DELL offers an Linux appliance based on CentOS 5 for customers using VMware products. This appliance is called "DELL OpenManage Integration for VMware vCenter Appliance" and integrates seamless in VMware vCenter Server (or the appliance). It can be used for monitoring physical servers and also allows …

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I was very happy when I heard a couple of weeks ago that the coveted Pebble smartwatch can now also be ordered in Germany after a long time. Until now this was a problem due to duty difficulties. It seems like this difficulties have now been solved - ordering the watch in the Netherlands is now possible. After I've …

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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 …

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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 …

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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 …

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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 …

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There is no standard sensor that can be used with lm_sensors to get the temperature of the Raspberry Pi embedded board - what a pity! Fortunately for this function there is a dedicated command called vcgencmd which is already included in the Raspbian image. To make it work you will need to customize the LD library …

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Recently I was confused when I spotted several spam comments on my blog. After logging into the Wordpress administration page I saw the reason for this issue: 1Akismet has detected a problem. A server or network problem is preventing Akismet from working correctly. Oops - where did that come from? It seems like my …

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While importing the recent EPEL7 YUM repositories I stumbled upon the following error: 1# /usr/bin/spacewalk-repo-sync --channel epel-el7-x86_64 2> --url http://dl.fedoraproject.org/pub/epel/beta/7/x86_64/ 3> --type yum -c epel-el7-x86_64 4Repo URL: http://dl.fedoraproject.org/pub/epel/beta/7/x86_64/ 5ERROR: xz …

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It is possible that RHEL7 channels aren't available to Red Hat Satellite even though you're having a valid Red Hat Enterprise Linux subscription. The appropriate software channel (rhel-x86_64-server-7) is not part of the list of available channels - it also cannot be downloaded manually: 1# satellite-sync …

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