For this part of my comparison series “Cfengine 3 vs. Puppet” I upgraded my Linux Mint 12 to 13 and switched to Puppet 3.0.2. If you download and try my little code snippets I recommend to use at least Puppet 2.7.14 since this version is able to run the official apt module from Puppetlabs. While […]

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Welcome to the next part of my little blog entry series about comparing Cfengine 3 with Puppet. In this issue, we will write a Puppet manifest for mounting a NFS share. You can compare it directly to the Cfengine 3 code snippet if you click here. Writing the Puppet code snippet for mounting a NFS […]

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Part three of my little blog series “Cfengine 3 vs Puppet” shows several ways of how new packages can be installed with Puppet. Writing the Puppet manifest for installing new packages # There are multiple possibilities here, 3 of them are shown here # Possibility #1 # package { "slapd": ensure => "installed" } # […]

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Welcome to part two of my series of blog entries about comparing Cfengine 3 to Puppet. The goal is to write little task-orientated snippets for both configuration management tools and compare the results each time. The goal is to find out which piece of software is easiest to learn and use. Today we are re-writing […]

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For English speaking readers: This is one of the few German blog posts. Rest ensured that most of the upcoming content will be written in English. Anfang November 2010 schaffte ich mir das damals brandneue HTC Desire Z bei O2 an (ich “bloggte”). Damals sprach vor allem die Hardware-Tastatur für das Gerät, obwohl es mit […]

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As you might already know I am a huge fan of Cfengine (2/3). But I do realize that there are also other configuration management systems, such as Puppet or Chef and they might have their advantages over Cfengine 3. I have published a few Cfengine 3 snippets and am planning to re-write those snippets in […]

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Today the Cfengine team from Oslo released version 3.4.0 of Cfengine (3). If you read my article in the German Linux Magazine issue 11/2012, you’d know that this version is really amazing The community edition of Cfengine 3.4.0 now contains POSIX ACL support for both Windows and Linux platforms. Furthermore the remote syslog support is […]

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Recently, I had to use Ntop to analyze the network traffic of one customer file server. Ntop shows the traffic per interface and there per protocol, source IP and offers many other ways of showing you what happens in your network. Ntop is great; however, I observed this tool taking many system resources since it […]

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At the end of October, I passed the RHCE exam here in Germany. It was a very pleasant experience and I used the book “RHCSA/RHCE Red Hat Linux Certification Study Guide (Exams EX200 & EX300)” from Michael Jang for preparation. On 1072 pages, Jung covers all the objectives of both the RHCSA and RHCE exams. […]

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During the last days, the official Xen blog published two really amazing articles about Xen virtualization in detail. Both of them take a look at paravirtualization, HVM and the difference between 32 and 64 Bit guests. You can find part one of the article series here: The Paravirtualization Spectrum, part 1: The Ends of the […]

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