Clerical Rigor

Category: Hardware

  • AoE root for KVM guests

    Intro So. I’m trying to get familiar with libvirt and friends. To this end, I’ve set up a Lucid virtual machine booting from PXE into an initrd environment which does a pivot_root to an AoE block device. The #virt channel on irc.oftc.net told me that in order to have libvirt provide PXE capability, I would…

  • Xen PV network driver

    I haven’t used Xen HVM until recently. When I was at Amazon and hanging with the Xen provisioning folks, I recall complaints about the performance of network drivers on HVM instances. I’ve recently discovered that this was due to the use of the ioemu virtual interface (vif) system. In paravirtualized environments, Xen vif devices are…

  • Well, that was an eventful day!

    *whew* I did a bunch of things yesterday. We took our kindergärtner to her first Friday at her new school (and were about 10 minutes tardy. oops). We then took our toddler to a nearby playground with swings and slides and let her expend some energy. After she had been sufficiently exercised, we walked back…

  • Sorry for the downtime

    One of my servers (and co-incidentally, the one on which this blog is hosted) was down for the last week. I ran out of space on / and created a new lv to store the contents of /usr. I named the lv dom0-usr but referred to it as amd0-usr in /etc/fstab. It didn’t boot so…

  • Mono on the G1

    I got a g1 for Fathers’ Day (Thanks Hannah!) and I’ve been futzing with it a bit. I rooted it and set up a chroot debian system. It’s running an ssh server, openvpn and snmpd. There’s been a lot of talk about getting flash working on the device. They just announced yesterday the next phone…

  • Debian router online

    So… I got my Debian router online. I expect to add ipv6 support to my network real soon now. The permanent storage is a 2G CF card with a CF to IDE adapter. The system has 1G of memory. The quagga bgpd has a full IPv4 table loaded. It looks like it’s eating around 180M…

  • Installing Open Solaris as a Xen domU

    This particular dom0 is running Ubuntu 8.10 on an amd64 kernel using an lvm volume group called ‘vg0’. Adjust accordingly. Note that the credentials for this particular live cd are: unprivileged username: jack unprivileged password: jack privileged username: root privileged password: opensolaris I have been meaning to add a Solaris machine to my network for…

  • Everett Wireless Data Center

    I’m putting together a WISP, I guess. Here’s the mast in the basement prior to mounting it: Here’s the fancy antenna strapped to the chimney: Here’s the rack of computers that will be participating on the network:

  • Running a console cable to the radio

    So, I’m attaching a radio to the chimney. I don’t want to have to bring it down every time I need to flash the firmware, so I’m also running an rs-232 cable up to it along with the PoE data/power cable. Since they don’t have anything pre-built, I wired one myself. I also made a…

  • IronRuby continuous integration machine back online

    Thanks to my wife’s support, the DLR & IronRuby mono build machine is up and kicking again. http://ironruby.colliertech.org/integrity/ironruby