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Monthly Archives: March 2010

Verizon (WiFi) Tether Options

24-Mar-10

Our company is switching to Verizon. Currently, we’re a hodgepodge of AT&T and Sprint. Most of us have 4G data cards. The idea is that we switch our mobiles to Verizon and possibly use the tethering available on Verizon phones. Here’s my attempt to lay out the tethering options (as of March 2010): Be the […]

Web Host Performance Comparison

18-Mar-10

Results Median Connection Time  ± Std. Deviaton (ms) To: From DreamHost PS From my office (in Chicago) A Small Orange 465.5 ± 332.6 544.5 ± 1012.6 Crucial Paradigm 511.5 ± 162.0 537.5 ± 112.1 DreamHost 574.5 ± 321.5 893.5 ± 203.5 MediaTemple 520.5 ± 530.1 802.5 ± 234.6 SteadFast 523.5 ± 69.8 260.5 ± 43.6 […]

Adding new repos to CentOS / RHEL5

16-Mar-10

From http://www.trinitycore.org/forum/mercurial-centos-t3113.html?t=3113 Essentially, the post shows one how to install priorities, to provide priority protection against a foreign RPM repository from over-riding (upgrading) a native CentOS/RHEL repository. Then, the RPMForge repository is added with a priority of 9 (so you can add packages, but the package definitions from native repos will over-ride RPMForge). Be the […]

Horrendous FreeBSD bonniee++ latency

16-Mar-10

On my ZFS tank: On the SATA internal hard drive: Thought maybe that automatic ZFS snapshots were getting in the way. But no: Test with : ——-Sequential Output——–—Sequential Input––Random– -Per Char-–Block—-Rewrite–-Per Char-–Block—–Seeks— MachineMBK/sec%CPUK/sec%CPUK/sec%CPUK/sec%CPUK/sec%CPU/sec%CPU fbsd8192869834.71201714.0805012.91782864.23848325.7 54.5 1.6 Be the first to like. Like Unlike

Tuning FreeBSD for Samba network performance

16-Mar-10

I’ve already compiled a custom kernel that enables polling. I’m now following http://forums.freebsd.org/showthread.php?t=9187: in : Luckily, I had already built samba with AIO support. In : In : in : See also http://www.psc.edu/networking/projects/tcptune/. Nuts. Still topping out at 11 MB/s. Wonder if it’s the disk, or if it’s the Windows 7 machine that I’m using […]

Python pretty print in hex

12-Mar-10

I recently needed to pretty print something from Python, but I needed the integers printed in hex rather than decimal. I overloaded the [cci lang="python"]PrettyPrinter[/cci] class to do it.

Archiving syslog (dmesg)

09-Mar-10

I’m about to build a FreeBSD kernel, so I decided to keep track of my boot-up console messages. I ran the following: (Replace with a real email address.) Be the first to like. Like Unlike

KeeFox is cool

07-Mar-10

I’ve been using KeePass 2 for a while now. It’s really cool and portable and safe etc. However, it doesn’t integrate with Firefox. Until now: A talented developer has a plugin for FireFox called KeeFox. It’s really cool. Here’s a screenshot: KeeFox essentially over-rides Firefox’s native password database. Instead, all passwords go to and from […]