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Adjusting the VirtualBox F12 BIOS Boot Prompt Timeout

Date Mon 09 April 2012 Tags provisioning / pxe / rdp / sysadmin / vbox / virtualbox / virtualization / vm

I’m working from home today, connected by VPN. I’m in the process of testing a bunch of Puppet stuff, and needed to re-image a bunch of VirtualBox VMs on my desktop at work, using PXE boot to Cobbler. I’m only connected to the desktop by SSH, and …

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Xen/Etherboot and DHCP Problems

Date Tue 20 April 2010 Tags dhcp / dhcpd / etherboot / ldap / pxe / xen

Well, I’ve spend the better part of the last week or so debugging a problem with out new Xen VMs (on one host) not getting DHCP leases. Since our DHCP servers (ISC DHCPd 3.0.6) are using Brian Masney’s LDAP patch (which has recently been included in …

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How To Wipe a Bunch of Machines Quickly

Date Tue 03 February 2009 Tags automation / cobbler / dban / pxe / retirement / security / wiping

Updated 2009-03-05, see bottom.

At work the other week, we decommissioned 24 old desktops - Dell GX280’s that were used in the student labs as print release stations. They didn’t have anything sensitive on them, just Windows XP, but with licensing and all we have to wipe Windows off …

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  • Recent Posts

    • Adjusting the VirtualBox F12 BIOS Boot Prompt Timeout
    • Xen/Etherboot and DHCP Problems
    • How To Wipe a Bunch of Machines Quickly
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