og:image: Nail the 1200x630 or Lose the Click
May 31, 2026
You know the failure mode: you paste a link into Slack or iMessage and the preview comes up as a grey box with a chopped-off URL and no image. That's ...
Computerz marketing seo
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164 posts in this category
Rifftract: Turning Messy Jam Sessions Into Backing Tracks
May 31, 2026
Every band has the same problem. You spend three hours in a rehearsal room, the phone is propped against the amp recording the whole thing, and somewh...
Computerz python javascript
Docker Agent vs Kagent: AI Agents With and Without Kubernetes
May 18, 2026
I've been running [Kagent](https://kagent.dev) in production for a client — a fleet of AI agents that talk to the Workflow Orchestrator (WFO), IMS, IP...
Computerz docker kubernetes
Practical "Secure-ish" Developer Mac Setup
May 16, 2026
Let's be honest: most developers run their Mac wide open. We curl scripts from the internet, pip install random packages, clone repos from strangers, ...
Computerz security macos
Working with git submodules
May 14, 2026
Git submodules are one of those features that are incredibly powerful — until they're not. I've been using them extensively since we split the [orches...
Computerz git cheatsheet
Why we ditched AWS Amplify for Vercel
January 29, 2024
As you could read in previous posts, I deploy some frontend apps on Amazon. For a while, AWS Amplify seemed like the obvious choice for hosting Next.j...
Computerz javascript aws
Running python on mac m1 natively
November 12, 2021
I waited quite a while before I decided to switch my python from Intel to ARM on my laptop with Apple Sillicon. To be honest on the first generation t...
Computerz python linux
Best practices for hardening a Cardano mining pool
June 18, 2021
I was asked to come up with and advice regarding hardening a Cardano mining pool. As this is a bit out of my comfort zone I decided to document my jou...
Computerz javascript linux
Compiling signed mac cli binaries
May 15, 2021
Signing apple code whilst working with teh Apple development tools is painless, except when you want to sign binary's without using xCode at all. ...
Computerz git
Deploy FastAPI on Amazon Serverless
May 15, 2021
Yes yes here we go: an article about how to deploy a simple Fast API app on Amazon Serverless complete with automatic deployment when code is merged t...
Computerz python javascript
Generate a type annotated REST api client in python
May 7, 2021
Today I was tasked with doing some REST API calls against a rather new FastAPI backend at SURF. The nice thing about FastAPI is that it uses OpenAPI w...
Computerz python javascript
Move a React component to a npm module
March 20, 2021
React is a great way to write reusable components which can be used to create complex but responsive GUI's and SPA's. But how do you move complexer co...
Computerz javascript git
Upgrading all packages in a React Native Expo project
March 15, 2021
When you're working with an Expo managed React Native app upgrading is relatively easy, but it can be a bit daunting as lot's of dependencies are used...
Computerz javascript linux
Using anaconda
March 9, 2021
I used python in a variety of ways in the last 15 years. Back in the days you just worked with a system python but nowadays you have to think about st...
Computerz python linux
Howto make fullscreen webpage screenshots with chrome
February 27, 2021
As a web developer it's often handy to get a screenshot of a long webpage. There are plugins/extensions to capture long webpages but in Chrome it's ki...
Computerz linux
Run an expo webserver with port forwarding
December 12, 2020
When working with React Native it can be easy to start with Expo as it's an excellent way to distribute the app to a lot of testers. But when you star...
Computerz javascript linux
Setup Amazon Cloudfront and S3 to host a SPA
December 9, 2020
As I host a couple of Microservices with some React JS frontends I like hassle free deployment. But every time I needed a new deployment for a project...
Computerz javascript tutorial
Find out which ports are used in Mac Os
September 29, 2020
Being involved in microservice oriented and or container based application architecture usually implies having a lot of terminals with running process...
Computerz python javascript
Upgrading Domotics and your database
August 22, 2020
My domoticz system did run quite a while with updates straight from the Domoticz github repo. But after a while the update failed on new library requi...
Computerz linux git
Configure a custom Amazon Lambda runtime to run lilypond
July 15, 2019
> You can implement an AWS Lambda runtime in any programming language. A > runtime is a program that runs a Lambda function's handler method > when th...
Computerz javascript git
Quickly deploy a AWS EC2 instance with python and Ubuntu 18.04
May 25, 2019
Working with the Ubuntu 18.04 default image as of 2019 it's very easy to spin up an instance and deploy/manage stuff on it with Ansible. I will list ...
