Recent Posts

Using Kerberos Tickets with SSH

Posted on by Miles Steele

Athena over SSH

MIT supports ssh access to athena machines from on and off campus through athena.dialup.mit.edu.

To log in run:

$ ssh username@athena.dialup.mit.edu

replacing username with your athena username.

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Complex Conjugate Proof

Posted on by Miles Steele

We will set out to prove the equation (a - b)* = a* - b* where * means complex conjugate.

As a refresher, a complex conjugate of a complex number is the number which is the same but for a negated imaginary component. For example, the complex conjugate of 4 + 3i is 4 - 3i.

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Fragments - Short Story

Posted on by Miles Steele

Most of Oln sat in the observatory chairs and watched the vid-screens. Dull rain thudded against concrete below. Mounted security cameras by the door pumped the images up to the observatory where the rain fell again, noiselessly, before his eyes. While three of his subscribers’ attentive eyes scanned the screens, another was dozing on the sofa, and a fifth was out getting coffee for the rest. Oln, as a five-some, was pretty bulky by modern standards, but he felt fine. The Links had been gaining in strength lately. The folks over at LiveConnected Labs had been optimizing away the bandwidth caps that had been limiting people to only three or four subscribers. Oln enjoyed a hefty security-overseer’s salary and, like the rest of the American middle-class, spent almost all of it on the newest Link hardware. He had even managed to get his employer, a slowly rising politician with too much money, to open up a credit line exclusively for his Link maintenance, under the premise that the faster Oln could think, the better he would be as a defense from the nefarious.

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