Categories
Guitar

MXR Octavio Switch Mod

Have you ever wondered how an Octavio would sound without the octave up? Me too and then I made the MXR Octavio Switch Mod, for the limited edition JHM6 Jimi Hendrix version from 2018 (?). It’s kind of funny, because on the latest 2019 JHW2 psych mini octavio has a switchable octave, but the newer […]

Categories
Linux Programming

Raspberry Pi 4, WS2801 & Apple HomeKit

Intro In this post, I’m going to explain how to connect a WS2801 RGB-LED-strip to the RPi 4B and Apple HomeKit. I’m writing this during the 2020 Covid-19 quarantine. I had lots of time to spend, obviously, so I started this project. It started as a simple wood project and then I wanted to add […]

Categories
Linux

Linux VNC xstartup

Covid-19 makes us do crazy things. Work from home for example. I hade some trouble configuring VNC. Especiall the VNC server config turned out to be very tricky, when it comes to the window manager. I usually use gnome. It took me hours to figure out how to start gnome from a vnc session. This […]

Categories
Guitar

MXR Carbon Copy Mini Trim Pots

Categories
Guitar

Adam Jones HX Stomp Patch

I created an Adam Jones Tool Sound Patch for the Line6 HX Stomp. Check it out for free.

Categories
Programming

Howto: WordPress Child Themes

Last week, I had to make some HTML/CSS/PHP changes to a wordpress blog. I remembered, that the last time I made something like that, all of my changes made directly to the running theme have been overwritten by a theme update. So this time, I really wanted to make things right, make it the wordpress […]

Categories
Programming

WordPress Spam on Attachment Pages

The other day I recognized in the dashboard of one of my pages, that I had 1600 something unanswered comments. ALTHOUGH I completely disabled comments on my page. I used a fancy theme together with a bunch of plugins to enable a Flickr’ish kind of gallery display with a lightbox. It turns out that wordpress […]

Categories
Programming

iMacros enhanced using Javascript

Introduction The other day, I had to automate interactions on a web page, for testing purposes. I stumbled across the iMacros Firefox extension, which turned out to be very mighty. Basics With iMacros you can automate sequences of events on web pages in order to test them in terms of behavior and/or performance. The extension […]

Categories
Guitar

Hughes & Kettner Tubemeister 18 Headphones

Introduction After a couple of years of abstinence, I bought myself a new guitar and a new amp. Since I wasn’t really happy with my Gibson Les Paul LPJ 2014 (tonally), I got myself a Fender HSS Strat (Made in Mexico) this time. It was the mid-ish tone that I didn’t like with the Les […]

Categories
Programming

Howto find memory leaks using code injection via LD_PRELOAD

Introduction I recently had to find a memory leak in a huge C/C++ application running on linux. Unfortunately, I was not able to use valgrind, because the application was too slow when running inside the valgrind VM. So I decided to write my own memory debugging library. The key idea is to overwrite/replace the original […]