When I posted the idea from my previous blogpost to the ipv6hackers mailing list and my Twitter account, I was expecting to hear that this had been done before and I had found nothing new.
As it turns out, many people (Viagénie, Bill Manning, Ryan Rawdon) knew about this trick ...
read moreA technique for quickly finding existing reverse (PTR) entries in ip6.arpa- zones occurred to me recently. A cursory internet search reveals little about the subject, suggesting nobody else may have connected these dots before. So, I wrote a rudimentary tool to test the idea. Results: AWESOME. One tested /48 ...
read moreUPDATE (Jan 12th 2012): see end of post for a much quicker restore method.
UPDATE (written 19th March 2015, don't recall release date): Samsung now has a firmware updater that works on Mac, and the update fixes this issue.
For reasons yet unknown, my Mac system disk lost its ...
read moreThis post has two snippets of code that demonstrate some aspects of the braindeadness that appears to be inherent in PHP arrays. I suggest trying to predict the output (especially with exhibit A) before you run the scripts, for extra fun ;)
Exhibit A:
<?php
// create empty array $a
$a = array ...With the demise of Nambu into no-DM-territory, I am looking for a new Mac OS X Twitter client again. This time, no reviews, just short (rejection) notes.
In my previous blog post I wondered
I don’t know what the mathematical implications of having the last few bits of a private key are, but it can’t be good.
As it turns out, for DSA, quite bad.
In short, this pam_env symlink issue, in some cases, allows ...
read moreWhen logging in, Ubuntu shows (admin?) users some useful information, such as
70 packages can be updated.
35 updates are security updates.
I recently ran into an issue where this information popped up twice on each
login – one up-to-date entry and one outdated entry. Some investigation showed
that somehow /etc ...
Last night, I dreamt that this Wikipedia-article existed, with these lines in it.
Load average
Originally defined as the difference between available system memory and free memory.
...
Load average can also be calculated for car engines; a common value is 2.2.
I swear I’m not making this up ;)
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