared to full visualization.

Its very secure.

What do you dislike?

There really is little to dislike about OpenVz, it does everything I could wish it to.

The only problem I have faced is a quota file got corrupt but with the help of the community this was quickly rectified.

Recommendations to others considering the product

Best container based visualization out there!

What business problems are you solving with the product? What benefits have you realized?

We currently use OpenVZ for development purposes as well as a few proxy/web servers.

In the past I worked for a VPS company with over 1000 clients, all using rented OpenVZ servers from ourselves and managed using SolousVM. We experienced no issues down to the software and had 99% uptime over 3 years. none of this downtime was related to OpenVZ itself.

OpenVZ review by Pedro Andres B.
Pedro Andres B.
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"Great virtualization software"

What do you like best?

It allows my company to maximize the use of physical servers

What do you dislike?

If you set up too many containers in one server, the access to disk speed will decrease dramatically

What business problems are you solving with the product? What benefits have you realized?

I am optimizing my installed computational capacity by maximizing the use of my physical servers

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