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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Some more details howto configure your nginx server with SSL

Posted on Thu 21 August 2014 in FreeBSD • Tagged with Nginx, openssl, ssl, tls

The guys from bsdnow.tv did a great job by putting together a tutorial with some more details on a proper Nginx configuration and a very good choice for SSL parameters. There where some parts I didn't know neither and the tutorial is create as always.

If you want to …


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Quake style terminal for KDE

Posted on Sun 17 August 2014 in Linux • Tagged with KDE, Fedora

A quite useful extension for my KDE application is **yakuake**. In my default configuration this shows a terminal window by pressing F12 button and hides the windows by pressing it again. This is widely known as the Quake terminal style from the game which had this behaviour included for its …


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Migration in progress

Posted on Tue 29 July 2014 in Blogging

This post is mostly about the blog itself. As you may noticed I am migrated the blog to full HTTPS the last week. This now should allow you to access the site without any certification warnings over HTTPS. All contents should be migrated. There should be a working redirection mechanism …


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Dual boot system with UEFI and Fedora 20 and Windows 8.1

Posted on Mon 26 May 2014 in Fedora • Tagged with dualboot, Fedora, Grub, Linux, UEFI

In short sentences:

Yes it is possible! Even with secure boot enabled!

The long version:

On my workstation I use a dual boot configuration for some games and my Linux based development and testing. Since I am using a UEFI only configuration it was quite easy to use a dualboot …


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