Since I am currently waiting for new PCBs to arrive, I thought to post some pictures of what my first (made between late 1990 and early 2000) working Z80 computer looked like. I was so relieved when one of my friends… Continue Reading
Building a simple VGA-adapter for 8-bit self made computer (Update 2014-10-30: Due to some interest in this project, I added schematics for the GALs) How to build your own VGA-adapter My lifetime project: building an 8-bit computer using Z80 CPU.… Continue Reading
Sort of note-to-self-post: Though this is quite commonly known, I had not heard about XFS+virtio being such an evil couple before it was already too late. So my suggestion: use ext4. It is atleast as fast as XFS and works… Continue Reading
This quite simple python script can be used to test http response code for given url. Had quite a bit of different random bash scripts that needed this kind of simple but somewhat configurable version of response checking. Might have… Continue Reading
Connecting two private networks with Openswan and Linux is easy. I used Ubuntu 10.04 LTS server in my setup. I would guess, since this setup is so simple, that there won’t be problems getting things working on other distributions with… Continue Reading
After using KVM for almost couple of years (ConVirt as front end), there has been almost no problems with it. But with quite regular, and still random, interval one virtual machine has put it’s root file system into read-only state.… Continue Reading
We had bit of a problem with very slow SSH connection from couple hosts. It was weird because the same problem didn’t repeat from other hosts with very identical setup. I had similar problem home, where I ended up fixing… Continue Reading
Why you should not use DBMail as your IMAP server Recently we acquired new servers for our growing needs. Decision was made to move our old mail server as a virtual machine. Mysql seemed a nice place to store mails… Continue Reading
What? This article is mostly about my personal frustration for mobile phone application development. My knowledge about the subject is actually quite limited. I have only developed for Nokia (Maemo/Meego/Symbian using Qt/QtQuick) and Android. As for the languages, I have… Continue Reading
About Very shortly summarized: You can use Node.js + socket.io to enrich your websites with realtime applications like notifications, chat, events etc without a huge load on server side. Node.js “Node’s goal is to provide an easy way to build… Continue Reading