Computerz python linux
Configure a Squid proxy to use multiple from addresses
May 21, 2019
For some acceptance tests it can be very handy to test webapplications from a couple of SRC IP addresses. There are multiple ways to do it but I wante...
Computerz python javascript
Installing a self-updating Domoticz with Homekit support
March 29, 2019
V1 of my domotica project was running on a Raspberry Pi 1, and it served me well for 3 years. You could actually only notice the lack of processing po...
Computerz javascript linux
Migrating a wordpress blog with content to a pelican based static html site
December 13, 2018
After the last wordpress update/configuration hickup I finally had it. For years I had struggled to keep the damn thing running. When I started the bl...
Computerz python linux
What to do if you PyCharm doesn’t start after an update
August 24, 2018
Yesterday after updating from 2018.1 to 2018.2 PyCharm kept crashing when closing a project. As Pycharm reopens a project upon restart and I normally ...
Computerz ssh
Create a Mac OS High Sierra usb install stick
August 20, 2018
There a numerous GUI program's out there to create a stick but's it super duper easy to do it from the terminal as the App store image contains a shel...
Computerz
Build your own deployment pipeline hackathon
March 10, 2018
Last Tuesday I attended a trial of a continuous delivery (CD) hackathon that [will be hosted by Itility on 21 March](https://content.itility.nl/hackat...
Computerz javascript linux
Tips and tricks with ansible
March 2, 2018
Recently I'm playing a lot with Ansible. The goal is to deploy a large Django stack to production with all kinds of high availability stuff. The compo...
Computerz python git
Enable syntax coloring on Jenkins with vim
January 24, 2018
When i'm offered the choice I will use Gitlab + Gitlab CI as it integrates everything that's needed for a modern continuous deployment setup. But some...
Computerz git devops
Setup Django to use Graylog logging
January 19, 2018
I'm quite a big fan of Sentry logging, especially for Django project, but for a project I needed to setup Graylog logging as it was already available ...
Computerz python javascript
Installing Magento2 with docker
October 3, 2017
This is the second post in a series of post describing how to run Magento via Docker on Mac OS. Setting up a dockerized Magento2 is easy. Magento als...
Computerz docker git
Install Magento2 on Mac OS with vagrant
July 15, 2017
As Magento2 is one of the most used ecommerce solutions, on this planet, there are a lot of ways to run it. A modern, full blown, production ready, Ma...
Computerz javascript linux
Magento2 Categories, product types, attribute sets and groups
June 16, 2017
As a reminder for myself, some info about the Magento2 product model, and it's quircks. Product types ============= A configurable product allows th...
Computerz
Review klacht.nl en Sony Playstation network
March 18, 2017
Ik had mijn support vraag bij Sony al helemaal opgegeven. Het geschil was te klein voor mijn rechtsbijstand verzekering. Aangezien ook de geschillenco...
Computerz javascript
Cleanup boot partition on Ubuntu
September 12, 2016
If apt-get isn't functioning because your /boot is at 100%, you'll need to clean out /boot first. This likely has caught a kernel upgrade in a partial...
Computerz python linux
5 Advantages of working agile
May 17, 2016
Agile software development is the preferred way for a lot of companies and successful software projects nowadays. As a professional software developer...
Computerz python git
Tips and quirks with ansible
February 11, 2016
Recently I'm playing a lot with Ansible. Some handy commands {.bash} ansible all -m command -a "uptime" ansible all -i hosts -m setup Insta...
Computerz nginx ansible
Clean up a Ubuntu server boot partition
November 13, 2015
When you choose the default partition plan on a Ubuntu server you likely end up with a small boot partition. If you don't reboot your server on a reg...
Computerz linux
Install Music Printer Plus 4.1 in DosBox
October 12, 2015
 
Setup a windows comp for Django1.8 with Python 3.4 and Psycopg2
July 9, 2015
As a Linux user the installation of all deps is rather easy; you run a couple of apt-get installs and some pip installs inside a virtual env and your ...
Computerz python linux
Removed SweetCaptcha plugin as it was suddenly bloated with ads en malware.
July 3, 2015
SweetCaptcha is a free CAPTCHA service that offers to match "sweet" images instead of making you recognize distorted digits and characters. It's a fun...
Computerz git
Install virtualenv on OSX
June 2, 2015
Choose whether you want OSX python or home brew version. When you choose home brew run: {.bash} brew install python Then install virtualenv:...
