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Free up disk space on /boot partition on Fedora

Had an error like this while upgrading your system lately?:

insufficient disk space
need 40M free on /boot (0M free)

If so, it’s likely because you have lots of kernels installed and the automatic size of your /boot partition, as configured during Fedora’s installation wizard, has become insufficient.… Read the rest


Use sfArk SoundFont instruments on GNU / Linux

SoundFont is a technology for generating sample-based instrument sounds. It’s supported on GNU/Linux by a variety of apps, including Qsynth, which can be used as an external JACK instrument and connected to Digital Audio Workstations like Ardour 3 and Qtractor.

Many SoundFont instruments are freely available, but some of them are compressed and instead of of the .sf2… Read the rest


Login as SuperUser on Murmur / Mumble-server on Debian

I’m trying out Murmur / Mumble-server at the moment for conference calls and meetings for FSFE campaigns. The service is great, and audio quality top-notch. Installation and configuration was generally very simple.

In order to have private conversations however (where uninvited users cannot participate), you must first log in as the pre-configured admin user, called ‘SuperUser’.… Read the rest


Install Ardour 3.1 on Fedora

Ardour 3 is the most powerful Free Software music software currently available. Although Fedora isn’t a GNU/Linux distribution that’s designed for audio professionals, with a little work it can be configured to process sound with low-latency (without 20+ millisecond delays or artefacts like pops and crackles), and get easy access to repositories with many recent pro-audio apps.… Read the rest


Enable USB debugging mode on CyanogenMod 10

To enable the developer options settings in CyanogenMod 10 you need to do something quite obscure:

Go to Settings -> About Phone -> click “Build Number” six times in a row.

This information is available elsewhere, including where I found it, but hopefully reposting here will make it easier to find.