Lxlabs HyperVM is a multi-platform, multi-tiered, multi-server, multi-virtualization web based application that will allow you to create and manage different Virtual Machines each based on different technologies across machines and platforms.
Monthly Archives: April 2008
OpenVZ vs Xen
VPSLink have a useful page comparing their OpenVZ and Xen Hosting Platforms with some great graphics showing where the virtualisation layers are in each solution !
Ubuntu 8.04 VPS are already available !
At least VPSLink are already advertising OpenVZ & Xen Ubuntu 8.04 VPS VMs from $8/m !
VPSLink CentOS VPS plans
VPSLink Ubuntu VPS plans
Virtualisation HowTo's @ howtoforge
The howtoforge has a great set of virtualisation howto‘s for Xen, KVM and more !
Xen Source Cool Configurations
Xen Source Cool Configurations is a blog / wiki of some of the coolest Xen configurations around !
Jailtime.org: Virtual filesystems for Xen
Jailtime.org
provide a variety of downloads and howto’s to facilitate use of the Xen Virtual Machine Monitor.
Jailtime.org have Linux distributions that can run as Xen guests out of the box, obviating the need to create your own custom filesystems. The filesystems on this site have already been tweaked to deal with Xen’s idiosyncracies, and are also designed to be lightweight and minimally divergent from the original distribution.
XEN vm hwclock issues
It seems there are some issues with xen hwclock and centos and ubuntu xen vms !
- http://howtoforge.com/debian_sarge_xen_3.0.3_p7
- https://help.ubuntu.com/community/Xen
- http://wiki.xensource.com/xenwiki/CoolConfigurations
- http://jailtime.org/download:centos:v5.1?s=hwclock
You may find that installing
# yum install system-config-date
and using timeconfig instead might help
VMware Server and top !
Have you ever wondered which VM is which when looking at top
top - 11:58:00 up 56 days, 1:08, 1 user, load average: 0.57, 0.59, 0.96 Tasks: 88 total, 2 running, 86 sleeping, 0 stopped, 0 zombie Cpu(s): 1.8%us, 12.1%sy, 0.0%ni, 86.1%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 1553968k total, 1517840k used, 36128k free, 4500k buffers Swap: 2040244k total, 107652k used, 1932592k free, 1282832k cachedPID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 12387 user 5 -10 793m 533m 479m S 1.4 35.1 83:56.98 vmware-vmx 12310 user 5 -10 743m 510m 497m S 8.9 33.7 277:42.39 vmware-vmx 3368 user 5 -10 447m 182m 168m S 2.1 12.0 3214:21 vmware-vmx 2537 root 15 0 19040 4728 1572 S 0.0 0.3 95:12.36 vmware-serverd
well just make your xterm screen wider run “top” and press “c”
top - 11:58:10 up 56 days, 1:09, 1 user, load average: 0.56, 0.59, 0.96 Tasks: 88 total, 1 running, 87 sleeping, 0 stopped, 0 zombie Cpu(s): 1.2%us, 12.6%sy, 0.0%ni, 86.1%id, 0.0%wa, 0.1%hi, 0.0%si, 0.0%st Mem: 1553968k total, 1517964k used, 36004k free, 4516k buffers Swap: 2040244k total, 107652k used, 1932592k free, 1282888k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 12387 user 5 -10 793m 533m 479m S 1.4 35.1 83:57.12 /usr/lib/vmware/bin/vmware-vmx -C /vmfs/w2k8/w2k8.vmx -@ "" 12310 user 5 -10 743m 510m 497m S 8.3 33.7 277:43.21 /usr/lib/vmware/bin/vmware-vmx -C /vmfs/rhyth/rhyth.vmx -@ "" 3368 user 5 -10 447m 182m 168m S 3.2 12.0 3214:21 /usr/lib/vmware/bin/vmware-vmx -C /vmfs/redmine-0.5/JumpBox.vmx 2537 root 15 0 19040 4728 1572 S 0.3 0.3 95:12.39 /usr/sbin/vmware-serverd -s -d
Google App Engine JumpBox
The Google App Engine JumpBox gives you a drop in place system for doing Google App Engine development that’s contained in an isolated environment within a virtual machine.
It runs exactly the same on GNU/Linux, Mac and other OS’s and gives you a development environment that lets you take advantage of great virtualization features like snapshots. It will run from a single download on Parallels Desktop, VMWare, Virtual Iron, Xen Open Source in fully virtualized mode and others.
VMware Server 1.0.5 now available
VMware Server Version: 1.0.5 | 3/14/08 | Build: 80187 | is now available !