Computerz python git
Using Semantic UI with Django on OSX
May 21, 2015
I lately started working on some Django projects. The project started from scratch so my first choice was using bootstrap3 which has excellent Django ...
Computerz python javascript
Install python PIL or Pillow on Ubuntu 14.04 64 bit
May 19, 2015
Every now and then I have to install Python PIL or Pillow on an Ubuntu server. I mostly end up with problems like no jpeg support or no compressed png...
Computerz python linux
Install phpunit on windows
February 23, 2015
You can use composer to install phpunit, for example, inside a Symfony2 project; but it's better to install it as a separate binary as it allows you t...
Computerz
Add a Comodo SSL certificate to NGINX
January 5, 2015
The comodo SSL certs via <https://ssls.com> are very cheap. Install instructions for a Nginx based webstack: Create signing request: {.bash} cd ...
Computerz javascript git
Stop/Start or Restart Symform linux service
December 19, 2014
The Symform daemon is not a default Linux service so it took me a while to figure out how to start and stop it. Linux and NAS Devices: Run command "/...
Computerz javascript linux
Send mail via Gmail from a local postfix server on Ubuntu
December 16, 2014
If you want to use Gmail for sending mails from postfix follow this guide. First, install all necessary packages: {.bash} sudo apt-get install p...
Computerz linux tutorial
Rebuilding the nvidia kernel module for Ubuntu
September 29, 2014
I recently bought a GTX 750Ti which isn't supported by Ubuntu's drivers yet. So I installed the drivers from Nvidia itself. They work great, the card ...
Computerz linux
Using multiple Heroku accounts
September 25, 2014
It's quite easy to use multiple Heroku accounts. install the Heroku plugins from: <git://github.com/ddollar/heroku-accounts.git> Then configure your ...
Computerz git
Install Weasyprint on Ubuntu 12.04 64 bit
September 18, 2014
I had to tweak some stuff to get a running Weasyprint on one of our Ubuntu servers; just following the install instructions from the docs didn't work:...
Computerz python linux
Installing Odoo/OpenERP 8 on Ubuntu 12.04 LTS
September 14, 2014
What is Odoo? ============= Recently OpenERP is re-branded to Odoo. OpenERP was primarily an Open Source Enterprise Resource (ERP) software suite of ...
Computerz python javascript
Some handy ls and find tricks with dates
September 3, 2014
As a quick reminder for myself; some ls and find variations to do stuff with files and dates. ls sort on date: {.bash} ls -t ls reverse sor...
Computerz
Trust a self signed SSL certificate in Chrome
August 29, 2014
I've been using Google Chrome as my primary browser for the last few years. Sorry, Firefox, but with all the stuff I need to work installed, it's to s...
Computerz tutorial
Ruby on Rails DB cheat sheet
June 25, 2014
As I started to do some development in Ruby here is a quick cheat sheet with some handy DB stuff. One of the things that annoys most RoR users is tha...
Computerz
Determine sqlite table size on disk
May 28, 2014
I took me a while to find out that it's not very easy to find out how big a sqlite table is on disk. But luckily the sqlite creators have a simple too...
Computerz javascript linux
Install Qt and compile Capybara webkit on Linux and mac OSX
May 9, 2014
To automate browser style testing in Ruby you can use Qt webkit caompatible browser with CapyBara. When you try to install it you'll get this error wh...
Computerz linux
Install Ruby on Rails 4.0 on Mac OSX with home-brew
April 5, 2014
I recently started to do some development on some Rails4.0 based apps. Setting up a nice and clean Rails environment can be a hassle. The OSX/Windows ...
Computerz
Using your FreeNAS root account
April 3, 2014
To get full rsync backups from a server on your FreeNAS box you have a couple of options. It took me some time to get used to the read-only FS regardi...
Computerz ssh
Install Ruby on Rails on Ubuntu 14.04 with RVM
March 28, 2014
Installing Ruby on Rails on Ubuntu is quite easy, but the Ubuntu packages install an outdated Ruby. The following instruction will probably work on ol...
Computerz python javascript
Running Unity3D webplayer on your linux box
March 11, 2014
As NaCl builds are not working at all in Unity4.3 and Flash is most likely to be removed from future Unity versions the only native way to play Unity ...
Computerz linux
Do a complete backup with rsync of a linux server
February 5, 2014
Create a exclude file: "exclude.rsync" with content: {.bash} /proc /sys /dev /etc/udev /etc/network /boot /etc/mtab /etc/fstab /var/swapfile /los...
