Questions tagged [openvz]

OpenVZ is a container-based virtualization solution for Linux

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OpenVZ 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.

OpenVZ is free open source software, available under GNU GPL.

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34 questions
6
votes
3 answers

Is there any way to run 64bit Virtual Machine on 64bit processor without hardware virtualization (amd-v, vt-x)?

We have a 64bit virtual machine (CentOS) that we'd like to run on 64bit host-machine (may be running under any OS), but that host-machine doesn't support hardware virtualization, which, you know, should be for running 64bit virtual machines in it. I…
6
votes
2 answers

Identify OpenVZ virtual machine from inside

Is there any way for me to identify which OpenVZ container I am in, from inside the container? I am working on a setup where OpenVZ machines shall boot the same (read-only) disk image, so I can not configure them individually in the file system. I…
6
votes
2 answers

Nmap "operation not permitted" error

I'm running CentOS 5.3 in an openVZ container, and I'm receiving "operation not permitted" errors from Nmap. [root@test nmap-5.21]# ./nmap scanme.nmap.org Starting Nmap 5.21 ( http://nmap.org ) at 2010-12-12 17:03 MSK Warning: File ./nmap-services…
a--
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6
votes
2 answers

Is it bad idea to do apt-get upgrade in OpenVZ container?

Now I have problems with one of my VPSs. My hosting provider declared me, that problems may be caused by executing apt-get upgrade inside my VPS (Ubuntu 14.04.1 LTS x64, OpenVZ) and that it is bad idea at all. I have tried to find in the Web any…
Aleksey
  • 63
5
votes
1 answer

Permission denied when setting values in sysctl on Ubuntu 12.04

I am trying to configure my Ubuntu 12.04 VPS (OpenVZ) to reboot when it runs out of memory. To do this I have added following lines to my "/etc/sysctl.conf" file. vm.panic_on_oom = 1 kernel.panic = 14 But when I run the configuration using the…
Jay Bhatt
  • 163
3
votes
1 answer

Rsync out of memory

I'm using a VPS (running Debian) with 512mb RAM. I'm trying to copy some file locally on the server with rsync, but it fails fast with this message: rsync: writefd_unbuffered failed to write 5 bytes to socket [sender]: Broken pipe (32) rsync:…
3
votes
1 answer

Install cuda driver in an virtual container of proxmox

I have installed 2.6.32-17-pve on my host machine with: 02:00.0 VGA compatible controller: NVIDIA Corporation Device 11c6 (rev a1) (prog-if 00 [VGA controller]) Subsystem: Giga-byte Technology Device 3557 Flags: fast devsel, IRQ 16 …
wush978
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3
votes
1 answer

Error while installing OpenVZ kernel using yum in Fedora 17

I was trying to install OpenVZ kernel(rhel 6) in Fedora 17.Things worked fine until i issued the 'yum install vzkernel' command.The messages that i get at the end are: Error: systemd conflict with vzkernel-2.6.32-042stab072.10.i686 Package:…
charmin
  • 73
2
votes
1 answer

Is LAMP needed in Centos 6.3

I am planning to install OpenVZ on Centos 6.3 and create containers using OS templates.I understand OpenVZ creates Virtual Private Servers.So is there a need to install LAMP in the host distro before installing OPenVZ?
charmin
  • 73
2
votes
1 answer

high virtual memory usage in openvz?

We're having a lot of memory problems on a new OpenVZ box. It is supposed to have 1 gig of memory, I'm not sure how much of that is burstable or guaranteed memory. Programs in general seem to take up more virtual memory than they do on my box at…
freedrull
  • 1,083
1
vote
0 answers

OpenVZ fails on container create (Unable to get appcache tarball name)

I have OpenVZ installed on CentOS 7.1. after i execute vzctl create 101 --ostemplate debian-7.0-x86-minimal i get command /usr/sbin/vzpkg exited with error 8 Unable to get appcache tarball name for ve-basic.conf-sample with ostemplate…
1
vote
1 answer

Routing Multiple Public IPs to internal subnets

I have been assigned a block of /29 ips for a dedicated server I rent. I want to be able to keep one of these IPs for managing the server itself, and forward each of the rest to its own internal subnet, for multiple OpenVZ containers to be able to…
1
vote
0 answers

Can vSwap and Burst RAM coexist on an openz container

I notice some VPS hosts offer vSwap or Burst. I was wondering if possible that a container could and would use both vSwap and Burst. How would this work in allocating which RAM space is used?
1
vote
2 answers

Java under OpenVZ and hosting under virtual machines

Skype Chat [10:27:47 PM] Koby: Xen is better for Java anyway [10:28:11 PM] ME: does java have issues in other virts? [10:28:47 PM] Koby: OpenVZ, yes. [10:29:03 PM] ME: any reason why? [10:29:04 PM] Koby: Crashes a lot. [10:29:16 PM] Koby: It's very…
1
vote
0 answers

Individual sites on an OpenVZ container

How do I go about setting up a single container on OpenVZ that has it's own website with its own path to the public html directory. For instance, container 1 would have website1.com with its own directory of files it references for the public…
Stu
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