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As thoughts turn in earnest to shopping and packing to depart January 1, here is a South Pole video from old times to get one in the mood for the coming trip. This was from my second trip, 13 years ago, taken by a camera deployed in one of the AMANDA strings, designed by our Stockholm collaborators.
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Jeff Cohen is the CEO of CampusBooks.com . He has worked in the textbook industry for the past 7 years. His previous company was MBS Textbook Exchange where he worked in advertising and promotions and later was promoted to General Manager of Textbooks.com. He is credited with the online marketing efforts such as their PPC campaign and wildly successful affiliate program which went from 0% of sales to 40% of sales in the first year alone..
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I will be posting interviews I have done at MO.com . They are at least two weeks behind what is on MO.com but I like to keep a record for personal purposes and as a record of my work.
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CVE-2010-4258: Turning denial-of-service into privilege escalation
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blog.nelhage.com
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15 years ago
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eng
Dan Rosenberg recently released a privilege escalation bug for Linux, based on three different kernel vulnerabilities I reported recently. This post is about CVE-2010-4258, the most interesting of them, and, as Dan writes, the reason he wrote the exploit in the first place. In it, I’m going to do a brief tour of the various kernel features that collided to make this bug possible, and explain how they combine to turn an otherwise-boring oops..
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CVE-2010-4258: Turning denial-of-service into privilege escalation
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blog.nelhage.com
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15 years ago
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eng
Dan Rosenberg recently released a privilege escalation bug for Linux, based on three different kernel vulnerabilities I reported recently. This post is about CVE-2010-4258, the most interesting of them, and, as Dan writes, the reason he wrote the exploit in the first place. In it, I’m going to do a brief tour of the various kernel features that collided to make this bug possible, and explain how they combine to turn an otherwise-boring oops..
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I’ve been pretty bored this month, and have also decided to take a break from some of my gaming. So I’ve been watching the tv series Stargate: SG-1 on Netflix. Pretty good, I think. It’s surprising that it’s over ten years old (from 1997). I keep wondering to myself why the cars are so old… It’s even weirder when I realize a lot of the kids in the show are my age.
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First of all, today I entered iiNet’s Top Geek competition. Vote for me ! Please? :D Second, today I got out of my Vodafone contract. My data connection has just been shocking over the past months and today I called up for something like the fourth time (it was the second time out of four attempts over the past few days when I actually got through). They switched me to prepay with no penalty rates when I communicated respectfully but f..
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I usually listen to Pandora at work. I'd rather listen to my personal library, but Pandora makes for a good second place. There's no question that it beats trying to store / sync untold gigabytes worth of audio on my work computer. Still, sometimes Pandora just doesn't cut it: especially when I want to hear a certain song. So, I decided to use lunch to figure out how to get my music collection into iTunes at work.
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This weekend was very eventful. On Friday, my recruiter had an awesome buffet lunch the Atrium in Burswood. The food was unbelievably awesome; there was such a huge variety! And the desserts - I was in heaven. All of the contractors were also given two bottles of wine, which was very generous.
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Unit tests are like Ewoks. They are your friends. They will help you. They will help you fight formidable enemies. They are cute and cuddly and adorable.
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I took some photos of the Ghent 6 day on the Grupetto trip out there. The full gallery is here , but some selected highlights are below:
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I took some photos of the Ghent 6 day on the Grupetto trip out there. The full gallery is here , but some selected highlights are below:
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What follows is a fan fiction written by me in 2010 and takes place in the fictional universe of Eve Online “Damn it!”. This is turning out to be a really bad week, Raiukat thought as he walked to the nearest medical station. The cut wasn’t as bad as it had first seemed. Not that it mattered. If they couldn’t get the engines back online soon a small cut was the least of his problems.
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Most of you reading this blog probably remember CVE-2010-3081. The bug got an awful lot of publicity when it was discovered an announced, due to allowing local privilege escalation against virtually all 64-bit Linux kernels in common use at the time. While investigating CVE-2010-3081, I discovered that several of the commonly-believed facts about the CVE were wrong, and it was even more broadly exploitable than was publically documented. I’..
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Most of you reading this blog probably remember CVE-2010-3081. The bug got an awful lot of publicity when it was discovered an announced, due to allowing local privilege escalation against virtually all 64-bit Linux kernels in common use at the time. While investigating CVE-2010-3081, I discovered that several of the commonly-believed facts about the CVE were wrong, and it was even more broadly exploitable than was publically documented. I’..
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At the Smidig 2010 Agile User Group confererence in Oslo, I conducted an open space workshop where I tested out a few retrospective techniques on the participants. The workshop was very well attended, and so I’ve posted a Norwegian language summary on the company blog for Steria Norway. Go check it out if you understand Norwegian!
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I’ve just got back from a 4-day course on working in teams (“Erfolgreich Zusammenarbeit im Team” by Coverdale for my employer s IT Solutions ). First conclusion -> Top food at Hotel Wende in Neusiedl am See. I am so tired now, it was much more tiring than I had imagined it would be. Lots of “exercises” which really required a lot of concentration, especially if one was to learn the maximum possible from them. I must admit I went in..
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I've recently been confronted with a problem. I don't have any time. Between my recent and unexpected enrollment into a university level business accelerator , pushing hard to get High Score off the ground and doing various projects on the side to keep me from starving I don't really have any extra time. I don't particularly remember having a lot of free time on my hands in the past (except the time when I went travelling with girlfriend to..
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I've recently been confronted with a problem. I don't have any time. Between my recent and unexpected enrollment into a university level business accelerator , pushing hard to get High Score off the ground and doing various projects on the side to keep me from starving I don't really have any extra time. I don't particularly remember having a lot of free time on my hands in the past (except the time when I went travelling with girlfriend to..
