OpenVZ Questions
Sep 23, 2007
I am aiming to offer VPS based on OpenVZ. Have some questions, please help to answer
- in OpenVZ, is there any monitor script, that will release an email to say one VPS is down? Or will I need to use external monitoring?
- can I do the backup / restore of full VPS within OpenVZ? Can customers do it themselves?
- how hard to change the VPS configuration? For example, upgrading from 256MB RAM to 512MB RAM, or adding more CPU, space...?
- how about the IP control in OpenVZ? Let's say each VPS will have 2 IPs, so to prevent customers adding more IPs, I will need to setup VLAN, is that correct? How hard is it in OpenVZ?
- how about the ideal hardware for running OpenVZ? Saying SATA, or SCSI disks, how many RAM... for example
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Dec 10, 2008
[openvz ]How to make for kernel of openvz to recognize 4GB of ram?
How to make for kernel of openvz to recognize 4GB of ram?
# uname -a
Linux xxxxxxxxxxx 2.6.18-92.1.13.el5.028stab059.3 #1 SMP Wed Oct 15 17:48:55 MSD 2008 i686 i686 i386 GNU/Linux
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Dec 26, 2008
I have a few questions about tektonic, I talked to their costumer service but maybe you guys out of experience can tell me a bit more.
Also if anyone knows of a XEM server that is located near Atlanta, that provides the same as TekTonic I would appreciate the info. and if anyone has one of those lifetime promo codes, that would be apprecialoved.
ok I plan to get 2 VPS from tektonic ( this is my top choice so far ) I want to have one 100% dedicated on the intranet for MYSQL, the other for apache and all the other stuff you know.
I also Need cpanel to move things around, so I need that one ( however someone told me I can buy a cpanel license separately )
ok I am going for the 294MB one for the Mysql and the 1178MB one for the apache and all that.
they say that they warantee the CPU 2.6GHZ on the 294MB one and 7.x GHZ on the 1178MB one, is this for real they really guarantee this CPU, or that's what you can burst.
the costumer service guy told me that CPU is guaranteed, and you can't burst, however they work on virtuosso and all virtuosso VPS I have worked do allow bursts, I would like to know from experience how fast are those servers processing, I mean for real.
because if I get 300MHZ of CPU and I can burst to 2.6GHZ, that would suck because I already have CPU intensive apps on my other VPS, and I plan to move.
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Sep 30, 2009
I need another server upgrade, hosting package upgrade.
I'm looking into cloud hosting because of the scalability.
What's the best
#1 Reliable
#2 Great Support
#3 Affordable
cloud hosting company.
Rackspace seems to be great on #1 and #2 i guess but #3 they are a bit more expensive. I know someone is going to say "you get what you pay for", but thats why i put Affordable at #3.
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May 18, 2007
I have a small network at my colo provider.
Colo Provider
|
My HP 2650
| |
server1 serverN
I want to setup static routes on my servers so that my colo provider won't bill me for traffic among my servers.
I use FreeBSD 6 on my servers. I read the FreeBSD handbook on this and it looks like i should do this:
route add -net 0.0.0/24 0.0.0.3
where 0.0.0/24 is the C class I have from my provider and 0.0.0.3 is the IP address of my server (one of them/any of them).
However, this route appears to already exist as i get this error when running that route command:
route: writing to routing socket: File exists
add net 0.0.0: gateway 0.0.0.3: route already in table
Do I need to use a non-routeable ip block (eg 192.168.x.x) for this? Can I use "real"/routeable ips? Does FreeBSD take care of this for me automatically?
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Nov 13, 2006
Hi I've never worked with a dedicated host, and I was considering going with hostgator, because they provide managed hosting and cPanel, which I'm fond of.
This is not for my own sites, but for someone I work for as a programmer/webmaster. He has asked that I make the decision on this, even though I've basically advised against it, due to my lack of experience with dedicated hosting.
I've also looked at lunarpages, doesn't seem to be much different than hostgator. Here are links to their pages...
http://www.hostgator.com/dedicated.shtml
http://www.lunarpages.com/dedicated-hosting/
Does anyone have experience from either of these? I don't think the sites hosted on the server are going to be particularly high bandwidth sites (I don't really think they even need a dedicated host) ... do you think we'll be okay with a single 2.8 Ghz processor?
Also, does anyone have any advice as far as the number of sites hosted on the server? He wants to move ALL of them to the same server. Any thoughts on whether or not this is a good idea?
