Questions tagged [openvz]
OpenVZ is an open source containerisation 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 virtualization technologies.
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Can OpenVZ have SLES, CentOS, and OpenSuse guests?
I have a SLES Xen Host and a CentOS Xen host, so I was wondering, if I would be able to migrate these Xen guests (CentOS 5, SLES 10, OpenSUSE 11) to OpenVZ?
None of the guests uses any kernel feaures....
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Virtualization solutions for a small Linux server?
I have a little machine ( AMD Athlon 64 X2 2.1 GHz, 3GB of DDR2, 320GB disk space) that I use as a server,
I would like to convert it as an Hypervisor to host many little Linux Virtual Machines (...
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Karmic iptables missing kernel moduyles on OpenVZ container
After an unsuccessful p2v migration of my Ubuntu server to an OpenVZ container which I am stack with I thought I would give a try to a reinstall based on a clean OpenVZ template for Ubuntu 9.10 (from ...
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OpenVZ container as gateway performance issue?
I am running a lot of openvz container in server. Now I have a lot of performance issue, and I think they come from I/O since munin graph show a lot of I/O activiy.
Server is proxmox, and it was ...
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openvz graphing user_beancounters
We run a cluster of openvz servers and are looking for a way to automatically graph the content of user_beancounters for all ves. We currently have a fairly rudimentary cron which alerts us when ...
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OpenVZ - share files between virtual machines (VEs)?
Is there any way to share a directory of files between virtual machines running in OpenVZ? My particular use case is that I want to have a shared YUM cache directory, for when they all need to run ...
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Partitioning recommendations for a Proxmox VM Server (OpenVZ)
We are new to virtualization and we are planning to turn our online server into a virualized one, mainly for maintenance, backup and recovery improvements.
Initially we would only have one real ...
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OpenVZ and VMWare Server 1.x on the same Server
Has any used a server to run both OpenVZ and VMWare Server? Are there any issues with doing this I should be aware of?
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OpenVZ: limit number of cpu cores per VE
Is there a way of limiting number of cpu cores seen from inside a VE?
I have an eight core server, but I want my VE to see only one particular core.
Thanx!
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OpenVZ Host is the source IP address rather than actual web surfers?
I am experiencing something a little bit odd. I'm running OpenZV on a CentOS 5 server. It appears that on containers the source IP address that say Apache webserver sees a request from is the OpenVZ ...
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install and config openVZ [closed]
I want to install OpenVZ on my server(fedora10), and then assign a block of ips to each of the vps. I have a moderate amount of linux knowlege, how much effort is involved to setup what I just ...
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openvz shared configuration
I have 9 openvz VEs running on 3 physical servers. I'd like to add another VE to each physical server. Soooo, each physical server would then be running 4 VEs.
I used vzsplit -n 4 to generate new ...
razor
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openvz performance issues
I have two VEs running on the same physical server. One VE sends requests and the other reads/processes them. I'm trying to benchmark the setup, but I keep blowing through the UBC limits. Things ...
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Which Cloud Computing provider support user-provided Linux kernel?
I'm looking for a Cloud Computing provider which provide servers on-demand and billed per hour (like EC2) with the ability to use an alternate kernel (they often use Xen for cloud servers). I want ...
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Creating a dedicated vpn client endpoint in Linux
Is is possible to set up a Linux + OpenVZ solution with one VE for a pptp client and another VE for a vpnc client?
What tips might you have?
What gotchas have hit you before?
Obviously I'm not (...
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managing openvz on multiple servers
I have 3 (quad core each) servers that I'm going to run a small 10 server virtual cluster on. I'm using openvz. xen and kvm aren't options.
My current plan is to have a script that resides on each ...
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100% memory usage--is it Virtuozzo?
I have inherited a server that is a Virtuozzo guest. I just noticed that /usr/bin/free is reporting 100% or near-100% memory usage; no shared, no buffers, no cache:
# free -m
total ...
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Log Rotate and OpenVZ Virtual Machines
I noticed that my OpenVZ virtual machines (VEs) don't have logrotate installed, and my logs are getting a bit big :-)
Since the file systems of the VEs are exposed to the host via /vz/private/.. , ...
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How to mount glusterfs inside a OpenVZ container?
glusterfs uses fuse to mount a glusterfsd volume, wich works fine on any hardwarenode without virtualization.
But, I now try to mount the device inside a container
glusterfs --debug -f /etc/...
Marcus Spiegel
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Best way to benchmark linux virtualization solutions
I'd like to run some benchmarks on linux virtualization solutions (namely Xen, KVM and OpenVZ) and I'm currently thinking about how to set up the test environment. My current approach would be the ...
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Which Apache package is best for mod_wsgi Django application?
In Ubuntu (and Debian, and other distro) there is a few Apache packages (mpm-event, mpm-prefork, mpm-worker). Which is the most suitable for hosting Django mod_wsgi application on single CPU server? ...
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What is the best practice to backup OpenVZ containters?
I'm running Linux server with OpenVZ containers. I back up data with rdiff-backup in two steps (to minimalize downtime). First step is on live containter, and second step is on suspended container.
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Which virtualization platforms should I choose, Xen or OpenVZ? [closed]
I am upgrading my shared hosting to VPS hosting, mainly to just add server administration skills to my development skills, so I'm facing a lot of new choices just signing up.
I need to choose a ...
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OpenVZ migrate and failover from NAS?
Is there any supported way besides using a SAN (with one VE on a LUN) to have migration and failover in an OpenVZ cluster? From what I've read, things like NFS will not work, but I haven't seen any ...
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