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| | '''Following are some comments we've received from OpenVZ users.''' | | '''Following are some comments we've received from OpenVZ users.''' |
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| − | I never looked in much detail into OpenVZ but quite honestly I have my doubts that it is completely sealed off and really doesn't suffer by any of the vulnerabilities I pointed out in my other mail.
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| − | OpenVZ is probably at a better spot than the vanilla kernel whith container virtualization, but I ''think they define "secure" much more losely than some folks are aware of''.
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| − | [http://lists.freedesktop.org/archives/systemd-devel/2011-April/002078.html Lennart Poettering]
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| − | I certainly have received a lot of value from using OpenVZ. One of the greatest open source values in the world!
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| − | [https://twitter.com/mperkel/status/616622538081218560 Mark Perkel]
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| − | I hope this helps their popularity. OpenVZ is an amazing, production quality lightweight virtualization technology. Used virtuozzo containers for infrastructure servers for years at my previous employer, and used openvz containers to run high traffic web sites for small businesses. It will most likely be years before lxc reaches the capabilities OpenVZ had in 2008.
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| − | [https://lwn.net/Articles/647058/ LWN commenter]
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| − | We are very pleased with OpenVZ - stable and very functional.
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| − | Really a 100% recommend for almost any type of infrastructures.
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| − | It would be nice if RHEL7/CentOS7 support is added soon.
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| − | Also seems that the recommended panel - OVZ Web Panel is not very well maintained and a bit outdated.
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| − | We are using it and it is not very stable or production ready for customer usage and is slow developing.
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| − | ''Mitkov, VPSBG.eu CEO''
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| − | We’re booting 120,000 containers per day on OpenVZ, it’s okay I guess.
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| − | ''[https://twitter.com/roidrage/status/517776484342452226 Mathias Meyer], Travis CI'', ''[https://twitter.com/travisci/status/311376020034953217 Travis CI Official Twitter]''
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| − | Bolszoje spasiba! :D
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| − | ''Paweł Tęcza, Bugzilla {{B|658#c7}}''
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| − | Thank you OpenVZ guys. You rocks!
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| − | ''Alex, Bugzilla {{B|796}}''
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| − | OpenVZ is awesome! We used it to build the entire infrastructure for WebEnabled's Instant Development Platform.
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| − | ''Salim Lakhani, [http://WebEnabled.com/ WebEnabled]''
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| | How are you discovering these bugs? | | How are you discovering these bugs? |
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| − | ''Andrew Morton, [http://openvz.org/pipermail/devel/2007-July/006281.html Devel mailing list]'' | + | ''Andrew Morton, [http://openvz.org/pipermail/devel/2007-July/006281.html Devel mainling list]'' |
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| − | OpenVZ, which also is vying for inclusion in the mainstream Linux kernel, would complement Xen well and has impressed me in the initial testing I've conducted.
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| − | ''Jason Brooks, Senior Analyst, Ziff Davis. [http://www.eweek.com/c/a/Linux-and-Open-Source/Red-Hat-Isnt-Exhibiting-XenOphobia/ eweek.com]''
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| | ''Robert McLeay, PlanetMirror.com stuff'' | | ''Robert McLeay, PlanetMirror.com stuff'' |
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| − | OpenVZ is about the greatest thing we've ever found, and we're SO glad for it.
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| − | ''Gregor Mosheh, HostGIS'' [https://openvz.org/pipermail/users/2007-August/001104.html]
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| − | We've been running OpenVZ in a production environment for a few years for a multitude of tasks. It's been nothing short of amazing, stable, and resource friendly! Thanks to all those who have contributed to make OpenVZ even better over the years!