I know I've asked a lot here but I'm really getting into new territory. If you can provide any input on ANY of the above items, I'd greatly appreciate it.
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Nov 13, 2008
I had a few specific questions about ADULT hosting. I've been refining an idea I had for an adult website after getting some good feedback from this site, but I had a few specific questions I still need addressed. If you think this forum is the wrong place to be asking about this, do you happen to know of any other forums that specialize in discussing adult web hosting?
My general plan is to set up a video-based adult site that charges people money (a monthly fee) to see the premium content. I have a general idea about my start-up investments, but not necessary how much each would cost, and I'm trying to put together a budget. If anyone could help me fill in some of these blanks I would really appreciate it!!
I'll need a lawyer to set up site disclaimers, contracts, etc. - I assume this will be a few hundred dollars - does this sound correct?
I need to build the site- this is where I'm not sure about costs. The general specifications are like any other adult website - users pay to register - so I would go with one of the established companies that deals with secure online credit card transactions - any ideas which ones are good? How much do they normally take?
Users then can watch the videos, rate and give feedback. Since I don't really know any programming besides HTML, I'm assuming I need to hire someone to build the site and make sure it is secure. I'm also assuming this will be the most expensive part of the investment. Can someone give me some estimates about this? Are there general templates online that I can use that will save money? Is guru.com a trusted place to hire programmers? Is this something I could do myself without spending years learning a new programming language? How DO I make the site secure, and how can I keep people from stealing my premium content and posting it on other sites? I'm obviously trying to make this as cheap as possible without sacrificing all the quality - but unfortunately I have thousands to invest and not tens of thousands (i don't know if this will be a problem or not).
Also - hosting. I was told that a popular adult video site will cost a fortune in bandwidth. If I'm charging a monthly membership fee I'm hoping that can offset the costs. Can someone recommend good, scalable adult video hosting - and give me a general idea about what kind of server I need, how much bandwidth etc. I figure since this is membership driven I can start small and then increase bandwidth depending on how many members join, so I'm always making a profit. Does that sound realistic?
Finally, can adult pay sites still make money today? Not just a couple bucks here and there, but enough so I can eventually quit my day job?
The wonderful feedback I got here before helped me to reshape my ideas, and now I'd like to begin the next steps. Thank you all very much again for ANY help you can give me - I sincerely appreciate all the generous, knowledgeable people that make this forum a pleasure to visit!
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Oct 8, 2007
I'm rather new to hosting so I still don't get everything, but maybe you can help me. I am hosting a web page on a computer that is hooked into the same network as my personal computer. They are both hooked into an openBSD router, which has the connection to the internet. My recently purchased domain name is set to forward all requests directly to the computer with the website on it (named 'b2.') When you visit the domain from an outside computer it does this just fine, but when you try to access it from one of the computers on my network it does not work. From my computer you can not access the website from the domain, but you can still access it just straight through the local network (i.e. typing 'b2' directly into the address bar ) From the computer which is actually the host to the website, it is accessible neither way, though the local network option was working before. Does anyone know what the problem is and how I can fix it? Keep in mind that I really only understand the basics of web hosting, and terminology and stuff.
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Apr 25, 2008
I was reading this
vbulletin.com/forum/archive/index.php/t-6868.html
but that was quite some time back.
If any user has current experience of using Zeus w.r.t
- running of standard vbb, photopost etc
- zend and / or ioncube
- some php scripts need url rewrite, is it possible
- creating subdomains when the host does not provide it
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Aug 4, 2008
What are some of the general questions your customers have with HyperVM?
And a VPS in general.
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Dec 18, 2007
I recently contacted 'theprimehost' with some pre-sales questions about their service.
However I received no replies, so posted on their forums in hope to get a reply from Darrell. However I found that the thread was removed. The questions I asked were as below:
1. Can I host MODx/Textpattern on Primehost space?
2. Do I get access to mod_rewrite / SSH with your account? (As an individual and as reseller)
3. How much do you charge for a dedicated IP?
4. Do you oversell or allow overselling with reseller accounts? How is the bandwidth calculated?
5. How can I monitor the uptime of your servers?
6. Is domain alias enabled?
7. Does mail enable me to set vacation auto-replies?
8. How frequently do you backup data?
9. Do you accept payments for 2 years at a time?
10. I didn't find information about your datacenter on the site. Can you please tell me more about it?
11. Can I avail of the 20% discount in addition to the 2 for 1 offer? Till when are these two offers valid?
I wonder why nobody at 'theprimehost' bothered to reply to my queries and deleted the thread so promptly. Anybody knows whats up with the guys? I have seen great reviews about them on the forum so this was unexpected.
