Tech Messages | 2008-07-01

A special extended edition of Tech Messages for 2008-06-27 through 2008-07-01:

• High MOSFET Turn Off Delay Results in 1.5V Regulator Failure - Card Remains in Reset  [Cisco ONS 15300 Series]
  A card may display the failure signature when the Red Fail LED is continuously illuminated. This indicates that the card is in a constant state of reset, which may result from this issue.
• Automated Testing with unittest and Proctor
• Is DNS the Achilles heel in your MySQL installation? | MySQL Performance Blog
  This is probably common knowledge for most MySQL DBAs, but it’s worth noting.
• Windows Sysinternals: Documentation, downloads and additional resources
  Every Windows administrator should be familiar with Sysinternals. Now that Microsoft owns them, you can find the tools here.
• /dev/random » dns2tcp: How to bypass firewalls or captive portals?
  I’ve never tried this, and I’m not sure encouraging people to steal Internet service is a great idea, but I think it’s a pretty cool tool.