Many software cluster solutions require shared storage between all cluster nodes. A very prominent example for this might be Oracle RAC (Real Application Clusters). In enterprise environments shared cluster storage is often implemented using SAN storage that is connected to multiple systems.

For (private) test …

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I was …

I'm not administrating Solaris systems very often - it is even more rare that I need to mount optical media on Solaris. This is just a short reminder so that I don't need to use a search engine everytime.

First of all the CD / DVD drive is determined by the iostat command. Afterwards the drive is mounted using the …

This week the first official CentOS Dojo in Cologne was taking place. CentOS Dojos are one-day events where administrators and developers can exchange knowledge. Talks about recent topics are always part of these events.

inovex GmbH kindly features the event by providing their rooms and hearty catering. Beside coffee …

Files can be easily transfered from an Android device to Windows computer using MTP (Media Transfer Protocol). Unfortunately this protocol is not supported in Finder which means that you need to connect your smartphone as hard drive - if this function is supported.

My Android 4.4.x ROM isn't supporting this function …

OpenVPN connections can be established under Mac OS X using the free software Tunnelblick - I kept in mind.

Using the most recent OS X version Mavericks this is a problem. The stable version of Tunnelblick is not ready yet for Mavericks which means that it is necessary to use beta version. Unfortunately those were not …