OpenVZ is an open source virtualization technology for Linux which utilities containers to run separate Linux based operating systems on a single machine. OpenVZ is typically used as it touts a low overhead, of around 1-3% of CPU, compared to other virtualization technologies.

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Where is the startup script/file for an OpenVZ container? [closed]

I start my container and it has a few errors. [xxx@centosbuilder1 etc]$ sudo vzctl start 1011 Starting container... Container is mounted Adding IP address(es): 10.0.64.23 cp: cannot stat ...
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2answers
502 views

Setting locale in Ubuntu 12.04 (openvz)

I have a fresh installation of Ubuntu 12.04 as virtual openVZ guest. The defined locale for LC_* in basic setup is POSIX. I'd like to change this to en_US.UTF-8. So I installed language_pack_en_base ...
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1answer
65 views

Cannot make Java Package on an OpenVZ container

I'm trying to install Sun's Java SDK 7 by following the Debian Wiki instructions using java-package. But it won't work on an OpenVZ proxmox container. I'm running Debian Wheezy 7.0-2 64bit on all my ...
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2answers
148 views

How to maximize I/O on an OpenVZ VPS node?

I have an OVZ node with 46 VPSes. The SSD drive had 400Mb/s but after filling the node with VPSes the SSD drive sometimes drops to 40Mb/s. How can I prevent this from happening? Is there a way to ...
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1answer
57 views

How to list disk space usages of all containers on an OpenVZ server?

I have an OpenVZ server with 46 containers. How do I get a list of all the containers with their corresponding disk usage?
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176 views

PPTP connection gets terminated after I try to do a speedtest

my connection to pptp gets terminated when I try to do a speedtest on speedtest.net I have a vps account with centos 5 installed. It uses openvz for virtualization. on /var/logs/messages the error ...
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1answer
103 views

How do I add eth0 on centos 5 that is using openvz

I have a vps account with CentOS 5 installed. It uses OpenVZ for virtualization. Now I'm trying to install pptp service (using this guide) on it. I'm currently on Step 6 but I don't see any eth0 ...
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0answers
60 views

OpenVZ container not reachable after host reboot

I started having a rather strange problem lately. After rebooting the OpenVZ host system all Containers seem to be up and running, but some of them (not all) are unreachable from both the host system ...
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2answers
564 views

OpenVZ MySQL InnoDB won't start

I have a OpenVZ Server with 4GB RAM and have tried to install MySQL on several distros (Ubuntu 12.04 64Bit, Ubuntu 12.10 64Bit, Debian 7 64Bit) and I always get the same errors: 130718 6:57:27 ...
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199 views

CentOS 6 VPN or Proxy Server compatible with OpenVZ

So I tried to install an L2TP/IPSEC VPN on CentOS 6 using ipsec-tools and racoon. Unfortunately my VPS host uses OpenVZ which is apparently incompatible with IPSEC. (Of course if someone knows how to ...
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1answer
85 views

Connection on MySQL very slow between to OpenVZ CT

I created a private cloud with OpenVZ, with some CT linked by Venet. One CT hosts a MySQL server, configured to listen on 192.168.1.21 When, from an other CT, I ping 192.168.1.21, I have a ping of ...
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1answer
90 views

Can't SSH to localhost

I've spotted a problem on one of my openVZ Containers. There is a tool running for managing git repositories on a server which needs to connect this server by SSH. That tool is running on the same ...
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0answers
66 views

Get an OpenVZ container's cpuload realtime in a bash script

I have a bash script which uses CPU cores rather intensively. Recently my VPS was suspended due to server load. The main reason is a cron job for a bash script which checks for Wordpress plugins and ...
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0answers
129 views

OpenVZ container is running but does not show in vzlist nor can I find the private/conf files for the container

I was creating a new OpenVZ container on one of our VPS Nodes while the power went out for that machine. After bringing the machine back online I could no longer access the container CTID=101. I could ...
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1answer
121 views

Cloning OpenVZ container

I have an OpenVZ container on 1 host and I would like to clone it over to my server. both run SolusVM. I only have root access to my server and would like to host the container on my server now. Can ...
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1answer
377 views

OpenVPN-AS not starting

I have been trying to get an OpenVPN Access server running but I am having a lot of trouble. I have a host node running Proxmox and I would like an OpenVZ container to run the server. I have gone ...
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1answer
122 views

Best Guest OS for running FreeSWITCH under Proxmox

We have a lot of Asterisk systems running on dedicated machines and would like to use FreeSWITCH to replace a number of them. One of the advantages of FreeSWITCH is supposed to be that it is doing ...
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1answer
156 views

openvz: making directory /run/shm persistant?

