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This just in: anything having to do with servers is a “cloud”! Yay!

June 19, 2008

From this article on BusinesWeek:
In addition, through its Data Center Solutions Group, Dell builds clouds, the large groups of computers whose collective power can be tapped remotely, via the Internet. Customers for DCS-built clouds include Yahoo! (YHOO), Facebook, and Akamai (AKAM) as well as big Chinese Internet companies like Baidu (BIDU), Tudou, Tencent Holdings, and [...]

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My wife is super.

May 11, 2007

She just referred to our largest suitcase (we’re packing for a weeklong trip) as a “single point of failure.”

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It’s great when computers can do things for you

December 22, 2006

I hate building packages, but it’s a necessary part of the job sometimes. I have loved checkinstall for years, which basically replaces “make install” with something more like “make an rpm package for me”.
But of course, when you have a simple tarball, and there’s no make install step to replace, then what ?
One possibility [...]

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watching who’s talking to who, and about what

December 22, 2006

1 – I’m glad that tcpdump has been the standard for capturing network traffic, cause I’ve learned a lot over the past 12 years using it.
2 – tcpdump tools suck.
But I’ve been using pktstat recently, and it’s pretty damn good. ‘top’ for network, without all that stuff that ntop comes with.

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TCP bug

December 21, 2006

when you see this:
(loaded box, lots of network, 2.6.9.x kernel, etc.)
Dec 21 04:05:58 hostname kernel: ————[ cut here ]————
Dec 21 04:05:58 hostname kernel: kernel BUG at net/ipv4/tcp_output.c:927!
Dec 21 04:05:58 hostname kernel: invalid operand: 0000 [#1]
Dec 21 04:05:58 hostname kernel: SMP
do this:
Add to sysctl.conf:
net.ipv4.tcp_retrans_collapse = 0

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