I know Darrell is active on this forum - maybe he can clarify...
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Feb 25, 2008
I will be moving my vBulletin forums to a new dedicated server soon. I have been looking around for a suitable server specs, and I would like to ask you the following questions:
1- If I have the option to maximize one of the following only: the Processor, The Memory, or The Hard Disk. Which one should I go for?
2- Are there any certain settings that I can change in my server environment to get maximum performance for my forums?
3- Do you recommend a certain provider for dedicated servers? Which? And Why?
The goal is to maximize the performance of my 500 Online users vBulletin forums.
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Jun 26, 2008
I'm in a quandary over which host to choose. I've narrowed my choices between the above three. While this can be a subjective decision, I am looking for insight, any opinions and also advice on what to watch out for in deciding the best host for my needs.
Speaking of my needs, its fairly simple I have one site that runs my blog (on movabletype), another site that holds images and such, and a couple of others that I use for hobby/development purposes. All are generally low bandwidth.
I used dreamhost past and got burned by their latency and downtime. So while my needs are meager compared to many others I don't want to sacrifice performance/uptime in the name of saving a dollar.
They all offer money back guarantees so that gives me a chance to play with them but I'd like some advice on what to look out for, advice or other member's experience with them
Littleoak hosting, a small newish hosting company with nearly a rabid following over on the realmacsoftware.com's forums. This is a support forums for rapidweaver which I also use. I cannot install movabletype on this host - tried for 2 days with the help of their support. Finally gave up. If I go with them, I need to convert to wordpress. I do not want to do that just so I can use a new host. They have two packages that could work for me one at 25 dollars a year and another at 80 dollars. Bandwidth and storage are the differences.
Medialayer customer support seems very good, I can run movabletype. Pricing seems a tad high especially given my needs but they offer lots of flexibility and up to 6 domains for one package at 20/mth or 3 domains for 10/mth
ICDSoft top notch support, has a great webmail client (I hate squirrelmail) Little inflexible but nothing that would be a show stopper. I was able to install movabletype, I have yet to fully try it out though. A single domain per account at 6/mth If I have multiple domains it could get pricey.
I'm not sure if it matters but I ping all three sites and medialayer came out on top with 6ms, icdsoft with 13ms and littleoaks with 30ms.
Any thoughts opinions and/or advice regarding these three hosts. I've done enough research and while there may be other fine hosting companies these three are on my short list.
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Nov 20, 2007
I have a zone.net VPS with 1152mb of RAM.
I don't resell, I am using the VPS for personal use to run a small vBulletin board (30-60 members on at a time), a Mambo site that is used to aggregate news (12,000 or so news items), and then a couple small personal static sites, and about 25 email addresses.
My VPS has the following versions listed in WHM:
WHM 11.11.0 cPanel 11.15.0-R17853
CENTOS Enterprise 4.5 i686 on virtuozzo - WHM X v3.1
It is currently setup with the default update settings that came when Zone.net set it up, which are:
cPanel/WHM Updates = Manual Updates Only (STABLE tree)
cPanel Package Updates = Automatic
Security Package Updates = Automatic
Question 1:
So, for the type of site I am running, is the stable tree the best? While it is a small vBulletin community, lack of down time is my main goal, so I need to balance getting updates fast enough to keep it secure, but not getting 'bleeding edge' bugs introduced. Which tree is the best balance?
Question 2:
Should I be running automatic updats on cPanel/WHM or keep it manual and check here and other forums for important updates?
Question 3:
I recently had a problem where Horde stopped working. Zone.net's support staff helped me, and suggested two things to attempt to fix it, and this "/scripts/fullhordereset" fixed it. So, since I am new to VPS's and more specifically, working with Linux, how to I learn/research things like this in the future. Should I be checking out forums/communities for each individual app (like Horde), or is there a better option?
Question 4:
Unfortunately, I don't know what I don't know. Such as what tree to run, when to do cPanel updates, when to do Apache updates, how to make sure all my configs are right. Any suggestions on how to both make sure my WHM is configured the best way for my purposes, and more importantly, what is the best way of moving from WHM
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Aug 30, 2007
Just have some questions regarding server settings and security
1) What will happen if
Open_basedir in php.ini is changed to
Open_basedir = /home:/tmp
?
