The author of o-blog, the blogging software I use for this blog, recently upgraded to a new major revision 2. The biggest change for me is the upgrade of the Bootstrap libraries, but there are many other interesting changes under the hood. I think the results are very pleasing. I had some technnical difficulties at …

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I have noticed its less boring to do administrative tasks while traveling on a train. Most things you only need an internet connection to do, which works well on the train and a LTE modem. Some things involve printing forms though, like expense reports and so on. A portable printer can be expensive, or slow. I came up …

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(This article was originally published by Datormagazin. Republished with permission) Fedora-baserad privat server Det är ofta användbart att ha tillgång till en egen server för olika ändamål. I följande artikel visar vi hur man kan sätta upp en server som är lämplig att tex dela filer mellan släkt och vänner, och många …

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(This article was originally published by Datormagazin. Republished with permission) Linux på Microsoft Surface Pro 2 Microsoft Surface Pro 2 är en laptop i surfplatteformat från Microsoft som är intressant på flera sätt. Innanför höljet har den en fjärde generationens Intell Haswell CPU med bra prestanda, högupplöst …

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(This article was originally published by Datormagazin. Republished with permission) Kaffeautomat med bitcoin Den krypto-anarkiska valutan Bitcoin är i ropet i media. Nästan varje dag kan man numera läsa artiklar i dagspressen om Bitcoins för och nackdelar. I den här artikeln presenterar vi en enkel tillämpning av …

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I use a number of qemu based android-x86 for various purposes, such as storing proprietary certificate handling software in them. One of the virtual machines suddenly refused to boot. It kept hanging during the display of the android logo in the early boot sequence. Booting the virtual machine in debug mode revealed …

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In sweden we have a system for online authentication that is pretty curious in many ways. It's called BankID, and are issued by, yes, banks. It's not just useful for banks though, you can use it to access public service functions. The thing that makes the system curious in my view, is that its run by the banks, and the …

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Hello Battleships! Hello Battleships is a collaborative educational experience making networked multiplayer turn based games. Battleships was the first implemented game, Memory the second. Since it is primaryly an educational experience we focus on doing interesting things, like coding the server in Clojure, and …

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I happened to missplace my Pebble charging cable, and I was travelling with no electronics stores near. Its quite easy to make an emergency one with just a spare usb cable, and a piece of tape. Cut off the cable and pull out the red and blue cords. tape the cords to the pebble charging pads. If you get them wrong …

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I have a lot of disks. Some mechanical, and some SSD:s. Normally I get Enterprise grade SSD:s, but not always. Two OCZ SSD:s died recently, with just a short time intervall in between. With mechanical disks, you normally get some kind of warning. Maybe checksums start to fail, maybe there is an increase in noise level. …

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