• Red Hat Certified Professional (RHCP) of the Year 2013

    calendar Feb 16, 2013 · 4 min read  ·
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    Since a few years Red Hat is awarding a free ticket (incl. flight and hotel) for their own "Red Hat Summit" exhibition in Boston/Massachusetts in line with the "Red Hat Certified Professional (RHCP) of the Year" promotion. Every administrator who holds a valid certification can apply - valid …
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  • Kerberos single sign-on with SSH v2 under windows

    calendar Jan 31, 2013 · 2 min read  ·
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    Using Kerberos it is possible to "kerberize" services and applications to enhance security. Compared to classical username/password authentification Kerberos uses time-limited tickets which are applied per-user for authentificating against services and applications.

    In combination with SSH the encrypted …


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  • Google Nexus 7

    calendar Jan 28, 2013 · 4 min read · nexus  ·
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    On a recent business trip I was annoyed by the heavy weight of my Thinkpad Tablet - this and the badly customized Android distribution by Lenovo forced me to have a look for alternatives. Some days ago I could play a few minutes with the Nexus 7 of a colleague - I was amazed by the device.

    In short - I decided to order …


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  • Short tip: list of modified RPM packages

    calendar Jan 24, 2013 · 1 min read · rpm kurztipp  ·
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    If you want to have a short overview about which files of installed RPM packages has been altered, you probably don't want to deal with AIDE - a short script should be enough:

     1#!/bin/sh
 2for i in $(rpm -qa|tr "n" " ")
 3do
 4        RESULT="$(rpm -vV $i)"
 5        if [ "$?" != …

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  • Short tip: unpack manpages under HP-UX and RHEL

    calendar Jan 21, 2013 · 1 min read · hp-ux kurztipp  ·
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    Especially on new installed systems it is possible  that the manpage database wasn't initialized, yet. You can identify this if whatis / man -k doesn't "find anything":

    1# man -k man
2man: nothing appropriate

    Under HP-UX the index is created using the following command:

    1# catman -m

    Under RHEL there is a tool …


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  • Stable and fast Sense ROM - Android Revolution HD

    calendar Jan 19, 2013 · 2 min read · htc-sense rom  ·
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    I had almost every Sense ROM (preferring Sense 4) on my HTC Sensation for testing purposes. I wasn't satisfied will all these ROMs by now - there was always something which annoyed me.

    The most ROMs with Sense 4 look nice but have a poor battery life and/or casual stutters while using the home screens. After installing …


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  • Storage management under Fedora made easy: System Storage Manager

    calendar Jan 16, 2013 · 4 min read · fedora lvm  ·
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    One of the innovations of Fedora 18 is the new System Storage Manager as I mentioned yesterday. This tool enables the central administration of storage devices. Are the times of reading manpages finally over for newbies? I had a deeper look at the SSM - and was pleasantly suprised. The System Storage Manager can be …
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  • First glance at Fedora 18

    calendar Jan 15, 2013 · 4 min read · fedora  ·
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    After the original release date and 6 other dates were canceled, Fedora 18 was released today.

    Time to have a look at the anticipated operating system. The latest version of the RedHat supported project introductes some new features which might be also included in the upcoming version of Red Hat Enterprise Linux and …


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  • Short tip: automatic UTF-8 encoding under SciTE

    calendar Jan 11, 2013 · 1 min read · kurztipp  ·
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    SciTE is a minimalistic, extendable editor with syntax highlightning for more than 30 programming languages.

    Of course SciTE also supports UTF-8 - but doesn't use it by default. If a UTF-8 encoded file is opened, umlauts are displayed erroneous. The used encoding can be selected from a menu - anyway, this trick needs a …


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  • Firmware update for Raspberry Pi 512 MB

    calendar Dec 26, 2012 · 2 min read · raspberry-pi  ·
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    It is quite possible that a brand-new Raspberry Pi only comes with 256 MB memory after the first boot:

    1$ dmesg | grep -i "MB total"
2[    0.000000] Memory: 256MB = 256MB total

    A misdelivery does not necessarily have to be the reason for this effect. It is rather important which of the following codes is noted …


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