Computerz linux
Downloading OpenStack images with Glance
January 10, 2014
When you create OpenStack snapshots you'll also need to download the snapshot to a safe location. There are a couple of ways to do this; I'll describe...
Computerz docker
Bypassing the big Chinese firewall
January 10, 2014
I made a couple of preparations to make sure I could use internet in China in a reliable way. I did some investigations on fora to find out what possi...
Computerz linux ssh
Show hidden files on OSX
December 12, 2013
When you use a mac, unix style you sometimes want to see .file and .folders. Here is how to do it: {.bash} defaults write com.apple.Finder AppleS...
Computerz linux tutorial
Stop OSX from automatically indexing external disks
December 12, 2013
You have a couple of options here. You can either prepare the disk; so OSX knows to not index them, configure it from System Preferences or disable it...
Computerz
Passwordless login via ssh in just 2 commands!
November 16, 2013
I already wrote some earlier posts on this topic; but I found a new command: ssh-copy-id; it's brilliant. First create your SSH Keypair by running ss...
Computerz ssh
Using PyCharm for professional web2py development
November 6, 2013
Our current IDE, Eclipse with PyDEV has some nice features but feels rather slow and clumsy. You also have to install a lot of plugins to get a reason...
Computerz python linux
Spam van Zzap-online.eu
October 28, 2013
Het is weer zover, we hebben weer een spammer bereid gevonden om in ons spamhoekje te staan. Zoals sommigen van jullie weten proberen we niet relevant...
Computerz javascript
Clone your OSX to an bootable external drive
October 19, 2013
Time Machine is great for everyday backups and simple file restores, but it only gives you the ability to restore your system after reinstalling OS X....
Computerz tutorial
Netflix bekijken met Ubuntu 12.04 en andere Linux varianten
October 15, 2013
Met de komst van Netflix naar Nederland heb ik uiteraard een abonnement afgesloten om het het eens op mijn gemakt te gaan testen. Mac OSX, Windows -\>...
Computerz linux
Convert a whole bunch of video files to .ogv theora format in one command
September 14, 2013
Just a short post as a reminder for myself. We do use a lot of ogv's in our Narrow casting shows. When you use ffmpeg2theora with a Linux or OSX kinda...
Computerz linux music
Fully automated touch screen testing lego mindstorms robot v1
August 29, 2013
When conventional Unit testing fails we are forced to do the testing of our software manual. This can in some cases lead to long testing periods to fi...
Computerz
Installing kivy on Mac OSX 10.6 with brew
August 28, 2013
We are doing more and more cool kivy stuff so it's time to get the designers happy and let it run from src on their workstations for easy access to th...
Computerz python git
Configure multicast network traffic to go over a specific network interface on linux
August 24, 2013
I'm using eth2 to connect to a seperate LAN with only some multicast video streams on it. On my linux comp I have to force listening for multicast to ...
Computerz linux tutorial
Fixed: X won\''t start after update to Ubuntu 12.04.3
August 24, 2013
I'm running a dual-screen set-up and need the proprietary drivers because the standard ones won't drive the second screen at full resolution. After u...
Computerz linux tutorial
Disable the powerbutton on Ubuntu 12.04
August 16, 2013
In Debian or Ubuntu minimal disabling the power button is quite easy. Just remove the contents of /etc/acpi/powerbtn.sh. That doesn't work in Ubuntu w...
Computerz linux
Remove a python dependency by hand
May 29, 2013
If you are on a system without pip or easyinstall, and you can't use the OS package system: You need to remove all installed files manually, and also ...
Computerz python
Howto setup multicast streaming with the Anysee N7 network tuner
May 23, 2013
Normally you connect to the N7 network tuner via HTTP protocol. That's fine for a simple, single TV screen setup. If you want to watch television on m...
Computerz
Why json is better for easy data exchange
April 2, 2013
JSON: The Fat-Free Alternative to XML ===================================== Extensible Markup Language (XML) is a text format derived from Standard G...
Computerz javascript
Enable WIFI again on Sony Vaio with Ubuntu 12.04
February 1, 2013
After installing 12.04 on my vaio laptop everything was OK. But when I disabled the WIFI from the Ubuntu menu the wifi showed an message that it was t...
Computerz linux
Setup Unity3d asset server on Linux
January 22, 2013
Working in a team on a Unity3d project with the Free and even the Pro version is almost impossible. We tried several methods involving GIT and complex...
