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  1. Mac GPT partition table recovery

    UPDATE (Jan 12th 2012): see end of post for a much quicker restore method.

    For reasons yet unknown, my Mac system disk lost its partition table (GPT) yesterday. This is how I recovered:

    Finding

    I booted an old copy of my OS X install from USB and downloaded testdisk. I ...

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  2. it's shit like this, PHP

    This 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 ...
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  3. twitter clients, redux

    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.

    • Nambu: lost DM support last week. No streaming. Often errors during refresh. Otherwise, best client ever.

    • Twitter.app: looks like shit. Does not ...
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  4. from symlinks to private keys

    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 ...

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  5. on CVE-2010-3435

    When 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    I recently ran into an issue where this information popped up twice on each login – one up-to-date entry and one outdated entry.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 ...

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  6. dreaming wikipedia

    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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