| + | Hello all, just downloaded and installed OpenVZ, and i must say its a big improvement over other VPS systems that i have tested IMHO. |
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| − | ''Eric Thern, Technical Director, [http://www.zoidial.com Zoidial Hosting and VPS]''
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| − | Hello all, just downloaded and installed OpenVZ, and i must say its a big improvement over other container systems that i have tested IMHO. | |
| | [http://forum.openvz.org/index.php?t=tree&goto=646&#msg_646] | | [http://forum.openvz.org/index.php?t=tree&goto=646&#msg_646] |
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| − | For my needs, OpenVZ is better than Xen. The one-kernel approach conserves memory, leaving more for applications. And having all container in one disk partition saves disk space. A surprise bonus was the template cache management with yum. The ease of keeping templates updated and quickly installing new operating environments is yummy! | + | For my needs, OpenVZ is better than Xen. The one-kernel approach conserves memory, leaving more for applications. And having all VPS in one disk partition saves disk space. A surprise bonus was the template cache management with yum. The ease of keeping templates updated and quickly installing new operating environments is yummy! |
| | [http://forum.openvz.org/index.php?t=rview&goto=3119#msg_3119] | | [http://forum.openvz.org/index.php?t=rview&goto=3119#msg_3119] |
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| − | I agree with you very much. I would say for enterprise use where cost/efficiency is not a factor, Xen has an edge over VZ. However for a service provider or other situation where CPU/RAM/DISK resources are shared among environments to ensure profitability/efficiency, openvz is far superior. Also, VZ is much simpler to use, and all of the command line utilities are well documented.
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| − | [http://forum.openvz.org/index.php?t=tree&th=572&mid=3122]
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| − | I'm a sysadm and have always used xen/qemu/virtualbox/vmware server for my VMs and my customer's ones. Yesterday I decided to give OpenVZ a try and... I'm amazed. It's fast, easy and reliable.Live migration works like a charm and the use of rsync assures low data transfers. Great. [http://forum.openvz.org/index.php?t=tree&goto=14724&#msg_14724] ''Stefano Marinelli, http://www.dragas.net'' | + | I'm a sysadm and have always used xen/qemu/virtualbox/vmware server for my VMs and my customer's ones. Yesterday I decided to give OpenVZ a try and... I'm amazed. It's fast, easy and reliable.Live migration works like a charm and the use of rsync assures low data transfers. Great. [http://forum.openvz.org/index.php?t=tree&goto=14724&#msg_14724] |
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| − | OpenVZ is one of the few pieces of software that I truly love. It works wonderfully. It should become part of the mainline kernel. ''Nick Andrew, http://www.nick-andrew.net''
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| − | And thanks again for OpenVZ. Our business couldn't do what we do, as well as we do, with VMWare or Xen. ''Gregor Mosheh'', System Administrator, HostGIS cartographic development & hosting services.
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| − | Thank you for OpenVZ by the way... it is awesome. It saves me hours of work every day. ''Eric Gearhart, http://nixwizard.net''
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| − | For us at [http://www.signet.nl Signet], OpenVZ is ideal as a virtualization platform as it's open-source, no vendor lock-in's and great performance. It perfectly integrates into our high-availability SAN and server setup so it's great. ''Remco Bressers, http://www.signet.nl''
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| − | For us at [https://webuniversal.pe/hosting-peru-profesional/]
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| − | Indira Gandhi National Open University, India (IGNOU) is the world's largest open university in terms of student enrolments (2.5 + million approx.) for different programmes. Catering web based services to such large student fraternity is indeed a hard task. The systems and services were heavily biased towards proprietary corporations products, thereby, aggravating the quality of service to its intended audience. Moreover, virtualization was a blackbox to the IT department of IGNOU, until May 2009. Thereafter the entire networks and systems were stunned to see at least 4 Mediawiki sites , 1 tomcat based Java application, 2 Subversion server for in-house development & networking team, 1 egroupware server on a single SUN Fire X 4140 powered by Debian & OpenVZ.
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| − | All the services are live with downtime of 5 hours(due to electrical outage, ISP downtime) since May 2009 till date. That makes 99.91 % uptime.
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| − | Kudos to OpenVZ team for making this possible.
