Monthly Archives: April 2008

A multi-everything virtualisation manager !

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.

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 !

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.