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I have an idea for the GPS companies of the world, companies like Google, Garmin, Magellan and Tom Tom. First, however, I would like to tell a story.
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Finland's national brand strategy project released their report today on the Tehtävä Suomelle website . The basic idea is to promote the Finnish capability for getting things done, and the communal approach to problem solving. I found the beginning of the Finland - It Works document particularly interesting: "Just a hobby, won’t be big and professional" 25 Aug 91 20:57:08 Newsgroups: comp.os.minix This statement sparked a revo....
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A lot of people have started seeing “ asynch descriptor resize ” wait event in Oracle 11gR2. Here’s my understanding of what it is. Note that I didn’t spend too much time researching it, so some details may be not completely accurate, but my explanation will at least give you an idea of why the heck you suddenly see this event in your database. FYI, there’s a short, but incomplete explanation of this wait event also documented in MOS Note..
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A lot of people have started seeing “ asynch descriptor resize ” wait event in Oracle 11gR2. Here’s my understanding of what it is. Note that I didn’t spend too much time researching it, so some details may be not completely accurate, but my explanation will at least give you an idea of why the heck you suddenly see this event in your database. FYI, there’s a short, but incomplete explanation of this wait event also documented in MOS Note..
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How to use a WordPress theme or CSS template for your N.nu website
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www.jimwestergren.com
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15 years ago
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eng
There are thousands of WordPress themes, CSS templates and other website templates available for free to download and use. Just make sure that you abide by the license which normally is to just keep the credit links in the footer. The existing templates already converted and ready to choose with a click can be seen [...]
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How to use a WordPress theme or CSS template for your N.nu website
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www.jimwestergren.com
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15 years ago
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eng
There are thousands of WordPress themes, CSS templates and other website templates available for free to download and use. Just make sure that you abide by the license which normally is to just keep the credit links in the footer. The existing templates already converted and ready to choose with a click can be seen [...]
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I read somewhere (sorry I've forgotten where by now) that as an engineering, our #1 omnipresent mandate is "manage complexity". I interpret "manage" to mean "reduce" or "prevent" or "minimize" or "mitigate" in this context. When I read this, it resonated very strongly with me. I was recently asked for feedback on one of the managers I work with and I thought in many was, in the manager role, the mantra is "manage chaos". I think that fits..
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Hello there! My name is Nicola, and this is my website. I use it to store my memories and thoughts, share exciting resources, and post technical content. I follow the POSSE methodology, meaning I share my content on this website first and only later, eventually, on social media or other platforms. I’m a coder at heart author of several open source projects , a Microsoft MVP , conference speaker , teacher and consultant. I live in Rav..
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I Google everything. What I find annoying is this: When you Google something that existed before the Internet and has no ongoing importance today (such as local landmarks that have since disappeared), there is literally NOTHING on the Internet about it. For example, Leisure Lodge was a very large and glorious hall on the outskirts of Preston (now a part of Cambridge, Ontario) that was THE place to go from the 1950s to 1970s - they had t..
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I Google everything. What I find annoying is this: When you Google something that existed before the Internet and has no ongoing importance today (such as local landmarks that have since disappeared), there is literally NOTHING on the Internet about it. For example, Leisure Lodge was a very large and glorious hall on the outskirts of Preston (now a part of Cambridge, Ontario) that was THE place to go from the 1950s to 1970s - they had t..
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I had the situation recently where I needed a “button”; when the user clicks the button, then: An "svn up" should occur, to update some XML config files + data files (CSV) If the config files or CSV files have errors, the operation should be aborted and an error printed If correct, the CSV data should be imported into the database ready for processing If correct, the config files should be made available for use The conf..
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C and I (and a friend) went to see Harry Potter and the Deathly Hallows: Part 1 at 12:05am last Thursday. I was so excited that I went into Big W that evening to find a robe and wizard hat. Unfortunately they had neither. Instead I went home with a Harry Potter wand, glasses, and some blue construction paper and star stickers to create my own wizard hat. C was embarrassed to be seen with me, but I let my freak flag fly and actually did wear..
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From Wikionary: discrimination (plural discriminations) 1. a distinction; discernment, the act of discriminating, discerning, distinguishing, noting or perceiving differences between things.
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I’m currently finishing the 3rd edition of my Guide To Linux Certification for Cengage. In Chapter 7, I used the following text from Shakespeare in the section on the stream editor (sed): Two households, both alike in dignity, In fair Verona, where we lay our scene, From ancient grudge break to new mutiny, Where civil blood makes civil hands unclean. From forth the fatal loins of these two foes A pair of star-cross’d lovers take th....
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I’m currently finishing the 3rd edition of my Guide To Linux Certification for Cengage. In Chapter 7, I used the following text from Shakespeare in the section on the stream editor (sed): Two households, both alike in dignity, In fair Verona, where we lay our scene, From ancient grudge break to new mutiny, Where civil blood makes civil hands unclean. From forth the fatal loins of these two foes A pair of star-cross’d lovers take th....
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NASA’s big announcement about an “exceptional object in our cosmic neighborhood” was interesting - I bet it was even exciting if you’re an astrophysicist or take a deep-rooted interest in black holes. But for me it was a bit of a letdown. I was hoping for something BIG . Not only that, but they aren’t even sure if it’s a black hole at all - putting the cart before the horse, don’t you think? After feeling a bit disappointed after watching ..
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I was recently tasked with setting up some load tests for our Tapestry (4.1.6) web application. I chose to use Apache JMeter because it is open-source and is flexible enough to do what we needed, and doesn’t cost $12,000/month like some load testing tools. I set up an HTTP Proxy Manager to record a simple navigation through the site and reconfigured my browser to use the proxy. The proxy recorded the requests without a hitch.
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