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New
The latest blog posts to take off on Hacker News. 17 posts.
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Advanced SSH Techniques
At one site where I provide technical assistance, access to the network is all done via ssh over the Internet. However, one can't get access to the machines directly; one must first make an ssh connection to a gateway box I'll call martha. martha doesn't allow one to use regular passwords or keys, though. We're all…
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A full TCP/IP stack in under 200 LoC (and the power of DSLs)
(Note: This is the third and final part of a series. Part one appeared Monday and part two appeared yesterday.)
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How to run a Linux based home web server
Sometimes you need complete control over the server, and don't want to pay $20 to $40 a month for a VPS. In this article, I'll describe step by step how to set up a home web server using Ubuntu, capable of handling modest spikes in traffic.
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Http-https transitions and relative URLs
When building a web site with HTTPS pages, one of the annoying tasks is to ensure that those pages make no references to HTTP resources. If they do, then Internet Explorer will pop up alarming messages about mixing secure and insecure content, and do you want to display the insecure content.
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The problems with url shorteners
URL shortening services have been around for a number of years . Their original purpose was to prevent cumbersome URLs from getting fragmented by broken email clients that felt the need to wrap everything to an 80 column screen. Addendum: They're useful in print , too. But it's 2009 now, and this problem no longer…
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Imminent Death of the Net Predicted due to RCF3484
Warning: the following is excessively technical, and is intended more for the sake of the next poor sod who types "vista dns round robin resolution" into Google than it is for my actual friends list. (Except for a few of you. And you know who you are.) Also, since I want this to be searchable on…
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Why GPSes suck, and what to do about it
I’m the lead of the GPSD project , a service daemon that monitors GPS receivers on serial or USB ports and provides TPV (time-position-velocity) reports in a simple format on on a well-known Internet port. GPSD makes this job looks easy. But it’s not — oh, it’s decidedly not — and thereby hangs an entertaining tale of…
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Why HTTP?
The world doesn’t need another arbitrary binary protocol. Just use HTTP. Your life will be simpler. Originally this came up when scaling a gaggle of MySQL machines. I would have killed for a reliable proxy. It’s with this in mind that I’ve come up with my list of things that HTTP has that an arbitrary protocol will…