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| − | --[[User:Sukant.kole|Sukant Kole]], [http://aciil.ignou.ac.in ACIIL]23:37, 13 January 2010 (UTC)
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| − | OpenVZ helps companies and SMEs who wish to get benefit from IT softwares at a low cost in equipment and electricity. Easy to implement and scalable from a simple to a more complex infrastructure, OpenVZ is currently the best solution we found to run safely an elastic range of SaaS services from the GNU free software suite, and therefore, achieve our business objectives and those of our clients. OpenVZ helps us also to make efficient backups of our servers using rsync and SSH tools and replication for high availability enterprise infrastructure, because that's the most important.
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| − | Secure jailing and virtualization, promotes green and energy efficient technology, elastic, easy replication and backups : those are the reasons why we trust and choose OpenVZ.
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| − | ''David Côté-Tremblay, [http://solib.ca/ SOLIB Québec - Linux, Logiciel Libre et Open Source]''
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| − | == OpenVZ keeps my spam filtering business running ==
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| − | I'm in the spam filtering business, [http://www.junkemailfilter.com Junk Email Filter] and I'm running OpenVZ on everything. I love the virtualization for several reasons. In spam filtering there is a lot of redundancy and duplication across machines. I have a network of front end Exim servers as a front end MTA. I also have Spam Assassin virtual servers, regular name servers, caching name servers, RBL servers, post processing spam servers, and servers gathering statistics and building white and black lists.
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| − | By modularizing the functions and creating multiple OpenVZ servers I can move virtual machines from computer to computer to balance loads across several physical servers. I can create servers with different permissions so that many of these servers are more secure in that they only have root as the only real login user. If I need to expand I just buy more computers and populate them with the right combination of virtual servers.
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| − | I chose OpenVZ over other virtualizations because OpenVZ is fast and efficient. It is in fact the most fast an efficient because it sacrifices some of the features of true virtualization. It's Linux only and has a single kernel. But my needs are Linux only and OpenVZ has almost no overhead at all. It doesn't leave memory fragmented into virtual machines that never use all their ram. Instead the memory limits are just caps and memory usage depends on what you run.It's fast, it's simple, and it just works.
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| − | {{unsigned|Mperkel|17:23, 22 January 2010}}
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| − | == Now My favorite utility ==
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| − | OK: I did discover that it has serious failings when used as an FTP server. But I can run 3 complete and independant web servers on a Pentium-4 machine with 512 Meg ram and a single 80 Gig drive with space, memory, and cycles to spare!! KILLER!
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| − | We now have a true server class machine running about 120 client web sites used for accessing a special web application. I think LXC might do that, I could not deploy and tune so many in a year: with openvz I could do that many in a week. It would only take THAT long because of the individual data links for the application.
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| − | I just wish Corporate would allow me to purchase commercial product to gain the central management!
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| − | Im no way close to even being an amateur Linux System Admin. But this by far blows all other products ive worked with, with flexebility and ease of configuration
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| − | == Virtualization solution Found! ==
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| − | Looking for a Virtualization solution to add VPS services to my company, OpenVZ works perfectly! - Chad in NY
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| − | == Misc ==
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| − | Thanks for producing OpenVZ, We find that it's fantastic. thanks again. {{unsigned|Pooja007|10:01, 21 October 2011}}
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| − | == The best option for what we do ==
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| − | We have no other reason to choose any other software! OpenVZ is deficiently the correct choice for our VPS Services.
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| − | [http://www.hostsurfuk.com Host Surf UK]
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| − | Works very well for what we do. Low overhead and no problems hosting a real time application. The guys who work on the OpenVZ kernel are amazing.
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| − | [http://vps.powerpbx.org Asterisk Hosting]
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| − | Works really well and is very stable! We haven't faced any issues yet and the community is great. ''Jay Svoboda'', [http://tailoredvps.com Tailored VPS]
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| − | Our VPS are based on OpenVZ, the best solution we found so far for our Cloud VPS services, no issues so far and great server performance. ''[https://twitter.com/Infranetworking/status/744900443025842176 From Infranetworking's Twitter Account]'' - ''Esteban Borges, https://www.infranetworking.com''
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