VMware

Register & NTP: http://communities.vmware.com/thread/233871
copy iso To datastore (host): http://vmetc.com/2008/06/04/use-the-vi-client-datastore-browser-to-uploa...

libvirt manage: (esxi 5.0 nem megy)
aptitude install python-dev libnl-dev comerr-dev comerr-dev krb5-multidev libcurl4-gnutls-dev libdevmapper-dev libgcrypt11-dev libgnutls-dev libgpg-error-dev libidn11-dev libkrb5-dev libldap2-dev libselinux1-dev libsepol1-dev libtasn1-3-dev libxml2-dev

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Get a list of running virtual machines, identified by World ID, UUID, Display Name and path to the .vmx configuration file, using the command:
esxcli vm process list

Power off one of the virtual machines from the list using the command:
esxcli vm process kill --type=[soft,hard,force] --world-id=WorldNumber

Note: Three power-off methods are available. Soft is the most graceful, hard performs an immediate shutdown, and force should be used as a last resort.
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vim-cmd vmsvc/getallvms - this command checks for your existing VMs, then run
vim-cmd vmsvc/power.off
vim-cmd vmsvc/power.restart
vim-cmd vmsvc/power.sh (nem acpi, NT4-en is működik)

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cron:
var/spool/cron/crontabs/root

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shutdown and reboot commands
reboot -f
halt

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ssh key auth.:

/etc/ssh/keys-root-/authorized_keys