Computerz linux git
Some fruity apps & solutionz for your raspberry pi board
January 18, 2013
In the firtst quarter of 2012 some early ARM based android boards where released. I followed them with much interest but didn't found it very suitable...
Computerz linux git
Ook spam van triviewgroup.com? Subject: Verhoog uw omzet van spare parts
January 17, 2013
Ik kreeg de mail zelf binnen. En een klant van Formatics ook; verdere meldingen zijn welkom. Wat direct mijn aandacht trok was het feit dat er net ged...
Computerz javascript
Zip only certain files and keep the directory structure intact
January 10, 2013
I needed a backup of only the C\ sources in a big folder with Unity3d projects on a mac. It took me a while to find the correct syntax. Instead of co...
Computerz
Installing your web2py Stack on the Heroku cloud in 4 simple steps
January 5, 2013
One of the coolest things about web2py is it's ability to run on most of the modern cloud solutions that are available on the web. It runs, without mu...
Computerz linux git
Using the web2py scheduler for long running jobs
December 8, 2012
The info in the book describes the scheduler and favors it over cron; So I decided to use it for fetching the RSS feeds in one of our web apps. Creat...
Computerz python git
Speeding up Eclipse in Ubuntu 12.04
December 7, 2012
I noticed that Eclipse was getting very Slow. Even with 6Gb of mem. {.bash} sudo add-apt-repository ppa:webupd8team/java sudo apt-get update sudo...
Computerz linux
Configuring postgresql authentication for a linux user on a fresh Ubuntu
December 6, 2012
By default in Ubuntu, postgresql is configured to use 'ident sameuser' authentication for any connections from the same machine. Check out the excelle...
Computerz linux database
Tweaking Unity in Ubuntu12.04
December 4, 2012
I'm still not a fan of the Unity interface in Ubuntu but for fast systems with touch and a big screen it finally (12.04) feels better then the first U...
Computerz linux
A quick way to make a USB bootable Ubuntu on OSX.
November 16, 2012
It's quite a long time since my last post. Very busy on new projects as always and getting settled in the new house / office :) The next post is most...
Computerz javascript linux
Installing AIR on Ubuntu 11.10 and 12.04
October 6, 2012
Why did Adobe decide to discontinue further support for Adobe AIR for desktop Linux®? ================================================================...
Computerz linux
Gnome and KDE to slow? Reclaim your desktop with xfce4 or LXDE
September 6, 2012
I recently stopped using my old workstation (a 6 year old home made quad core, with nice specs and still very usable but noisy. It had a lot of boot p...
Computerz linux
Basic authentication with apache modwsgi and web2py
August 6, 2012
I spent over an hour trying to figure out why I wasn't able to do basic authentication in a web2py service before I ran across a prior post that desc...
Computerz
Ignore .DS_Store file permanently when using Git
June 21, 2012
With a couple of little commands, you'll be able to ignore the .DS_Store files forever from your git repositories on mac! Create (or append) the .DS_...
Computerz git
Building a stand alone Mplayer for OSX
May 20, 2012
I needed a recent mplayer for OS X; the current homebrew version has a memory leak when playing MPEG2 TS SD channels. This is how I compiled the svn H...
Computerz linux
Ubuntu landscape??
May 5, 2012
I did have a look at the specs of Canonical's Landscape. If you want to manage a bunch of (different) Linux systems with one unified interface you can...
Computerz linux git
Install pygame on Mac OSX via homebrew
April 14, 2012
The new and easy way is just use the package from pygame.org: as we speak -\> <http://www.pygame.org/ftp/pygame-1.9.2pre-py2.7-macosx10.7.mpkg.zip> ...
Computerz python tutorial
Mount a .dmg from Terminal in Mac OS X
April 14, 2012
If you are a Terminal user you might want to mount .dmg files from commandline. Basically thats pretty easy: Mount a DMG =========== {.bash} $ ...
Computerz
Uninstall brew, to do a clean reinstall
April 4, 2012
In the last year I switched from macports/fink to brew; it has a lot of advantages. It also doesn't ruin your system because it keeps it stuff inside ...
Computerz git
Building Fancy DMG Images on Mac OS X
April 1, 2012
Creating the template :-) First, we'll start by specifying how our disk image should look when it is mounted (and opened). If you don't need a fan...
Computerz linux tutorial
Moving a phpBB to another domain
February 29, 2012
This small guide explains the actions and steps to move a phpBB (php based forum software) to another domain with all setting and boards intact. Most...