2) What will happen if all hosted users in passwd file are set to /sbin/nologin ???
Dose it effect running the web site?
What are the effects if
Sync if set to /sbin/nologin default is /bin/sync
shutdown if set to /sbin/nologin default is /sbin/shutdown
halt if set to /sbin/nologin default is /sbin/halt
news if set to /sbin/nologin default is empty
netdump if set to /sbin/nologin default is /bin/bash
Mysql if set to /sbin/nologin default is /bin/bash
mailman if set to /sbin/nologin default is /bin/bash
cpanel if set to /sbin/nologin default is /bin/bash
3) How to make /bin/bash in passwd file is the default path for each new user added (automatically) in cpanel/whm server
4) What is the effect if base64_encode and base64_decode if been added in disable functions?
5) How to secure host.conf and nsswitch.conf to prevent DNS lookup poisoning and also provide protection against spoofs?
6) How to secure the system configuration file sysctl.conf to prevent the TCP/IP stack from syn-flood attacks?
7) What is ClamAV and how to disable it?
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Feb 18, 2009
Can anybody advise, or provide somewhere which advises on the pros/cons of OpenVZ and Xen virtualisation platforms?
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May 18, 2009
Well which one?
Also if possible say why you prefer either OpenVZ or Xen.
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Sep 17, 2008
I am being told that when a VPS in openvz hits the maximum ram assigned to it that openvz disables that vps.
Isn't the ram limit a hard limit that simply restricts the available ram to that container to XX ram?
Is this normal?
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Oct 8, 2008
We are looking for a VPS to house a scala framework running on a JVM, from what I can gleen Xen would be the best route for us or is it possible that openVZ with enough dedicated ram would suffice, does anyone have a view on this?
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Oct 31, 2009
How I can see how much guaranteed memory I have ? And how I can see how much guaranteed memory I have used ?
Additional how I can see how much bustable memory I have used or how much total memory my VPS is using.
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Feb 17, 2009
Just how it actually works? I have a pretty good knowledge about Xen and Linux KVM (somewhat about VMware as well). Prior to joining WHT, I rarely heard about Virtuozzo and OpenVZ.
I'm just interested in RAM usage actually. I also read on some threads that you can oversell storage and net bandwidth as well? That just seems a little weird to me.
I also used a fairly good amount of Solaris Zones as well.
Example, if I have a 8GB box and I leave some, say 512MB, reserved for CT0. 8192-512=7680 (I know the ACTUAL RAM amount will NOT be 8192), that leaves 7680MB use for CTs. So technically in OpenVZ if you dice out dedicated 512MB VEs... you end up with 15 right?
So you are able to sell more than 15 VPSs on a 8GB server box? If also set all burstable RAM to 1GB for all VEs.
In Xen, when you set dedicated RAM it is taken away from dom0, period. That's all there is to it, no oversell (Xen 3.3+ you can use ballooning to overcommit RAM, I know).
Within CT in VZ, user is able to check beancounters to see the guaranteed/burstable RAM. Technically you can't lie to the users.
I researched around... when oversell in VZ and the RAM gets maxed out... VZ will try to slow/stop/kill processes in order to keep the guests happy, to me that's just dangerous. Why needs to kill processes for RAM saturation?
Anyone can shed some lights for me? Or point me to an article(s). It can be technical, I should be able to grasp.
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Apr 25, 2009
I am trying to create some vps using openvz but after creating the vps with the Centos basic template 304mb i can't ping the ip and i can't view the centos welcome page in my browser (using ip and not domain, so i don't need to change there anything yet) and the most important is that i can't connect to the vps using ssh
I aks for many good users about my problem but i don' found a solution yet.
I ask my DC about ip's and they told me that the ip's are routed in my server.
I follow this instructions:
Filesystem Size Used Avail Use% Mounted on
/dev/sda1 50G 2.8G 44G 6% /
/dev/sda3 198M 21M 168M 11% /boot
/dev/sda5 408G 2.4G 385G 1% /vz
tmpfs 1012M 0 1012M 0% /dev/shm
I follow this:
I disable selinux by editing /etc/sysconfig/selinux and changing the line to selinux=disabled
and then run:
I just login using ssh as root and run the folllowing commands.
