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tl;dr
This article is going to explain how a recent privilege escalation exploit for the Linux kernel works. This exploit affects CentOS 5 and 6 as well as other Linux distributions. Linux kernel version 2.6.37 to 3.8.9 are affected by this exploit. I will explain this exploit from the kernel side and the userland side to help readers get a better understanding of how exactly it works.
Copyblogger (subscribe to their RSS feed or mailing list) is a blog about pretty much all of the above. The amount of new content there is a bit on the high side but the quality makes up for that.
Once you got the basics covered, you're ready to get into the nitty-gritty details of teaching your audience. Neil Patel of Crazy Egg and Kissmetrics just recently published a free minibook called the Advanced Guide to Content Marketing . Aforementioned Copyblogger …
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If you enjoy this article, subscribe (via RSS or e-mail) and follow me on twitter.
tl;dr
This blog post will show how a fix for XFree86 and linuxthreads ended up causing a major threading regression about 7 years after the fix was created.
The regression was in pthread_create . Thread creation performed very slowly as the number of threads in a process increased. This bug is present on CentOS 5.3 (and earlier) and other linux distros as well.
It is also very …
- time to bleed by Joe Damato: A closer look at a recent privilege escalation bug in Linux (CVE-2013-2094)
RSS feeds of latest deploys and builds kicked off
Mentions of @ 37signals and basecamp.com on Twitter
Green/red status for each app based on Nagios alerts
That's a lot of data densely packed into one iPad screen! Integrating with Status Board really didn't take that much effort. For a table, serve up an HTML table. For graph data, wire up some JSON . Need more than that? Drop in an entire HTML page if you need it. There's guides for hooking up your data included, …
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Amazon Coins - If I had to bet, I'd bet on corporate-sponsored alternative currencies getting a lot more traction than BitCoin in the long run.
Feed the Fire - An RSS to Firebase sync service - Might be the bare bones of an alternative to Google Reader.
bluePen - "Online Visual CSS Editor" to let you tweak things right in the browser.
Devpressed - Discussion board for developers suffering from depression.
One of my favorite conferences every year is Microconf , because it focuses on small software businesses, which is where my heart and soul is businesswise. I know a lot of folks can't justify a trip out to Vegas (though you should really come in 2014 if you possibly can — 2013 is only a few days from me posting this and already quite sold out), so I always ask Rob and Mike (the organizers) for a copy of my video so I can produce a transcript and put it online. My 2012 talk …
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- SD Ruby Podcast: Episode 011: ActsAsTaggable Plugin
- Positive Incline: Intangibles, value and risk (or: Portfolio thinking)
- Derek Powazek: links for 2010-03-26
- A Piece of Our Mind: Out and About
- The "Tech. Arch.": Improving Web Conversions In 3 Key Steps
…series. That will involve some more extensive changes, including the incorporation of a new spec syntax supported by the latest version of RSpec (so-called feature specs ). I expect this to happen some time later this year.
To get future announcements delivered to your inbox, subscribe to get email notifications. (Google apparently doesn't believe in RSS, but I do, so you can also subscribe to the news feed .)
- A Fresh Cup: Double Shot #1090
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There is no doubt that RSS is still popular with the vocal minority of the tech enthusiast crowd, but for everyone else RSS has transitioned to an invisible technology that powers many of the services that millions of people use on a daily basis. They don't see things like Pulse or Flipboard as an RSS feed reader. They look at is as their iPad news app. Similarly, the Apple Podcasts app isn't a " Podcatcher" or an RSS reader that supports enclosures. It is just …
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- time to bleed by Joe Damato: Ripping OAuth tokens (or other secrets) out of TweetDeck, Twitter.app, and other apps
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To subscribe to a blog through its feed, one must find the RSS (or Atom) link somewhere on that blog. This takes some technical savvy. There's a <link> tag that makes it browser-discoverable. If the blog doesn't have that, it may have an RSS link or that orange icon somewhere in the header, sidebar, or footer.
In recent years, I've noticed that some blogs just don't provide any sort of link to a feed. No <link> tag that gets detected by a browser. No RSS…
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Bring Ruby VCR to Javascript testing with Capybara and puffing-billy - We do love our test tools.
State of RSS Readers - Roundup of alternatives to the now-defunct Google Reader.
Mailtrap - Free fake SMTP server for testing.
Bulletproof Demos - How to use Google Chrome as a demo engine.