Fixing Steam on Linux OpenGL GLX warning

In some cases, Steam on Linux greets your with an error dialog stating: OpenGL GLX context is not using direct rendering, which may cause performance problems This is because Steam ships copies of several system libraries which may interfere with other libraries on your system that it doesn't replace. This can easily be fixed. Just … Continue reading Fixing Steam on Linux OpenGL GLX warning

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Dynamic iptables port-forwarding for NAT-ed libvirt networks

Libvirt is particularly awesome when it comes to managing virtual machines, their underlying storage and networks. However, if you happen to use NAT-ed networking and want to allow external access to services offered by your VMs, you've got to do some manual work. The simplest way to get access is to set up some  iptables … Continue reading Dynamic iptables port-forwarding for NAT-ed libvirt networks

OBS: Introducting the “refresh_patches” source service

As you know, RPM (and DEB and ...) package building is a repetitive process and you would want to automate it as much as possible. In the context of the Open Build Service(OBS), source services can help you with exactly that. Over the time, the OBS community has implemented a whole range of source services. … Continue reading OBS: Introducting the “refresh_patches” source service