Computerz database tutorial
Downloading picasa webalbums on Ubuntu
February 16, 2012
The last picasa is not available for linux. I looked for an easy way to posts about downloading it with firefox and the excellent download all plugin...
Computerz linux
As a reminder for myself, the command line options of mc2xml
January 28, 2012
mc2xml is a small and fast standalone command line program for Windows/Linux/OSX that downloads media center, titantv, or schedules direct tv listings...
Computerz linux
Using PS3 mediaserver to stream video\''s to iPhone/iPad
January 26, 2012
The last [Playstation media server](https://code.google.com/p/ps3mediaserver/) has excellent support for streaming (transcoded) video straight to the ...
Computerz linux
T-mobile doorschakel trucs
January 4, 2012
Je kan het tijdsinterval van je voicemail wijzigen naar maximaal 30 seconden. Het tijdsinterval is de tijd waarna je voicemail het inkomende gesprek o...
Computerz
Installing OS X 10.7 in VmWare Fusion
January 2, 2012
By default, the Install Mac OS X Lion application is located in the Applications folder. If you have already installed Lion on your Mac, the Lion inst...
Computerz
Lego Mindstorm NXT2.0 on OSX 10.6
December 10, 2011
Just as a quick reminder for myself. The Mindstorms NXT 2.0 doesn't work out of the box on OS X 10.6. But with a quick hack it is possible to run it; ...
Computerz
Enabling front speakers of MSI AE2050 on Ubuntu 11.10
November 11, 2011
With kernel 3.0 sound via speaker output stopped working on the all-in-one [MSI AE2050](http://www.msi.com/product/aio/Wind-Top-AE2050.html). Output ...
Computerz linux music
Huis te koop nu ook op emozo
November 8, 2011
Hier kun je zien hoe het huis op emozo te zien is: [\|image0\|](http://hendriks.emozo.nl/woning.asp?RecID=143277.Trk9ybKBe5d.wordpress) Verder nog w...
Computerz, Life
installing PyQT4 on Mac OSX
November 5, 2011
For a couple of our projects we used python with the Qt bindings to create a nice GUI. In our normal mac osx dev environment I installed al Qt stuff ...
Computerz python git
Rsync examples
November 2, 2011
Rsync is arguably one of the most powerful tools you can have in your arsenal as a systems administrator or user. It does not matter if you take care ...
Computerz linux ssh
Spotify voor linux !
November 1, 2011
Er was eerst een niet werkende manier om via wine onder ubuntu de spotify client te gebruiken. Dat leverde na veel gepiel een crashende player op. Nu...
Computerz music linux
Web2py resources
October 20, 2011
Just some things I discovered on my learning path with the web2py framework. A lot of cool plugins, mostly widgets ==================================...
Computerz database
New python based framework
September 13, 2011
We use a lot of web interfaces and frameworks, including our own rapcms, for the formatics stuff. The deployment is as versatile too; lots of embedded...
Computerz python linux
Block edit / select mode in Eclipse
August 19, 2011
Every once in a while I would open up a source file in vim to change text using the block selection mode, mostly when editing SQL files. Now I can do ...
Computerz
Some scripts to watch and record TV
August 18, 2011
With the new [N7 netwerktuner from anysee](http://www.anyseedirect.eu/en/Network-Tuners/View-all-products.html) you get an very flexible tv watching/s...
Computerz linux
Audio line in van een imac gebruiken
August 17, 2011
Wat een gepiel. Ik steek iets in de audio input (mini jack line in) van mijn imac, ga naar volume settings in systeemvoorkeuren. Ik kan zien dat er ge...
Computerz music
Create a new remote GIT branch
July 27, 2011
My workflow is generally something like this: 1. Create a remote branch 2. Create a local branch that tracks it 3. Work, Test, Commit (repeat) -- ...
Computerz git
howto securely delete/wipe files on linux
July 20, 2011
For the BTP we needed a way to wipe data for returning broken comps to the manufacturer. After a search on Google I found wipe.sourceforge.net; but th...
Computerz linux
Boxee with Ubuntu 11.04
July 8, 2011
The Ubuntu package for the current version of Boxee as of this writing, 0.9.22.13692M, does not install on the latest version of Ubuntu. It throws an ...
Computerz linux
Gmail migratie: van MS exchange naar Gmail
July 7, 2011
Als je ooit een MS exchange server hebt moeten beheren weet je dat dit meestal meer werk is dan je eerst dacht :-) Ook moet z'n ding blijkbaar in 2011...