I just upgraded my server to ubuntu 12.04. But the last updates failed because of an error with the update of the package 'initscripts': Setting up initscripts (2.88dsf-13.10ubuntu11) ... mkdir: ...
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1answer
107 views

Two IPs - One OpenVPN instance, impossible?

I have a debian 64bit vps, OpenVZ, with perfectly working openvpn server. I have ADDITIONAL IP which I want to use on that same openvpn server and I can't make it work. It only works if I specify ...
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2answers
187 views

IPTables isn't forwarding anything

I currently have set up IPTables on my server to forward certain ports on a specific interface (venet0:1) to a second server, at a different IP. My config file looks like this: # Generated by ...
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1answer
98 views

openvz containers optimization

i am trying to optimize 14 containers on 64 G.B ram , 16 Core processor based on Centos 5.9 Final 64 Bit Distribution the load average of the server up to 300 this is my memory stats # vzmemcheck ...
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27 views

Does vmstat correctly report si and so in OpenVZ?

Does anyone know if vmstat correctly reports si and so (of the host) inside a container? This is a container that does not have vswap enabled, but has burstable memory, if that matters.
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3answers
199 views

NFS mount failing in OpenVZ container but working in Ubuntu

I am running a debian 6.0 open VZ container and can't get my NFS share to mount. The error I am getting is mount.nfs: mount to NFS server '' failed: timed out, giving up However, using the same exact ...
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1answer
75 views

recipient rejected in a SMTP connection from a OpenVz container [closed]

I'm facing a strange problem. I'm getting a recipient rejected on a SMTP server only from inside an OpenVZ container, while from the physical server everything works fine. Here's an example of a ...
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2answers
322 views

Proxmox 2.3 don't use mount script

I am running proxmox 2.3 Since I installed proxmox on a new server I definitely can't use mount and unmount script on a container and I don't know why. Proxmox just doesn't read those scripts. Here ...
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1answer
70 views

OpenVZ Host Node and IPTables

Can you use IPTables on the host node or does that effect all the containers on the node? I am unsure as to if using iptables will effect all the containers below or not.
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47 views

Deploying OpenVZ containers

I have already installed OVZ web panel.My current situation is 1.In the LAN i m working from,the hardware node(HN) on which OpenVZ is installed has ip address 192.168.2.152. 2.three containers have ...
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1answer
192 views

OpenVZ - Ubuntu 12.04 unable to enter

I've setup an Ubuntu 12.04 on OpenVZ, it's been created and appears to start up fine. When I try to enter the OS it just hangs. I've ran ps aux with the exec and it returns: USER PID %CPU %MEM ...
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26 views

How to assign each user in a LAN a dedicated container?

I currently have OpenVZ installed on CentOS 6.3 in a LAN with the host node ip address being 192.168.2.152.How do I assign other users in the LAN a dedicated container of their own so that their ...
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1answer
101 views

Find ddos attack on OpenVZ container [duplicate]

How do you figure out which OpenVZ contain is under attack from a dDoS? I know it is an attack because the b/w and incoming traffic shot WAY up. Can this be done with netstat? Are some attacks not ...
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1answer
172 views

Firewall blocking ssh out from a openVz container

I'm using a firewall on the HN to open/close the ports of the containers directly from the HN. I'm using the iptables script from the openvz wiki. Everything works fine but I cannot ssh out from the ...
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2answers
151 views

How to over 500000 cpuunits on OpenVZ [closed]

I have a OpenVZ and i would like to allocate more than 500000 cpu units. But the max i can set is 500000. Does he have a solution to give more power to my vm? According to all the sources I read ...
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0answers
459 views

IPv6 only works after pinging the default gateway (Centos)

We have a lot of nodes with CentOS 6 + OpenVZ (solusvm slave) with IPv6 working inside the containers without any problems. Now we installed new CentOS 6 + OpenVZ (solusvm slave) slave node server ...
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1answer
131 views

Find IP addresses with most connections on system

I am currently experiencing some attacks on my OpenVZ server (CentOS 6.3 64bit), which is saturating the public ethernet interface (currently accessing SSH via the private interface). Is it possible ...
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0answers
414 views

How to fix inode errors and issues - CentOS

My server is keep crashing. It happens randomly every few days tough. Today it happened while I was logged in trough SSH and it said: Message from syslogd@ at Mon Apr 15 14:43:42 2013 ... ns213921 ...
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1answer
740 views

SolusVM + OpenVZ + Second level quotas — how to enable?

