Update 2015-01-05: I was more or less forced to adopt VT, UTF-8, KMS, and DRM2 when I upgraded my laptop from stable/9 to stable/10 in the time between Christmas of 2014 and New Year of 2015. My laptop, a Dell Latitude D531 of mid-2007 design, is equipped with the AMD/ATI Radeon X1270 GPU. What an […]

Read More → FreeBSD VT aka newcons in base/head

FreeBSD’s local_unbound DNS resolver was introduced in head in September 2013, and later in stable/10 when that branch became available. Its configuration out of the box, particularly its treatment of the /etc/resolvconf.conf, assumes the local_unbound resolver is the sole resolver to be used. The reason for this blog entry is that I appreciate being able […]

Read More → FreeBSD’s local_unbound in mobile environments

Enabling Personal Printer Data Stream (PPDS) on a Lexmark MS510dn is pretty well hidden. None of the first two suggestions by Lexmark worked on this model. (Suggestion 1, suggestion 2.) You need to send the printer a PJL command like this one: Why on earth can’t this option be available in the menus with the […]

Read More → Enabling PPDS on Lexmark MS510dn

After long hours of googling at work and at home, I finally arrived at http://www.excaliburtech.net/archives/192, stating this is the way to disable IPv6 autoconfiguration, say when you’re more keen on using a manually configured IPv6 address: netsh interface ipv6 set interface “Local Area Connection” routerdiscovery=disabled

Read More → Disabling IPv6 autoconfiguration in Windows servers

See http://lists.freebsd.org/pipermail/freebsd-xen/2013-August/001681.html and http://lists.freebsd.org/pipermail/freebsd-xen/2013-August/001683.html. [R]emove [the] DVD device from [the] problem[atic] virtual machine: # xe vm-list params=uuid name-label=”<your-vm-name>” # xe vbd-list empty=true params=uuid vm-uuid=<your-vm-UUID> # xe vbd-destroy uuid=<vbd-UUID> I can confirm the above steps really makes a FreeBSD stable/9 amd64 XENHVM kernel tick on XenServer 6.2.0. stable/10 and head works out of the box without […]

Read More → Making a FreeBSD/amd64 XENHVM kernel boot on XenServer 6.2.0

A student came into my office today and wondered if I could assist him with replacing the BIOS battery on his HP Compaq Presario CQ56 laptop. Sure, I said, not knowing what a daunting task I soon would be facing.

Read More → Replacing the BIOS battery on a HP Compaq Presario CQ56 – a complete disaster from an engineering standpoint