FreeBSD getting into development and make your own release to test changes

Posted on Mon 05 January 2015 in FreeBSD • Tagged with development, FreeBSD, FreeBSD CURRENT

When I installed FreeBSD, I stumbled over a bug with my T420. I now want to help fix it or to implement a workaround for my T420 to use it with gpt and ZFS-Root, Therefor  I needed to setup a development environment for FreeBSD on my Thinkpad. To make this …


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Create a screen recording on FreeBSD with kdenlive and external USB mic

Posted on Sun 04 January 2015 in FreeBSD • Tagged with audio, ffmpeg, FreeBSD, kdenlive, maya usb 22, microphone, oss, screen cast, video

This tutorial shows you how you can use kdenlive on FreeBSD to create a screen cast. I am using a Maya 22 USB to record speech from a Rode microphone. This works fine, too.

1. Install the software

ffmpeg

If you have ffmpeg already installed you need to check if …


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FreeBSD 10.1 using UEFI

Posted on Fri 21 November 2014 in FreeBSD • Tagged with FreeBSD, KDE, kdm, nvidia, nvidia-driver, UEFI

This tutorial is about installing the latest stable FreeBSD 10.1 with UEFI and run a desktop with KDE with a NVIDIA video card.

Before Install

With my motherboard is does not work to boot UEFI if the CMS compatibly mode is turned off completely. Someone else second this problem …


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Install FreeBSD 10.1 or FreeBSD 11 - CURRENT on Thinkpad T420

Posted on Wed 15 October 2014 in FreeBSD • Tagged with ACPI, FreeBSD, gpt, T420, Thinkpad T420, Xorg

This post is about installing FreeBSD 10.1 RC2 or FreeBSD 11 - CURRENT on a Thinkpad T420 with Intel graphics. This is for testing only up to now!

Work around the BIOS/UEFI bug:

The T420 comes with an unpatched BIOS/UEFI bug which prevents to boot from a default …


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Fedora with selinux enabled running OpenVPN using NetworkManager

Posted on Sat 30 August 2014 in Fedora • Tagged with NetworkManager, OpenVPN, SELinux

On a Fedora or CentOS system with enables selinux you need to store your certificate and configuration in /etc/openvpn to avoid selinux is blocking the access of NetworkManager to this files. There is a way of setting some sebooleans to allow selinux to read them from user home directories …


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Why should I run my own services?

Posted on Tue 26 August 2014 in Blogging • Tagged with email, infrastructure, Jabber, Tor

Even if you're not a familiar with configuring complex computer systems, there are easy ways to get started. Go to your local Linux User Group or search the web for groups in your town that help others with technical problems. Start to read blogs and tutorials about running an email …


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Boot using a iSCSI root from an usb-stick with bridged ethernet device on Fedora/CentOS

Posted on Sat 23 August 2014 in Fedora • Tagged with Fedora, Grub, initrd, iscsi, network boot

Today I had a nice discussion with someone on the Fedora IRC channel about a problem booting from an USB stick with an iSCSI root filesystem and a bridged interface. He was facing the problem that the brctl tool was not available at boot time. CentOS and Fedora are using …


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Turn splash screen off and remove it from initrd on Fedora 20

Posted on Sat 23 August 2014 in Linux • Tagged with boot, boot splash, Fedora, initrd, plymouth, splash

To remove the splash screen on Fedora and boot up with details run:

sudo plymouth-set-default-theme details

For me on Fedora 20 it did not work out of the box:

sudo plymouth-set-default-theme details --rebuild-initrd

The new created initrd go the name initrd-3.15.6-200.img and not initramfs-3.15.6-200.fc20 …


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Custom Kernel on Fedora 20

Posted on Sat 23 August 2014 in Fedora • Tagged with custom kernel, Fedora, Grub, initrd, kernel, Linux

The last time I built a Linux kernel for my machine was quite a time ago. In my Linux hacking times when I did my private researches on how Linux works and how the software can be built for it, I used Gentoo and there it was normal to build …


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Security reviews became sexy nowadays, we need to make them happen

Posted on Fri 22 August 2014 in Blogging • Tagged with Open Source, security, source code

If you're interested in software security you will have noticed that there where some bigger  security problems with widely used software the last year. The attention this problems get in common media raised the last two years. We had some big security problems in the past as well, just remember …


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