I have a lot of CPanel clients and I've seen some host automatically enable secondary level quotas on signup. I was wondering how do I do that? Do I need to run a script on signup? Do I need to edit ...
0
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1answer
194 views

Puppet provider does not install prerequisites

I have cloned a module for virtual machines, but when I try to apply a virtual machine to a node, I get Error: Could not find a suitable provider for virt, which is understandable given that the ...
3
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1answer
668 views

Does our VPS have its kmemsize limit set too low?

Short Version: Are there any official guidelines on what the kmemsize barrier and limit should be set to for a container in Virtuozzo/OpenVZ intended to be used as a Web server? We've found posts ...
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1answer
34 views

Can you make the /vz directory a symlink?

I have a OpenVZ VPS server with a 500GB hard drive and 240GB SSD. I'd like to have each VM's files stored on the SSD. Can I make their directory within /vz symlink to a directory on the SSD? There ...
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1answer
27 views

Are there any rules as to how IP address should be assigned to each container in OpenVZ?

I have OpenVZ running on CentOS system connected to a LAN.The internal IP address of the host machine is 192.168.2.152.Two containers have been created and the IP addresses I assigned are ...
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2answers
541 views

Issue on yum update with kernel

--> Running transaction check ---> Package e2fsprogs-resize2fs-static.x86_64 0:1.42.3-3.el6.1.ovz will be installed ---> Package kernel.x86_64 0:2.6.32-358.2.1.el6 will be installed --> ...
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1answer
466 views

Parallels Apache stopped loading virtual host config files?

Apache on a server i'm helping manage has stopped reading virtual host configuration files. It's OpenVZ with a Plesk control panel. The client used Plesk to create the virtual hosts, and the config ...
0
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1answer
107 views

Infrastructure design recommendations for a simple proxmox setup

I am aware of the dangers of this question being non-constructive so bear in mind I did my best to narrow the possible answers I get. I am swapping an old dedicated Gentoo server for a new one, and ...
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2answers
690 views

How to increase Free PE in LVM physical volume?

I use Proxmox 2.2 for making OpenVZ containers. It ships with a tool called vzdump that can create backups of OpenVZ containers on the fly. It uses snapshot functionality of LVM to create temporary ...
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2answers
135 views

`fuse`-like mounts on linux-vserver/openVZ?

I don't know much about servers or virtualization. However, for the last years, I've been using a rented linux-vserver as my backup drive and for recording radio shows through cronjobs. I ran out of ...
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1answer
297 views

How do you enter the console of a openvz container from the host?

I lost the password for my OpenVZ container(actually I was using private key ssh but lost the file, so after setup I never logged in with root password) but I still have root access on the host ...
2
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1answer
308 views

CentOS OpenVZ kernel panic when mounting ext4 truecrypt volume in nokernelcrypto mode

I am experiencing kernel panic when trying to mount a ext4 filesystem which itself resides on a truecrypt volume mounted using -m nokernelcrypto option. The system is CentOS 6.3, OpenVZ Kernel ...
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3answers
116 views

Is there any server virtualization software supports subdomains? [closed]

I installed openvz in my server but to create more virtual machines I need more than one ip address. But my service provider can only give one ip address for my server. Is there any software that ...
0
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1answer
202 views

How can Apache be installed in a OpenVZ container

I have OPenVZ running on CentOS and a precreated Ubuntu 10.04 OS template installed.The containers created have 2GB of disk space allocated.With this,can I have an Apache web server running within a ...
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1answer
55 views

apt-get authentication error in OpenVZ Debian container

Whenever I receive upgraded packages from security.debian.org, I get the following error: WARNING: The following packages cannot be authenticated! apache2 apache2-mpm-prefork apache2.2-common ... ...