Bitratchet

great blue heron

Bicycling, Photography and Programming

  • Internet Tube

    Internet Tube. Need this as wall poster!

    jedreynolds

    April 4, 2014
    computing
    architechture, internet, tubes, visualisation
  • Debug Mug

    Here’s a rough idea for some CR100 mug art.

    jedreynolds

    April 1, 2014
    Uncategorized
    art, coder radio, jupiter broadcasting, mug
  • More Than 1 In 4 Car Crashes Involve Cellphone Use – Slashdot

    More Than 1 In 4 Car Crashes Involve Cellphone Use – Slashdot. This says it all.

    jedreynolds

    March 28, 2014
    Cycling
    cell phones, hang up and drive, safety, unsafe driving
  • Linux friendly JBOD controller? (Not LSI!)

    I am refurbishing my ZFS on Linux backup box. It is an Asus/A2 motherboard chipset and runs slow but happily on two 3 four port sata controllers in a addition to all its server onboard sata ports. One of those sata crontrollers is on the PCI slot which will never run as fast. I can…

    jedreynolds

    March 25, 2014
    Uncategorized
  • Fixing SSH login long delay

    Originally posted on In just five minutes…: For a long time I had a problem with ssh login on a Redhat 6 server – it was taking too long to connect to it, around 30 seconds. Normally it hasn’t been a big issue – after all, you connect once and work for all day as…

    jedreynolds

    March 22, 2014
    Uncategorized
  • create virtual ethernet devices in linux? – Stack Overflow

    This is a great pile of advice on creating virtual network interfaces. networking – How do I create virtual ethernet devices in linux? – Stack Overflow.

    jedreynolds

    March 22, 2014
    computing
    Linux, network adapter, virtual networking
  • Setup DNS Server step by step in CentOS 6.3/6.4/6.5 / RHEL 6.3/6.4/6.5 / Scientific Linux 6.3/6.4/6.5

    Always good to have a nice reminder on how to configure a DNS service!

    jedreynolds

    March 21, 2014
    Uncategorized
  • Adware from your classic utilities? Arrrg!

    So yesterday I whipped up a temporary virtual machine of windows 7 for a brief test run. I needed winscp and 7zip. I am STUNNED by how much adware landed with those installs. Arcade software? Pre-bundled Chrome browser? Toolbars for Yahoo, and google? I am so IRRITATED by this! Am also grateful I was running…

    jedreynolds

    March 21, 2014
    Uncategorized
    7zip, adware, beware, free software, winscp
  • Keep that Laptop from Racing thru Battery

    Linux and Laptops: a long, old story. However, one that with a bit homework, helps get the most out of your battery. Using powertop, you can see your energy usage profile and your device power settings. The downside to powertop is that you cannot “export as shell script.” (Seriously, y u no export?) To get…

    jedreynolds

    March 11, 2014
    commuting, Linux, Programming
    bash, laptop mode, pci autosuspend, power savings, powertop, shell scripting
  • Atom 8 Core — your next server?

    I did not realize there were 8-core Atom server chips were a THING yet. They..are. Example: http://www.supermicro.com/products/system/1U/5018/SYS-5018A-MHN4.cfm and check this short-case 1U out: http://www.supermicro.com/products/system/1U/5018/SYS-5018A-FTN4.cfm It has QUAD Gig-E ports. Enough for you? 20W processor? That’s better than you can find with an AMD A-series.

    jedreynolds

    March 6, 2014
    Uncategorized
    1u, 8-core, atom, computing, gigabit, Linux, low power, multi-core
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