Computerz
N7 netwerk tuner bekijken via Boxee
July 7, 2011
We zijn bezig aan een app voor het [boxee](http://www.boxee.tv/) platform zodat je ook TV kan kijken via de netwerktuner [N7 van Anysee](http://www.an...
Computerz git
Shops osCommerce vs Magento vs VirtueMart
July 5, 2011
Voor een klant zijn we bezig aan een webshop. Nu hebben we in het verleden veel gedaan met osCommerce, maar dat staat al jaren op dezelfde versie. Dat...
Computerz javascript database
Intervallen genereren met mingus en lilypond
July 2, 2011
Voor een music elearning project zijn we bezig met een theorie module. Omdat de theorie module veel standaard notenvoorbeelden zal bevatten hebben we ...
Computerz python music
Dual screen setup with gnome shell
June 29, 2011
I just switched to gnome 3 AKA gnome-shell. It works nice but there is one problem. For some reason my second monitor is fixed to workspace 1. For me ...
Computerz
Snel een nested git repository opschonen
June 23, 2011
Als je snel in een hoop mappen en sub mappen alle git informatie wil opschonen, kun je dit doen: bash find . -name '.git' -type d | xargs rm -rf f...
Computerz git
ImageMagick for batch processing images
June 14, 2011
Imagemagick is the ideal tool to scale, convert or crop a lot of images. The last version of Imagemagick support construction with \ to work with a l...
Computerz docker
Alle NL radio station in iTunes
April 7, 2011
Als je graag radio luistert via internet en een beetje een hekel hebt aan flash weet je waarschijnlijk al dat het vrij lastig is om radiostations met ...
Computerz
Move mysql to another place without losing data
March 15, 2011
So you need to physically move around your mysql databases, typically because you want to put them on a another partition or hard drive, or on some ne...
Computerz linux database
Using a readonly filesystem with debian unstable
March 10, 2011
Some intro about fsprotect: set of scripts to transparently mount a RAM fs over the readonly root file system to protect the flash storage or to prote...
Computerz linux
Intel graphic driver problems with debian solved
March 4, 2011
The OS we use in our appliances is based on Debian. We switched from ubuntu to debian mainly for it's stability. The ubuntu rapid changes are sometim...
Computerz linux tutorial
Volkskrant OCR probleem opgelost
March 1, 2011
Na een aantal ([11!](http://www.renedohmen.nl/blog/?p=86)) mailtjes met de lezersservice van de Volkskrant over het missen van tekens in de ipad app p...
Computerz
Switching UIViews on Orientation change with an animation
February 19, 2011
For our [Iscore Card App](http://itunes.apple.com/us/app/iscore-cards/id398621803?mt=8) we are working on an update which has card counting functional...
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Volkskrant on Ipad - OCR probleem
February 13, 2011
Ik lees meestal op zaterdag de Volkskrant op de iPad met de App pressreader. Allemaal leuk en aardig; het leest fijn, binnenhalen van de krant werkt e...
Computerz javascript git
Realtime analyse van polyfone muziek
February 12, 2011
Voor een project waren we op zoek naar een snelle muzikaal accurate tuner applicatie. Na een beetje browsen kwam ik dit tegen: <http://clam-project.o...
Computerz linux git
Nieuw blog
February 11, 2011
Omdat ik de drupal installatie, specifiek voor alleen een blog, een beetje lomp vond heb ik de stoute schoenen aangetrokken en vandaag gewoon een word...
Computerz
Debian : howto use pinning
December 11, 2010
In a recent attempt to use the latest intel driver on my debian squeeze testing box to avoid a problem which is most likely described here: <https://...
Computerz linux
Converting iphone 4 movies to xvid with mplayer / mencoder
November 22, 2010
The iPhone 4 is capable of recording movies in 1280 x720p. When using the default .mov format they can get quite big. When exporting with a default m...
Computerz linux
Lost MySQL root pass?
November 12, 2010
Log on to your Linux machine as the root user. The steps involved in resetting the MySQL root password are to stop the MySQL server, restart it withou...
Computerz linux database
Showing progress during dd copy
October 11, 2010
dd is a popular, generic command-line tool for copying files from 1 location to another. It is often used to copy entire disk images. Like many Linux...
Computerz linux
Cool stuff with Pyglet
September 27, 2010
I installed pyglet with the installer for the mac to check out video support and some opengl performance tests. After some struggling with 64 bit pyt...