Did i have to move to another directory to run them or ?
setenforce 0
wget[url]
Next i open /etc/grub.conf
vi /etc/grub.conf
and change default=1 to default=0
Then i add the ip's at the pool and create a plan and then create a vps without any errors but nothing.
I try with my DC resolvers or the 4.2.2.1 4.2.2.2 but nothing.
I alo add at the settings the gateway with no results at all.
After all i can't ping the ip that the vps got from the pool even ping it and not possible to connect to it using the ssh Sad
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Apr 17, 2009
When you're creating VPS container, you can ssh with that IP and login with your username and password correct? But, what is the problem when I successfully created a VPS, and when trying ssh into it, I can't. Ok, here we go. I want to create a 2nd vps and will be using it as my DNS server. I enter a set of IPs into HyperVM's IPpool. First IP: x.x.x.178 Last IP: x.x.x.182 Resolv Entries (space Separated) : Gateway (IP): x.x.x.x.177 NetMask: 255.255.255.248
Then I created a vps resource plan. And then I created a VPS and it use the first IP from above. I want to connect to SSH and want to make it as my DNS server but seems the IP are not responding, it wasn't even live. So, what is the problem here? Where I did wrong? Just to let you know, I successfully created 1 VPS before that and it works without any hiccups. Got even whm/cpanel installed as well on it. The thing that I suspected is that my DC pulled the IPs off me and assigned them to other server. Waiting for their reply on this though.
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Aug 21, 2008
What does OpenVZ / w HyperVM
Can I distribute VPS through?
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Aug 30, 2008
When i using openvz to create VPS, and RHEL4 needed yum installed.
I don't know how to install yum on it.
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Feb 12, 2008
i have dedicated server. i want install hypervm on this server my work is sell vps.
of your seems xen is better or openvz for my work?
server is :
Intel 2.13Ghz Quad-Core Xeon X3210 Dell PowerEdge 840, 1066MHz, 2x4 MB L2 Cache
4GB DDR2 RAM
2x250GB HDD
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Nov 2, 2007
I'm trying to convince someone into a project. He's not sure if OpenVZ is well known.
Do you know of it?
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Mar 15, 2007
recently I got a VPS from cheapvps.co.uk and so far so good. Im getting used to the VPS enviroment. I tried to follow several guides about how to secure with noexec and nosuid the /tmp and /var/tmp and it did not work.
in http : / / www . webhostingtalk .com/showthread.php?t=474681&highlight=tmp points it must be done from the hosting. Same is said in http : // kb . swsoft . com/article_130_648_en.html.
I asked the hosting to do it and they told me as I got an Unmanaged VPS they cant do it for me.
Do anyone know how can be done ? I dont want to use tmpfs as it uses main memory.
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Jul 26, 2008
i am looking to get away from hostgators extremely overloaded servers and get a vps. I have been admining linux servers for a while although never as a web server, but think i can handle that aspect. I have done a huge amount of research but dont know which way to go. One of the things thats rough is the control panels, i like cpanel and have only used cpanel but many charge alot for it. I have been considering an xl-256 plan from vpsland.com. they are east coast (i am in NJ, west coast is out) and their xl plan is xen with swap. But its $15 for cpanel and that is too much, i was thinking of trying directadmin for $6. Is directadmin any good? I need spamassasin and that stuff of course. To me its crazy that openvz has no swap and the server will crash if you reach max ram like at vpslink.com. I really liked vpslink.com's phone support but the west coast thing is rough. I have been looking at http://www.ubiquityservers.com/vps/new-york.php these guys but its virtuozzo, but cpanel is cheap only $5 a month. bodhost.com seemed cheap at $8 for cpanel. then i found this which sounds great! especially since its close but i emailed them to ask if its xen or openvz and havent heard back in almost 12 hours which scares me for support. i like phone support but vpslink.com again was on the west coast. their cpanel was cheap though at $8. plus i dont know if i want managed ro not then i remembered this site, and remembered i had gotten alot of help hear before so i figured it be best to hear others experience and favorites, etc.
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Aug 30, 2008
All these are free but which is best. What are the pros and cons? Have been using Virtuozzo and I love it but thinking about offering cheaper solutions with GPL software.
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Oct 28, 2008
Which one do you prefer more and why?
Virtuozzo is very expensive while OpenVZ is free and it is somehow another Virtuozzo, but made simpler?
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