Computerz python linux
Installing childsplay on MAC OSX 10.5 or 10.6 inside Xwindows
September 22, 2010
This is what I did to get a recent childsplay from SVN running on the mac. 1) Install xCode 2) Installed Mac Ports: <http://www.macports.org/> 3) ...
Computerz python
First attempt to get Wiimotes working with Ubuntu Lucid
August 23, 2010
On Ubuntu 10.10 you install the software with: sudo apt-get install libcwiid1 lswm wmgui wminput You can test as an normal user if it works with wmg...
Computerz linux
Face detection in a life video stream
August 13, 2010
For one of our software projects where investigating the possibilities of the Open Source image processing libraryopencv. When installing openCV fr...
Computerz python linux
Windows 7 style window grouping op MAC OS X snow leopard
August 3, 2010
Een van de meest nuttige functies in windows 7 vind ik de musigesture based manier om snel van een applicatie de windows langs elkaar te zetten. Op ee...
Computerz linux
PHP5 op snowleopard activeren, zonder MAMP install
June 24, 2010
De installatie van een Apache webserver met PHP in OS X is heel gemakkelijk. Standaard staat Apache en PHP al geïnstalleerd op Apple computers. Het en...
Computerz javascript
Installing pygame 1.9 / seniorplay on snow leopard, without X
June 23, 2010
Getting pygame going on MAC OSX is not for the fainthearted; so be warned\.... It will also take a lot of time One my first attempt I tried to use th...
Computerz python linux
Reisverslag Spanje 2010, Costa brava
June 15, 2010
We zitten al bijna op de helft van onze trip en het bevalt erg goed, op dit moment is het weer wat minder, maar dat mag de pret niet drukken. We gaan ...
Computerz javascript
Shutdown computer as non root user
May 11, 2010
sudo The program sudo allows normal users to execute certain root-only commands. Which users are authorized to run which commands is specified in...
Computerz linux
New (not cool) PS3 update
April 21, 2010
The next system software update for the PlayStation 3 (PS3) system has been released on April 1, 2010 (JST), and will disable the "Install Other OS" f...
Computerz javascript
Nieuw mailinglist systeempje, super simpel
April 21, 2010
Eindelijk is het zover, het [nieuwe mailen](http://www.simpelmailen.nl) is begonnen :-) Op basis van een mail systeempje dat we al een tijdje in webs...
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Crontab: a Quick reference
April 15, 2010
cron is a utility that you can use to schedule and automate tasks. By defining items in the cron table, called crontab, you can schedule any s...
Computerz
How do I verify how many CPU\''s I have in the Terminal
April 11, 2010
When working with video encoders or single core / multi core licenses it's handy to now how much cores a CPU has, with only a terminal available it's ...
Computerz linux
Usplash modding
March 26, 2010
HOW-TO make custom usplash art After only being able to find posts of people asking this question i decided to explore and find out how to do it. Gre...
Computerz linux tutorial
Reverse SSH tunnel
March 9, 2010
Als linux guru wil je graag per SSH van alles doen maar wat nou als de linux computer waar je op wil inloggen zich in een ander netwerk bevind, achter...
Computerz linux ssh
Allow javascript to close a firefox window
February 28, 2010
Just as a quick reminder for myself; firefox diasallows closing the window with javascript, sometimes, e.g. on a kiosk comp, it's very handy to have t...
Computerz javascript
Hacking gnome: screwed up? A quick gnome restore guide
February 26, 2010
While working on the braintrainer hardware it's quite easy to screw up the gnome session. So here is a quick howto to restore a screwed up gnome almos...
Computerz tutorial
Full screen plugin for firefox, linux
February 25, 2010
For one of our KiosK appz we needed a full screen plugin. The idea is to make a icon on the desktop (or in our cairo dock) starting a browser, loading...
Computerz linux
Disable Gnome-Panel on Ubuntu Karmic Koala
February 25, 2010
Still customizing our new hardware for the braintrainer. Now I added Cairo Dock to have a really fancy menu for launching our apps. It was actually ra...
Computerz linux
SSH 1 and SSH2: Login without passwords
January 14, 2010
A great little guide to setting up two accounts so that you don't have to type in your password when sshing between them. btw, OS X uses OpenSSH. I do...
Computerz ssh tutorial
Cloning Linux systems with CloneZilla
January 10, 2010
We will save all the partitions entries (both primary and logicial ones which appear in the extended partition). In this example, we'll be assuming th...
Computerz linux tutorial